--- /dev/null
+"""Concrete date/time and related types -- prototype implemented in Python.
+
+See http://www.zope.org/Members/fdrake/DateTimeWiki/FrontPage
+
+See also http://dir.yahoo.com/Reference/calendars/
+
+For a primer on DST, including many current DST rules, see
+http://webexhibits.org/daylightsaving/
+
+For more about DST than you ever wanted to know, see
+ftp://elsie.nci.nih.gov/pub/
+
+Sources for time zone and DST data: http://www.twinsun.com/tz/tz-link.htm
+
+This was originally copied from the sandbox of the CPython CVS repository.
+Thanks to Tim Peters for suggesting using it.
+"""
+
+import time as _time
+import math as _math
+
+def _cmp(x, y):
+ return 0 if x == y else 1 if x > y else -1
+
+MINYEAR = 1
+MAXYEAR = 9999
+_MAXORDINAL = 3652059 # date.max.toordinal()
+
+# Utility functions, adapted from Python's Demo/classes/Dates.py, which
+# also assumes the current Gregorian calendar indefinitely extended in
+# both directions. Difference: Dates.py calls January 1 of year 0 day
+# number 1. The code here calls January 1 of year 1 day number 1. This is
+# to match the definition of the "proleptic Gregorian" calendar in Dershowitz
+# and Reingold's "Calendrical Calculations", where it's the base calendar
+# for all computations. See the book for algorithms for converting between
+# proleptic Gregorian ordinals and many other calendar systems.
+
+_DAYS_IN_MONTH = [None, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+_DAYS_BEFORE_MONTH = [None]
+dbm = 0
+for dim in _DAYS_IN_MONTH[1:]:
+ _DAYS_BEFORE_MONTH.append(dbm)
+ dbm += dim
+del dbm, dim
+
+def _is_leap(year):
+ "year -> 1 if leap year, else 0."
+ return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0)
+
+def _days_before_year(year):
+ "year -> number of days before January 1st of year."
+ y = year - 1
+ return y*365 + y//4 - y//100 + y//400
+
+def _days_in_month(year, month):
+ "year, month -> number of days in that month in that year."
+ assert 1 <= month <= 12, month
+ if month == 2 and _is_leap(year):
+ return 29
+ return _DAYS_IN_MONTH[month]
+
+def _days_before_month(year, month):
+ "year, month -> number of days in year preceeding first day of month."
+ assert 1 <= month <= 12, 'month must be in 1..12'
+ return _DAYS_BEFORE_MONTH[month] + (month > 2 and _is_leap(year))
+
+def _ymd2ord(year, month, day):
+ "year, month, day -> ordinal, considering 01-Jan-0001 as day 1."
+ assert 1 <= month <= 12, 'month must be in 1..12'
+ dim = _days_in_month(year, month)
+ assert 1 <= day <= dim, ('day must be in 1..%d' % dim)
+ return (_days_before_year(year) +
+ _days_before_month(year, month) +
+ day)
+
+_DI400Y = _days_before_year(401) # number of days in 400 years
+_DI100Y = _days_before_year(101) # " " " " 100 "
+_DI4Y = _days_before_year(5) # " " " " 4 "
+
+# A 4-year cycle has an extra leap day over what we'd get from pasting
+# together 4 single years.
+assert _DI4Y == 4 * 365 + 1
+
+# Similarly, a 400-year cycle has an extra leap day over what we'd get from
+# pasting together 4 100-year cycles.
+assert _DI400Y == 4 * _DI100Y + 1
+
+# OTOH, a 100-year cycle has one fewer leap day than we'd get from
+# pasting together 25 4-year cycles.
+assert _DI100Y == 25 * _DI4Y - 1
+
+def _ord2ymd(n):
+ "ordinal -> (year, month, day), considering 01-Jan-0001 as day 1."
+
+ # n is a 1-based index, starting at 1-Jan-1. The pattern of leap years
+ # repeats exactly every 400 years. The basic strategy is to find the
+ # closest 400-year boundary at or before n, then work with the offset
+ # from that boundary to n. Life is much clearer if we subtract 1 from
+ # n first -- then the values of n at 400-year boundaries are exactly
+ # those divisible by _DI400Y:
+ #
+ # D M Y n n-1
+ # -- --- ---- ---------- ----------------
+ # 31 Dec -400 -_DI400Y -_DI400Y -1
+ # 1 Jan -399 -_DI400Y +1 -_DI400Y 400-year boundary
+ # ...
+ # 30 Dec 000 -1 -2
+ # 31 Dec 000 0 -1
+ # 1 Jan 001 1 0 400-year boundary
+ # 2 Jan 001 2 1
+ # 3 Jan 001 3 2
+ # ...
+ # 31 Dec 400 _DI400Y _DI400Y -1
+ # 1 Jan 401 _DI400Y +1 _DI400Y 400-year boundary
+ n -= 1
+ n400, n = divmod(n, _DI400Y)
+ year = n400 * 400 + 1 # ..., -399, 1, 401, ...
+
+ # Now n is the (non-negative) offset, in days, from January 1 of year, to
+ # the desired date. Now compute how many 100-year cycles precede n.
+ # Note that it's possible for n100 to equal 4! In that case 4 full
+ # 100-year cycles precede the desired day, which implies the desired
+ # day is December 31 at the end of a 400-year cycle.
+ n100, n = divmod(n, _DI100Y)
+
+ # Now compute how many 4-year cycles precede it.
+ n4, n = divmod(n, _DI4Y)
+
+ # And now how many single years. Again n1 can be 4, and again meaning
+ # that the desired day is December 31 at the end of the 4-year cycle.
+ n1, n = divmod(n, 365)
+
+ year += n100 * 100 + n4 * 4 + n1
+ if n1 == 4 or n100 == 4:
+ assert n == 0
+ return year-1, 12, 31
+
+ # Now the year is correct, and n is the offset from January 1. We find
+ # the month via an estimate that's either exact or one too large.
+ leapyear = n1 == 3 and (n4 != 24 or n100 == 3)
+ assert leapyear == _is_leap(year)
+ month = (n + 50) >> 5
+ preceding = _DAYS_BEFORE_MONTH[month] + (month > 2 and leapyear)
+ if preceding > n: # estimate is too large
+ month -= 1
+ preceding -= _DAYS_IN_MONTH[month] + (month == 2 and leapyear)
+ n -= preceding
+ assert 0 <= n < _days_in_month(year, month)
+
+ # Now the year and month are correct, and n is the offset from the
+ # start of that month: we're done!
+ return year, month, n+1
+
+# Month and day names. For localized versions, see the calendar module.
+_MONTHNAMES = [None, "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
+_DAYNAMES = [None, "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
+
+
+def _build_struct_time(y, m, d, hh, mm, ss, dstflag):
+ wday = (_ymd2ord(y, m, d) + 6) % 7
+ dnum = _days_before_month(y, m) + d
+ return _time.struct_time((y, m, d, hh, mm, ss, wday, dnum, dstflag))
+
+def _format_time(hh, mm, ss, us):
+ # Skip trailing microseconds when us==0.
+ result = "%02d:%02d:%02d" % (hh, mm, ss)
+ if us:
+ result += ".%06d" % us
+ return result
+
+# Correctly substitute for %z and %Z escapes in strftime formats.
+def _wrap_strftime(object, format, timetuple):
+ year = timetuple[0]
+ if year < 1900:
+ raise ValueError("year=%d is before 1900; the datetime strftime() "
+ "methods require year >= 1900" % year)
+ # Don't call utcoffset() or tzname() unless actually needed.
+ freplace = None # the string to use for %f
+ zreplace = None # the string to use for %z
+ Zreplace = None # the string to use for %Z
+
+ # Scan format for %z and %Z escapes, replacing as needed.
+ newformat = []
+ push = newformat.append
+ i, n = 0, len(format)
+ while i < n:
+ ch = format[i]
+ i += 1
+ if ch == '%':
+ if i < n:
+ ch = format[i]
+ i += 1
+ if ch == 'f':
+ if freplace is None:
+ freplace = '%06d' % getattr(object,
+ 'microsecond', 0)
+ newformat.append(freplace)
+ elif ch == 'z':
+ if zreplace is None:
+ zreplace = ""
+ if hasattr(object, "utcoffset"):
+ offset = object.utcoffset()
+ if offset is not None:
+ sign = '+'
+ if offset.days < 0:
+ offset = -offset
+ sign = '-'
+ h, m = divmod(offset, timedelta(hours=1))
+ assert not m % timedelta(minutes=1), "whole minute"
+ m //= timedelta(minutes=1)
+ zreplace = '%c%02d%02d' % (sign, h, m)
+ assert '%' not in zreplace
+ newformat.append(zreplace)
+ elif ch == 'Z':
+ if Zreplace is None:
+ Zreplace = ""
+ if hasattr(object, "tzname"):
+ s = object.tzname()
+ if s is not None:
+ # strftime is going to have at this: escape %
+ Zreplace = s.replace('%', '%%')
+ newformat.append(Zreplace)
+ else:
+ push('%')
+ push(ch)
+ else:
+ push('%')
+ else:
+ push(ch)
+ newformat = "".join(newformat)
+ return _time.strftime(newformat, timetuple)
+
+def _call_tzinfo_method(tzinfo, methname, tzinfoarg):
+ if tzinfo is None:
+ return None
+ return getattr(tzinfo, methname)(tzinfoarg)
+
+# Just raise TypeError if the arg isn't None or a string.
+def _check_tzname(name):
+ if name is not None and not isinstance(name, str):
+ raise TypeError("tzinfo.tzname() must return None or string, "
+ "not '%s'" % type(name))
+
+# name is the offset-producing method, "utcoffset" or "dst".
+# offset is what it returned.
+# If offset isn't None or timedelta, raises TypeError.
+# If offset is None, returns None.
+# Else offset is checked for being in range, and a whole # of minutes.
+# If it is, its integer value is returned. Else ValueError is raised.
+def _check_utc_offset(name, offset):
+ assert name in ("utcoffset", "dst")
+ if offset is None:
+ return
+ if not isinstance(offset, timedelta):
+ raise TypeError("tzinfo.%s() must return None "
+ "or timedelta, not '%s'" % (name, type(offset)))
+ if offset % timedelta(minutes=1) or offset.microseconds:
+ raise ValueError("tzinfo.%s() must return a whole number "
+ "of minutes, got %s" % (name, offset))
+ if not -timedelta(1) < offset < timedelta(1):
+ raise ValueError("%s()=%s, must be must be strictly between"
+ " -timedelta(hours=24) and timedelta(hours=24)"
+ % (name, offset))
+
+def _check_date_fields(year, month, day):
+ if not isinstance(year, int):
+ raise TypeError('int expected')
+ if not MINYEAR <= year <= MAXYEAR:
+ raise ValueError('year must be in %d..%d' % (MINYEAR, MAXYEAR), year)
+ if not 1 <= month <= 12:
+ raise ValueError('month must be in 1..12', month)
+ dim = _days_in_month(year, month)
+ if not 1 <= day <= dim:
+ raise ValueError('day must be in 1..%d' % dim, day)
+
+def _check_time_fields(hour, minute, second, microsecond):
+ if not isinstance(hour, int):
+ raise TypeError('int expected')
+ if not 0 <= hour <= 23:
+ raise ValueError('hour must be in 0..23', hour)
+ if not 0 <= minute <= 59:
+ raise ValueError('minute must be in 0..59', minute)
+ if not 0 <= second <= 59:
+ raise ValueError('second must be in 0..59', second)
+ if not 0 <= microsecond <= 999999:
+ raise ValueError('microsecond must be in 0..999999', microsecond)
+
+def _check_tzinfo_arg(tz):
+ if tz is not None and not isinstance(tz, tzinfo):
+ raise TypeError("tzinfo argument must be None or of a tzinfo subclass")
+
+def _cmperror(x, y):
+ raise TypeError("can't compare '%s' to '%s'" % (
+ type(x).__name__, type(y).__name__))
+
+class timedelta:
+ """Represent the difference between two datetime objects.
+
+ Supported operators:
+
+ - add, subtract timedelta
+ - unary plus, minus, abs
+ - compare to timedelta
+ - multiply, divide by int/long
+
+ In addition, datetime supports subtraction of two datetime objects
+ returning a timedelta, and addition or subtraction of a datetime
+ and a timedelta giving a datetime.
+
+ Representation: (days, seconds, microseconds). Why? Because I
+ felt like it.
+ """
+ __slots__ = '_days', '_seconds', '_microseconds'
+
+ def __new__(cls, days=0, seconds=0, microseconds=0,
+ milliseconds=0, minutes=0, hours=0, weeks=0):
+ # Doing this efficiently and accurately in C is going to be difficult
+ # and error-prone, due to ubiquitous overflow possibilities, and that
+ # C double doesn't have enough bits of precision to represent
+ # microseconds over 10K years faithfully. The code here tries to make
+ # explicit where go-fast assumptions can be relied on, in order to
+ # guide the C implementation; it's way more convoluted than speed-
+ # ignoring auto-overflow-to-long idiomatic Python could be.
+
+ # XXX Check that all inputs are ints or floats.
+
+ # Final values, all integer.
+ # s and us fit in 32-bit signed ints; d isn't bounded.
+ d = s = us = 0
+
+ # Normalize everything to days, seconds, microseconds.
+ days += weeks*7
+ seconds += minutes*60 + hours*3600
+ microseconds += milliseconds*1000
+
+ # Get rid of all fractions, and normalize s and us.
+ # Take a deep breath <wink>.
+ if isinstance(days, float):
+ dayfrac, days = _math.modf(days)
+ daysecondsfrac, daysecondswhole = _math.modf(dayfrac * (24.*3600.))
+ assert daysecondswhole == int(daysecondswhole) # can't overflow
+ s = int(daysecondswhole)
+ assert days == int(days)
+ d = int(days)
+ else:
+ daysecondsfrac = 0.0
+ d = days
+ assert isinstance(daysecondsfrac, float)
+ assert abs(daysecondsfrac) <= 1.0
+ assert isinstance(d, int)
+ assert abs(s) <= 24 * 3600
+ # days isn't referenced again before redefinition
+
+ if isinstance(seconds, float):
+ secondsfrac, seconds = _math.modf(seconds)
+ assert seconds == int(seconds)
+ seconds = int(seconds)
+ secondsfrac += daysecondsfrac
+ assert abs(secondsfrac) <= 2.0
+ else:
+ secondsfrac = daysecondsfrac
+ # daysecondsfrac isn't referenced again
+ assert isinstance(secondsfrac, float)
+ assert abs(secondsfrac) <= 2.0
+
+ assert isinstance(seconds, int)
+ days, seconds = divmod(seconds, 24*3600)
+ d += days
+ s += int(seconds) # can't overflow
+ assert isinstance(s, int)
+ assert abs(s) <= 2 * 24 * 3600
+ # seconds isn't referenced again before redefinition
+
+ usdouble = secondsfrac * 1e6
+ assert abs(usdouble) < 2.1e6 # exact value not critical
+ # secondsfrac isn't referenced again
+
+ if isinstance(microseconds, float):
+ microseconds += usdouble
+ microseconds = round(microseconds, 0)
+ seconds, microseconds = divmod(microseconds, 1e6)
+ assert microseconds == int(microseconds)
+ assert seconds == int(seconds)
+ days, seconds = divmod(seconds, 24.*3600.)
+ assert days == int(days)
+ assert seconds == int(seconds)
+ d += int(days)
+ s += int(seconds) # can't overflow
+ assert isinstance(s, int)
+ assert abs(s) <= 3 * 24 * 3600
+ else:
+ seconds, microseconds = divmod(microseconds, 1000000)
+ days, seconds = divmod(seconds, 24*3600)
+ d += days
+ s += int(seconds) # can't overflow
+ assert isinstance(s, int)
+ assert abs(s) <= 3 * 24 * 3600
+ microseconds = float(microseconds)
+ microseconds += usdouble
+ microseconds = round(microseconds, 0)
+ assert abs(s) <= 3 * 24 * 3600
+ assert abs(microseconds) < 3.1e6
+
+ # Just a little bit of carrying possible for microseconds and seconds.
+ assert isinstance(microseconds, float)
+ assert int(microseconds) == microseconds
+ us = int(microseconds)
+ seconds, us = divmod(us, 1000000)
+ s += seconds # cant't overflow
+ assert isinstance(s, int)
+ days, s = divmod(s, 24*3600)
+ d += days
+
+ assert isinstance(d, int)
+ assert isinstance(s, int) and 0 <= s < 24*3600
+ assert isinstance(us, int) and 0 <= us < 1000000
+
+ self = object.__new__(cls)
+
+ self._days = d
+ self._seconds = s
+ self._microseconds = us
+ if abs(d) > 999999999:
+ raise OverflowError("timedelta # of days is too large: %d" % d)
+
+ return self
+
+ def __repr__(self):
+ if self._microseconds:
+ return "%s(%d, %d, %d)" % ('datetime.' + self.__class__.__name__,
+ self._days,
+ self._seconds,
+ self._microseconds)
+ if self._seconds:
+ return "%s(%d, %d)" % ('datetime.' + self.__class__.__name__,
+ self._days,
+ self._seconds)
+ return "%s(%d)" % ('datetime.' + self.__class__.__name__, self._days)
+
+ def __str__(self):
+ mm, ss = divmod(self._seconds, 60)
+ hh, mm = divmod(mm, 60)
+ s = "%d:%02d:%02d" % (hh, mm, ss)
+ if self._days:
+ def plural(n):
+ return n, abs(n) != 1 and "s" or ""
+ s = ("%d day%s, " % plural(self._days)) + s
+ if self._microseconds:
+ s = s + ".%06d" % self._microseconds
+ return s
+
+ def total_seconds(self):
+ """Total seconds in the duration."""
+ return ((self.days * 86400 + self.seconds)*10**6 +
+ self.microseconds) / 10**6
+
+ # Read-only field accessors
+ @property
+ def days(self):
+ """days"""
+ return self._days
+
+ @property
+ def seconds(self):
+ """seconds"""
+ return self._seconds
+
+ @property
+ def microseconds(self):
+ """microseconds"""
+ return self._microseconds
+
+ def __add__(self, other):
+ if isinstance(other, timedelta):
+ # for CPython compatibility, we cannot use
+ # our __class__ here, but need a real timedelta
+ return timedelta(self._days + other._days,
+ self._seconds + other._seconds,
+ self._microseconds + other._microseconds)
+ return NotImplemented
+
+ __radd__ = __add__
+
+ def __sub__(self, other):
+ if isinstance(other, timedelta):
+ return self + -other
+ return NotImplemented
+
+ def __rsub__(self, other):
+ if isinstance(other, timedelta):
+ return -self + other
+ return NotImplemented
+
+ def __neg__(self):
+ # for CPython compatibility, we cannot use
+ # our __class__ here, but need a real timedelta
+ return timedelta(-self._days,
+ -self._seconds,
+ -self._microseconds)
+
+ def __pos__(self):
+ return self
+
+ def __abs__(self):
+ if self._days < 0:
+ return -self
+ else:
+ return self
+
+ def __mul__(self, other):
+ if isinstance(other, int):
+ # for CPython compatibility, we cannot use
+ # our __class__ here, but need a real timedelta
+ return timedelta(self._days * other,
+ self._seconds * other,
+ self._microseconds * other)
+ if isinstance(other, float):
+ a, b = other.as_integer_ratio()
+ return self * a / b
+ return NotImplemented
+
+ __rmul__ = __mul__
+
+ def _to_microseconds(self):
+ return ((self._days * (24*3600) + self._seconds) * 1000000 +
+ self._microseconds)
+
+ def __floordiv__(self, other):
+ if not isinstance(other, (int, timedelta)):
+ return NotImplemented
+ usec = self._to_microseconds()
+ if isinstance(other, timedelta):
+ return usec // other._to_microseconds()
+ if isinstance(other, int):
+ return timedelta(0, 0, usec // other)
+
+ def __truediv__(self, other):
+ if not isinstance(other, (int, float, timedelta)):
+ return NotImplemented
+ usec = self._to_microseconds()
+ if isinstance(other, timedelta):
+ return usec / other._to_microseconds()
+ if isinstance(other, int):
+ return timedelta(0, 0, usec / other)
+ if isinstance(other, float):
+ a, b = other.as_integer_ratio()
+ return timedelta(0, 0, b * usec / a)
+
+ def __mod__(self, other):
+ if isinstance(other, timedelta):
+ r = self._to_microseconds() % other._to_microseconds()
+ return timedelta(0, 0, r)
+ return NotImplemented
+
+ def __divmod__(self, other):
+ if isinstance(other, timedelta):
+ q, r = divmod(self._to_microseconds(),
+ other._to_microseconds())
+ return q, timedelta(0, 0, r)
+ return NotImplemented
+
+ # Comparisons of timedelta objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) == 0
+ else:
+ return False
+
+ def __ne__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) != 0
+ else:
+ return True
+
+ def __le__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) <= 0
+ else:
+ _cmperror(self, other)
+
+ def __lt__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) < 0
+ else:
+ _cmperror(self, other)
+
+ def __ge__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) >= 0
+ else:
+ _cmperror(self, other)
+
+ def __gt__(self, other):
+ if isinstance(other, timedelta):
+ return self._cmp(other) > 0
+ else:
+ _cmperror(self, other)
+
+ def _cmp(self, other):
+ assert isinstance(other, timedelta)
+ return _cmp(self._getstate(), other._getstate())
+
+ def __hash__(self):
+ return hash(self._getstate())
+
+ def __bool__(self):
+ return (self._days != 0 or
+ self._seconds != 0 or
+ self._microseconds != 0)
+
+ # Pickle support.
+
+ def _getstate(self):
+ return (self._days, self._seconds, self._microseconds)
+
+ def __reduce__(self):
+ return (self.__class__, self._getstate())
+
+timedelta.min = timedelta(-999999999)
+timedelta.max = timedelta(days=999999999, hours=23, minutes=59, seconds=59,
+ microseconds=999999)
+timedelta.resolution = timedelta(microseconds=1)
+
+class date:
+ """Concrete date type.
+
+ Constructors:
+
+ __new__()
+ fromtimestamp()
+ today()
+ fromordinal()
+
+ Operators:
+
+ __repr__, __str__
+ __cmp__, __hash__
+ __add__, __radd__, __sub__ (add/radd only with timedelta arg)
+
+ Methods:
+
+ timetuple()
+ toordinal()
+ weekday()
+ isoweekday(), isocalendar(), isoformat()
+ ctime()
+ strftime()
+
+ Properties (readonly):
+ year, month, day
+ """
+ __slots__ = '_year', '_month', '_day'
+
+ def __new__(cls, year, month=None, day=None):
+ """Constructor.
+
+ Arguments:
+
+ year, month, day (required, base 1)
+ """
+ if (isinstance(year, bytes) and len(year) == 4 and
+ 1 <= year[2] <= 12 and month is None): # Month is sane
+ # Pickle support
+ self = object.__new__(cls)
+ self.__setstate(year)
+ return self
+ _check_date_fields(year, month, day)
+ self = object.__new__(cls)
+ self._year = year
+ self._month = month
+ self._day = day
+ return self
+
+ # Additional constructors
+
+ @classmethod
+ def fromtimestamp(cls, t):
+ "Construct a date from a POSIX timestamp (like time.time())."
+ y, m, d, hh, mm, ss, weekday, jday, dst = _time.localtime(t)
+ return cls(y, m, d)
+
+ @classmethod
+ def today(cls):
+ "Construct a date from time.time()."
+ t = _time.time()
+ return cls.fromtimestamp(t)
+
+ @classmethod
+ def fromordinal(cls, n):
+ """Contruct a date from a proleptic Gregorian ordinal.
+
+ January 1 of year 1 is day 1. Only the year, month and day are
+ non-zero in the result.
+ """
+ y, m, d = _ord2ymd(n)
+ return cls(y, m, d)
+
+ # Conversions to string
+
+ def __repr__(self):
+ """Convert to formal string, for repr().
+
+ >>> dt = datetime(2010, 1, 1)
+ >>> repr(dt)
+ 'datetime.datetime(2010, 1, 1, 0, 0)'
+
+ >>> dt = datetime(2010, 1, 1, tzinfo=timezone.utc)
+ >>> repr(dt)
+ 'datetime.datetime(2010, 1, 1, 0, 0, tzinfo=datetime.timezone.utc)'
+ """
+ return "%s(%d, %d, %d)" % ('datetime.' + self.__class__.__name__,
+ self._year,
+ self._month,
+ self._day)
+ # XXX These shouldn't depend on time.localtime(), because that
+ # clips the usable dates to [1970 .. 2038). At least ctime() is
+ # easily done without using strftime() -- that's better too because
+ # strftime("%c", ...) is locale specific.
+
+
+ def ctime(self):
+ "Return ctime() style string."
+ weekday = self.toordinal() % 7 or 7
+ return "%s %s %2d 00:00:00 %04d" % (
+ _DAYNAMES[weekday],
+ _MONTHNAMES[self._month],
+ self._day, self._year)
+
+ def strftime(self, fmt):
+ "Format using strftime()."
+ return _wrap_strftime(self, fmt, self.timetuple())
+
+ def __format__(self, fmt):
+ if len(fmt) != 0:
+ return self.strftime(fmt)
+ return str(self)
+
+ def isoformat(self):
+ """Return the date formatted according to ISO.
+
+ This is 'YYYY-MM-DD'.
+
+ References:
+ - http://www.w3.org/TR/NOTE-datetime
+ - http://www.cl.cam.ac.uk/~mgk25/iso-time.html
+ """
+ return "%04d-%02d-%02d" % (self._year, self._month, self._day)
+
+ __str__ = isoformat
+
+ # Read-only field accessors
+ @property
+ def year(self):
+ """year (1-9999)"""
+ return self._year
+
+ @property
+ def month(self):
+ """month (1-12)"""
+ return self._month
+
+ @property
+ def day(self):
+ """day (1-31)"""
+ return self._day
+
+ # Standard conversions, __cmp__, __hash__ (and helpers)
+
+ def timetuple(self):
+ "Return local time tuple compatible with time.localtime()."
+ return _build_struct_time(self._year, self._month, self._day,
+ 0, 0, 0, -1)
+
+ def toordinal(self):
+ """Return proleptic Gregorian ordinal for the year, month and day.
+
+ January 1 of year 1 is day 1. Only the year, month and day values
+ contribute to the result.
+ """
+ return _ymd2ord(self._year, self._month, self._day)
+
+ def replace(self, year=None, month=None, day=None):
+ """Return a new date with new values for the specified fields."""
+ if year is None:
+ year = self._year
+ if month is None:
+ month = self._month
+ if day is None:
+ day = self._day
+ _check_date_fields(year, month, day)
+ return date(year, month, day)
+
+ # Comparisons of date objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) == 0
+ return NotImplemented
+
+ def __ne__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) != 0
+ return NotImplemented
+
+ def __le__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) <= 0
+ return NotImplemented
+
+ def __lt__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) < 0
+ return NotImplemented
+
+ def __ge__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) >= 0
+ return NotImplemented
+
+ def __gt__(self, other):
+ if isinstance(other, date):
+ return self._cmp(other) > 0
+ return NotImplemented
+
+ def _cmp(self, other):
+ assert isinstance(other, date)
+ y, m, d = self._year, self._month, self._day
+ y2, m2, d2 = other._year, other._month, other._day
+ return _cmp((y, m, d), (y2, m2, d2))
+
+ def __hash__(self):
+ "Hash."
+ return hash(self._getstate())
+
+ # Computations
+
+ def __add__(self, other):
+ "Add a date to a timedelta."
+ if isinstance(other, timedelta):
+ o = self.toordinal() + other.days
+ if 0 < o <= _MAXORDINAL:
+ return date.fromordinal(o)
+ raise OverflowError("result out of range")
+ return NotImplemented
+
+ __radd__ = __add__
+
+ def __sub__(self, other):
+ """Subtract two dates, or a date and a timedelta."""
+ if isinstance(other, timedelta):
+ return self + timedelta(-other.days)
+ if isinstance(other, date):
+ days1 = self.toordinal()
+ days2 = other.toordinal()
+ return timedelta(days1 - days2)
+ return NotImplemented
+
+ def weekday(self):
+ "Return day of the week, where Monday == 0 ... Sunday == 6."
+ return (self.toordinal() + 6) % 7
+
+ # Day-of-the-week and week-of-the-year, according to ISO
+
+ def isoweekday(self):
+ "Return day of the week, where Monday == 1 ... Sunday == 7."
+ # 1-Jan-0001 is a Monday
+ return self.toordinal() % 7 or 7
+
+ def isocalendar(self):
+ """Return a 3-tuple containing ISO year, week number, and weekday.
+
+ The first ISO week of the year is the (Mon-Sun) week
+ containing the year's first Thursday; everything else derives
+ from that.
+
+ The first week is 1; Monday is 1 ... Sunday is 7.
+
+ ISO calendar algorithm taken from
+ http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
+ """
+ year = self._year
+ week1monday = _isoweek1monday(year)
+ today = _ymd2ord(self._year, self._month, self._day)
+ # Internally, week and day have origin 0
+ week, day = divmod(today - week1monday, 7)
+ if week < 0:
+ year -= 1
+ week1monday = _isoweek1monday(year)
+ week, day = divmod(today - week1monday, 7)
+ elif week >= 52:
+ if today >= _isoweek1monday(year+1):
+ year += 1
+ week = 0
+ return year, week+1, day+1
+
+ # Pickle support.
+
+ def _getstate(self):
+ yhi, ylo = divmod(self._year, 256)
+ return bytes([yhi, ylo, self._month, self._day]),
+
+ def __setstate(self, string):
+ if len(string) != 4 or not (1 <= string[2] <= 12):
+ raise TypeError("not enough arguments")
+ yhi, ylo, self._month, self._day = string
+ self._year = yhi * 256 + ylo
+
+ def __reduce__(self):
+ return (self.__class__, self._getstate())
+
+_date_class = date # so functions w/ args named "date" can get at the class
+
+date.min = date(1, 1, 1)
+date.max = date(9999, 12, 31)
+date.resolution = timedelta(days=1)
+
+class tzinfo:
+ """Abstract base class for time zone info classes.
+
+ Subclasses must override the name(), utcoffset() and dst() methods.
+ """
+ __slots__ = ()
+ def tzname(self, dt):
+ "datetime -> string name of time zone."
+ raise NotImplementedError("tzinfo subclass must override tzname()")
+
+ def utcoffset(self, dt):
+ "datetime -> minutes east of UTC (negative for west of UTC)"
+ raise NotImplementedError("tzinfo subclass must override utcoffset()")
+
+ def dst(self, dt):
+ """datetime -> DST offset in minutes east of UTC.
+
+ Return 0 if DST not in effect. utcoffset() must include the DST
+ offset.
+ """
+ raise NotImplementedError("tzinfo subclass must override dst()")
+
+ def fromutc(self, dt):
+ "datetime in UTC -> datetime in local time."
+
+ if not isinstance(dt, datetime):
+ raise TypeError("fromutc() requires a datetime argument")
+ if dt.tzinfo is not self:
+ raise ValueError("dt.tzinfo is not self")
+
+ dtoff = dt.utcoffset()
+ if dtoff is None:
+ raise ValueError("fromutc() requires a non-None utcoffset() "
+ "result")
+
+ # See the long comment block at the end of this file for an
+ # explanation of this algorithm.
+ dtdst = dt.dst()
+ if dtdst is None:
+ raise ValueError("fromutc() requires a non-None dst() result")
+ delta = dtoff - dtdst
+ if delta:
+ dt += delta
+ dtdst = dt.dst()
+ if dtdst is None:
+ raise ValueError("fromutc(): dt.dst gave inconsistent "
+ "results; cannot convert")
+ return dt + dtdst
+
+ # Pickle support.
+
+ def __reduce__(self):
+ getinitargs = getattr(self, "__getinitargs__", None)
+ if getinitargs:
+ args = getinitargs()
+ else:
+ args = ()
+ getstate = getattr(self, "__getstate__", None)
+ if getstate:
+ state = getstate()
+ else:
+ state = getattr(self, "__dict__", None) or None
+ if state is None:
+ return (self.__class__, args)
+ else:
+ return (self.__class__, args, state)
+
+_tzinfo_class = tzinfo
+
+class time:
+ """Time with time zone.
+
+ Constructors:
+
+ __new__()
+
+ Operators:
+
+ __repr__, __str__
+ __cmp__, __hash__
+
+ Methods:
+
+ strftime()
+ isoformat()
+ utcoffset()
+ tzname()
+ dst()
+
+ Properties (readonly):
+ hour, minute, second, microsecond, tzinfo
+ """
+
+ def __new__(cls, hour=0, minute=0, second=0, microsecond=0, tzinfo=None):
+ """Constructor.
+
+ Arguments:
+
+ hour, minute (required)
+ second, microsecond (default to zero)
+ tzinfo (default to None)
+ """
+ self = object.__new__(cls)
+ if isinstance(hour, bytes) and len(hour) == 6:
+ # Pickle support
+ self.__setstate(hour, minute or None)
+ return self
+ _check_tzinfo_arg(tzinfo)
+ _check_time_fields(hour, minute, second, microsecond)
+ self._hour = hour
+ self._minute = minute
+ self._second = second
+ self._microsecond = microsecond
+ self._tzinfo = tzinfo
+ return self
+
+ # Read-only field accessors
+ @property
+ def hour(self):
+ """hour (0-23)"""
+ return self._hour
+
+ @property
+ def minute(self):
+ """minute (0-59)"""
+ return self._minute
+
+ @property
+ def second(self):
+ """second (0-59)"""
+ return self._second
+
+ @property
+ def microsecond(self):
+ """microsecond (0-999999)"""
+ return self._microsecond
+
+ @property
+ def tzinfo(self):
+ """timezone info object"""
+ return self._tzinfo
+
+ # Standard conversions, __hash__ (and helpers)
+
+ # Comparisons of time objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) == 0
+ else:
+ return False
+
+ def __ne__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) != 0
+ else:
+ return True
+
+ def __le__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) <= 0
+ else:
+ _cmperror(self, other)
+
+ def __lt__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) < 0
+ else:
+ _cmperror(self, other)
+
+ def __ge__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) >= 0
+ else:
+ _cmperror(self, other)
+
+ def __gt__(self, other):
+ if isinstance(other, time):
+ return self._cmp(other) > 0
+ else:
+ _cmperror(self, other)
+
+ def _cmp(self, other):
+ assert isinstance(other, time)
+ mytz = self._tzinfo
+ ottz = other._tzinfo
+ myoff = otoff = None
+
+ if mytz is ottz:
+ base_compare = True
+ else:
+ myoff = self.utcoffset()
+ otoff = other.utcoffset()
+ base_compare = myoff == otoff
+
+ if base_compare:
+ return _cmp((self._hour, self._minute, self._second,
+ self._microsecond),
+ (other._hour, other._minute, other._second,
+ other._microsecond))
+ if myoff is None or otoff is None:
+ raise TypeError("cannot compare naive and aware times")
+ myhhmm = self._hour * 60 + self._minute - myoff//timedelta(minutes=1)
+ othhmm = other._hour * 60 + other._minute - otoff//timedelta(minutes=1)
+ return _cmp((myhhmm, self._second, self._microsecond),
+ (othhmm, other._second, other._microsecond))
+
+ def __hash__(self):
+ """Hash."""
+ tzoff = self.utcoffset()
+ if not tzoff: # zero or None
+ return hash(self._getstate()[0])
+ h, m = divmod(timedelta(hours=self.hour, minutes=self.minute) - tzoff,
+ timedelta(hours=1))
+ assert not m % timedelta(minutes=1), "whole minute"
+ m //= timedelta(minutes=1)
+ if 0 <= h < 24:
+ return hash(time(h, m, self.second, self.microsecond))
+ return hash((h, m, self.second, self.microsecond))
+
+ # Conversion to string
+
+ def _tzstr(self, sep=":"):
+ """Return formatted timezone offset (+xx:xx) or None."""
+ off = self.utcoffset()
+ if off is not None:
+ if off.days < 0:
+ sign = "-"
+ off = -off
+ else:
+ sign = "+"
+ hh, mm = divmod(off, timedelta(hours=1))
+ assert not mm % timedelta(minutes=1), "whole minute"
+ mm //= timedelta(minutes=1)
+ assert 0 <= hh < 24
+ off = "%s%02d%s%02d" % (sign, hh, sep, mm)
+ return off
+
+ def __repr__(self):
+ """Convert to formal string, for repr()."""
+ if self._microsecond != 0:
+ s = ", %d, %d" % (self._second, self._microsecond)
+ elif self._second != 0:
+ s = ", %d" % self._second
+ else:
+ s = ""
+ s= "%s(%d, %d%s)" % ('datetime.' + self.__class__.__name__,
+ self._hour, self._minute, s)
+ if self._tzinfo is not None:
+ assert s[-1:] == ")"
+ s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
+ return s
+
+ def isoformat(self):
+ """Return the time formatted according to ISO.
+
+ This is 'HH:MM:SS.mmmmmm+zz:zz', or 'HH:MM:SS+zz:zz' if
+ self.microsecond == 0.
+ """
+ s = _format_time(self._hour, self._minute, self._second,
+ self._microsecond)
+ tz = self._tzstr()
+ if tz:
+ s += tz
+ return s
+
+ __str__ = isoformat
+
+ def strftime(self, fmt):
+ """Format using strftime(). The date part of the timestamp passed
+ to underlying strftime should not be used.
+ """
+ # The year must be >= 1900 else Python's strftime implementation
+ # can raise a bogus exception.
+ timetuple = (1900, 1, 1,
+ self._hour, self._minute, self._second,
+ 0, 1, -1)
+ return _wrap_strftime(self, fmt, timetuple)
+
+ def __format__(self, fmt):
+ if len(fmt) != 0:
+ return self.strftime(fmt)
+ return str(self)
+
+ # Timezone functions
+
+ def utcoffset(self):
+ """Return the timezone offset in minutes east of UTC (negative west of
+ UTC)."""
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.utcoffset(None)
+ _check_utc_offset("utcoffset", offset)
+ return offset
+
+ def tzname(self):
+ """Return the timezone name.
+
+ Note that the name is 100% informational -- there's no requirement that
+ it mean anything in particular. For example, "GMT", "UTC", "-500",
+ "-5:00", "EDT", "US/Eastern", "America/New York" are all valid replies.
+ """
+ if self._tzinfo is None:
+ return None
+ name = self._tzinfo.tzname(None)
+ _check_tzname(name)
+ return name
+
+ def dst(self):
+ """Return 0 if DST is not in effect, or the DST offset (in minutes
+ eastward) if DST is in effect.
+
+ This is purely informational; the DST offset has already been added to
+ the UTC offset returned by utcoffset() if applicable, so there's no
+ need to consult dst() unless you're interested in displaying the DST
+ info.
+ """
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.dst(None)
+ _check_utc_offset("dst", offset)
+ return offset
+
+ def replace(self, hour=None, minute=None, second=None, microsecond=None,
+ tzinfo=True):
+ """Return a new time with new values for the specified fields."""
+ if hour is None:
+ hour = self.hour
+ if minute is None:
+ minute = self.minute
+ if second is None:
+ second = self.second
+ if microsecond is None:
+ microsecond = self.microsecond
+ if tzinfo is True:
+ tzinfo = self.tzinfo
+ _check_time_fields(hour, minute, second, microsecond)
+ _check_tzinfo_arg(tzinfo)
+ return time(hour, minute, second, microsecond, tzinfo)
+
+ def __bool__(self):
+ if self.second or self.microsecond:
+ return True
+ offset = self.utcoffset() or timedelta(0)
+ return timedelta(hours=self.hour, minutes=self.minute) != offset
+
+ # Pickle support.
+
+ def _getstate(self):
+ us2, us3 = divmod(self._microsecond, 256)
+ us1, us2 = divmod(us2, 256)
+ basestate = bytes([self._hour, self._minute, self._second,
+ us1, us2, us3])
+ if self._tzinfo is None:
+ return (basestate,)
+ else:
+ return (basestate, self._tzinfo)
+
+ def __setstate(self, string, tzinfo):
+ if len(string) != 6 or string[0] >= 24:
+ raise TypeError("an integer is required")
+ (self._hour, self._minute, self._second,
+ us1, us2, us3) = string
+ self._microsecond = (((us1 << 8) | us2) << 8) | us3
+ if tzinfo is None or isinstance(tzinfo, _tzinfo_class):
+ self._tzinfo = tzinfo
+ else:
+ raise TypeError("bad tzinfo state arg %r" % tzinfo)
+
+ def __reduce__(self):
+ return (time, self._getstate())
+
+_time_class = time # so functions w/ args named "time" can get at the class
+
+time.min = time(0, 0, 0)
+time.max = time(23, 59, 59, 999999)
+time.resolution = timedelta(microseconds=1)
+
+class datetime(date):
+ """datetime(year, month, day[, hour[, minute[, second[, microsecond[,tzinfo]]]]])
+
+ The year, month and day arguments are required. tzinfo may be None, or an
+ instance of a tzinfo subclass. The remaining arguments may be ints or longs.
+ """
+
+ __slots__ = date.__slots__ + (
+ '_hour', '_minute', '_second',
+ '_microsecond', '_tzinfo')
+ def __new__(cls, year, month=None, day=None, hour=0, minute=0, second=0,
+ microsecond=0, tzinfo=None):
+ if isinstance(year, bytes) and len(year) == 10:
+ # Pickle support
+ self = date.__new__(cls, year[:4])
+ self.__setstate(year, month)
+ return self
+ _check_tzinfo_arg(tzinfo)
+ _check_time_fields(hour, minute, second, microsecond)
+ self = date.__new__(cls, year, month, day)
+ self._hour = hour
+ self._minute = minute
+ self._second = second
+ self._microsecond = microsecond
+ self._tzinfo = tzinfo
+ return self
+
+ # Read-only field accessors
+ @property
+ def hour(self):
+ """hour (0-23)"""
+ return self._hour
+
+ @property
+ def minute(self):
+ """minute (0-59)"""
+ return self._minute
+
+ @property
+ def second(self):
+ """second (0-59)"""
+ return self._second
+
+ @property
+ def microsecond(self):
+ """microsecond (0-999999)"""
+ return self._microsecond
+
+ @property
+ def tzinfo(self):
+ """timezone info object"""
+ return self._tzinfo
+
+ @classmethod
+ def fromtimestamp(cls, t, tz=None):
+ """Construct a datetime from a POSIX timestamp (like time.time()).
+
+ A timezone info object may be passed in as well.
+ """
+
+ _check_tzinfo_arg(tz)
+ if tz is None:
+ converter = _time.localtime
+ else:
+ converter = _time.gmtime
+ if 1 - (t % 1.0) < 0.000001:
+ t = float(int(t)) + 1
+ if t < 0:
+ t -= 1
+ y, m, d, hh, mm, ss, weekday, jday, dst = converter(t)
+ us = int((t % 1.0) * 1000000)
+ ss = min(ss, 59) # clamp out leap seconds if the platform has them
+ result = cls(y, m, d, hh, mm, ss, us, tz)
+ if tz is not None:
+ result = tz.fromutc(result)
+ return result
+
+ @classmethod
+ def utcfromtimestamp(cls, t):
+ "Construct a UTC datetime from a POSIX timestamp (like time.time())."
+ if 1 - (t % 1.0) < 0.000001:
+ t = float(int(t)) + 1
+ if t < 0:
+ t -= 1
+ y, m, d, hh, mm, ss, weekday, jday, dst = _time.gmtime(t)
+ us = int((t % 1.0) * 1000000)
+ ss = min(ss, 59) # clamp out leap seconds if the platform has them
+ return cls(y, m, d, hh, mm, ss, us)
+
+ # XXX This is supposed to do better than we *can* do by using time.time(),
+ # XXX if the platform supports a more accurate way. The C implementation
+ # XXX uses gettimeofday on platforms that have it, but that isn't
+ # XXX available from Python. So now() may return different results
+ # XXX across the implementations.
+ @classmethod
+ def now(cls, tz=None):
+ "Construct a datetime from time.time() and optional time zone info."
+ t = _time.time()
+ return cls.fromtimestamp(t, tz)
+
+ @classmethod
+ def utcnow(cls):
+ "Construct a UTC datetime from time.time()."
+ t = _time.time()
+ return cls.utcfromtimestamp(t)
+
+ @classmethod
+ def combine(cls, date, time):
+ "Construct a datetime from a given date and a given time."
+ if not isinstance(date, _date_class):
+ raise TypeError("date argument must be a date instance")
+ if not isinstance(time, _time_class):
+ raise TypeError("time argument must be a time instance")
+ return cls(date.year, date.month, date.day,
+ time.hour, time.minute, time.second, time.microsecond,
+ time.tzinfo)
+
+ def timetuple(self):
+ "Return local time tuple compatible with time.localtime()."
+ dst = self.dst()
+ if dst is None:
+ dst = -1
+ elif dst:
+ dst = 1
+ else:
+ dst = 0
+ return _build_struct_time(self.year, self.month, self.day,
+ self.hour, self.minute, self.second,
+ dst)
+
+ def utctimetuple(self):
+ "Return UTC time tuple compatible with time.gmtime()."
+ offset = self.utcoffset()
+ if offset:
+ self -= offset
+ y, m, d = self.year, self.month, self.day
+ hh, mm, ss = self.hour, self.minute, self.second
+ return _build_struct_time(y, m, d, hh, mm, ss, 0)
+
+ def date(self):
+ "Return the date part."
+ return date(self._year, self._month, self._day)
+
+ def time(self):
+ "Return the time part, with tzinfo None."
+ return time(self.hour, self.minute, self.second, self.microsecond)
+
+ def timetz(self):
+ "Return the time part, with same tzinfo."
+ return time(self.hour, self.minute, self.second, self.microsecond,
+ self._tzinfo)
+
+ def replace(self, year=None, month=None, day=None, hour=None,
+ minute=None, second=None, microsecond=None, tzinfo=True):
+ """Return a new datetime with new values for the specified fields."""
+ if year is None:
+ year = self.year
+ if month is None:
+ month = self.month
+ if day is None:
+ day = self.day
+ if hour is None:
+ hour = self.hour
+ if minute is None:
+ minute = self.minute
+ if second is None:
+ second = self.second
+ if microsecond is None:
+ microsecond = self.microsecond
+ if tzinfo is True:
+ tzinfo = self.tzinfo
+ _check_date_fields(year, month, day)
+ _check_time_fields(hour, minute, second, microsecond)
+ _check_tzinfo_arg(tzinfo)
+ return datetime(year, month, day, hour, minute, second,
+ microsecond, tzinfo)
+
+ def astimezone(self, tz):
+ if not isinstance(tz, tzinfo):
+ raise TypeError("tz argument must be an instance of tzinfo")
+
+ mytz = self.tzinfo
+ if mytz is None:
+ raise ValueError("astimezone() requires an aware datetime")
+
+ if tz is mytz:
+ return self
+
+ # Convert self to UTC, and attach the new time zone object.
+ myoffset = self.utcoffset()
+ if myoffset is None:
+ raise ValueError("astimezone() requires an aware datetime")
+ utc = (self - myoffset).replace(tzinfo=tz)
+
+ # Convert from UTC to tz's local time.
+ return tz.fromutc(utc)
+
+ # Ways to produce a string.
+
+ def ctime(self):
+ "Return ctime() style string."
+ weekday = self.toordinal() % 7 or 7
+ return "%s %s %2d %02d:%02d:%02d %04d" % (
+ _DAYNAMES[weekday],
+ _MONTHNAMES[self._month],
+ self._day,
+ self._hour, self._minute, self._second,
+ self._year)
+
+ def isoformat(self, sep='T'):
+ """Return the time formatted according to ISO.
+
+ This is 'YYYY-MM-DD HH:MM:SS.mmmmmm', or 'YYYY-MM-DD HH:MM:SS' if
+ self.microsecond == 0.
+
+ If self.tzinfo is not None, the UTC offset is also attached, giving
+ 'YYYY-MM-DD HH:MM:SS.mmmmmm+HH:MM' or 'YYYY-MM-DD HH:MM:SS+HH:MM'.
+
+ Optional argument sep specifies the separator between date and
+ time, default 'T'.
+ """
+ s = ("%04d-%02d-%02d%c" % (self._year, self._month, self._day,
+ sep) +
+ _format_time(self._hour, self._minute, self._second,
+ self._microsecond))
+ off = self.utcoffset()
+ if off is not None:
+ if off.days < 0:
+ sign = "-"
+ off = -off
+ else:
+ sign = "+"
+ hh, mm = divmod(off, timedelta(hours=1))
+ assert not mm % timedelta(minutes=1), "whole minute"
+ mm //= timedelta(minutes=1)
+ s += "%s%02d:%02d" % (sign, hh, mm)
+ return s
+
+ def __repr__(self):
+ """Convert to formal string, for repr()."""
+ L = [self._year, self._month, self._day, # These are never zero
+ self._hour, self._minute, self._second, self._microsecond]
+ if L[-1] == 0:
+ del L[-1]
+ if L[-1] == 0:
+ del L[-1]
+ s = ", ".join(map(str, L))
+ s = "%s(%s)" % ('datetime.' + self.__class__.__name__, s)
+ if self._tzinfo is not None:
+ assert s[-1:] == ")"
+ s = s[:-1] + ", tzinfo=%r" % self._tzinfo + ")"
+ return s
+
+ def __str__(self):
+ "Convert to string, for str()."
+ return self.isoformat(sep=' ')
+
+ @classmethod
+ def strptime(cls, date_string, format):
+ 'string, format -> new datetime parsed from a string (like time.strptime()).'
+ import _strptime
+ return _strptime._strptime_datetime(cls, date_string, format)
+
+ def utcoffset(self):
+ """Return the timezone offset in minutes east of UTC (negative west of
+ UTC)."""
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.utcoffset(self)
+ _check_utc_offset("utcoffset", offset)
+ return offset
+
+ def tzname(self):
+ """Return the timezone name.
+
+ Note that the name is 100% informational -- there's no requirement that
+ it mean anything in particular. For example, "GMT", "UTC", "-500",
+ "-5:00", "EDT", "US/Eastern", "America/New York" are all valid replies.
+ """
+ name = _call_tzinfo_method(self._tzinfo, "tzname", self)
+ _check_tzname(name)
+ return name
+
+ def dst(self):
+ """Return 0 if DST is not in effect, or the DST offset (in minutes
+ eastward) if DST is in effect.
+
+ This is purely informational; the DST offset has already been added to
+ the UTC offset returned by utcoffset() if applicable, so there's no
+ need to consult dst() unless you're interested in displaying the DST
+ info.
+ """
+ if self._tzinfo is None:
+ return None
+ offset = self._tzinfo.dst(self)
+ _check_utc_offset("dst", offset)
+ return offset
+
+ # Comparisons of datetime objects with other.
+
+ def __eq__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) == 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ return False
+
+ def __ne__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) != 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ return True
+
+ def __le__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) <= 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def __lt__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) < 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def __ge__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) >= 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def __gt__(self, other):
+ if isinstance(other, datetime):
+ return self._cmp(other) > 0
+ elif not isinstance(other, date):
+ return NotImplemented
+ else:
+ _cmperror(self, other)
+
+ def _cmp(self, other):
+ assert isinstance(other, datetime)
+ mytz = self._tzinfo
+ ottz = other._tzinfo
+ myoff = otoff = None
+
+ if mytz is ottz:
+ base_compare = True
+ else:
+ if mytz is not None:
+ myoff = self.utcoffset()
+ if ottz is not None:
+ otoff = other.utcoffset()
+ base_compare = myoff == otoff
+
+ if base_compare:
+ return _cmp((self._year, self._month, self._day,
+ self._hour, self._minute, self._second,
+ self._microsecond),
+ (other._year, other._month, other._day,
+ other._hour, other._minute, other._second,
+ other._microsecond))
+ if myoff is None or otoff is None:
+ raise TypeError("cannot compare naive and aware datetimes")
+ # XXX What follows could be done more efficiently...
+ diff = self - other # this will take offsets into account
+ if diff.days < 0:
+ return -1
+ return diff and 1 or 0
+
+ def __add__(self, other):
+ "Add a datetime and a timedelta."
+ if not isinstance(other, timedelta):
+ return NotImplemented
+ delta = timedelta(self.toordinal(),
+ hours=self._hour,
+ minutes=self._minute,
+ seconds=self._second,
+ microseconds=self._microsecond)
+ delta += other
+ hour, rem = divmod(delta.seconds, 3600)
+ minute, second = divmod(rem, 60)
+ if 0 < delta.days <= _MAXORDINAL:
+ return datetime.combine(date.fromordinal(delta.days),
+ time(hour, minute, second,
+ delta.microseconds,
+ tzinfo=self._tzinfo))
+ raise OverflowError("result out of range")
+
+ __radd__ = __add__
+
+ def __sub__(self, other):
+ "Subtract two datetimes, or a datetime and a timedelta."
+ if not isinstance(other, datetime):
+ if isinstance(other, timedelta):
+ return self + -other
+ return NotImplemented
+
+ days1 = self.toordinal()
+ days2 = other.toordinal()
+ secs1 = self._second + self._minute * 60 + self._hour * 3600
+ secs2 = other._second + other._minute * 60 + other._hour * 3600
+ base = timedelta(days1 - days2,
+ secs1 - secs2,
+ self._microsecond - other._microsecond)
+ if self._tzinfo is other._tzinfo:
+ return base
+ myoff = self.utcoffset()
+ otoff = other.utcoffset()
+ if myoff == otoff:
+ return base
+ if myoff is None or otoff is None:
+ raise TypeError("cannot mix naive and timezone-aware time")
+ return base + otoff - myoff
+
+ def __hash__(self):
+ tzoff = self.utcoffset()
+ if tzoff is None:
+ return hash(self._getstate()[0])
+ days = _ymd2ord(self.year, self.month, self.day)
+ seconds = self.hour * 3600 + self.minute * 60 + self.second
+ return hash(timedelta(days, seconds, self.microsecond) - tzoff)
+
+ # Pickle support.
+
+ def _getstate(self):
+ yhi, ylo = divmod(self._year, 256)
+ us2, us3 = divmod(self._microsecond, 256)
+ us1, us2 = divmod(us2, 256)
+ basestate = bytes([yhi, ylo, self._month, self._day,
+ self._hour, self._minute, self._second,
+ us1, us2, us3])
+ if self._tzinfo is None:
+ return (basestate,)
+ else:
+ return (basestate, self._tzinfo)
+
+ def __setstate(self, string, tzinfo):
+ (yhi, ylo, self._month, self._day, self._hour,
+ self._minute, self._second, us1, us2, us3) = string
+ self._year = yhi * 256 + ylo
+ self._microsecond = (((us1 << 8) | us2) << 8) | us3
+ if tzinfo is None or isinstance(tzinfo, _tzinfo_class):
+ self._tzinfo = tzinfo
+ else:
+ raise TypeError("bad tzinfo state arg %r" % tzinfo)
+
+ def __reduce__(self):
+ return (self.__class__, self._getstate())
+
+
+datetime.min = datetime(1, 1, 1)
+datetime.max = datetime(9999, 12, 31, 23, 59, 59, 999999)
+datetime.resolution = timedelta(microseconds=1)
+
+
+def _isoweek1monday(year):
+ # Helper to calculate the day number of the Monday starting week 1
+ # XXX This could be done more efficiently
+ THURSDAY = 3
+ firstday = _ymd2ord(year, 1, 1)
+ firstweekday = (firstday + 6) % 7 # See weekday() above
+ week1monday = firstday - firstweekday
+ if firstweekday > THURSDAY:
+ week1monday += 7
+ return week1monday
+
+class timezone(tzinfo):
+ __slots__ = '_offset', '_name'
+
+ # Sentinel value to disallow None
+ _Omitted = object()
+ def __init__(self, offset, name=_Omitted):
+ if name is self._Omitted:
+ name = None
+ elif not isinstance(name, str):
+ raise TypeError("name must be a string")
+ if isinstance(offset, timedelta):
+ if self._minoffset <= offset <= self._maxoffset:
+ if (offset.microseconds != 0 or
+ offset.seconds % 60 != 0):
+ raise ValueError("offset must be whole"
+ " number of minutes")
+ self._offset = offset
+ else:
+ raise ValueError("offset out of range")
+ else:
+ raise TypeError("offset must be timedelta")
+
+ self._name = name
+
+ def __getinitargs__(self):
+ """pickle support"""
+ if self._name is None:
+ return (self._offset,)
+ return (self._offset, self._name)
+
+ def __eq__(self, other):
+ return self._offset == other._offset
+
+ def __hash__(self):
+ return hash(self._offset)
+
+ def __repr__(self):
+ """Convert to formal string, for repr().
+
+ >>> tz = timezone.utc
+ >>> repr(tz)
+ 'datetime.timezone.utc'
+ >>> tz = timezone(timedelta(hours=-5), 'EST')
+ >>> repr(tz)
+ "datetime.timezone(datetime.timedelta(-1, 68400), 'EST')"
+ """
+ if self is self.utc:
+ return 'datetime.timezone.utc'
+ if self._name is None:
+ return "%s(%r)" % ('datetime.' + self.__class__.__name__,
+ self._offset)
+ return "%s(%r, %r)" % ('datetime.' + self.__class__.__name__,
+ self._offset, self._name)
+
+ def __str__(self):
+ return self.tzname(None)
+
+ def utcoffset(self, dt):
+ if isinstance(dt, datetime) or dt is None:
+ return self._offset
+ raise TypeError("utcoffset() argument must be a datetime instance"
+ " or None")
+
+ def tzname(self, dt):
+ if isinstance(dt, datetime) or dt is None:
+ if self._name is None:
+ return self._name_from_offset(self._offset)
+ return self._name
+ raise TypeError("tzname() argument must be a datetime instance"
+ " or None")
+
+ def dst(self, dt):
+ if isinstance(dt, datetime) or dt is None:
+ return None
+ raise TypeError("dst() argument must be a datetime instance"
+ " or None")
+
+ def fromutc(self, dt):
+ if isinstance(dt, datetime):
+ if dt.tzinfo is not self:
+ raise ValueError("fromutc: dt.tzinfo "
+ "is not self")
+ return dt + self._offset
+ raise TypeError("fromutc() argument must be a datetime instance"
+ " or None")
+
+ _maxoffset = timedelta(hours=23, minutes=59)
+ _minoffset = -_maxoffset
+
+ @staticmethod
+ def _name_from_offset(delta):
+ if delta < timedelta(0):
+ sign = '-'
+ delta = -delta
+ else:
+ sign = '+'
+ hours, rest = divmod(delta, timedelta(hours=1))
+ minutes = rest // timedelta(minutes=1)
+ return 'UTC{}{:02d}:{:02d}'.format(sign, hours, minutes)
+
+timezone.utc = timezone(timedelta(0))
+timezone.min = timezone(timezone._minoffset)
+timezone.max = timezone(timezone._maxoffset)
+
+"""
+Some time zone algebra. For a datetime x, let
+ x.n = x stripped of its timezone -- its naive time.
+ x.o = x.utcoffset(), and assuming that doesn't raise an exception or
+ return None
+ x.d = x.dst(), and assuming that doesn't raise an exception or
+ return None
+ x.s = x's standard offset, x.o - x.d
+
+Now some derived rules, where k is a duration (timedelta).
+
+1. x.o = x.s + x.d
+ This follows from the definition of x.s.
+
+2. If x and y have the same tzinfo member, x.s = y.s.
+ This is actually a requirement, an assumption we need to make about
+ sane tzinfo classes.
+
+3. The naive UTC time corresponding to x is x.n - x.o.
+ This is again a requirement for a sane tzinfo class.
+
+4. (x+k).s = x.s
+ This follows from #2, and that datimetimetz+timedelta preserves tzinfo.
+
+5. (x+k).n = x.n + k
+ Again follows from how arithmetic is defined.
+
+Now we can explain tz.fromutc(x). Let's assume it's an interesting case
+(meaning that the various tzinfo methods exist, and don't blow up or return
+None when called).
+
+The function wants to return a datetime y with timezone tz, equivalent to x.
+x is already in UTC.
+
+By #3, we want
+
+ y.n - y.o = x.n [1]
+
+The algorithm starts by attaching tz to x.n, and calling that y. So
+x.n = y.n at the start. Then it wants to add a duration k to y, so that [1]
+becomes true; in effect, we want to solve [2] for k:
+
+ (y+k).n - (y+k).o = x.n [2]
+
+By #1, this is the same as
+
+ (y+k).n - ((y+k).s + (y+k).d) = x.n [3]
+
+By #5, (y+k).n = y.n + k, which equals x.n + k because x.n=y.n at the start.
+Substituting that into [3],
+
+ x.n + k - (y+k).s - (y+k).d = x.n; the x.n terms cancel, leaving
+ k - (y+k).s - (y+k).d = 0; rearranging,
+ k = (y+k).s - (y+k).d; by #4, (y+k).s == y.s, so
+ k = y.s - (y+k).d
+
+On the RHS, (y+k).d can't be computed directly, but y.s can be, and we
+approximate k by ignoring the (y+k).d term at first. Note that k can't be
+very large, since all offset-returning methods return a duration of magnitude
+less than 24 hours. For that reason, if y is firmly in std time, (y+k).d must
+be 0, so ignoring it has no consequence then.
+
+In any case, the new value is
+
+ z = y + y.s [4]
+
+It's helpful to step back at look at [4] from a higher level: it's simply
+mapping from UTC to tz's standard time.
+
+At this point, if
+
+ z.n - z.o = x.n [5]
+
+we have an equivalent time, and are almost done. The insecurity here is
+at the start of daylight time. Picture US Eastern for concreteness. The wall
+time jumps from 1:59 to 3:00, and wall hours of the form 2:MM don't make good
+sense then. The docs ask that an Eastern tzinfo class consider such a time to
+be EDT (because it's "after 2"), which is a redundant spelling of 1:MM EST
+on the day DST starts. We want to return the 1:MM EST spelling because that's
+the only spelling that makes sense on the local wall clock.
+
+In fact, if [5] holds at this point, we do have the standard-time spelling,
+but that takes a bit of proof. We first prove a stronger result. What's the
+difference between the LHS and RHS of [5]? Let
+
+ diff = x.n - (z.n - z.o) [6]
+
+Now
+ z.n = by [4]
+ (y + y.s).n = by #5
+ y.n + y.s = since y.n = x.n
+ x.n + y.s = since z and y are have the same tzinfo member,
+ y.s = z.s by #2
+ x.n + z.s
+
+Plugging that back into [6] gives
+
+ diff =
+ x.n - ((x.n + z.s) - z.o) = expanding
+ x.n - x.n - z.s + z.o = cancelling
+ - z.s + z.o = by #2
+ z.d
+
+So diff = z.d.
+
+If [5] is true now, diff = 0, so z.d = 0 too, and we have the standard-time
+spelling we wanted in the endcase described above. We're done. Contrarily,
+if z.d = 0, then we have a UTC equivalent, and are also done.
+
+If [5] is not true now, diff = z.d != 0, and z.d is the offset we need to
+add to z (in effect, z is in tz's standard time, and we need to shift the
+local clock into tz's daylight time).
+
+Let
+
+ z' = z + z.d = z + diff [7]
+
+and we can again ask whether
+
+ z'.n - z'.o = x.n [8]
+
+If so, we're done. If not, the tzinfo class is insane, according to the
+assumptions we've made. This also requires a bit of proof. As before, let's
+compute the difference between the LHS and RHS of [8] (and skipping some of
+the justifications for the kinds of substitutions we've done several times
+already):
+
+ diff' = x.n - (z'.n - z'.o) = replacing z'.n via [7]
+ x.n - (z.n + diff - z'.o) = replacing diff via [6]
+ x.n - (z.n + x.n - (z.n - z.o) - z'.o) =
+ x.n - z.n - x.n + z.n - z.o + z'.o = cancel x.n
+ - z.n + z.n - z.o + z'.o = cancel z.n
+ - z.o + z'.o = #1 twice
+ -z.s - z.d + z'.s + z'.d = z and z' have same tzinfo
+ z'.d - z.d
+
+So z' is UTC-equivalent to x iff z'.d = z.d at this point. If they are equal,
+we've found the UTC-equivalent so are done. In fact, we stop with [7] and
+return z', not bothering to compute z'.d.
+
+How could z.d and z'd differ? z' = z + z.d [7], so merely moving z' by
+a dst() offset, and starting *from* a time already in DST (we know z.d != 0),
+would have to change the result dst() returns: we start in DST, and moving
+a little further into it takes us out of DST.
+
+There isn't a sane case where this can happen. The closest it gets is at
+the end of DST, where there's an hour in UTC with no spelling in a hybrid
+tzinfo class. In US Eastern, that's 5:MM UTC = 0:MM EST = 1:MM EDT. During
+that hour, on an Eastern clock 1:MM is taken as being in standard time (6:MM
+UTC) because the docs insist on that, but 0:MM is taken as being in daylight
+time (4:MM UTC). There is no local time mapping to 5:MM UTC. The local
+clock jumps from 1:59 back to 1:00 again, and repeats the 1:MM hour in
+standard time. Since that's what the local clock *does*, we want to map both
+UTC hours 5:MM and 6:MM to 1:MM Eastern. The result is ambiguous
+in local time, but so it goes -- it's the way the local clock works.
+
+When x = 5:MM UTC is the input to this algorithm, x.o=0, y.o=-5 and y.d=0,
+so z=0:MM. z.d=60 (minutes) then, so [5] doesn't hold and we keep going.
+z' = z + z.d = 1:MM then, and z'.d=0, and z'.d - z.d = -60 != 0 so [8]
+(correctly) concludes that z' is not UTC-equivalent to x.
+
+Because we know z.d said z was in daylight time (else [5] would have held and
+we would have stopped then), and we know z.d != z'.d (else [8] would have held
+and we we have stopped then), and there are only 2 possible values dst() can
+return in Eastern, it follows that z'.d must be 0 (which it is in the example,
+but the reasoning doesn't depend on the example -- it depends on there being
+two possible dst() outcomes, one zero and the other non-zero). Therefore
+z' must be in standard time, and is the spelling we want in this case.
+
+Note again that z' is not UTC-equivalent as far as the hybrid tzinfo class is
+concerned (because it takes z' as being in standard time rather than the
+daylight time we intend here), but returning it gives the real-life "local
+clock repeats an hour" behavior when mapping the "unspellable" UTC hour into
+tz.
+
+When the input is 6:MM, z=1:MM and z.d=0, and we stop at once, again with
+the 1:MM standard time spelling we want.
+
+So how can this break? One of the assumptions must be violated. Two
+possibilities:
+
+1) [2] effectively says that y.s is invariant across all y belong to a given
+ time zone. This isn't true if, for political reasons or continental drift,
+ a region decides to change its base offset from UTC.
+
+2) There may be versions of "double daylight" time where the tail end of
+ the analysis gives up a step too early. I haven't thought about that
+ enough to say.
+
+In any case, it's clear that the default fromutc() is strong enough to handle
+"almost all" time zones: so long as the standard offset is invariant, it
+doesn't matter if daylight time transition points change from year to year, or
+if daylight time is skipped in some years; it doesn't matter how large or
+small dst() may get within its bounds; and it doesn't even matter if some
+perverse time zone returns a negative dst()). So a breaking case must be
+pretty bizarre, and a tzinfo subclass can override fromutc() if it is.
+"""
+try:
+ from _datetime import *
+except ImportError:
+ pass
+else:
+ # Clean up unused names
+ del (_DAYNAMES, _DAYS_BEFORE_MONTH, _DAYS_IN_MONTH,
+ _DI100Y, _DI400Y, _DI4Y, _MAXORDINAL, _MONTHNAMES,
+ _build_struct_time, _call_tzinfo_method, _check_date_fields,
+ _check_time_fields, _check_tzinfo_arg, _check_tzname,
+ _check_utc_offset, _cmp, _cmperror, _date_class, _days_before_month,
+ _days_before_year, _days_in_month, _format_time, _is_leap,
+ _isoweek1monday, _math, _ord2ymd, _time, _time_class, _tzinfo_class,
+ _wrap_strftime, _ymd2ord)
--- /dev/null
+"""Test date/time type.
+
+See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases
+"""
+
+import sys
+import pickle
+import unittest
+
+from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod
+
+from test import support
+
+import datetime as datetime_module
+from datetime import MINYEAR, MAXYEAR
+from datetime import timedelta
+from datetime import tzinfo
+from datetime import time
+from datetime import timezone
+from datetime import date, datetime
+import time as _time
+
+# Needed by test_datetime
+import _strptime
+#
+
+
+pickle_choices = [(pickle, pickle, proto)
+ for proto in range(pickle.HIGHEST_PROTOCOL + 1)]
+assert len(pickle_choices) == pickle.HIGHEST_PROTOCOL + 1
+
+# An arbitrary collection of objects of non-datetime types, for testing
+# mixed-type comparisons.
+OTHERSTUFF = (10, 34.5, "abc", {}, [], ())
+
+
+# XXX Copied from test_float.
+INF = float("inf")
+NAN = float("nan")
+
+# decorator for skipping tests on non-IEEE 754 platforms
+requires_IEEE_754 = unittest.skipUnless(
+ float.__getformat__("double").startswith("IEEE"),
+ "test requires IEEE 754 doubles")
+
+
+#############################################################################
+# module tests
+
+class TestModule(unittest.TestCase):
+
+ def test_constants(self):
+ datetime = datetime_module
+ self.assertEqual(datetime.MINYEAR, 1)
+ self.assertEqual(datetime.MAXYEAR, 9999)
+
+#############################################################################
+# tzinfo tests
+
+class FixedOffset(tzinfo):
+
+ def __init__(self, offset, name, dstoffset=42):
+ if isinstance(offset, int):
+ offset = timedelta(minutes=offset)
+ if isinstance(dstoffset, int):
+ dstoffset = timedelta(minutes=dstoffset)
+ self.__offset = offset
+ self.__name = name
+ self.__dstoffset = dstoffset
+ def __repr__(self):
+ return self.__name.lower()
+ def utcoffset(self, dt):
+ return self.__offset
+ def tzname(self, dt):
+ return self.__name
+ def dst(self, dt):
+ return self.__dstoffset
+
+class PicklableFixedOffset(FixedOffset):
+
+ def __init__(self, offset=None, name=None, dstoffset=None):
+ FixedOffset.__init__(self, offset, name, dstoffset)
+
+class TestTZInfo(unittest.TestCase):
+
+ def test_non_abstractness(self):
+ # In order to allow subclasses to get pickled, the C implementation
+ # wasn't able to get away with having __init__ raise
+ # NotImplementedError.
+ useless = tzinfo()
+ dt = datetime.max
+ self.assertRaises(NotImplementedError, useless.tzname, dt)
+ self.assertRaises(NotImplementedError, useless.utcoffset, dt)
+ self.assertRaises(NotImplementedError, useless.dst, dt)
+
+ def test_subclass_must_override(self):
+ class NotEnough(tzinfo):
+ def __init__(self, offset, name):
+ self.__offset = offset
+ self.__name = name
+ self.assertTrue(issubclass(NotEnough, tzinfo))
+ ne = NotEnough(3, "NotByALongShot")
+ self.assertIsInstance(ne, tzinfo)
+
+ dt = datetime.now()
+ self.assertRaises(NotImplementedError, ne.tzname, dt)
+ self.assertRaises(NotImplementedError, ne.utcoffset, dt)
+ self.assertRaises(NotImplementedError, ne.dst, dt)
+
+ def test_normal(self):
+ fo = FixedOffset(3, "Three")
+ self.assertIsInstance(fo, tzinfo)
+ for dt in datetime.now(), None:
+ self.assertEqual(fo.utcoffset(dt), timedelta(minutes=3))
+ self.assertEqual(fo.tzname(dt), "Three")
+ self.assertEqual(fo.dst(dt), timedelta(minutes=42))
+
+ def test_pickling_base(self):
+ # There's no point to pickling tzinfo objects on their own (they
+ # carry no data), but they need to be picklable anyway else
+ # concrete subclasses can't be pickled.
+ orig = tzinfo.__new__(tzinfo)
+ self.assertTrue(type(orig) is tzinfo)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertTrue(type(derived) is tzinfo)
+
+ def test_pickling_subclass(self):
+ # Make sure we can pickle/unpickle an instance of a subclass.
+ offset = timedelta(minutes=-300)
+ for otype, args in [
+ (PicklableFixedOffset, (offset, 'cookie')),
+ (timezone, (offset,)),
+ (timezone, (offset, "EST"))]:
+ orig = otype(*args)
+ oname = orig.tzname(None)
+ self.assertIsInstance(orig, tzinfo)
+ self.assertIs(type(orig), otype)
+ self.assertEqual(orig.utcoffset(None), offset)
+ self.assertEqual(orig.tzname(None), oname)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertIsInstance(derived, tzinfo)
+ self.assertIs(type(derived), otype)
+ self.assertEqual(derived.utcoffset(None), offset)
+ self.assertEqual(derived.tzname(None), oname)
+
+class TestTimeZone(unittest.TestCase):
+
+ def setUp(self):
+ self.ACDT = timezone(timedelta(hours=9.5), 'ACDT')
+ self.EST = timezone(-timedelta(hours=5), 'EST')
+ self.DT = datetime(2010, 1, 1)
+
+ def test_str(self):
+ for tz in [self.ACDT, self.EST, timezone.utc,
+ timezone.min, timezone.max]:
+ self.assertEqual(str(tz), tz.tzname(None))
+
+ def test_repr(self):
+ datetime = datetime_module
+ for tz in [self.ACDT, self.EST, timezone.utc,
+ timezone.min, timezone.max]:
+ # test round-trip
+ tzrep = repr(tz)
+ self.assertEqual(tz, eval(tzrep))
+
+
+ def test_class_members(self):
+ limit = timedelta(hours=23, minutes=59)
+ self.assertEqual(timezone.utc.utcoffset(None), ZERO)
+ self.assertEqual(timezone.min.utcoffset(None), -limit)
+ self.assertEqual(timezone.max.utcoffset(None), limit)
+
+
+ def test_constructor(self):
+ self.assertEqual(timezone.utc, timezone(timedelta(0)))
+ # invalid offsets
+ for invalid in [timedelta(microseconds=1), timedelta(1, 1),
+ timedelta(seconds=1), timedelta(1), -timedelta(1)]:
+ self.assertRaises(ValueError, timezone, invalid)
+ self.assertRaises(ValueError, timezone, -invalid)
+
+ with self.assertRaises(TypeError): timezone(None)
+ with self.assertRaises(TypeError): timezone(42)
+ with self.assertRaises(TypeError): timezone(ZERO, None)
+ with self.assertRaises(TypeError): timezone(ZERO, 42)
+ with self.assertRaises(TypeError): timezone(ZERO, 'ABC', 'extra')
+
+ def test_inheritance(self):
+ self.assertIsInstance(timezone.utc, tzinfo)
+ self.assertIsInstance(self.EST, tzinfo)
+
+ def test_utcoffset(self):
+ dummy = self.DT
+ for h in [0, 1.5, 12]:
+ offset = h * HOUR
+ self.assertEqual(offset, timezone(offset).utcoffset(dummy))
+ self.assertEqual(-offset, timezone(-offset).utcoffset(dummy))
+
+ with self.assertRaises(TypeError): self.EST.utcoffset('')
+ with self.assertRaises(TypeError): self.EST.utcoffset(5)
+
+
+ def test_dst(self):
+ self.assertEqual(None, timezone.utc.dst(self.DT))
+
+ with self.assertRaises(TypeError): self.EST.dst('')
+ with self.assertRaises(TypeError): self.EST.dst(5)
+
+ def test_tzname(self):
+ self.assertEqual('UTC+00:00', timezone(ZERO).tzname(None))
+ self.assertEqual('UTC-05:00', timezone(-5 * HOUR).tzname(None))
+ self.assertEqual('UTC+09:30', timezone(9.5 * HOUR).tzname(None))
+ self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None))
+ self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None))
+
+ with self.assertRaises(TypeError): self.EST.tzname('')
+ with self.assertRaises(TypeError): self.EST.tzname(5)
+
+ def test_fromutc(self):
+ with self.assertRaises(ValueError):
+ timezone.utc.fromutc(self.DT)
+ with self.assertRaises(TypeError):
+ timezone.utc.fromutc('not datetime')
+ for tz in [self.EST, self.ACDT, Eastern]:
+ utctime = self.DT.replace(tzinfo=tz)
+ local = tz.fromutc(utctime)
+ self.assertEqual(local - utctime, tz.utcoffset(local))
+ self.assertEqual(local,
+ self.DT.replace(tzinfo=timezone.utc))
+
+ def test_comparison(self):
+ self.assertNotEqual(timezone(ZERO), timezone(HOUR))
+ self.assertEqual(timezone(HOUR), timezone(HOUR))
+ self.assertEqual(timezone(-5 * HOUR), timezone(-5 * HOUR, 'EST'))
+ with self.assertRaises(TypeError): timezone(ZERO) < timezone(ZERO)
+ self.assertIn(timezone(ZERO), {timezone(ZERO)})
+
+ def test_aware_datetime(self):
+ # test that timezone instances can be used by datetime
+ t = datetime(1, 1, 1)
+ for tz in [timezone.min, timezone.max, timezone.utc]:
+ self.assertEqual(tz.tzname(t),
+ t.replace(tzinfo=tz).tzname())
+ self.assertEqual(tz.utcoffset(t),
+ t.replace(tzinfo=tz).utcoffset())
+ self.assertEqual(tz.dst(t),
+ t.replace(tzinfo=tz).dst())
+
+#############################################################################
+# Base clase for testing a particular aspect of timedelta, time, date and
+# datetime comparisons.
+
+class HarmlessMixedComparison:
+ # Test that __eq__ and __ne__ don't complain for mixed-type comparisons.
+
+ # Subclasses must define 'theclass', and theclass(1, 1, 1) must be a
+ # legit constructor.
+
+ def test_harmless_mixed_comparison(self):
+ me = self.theclass(1, 1, 1)
+
+ self.assertFalse(me == ())
+ self.assertTrue(me != ())
+ self.assertFalse(() == me)
+ self.assertTrue(() != me)
+
+ self.assertIn(me, [1, 20, [], me])
+ self.assertIn([], [me, 1, 20, []])
+
+ def test_harmful_mixed_comparison(self):
+ me = self.theclass(1, 1, 1)
+
+ self.assertRaises(TypeError, lambda: me < ())
+ self.assertRaises(TypeError, lambda: me <= ())
+ self.assertRaises(TypeError, lambda: me > ())
+ self.assertRaises(TypeError, lambda: me >= ())
+
+ self.assertRaises(TypeError, lambda: () < me)
+ self.assertRaises(TypeError, lambda: () <= me)
+ self.assertRaises(TypeError, lambda: () > me)
+ self.assertRaises(TypeError, lambda: () >= me)
+
+#############################################################################
+# timedelta tests
+
+class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
+
+ theclass = timedelta
+
+ def test_constructor(self):
+ eq = self.assertEqual
+ td = timedelta
+
+ # Check keyword args to constructor
+ eq(td(), td(weeks=0, days=0, hours=0, minutes=0, seconds=0,
+ milliseconds=0, microseconds=0))
+ eq(td(1), td(days=1))
+ eq(td(0, 1), td(seconds=1))
+ eq(td(0, 0, 1), td(microseconds=1))
+ eq(td(weeks=1), td(days=7))
+ eq(td(days=1), td(hours=24))
+ eq(td(hours=1), td(minutes=60))
+ eq(td(minutes=1), td(seconds=60))
+ eq(td(seconds=1), td(milliseconds=1000))
+ eq(td(milliseconds=1), td(microseconds=1000))
+
+ # Check float args to constructor
+ eq(td(weeks=1.0/7), td(days=1))
+ eq(td(days=1.0/24), td(hours=1))
+ eq(td(hours=1.0/60), td(minutes=1))
+ eq(td(minutes=1.0/60), td(seconds=1))
+ eq(td(seconds=0.001), td(milliseconds=1))
+ eq(td(milliseconds=0.001), td(microseconds=1))
+
+ def test_computations(self):
+ eq = self.assertEqual
+ td = timedelta
+
+ a = td(7) # One week
+ b = td(0, 60) # One minute
+ c = td(0, 0, 1000) # One millisecond
+ eq(a+b+c, td(7, 60, 1000))
+ eq(a-b, td(6, 24*3600 - 60))
+ eq(b.__rsub__(a), td(6, 24*3600 - 60))
+ eq(-a, td(-7))
+ eq(+a, td(7))
+ eq(-b, td(-1, 24*3600 - 60))
+ eq(-c, td(-1, 24*3600 - 1, 999000))
+ eq(abs(a), a)
+ eq(abs(-a), a)
+ eq(td(6, 24*3600), a)
+ eq(td(0, 0, 60*1000000), b)
+ eq(a*10, td(70))
+ eq(a*10, 10*a)
+ eq(a*10, 10*a)
+ eq(b*10, td(0, 600))
+ eq(10*b, td(0, 600))
+ eq(b*10, td(0, 600))
+ eq(c*10, td(0, 0, 10000))
+ eq(10*c, td(0, 0, 10000))
+ eq(c*10, td(0, 0, 10000))
+ eq(a*-1, -a)
+ eq(b*-2, -b-b)
+ eq(c*-2, -c+-c)
+ eq(b*(60*24), (b*60)*24)
+ eq(b*(60*24), (60*b)*24)
+ eq(c*1000, td(0, 1))
+ eq(1000*c, td(0, 1))
+ eq(a//7, td(1))
+ eq(b//10, td(0, 6))
+ eq(c//1000, td(0, 0, 1))
+ eq(a//10, td(0, 7*24*360))
+ eq(a//3600000, td(0, 0, 7*24*1000))
+ eq(a/0.5, td(14))
+ eq(b/0.5, td(0, 120))
+ eq(a/7, td(1))
+ eq(b/10, td(0, 6))
+ eq(c/1000, td(0, 0, 1))
+ eq(a/10, td(0, 7*24*360))
+ eq(a/3600000, td(0, 0, 7*24*1000))
+
+ # Multiplication by float
+ us = td(microseconds=1)
+ eq((3*us) * 0.5, 2*us)
+ eq((5*us) * 0.5, 2*us)
+ eq(0.5 * (3*us), 2*us)
+ eq(0.5 * (5*us), 2*us)
+ eq((-3*us) * 0.5, -2*us)
+ eq((-5*us) * 0.5, -2*us)
+
+ # Division by int and float
+ eq((3*us) / 2, 2*us)
+ eq((5*us) / 2, 2*us)
+ eq((-3*us) / 2.0, -2*us)
+ eq((-5*us) / 2.0, -2*us)
+ eq((3*us) / -2, -2*us)
+ eq((5*us) / -2, -2*us)
+ eq((3*us) / -2.0, -2*us)
+ eq((5*us) / -2.0, -2*us)
+ for i in range(-10, 10):
+ eq((i*us/3)//us, round(i/3))
+ for i in range(-10, 10):
+ eq((i*us/-3)//us, round(i/-3))
+
+ def test_disallowed_computations(self):
+ a = timedelta(42)
+
+ # Add/sub ints or floats should be illegal
+ for i in 1, 1.0:
+ self.assertRaises(TypeError, lambda: a+i)
+ self.assertRaises(TypeError, lambda: a-i)
+ self.assertRaises(TypeError, lambda: i+a)
+ self.assertRaises(TypeError, lambda: i-a)
+
+ # Division of int by timedelta doesn't make sense.
+ # Division by zero doesn't make sense.
+ zero = 0
+ self.assertRaises(TypeError, lambda: zero // a)
+ self.assertRaises(ZeroDivisionError, lambda: a // zero)
+ self.assertRaises(ZeroDivisionError, lambda: a / zero)
+ self.assertRaises(ZeroDivisionError, lambda: a / 0.0)
+ self.assertRaises(TypeError, lambda: a / '')
+
+ @requires_IEEE_754
+ def test_disallowed_special(self):
+ a = timedelta(42)
+ self.assertRaises(ValueError, a.__mul__, NAN)
+ self.assertRaises(ValueError, a.__truediv__, NAN)
+
+ def test_basic_attributes(self):
+ days, seconds, us = 1, 7, 31
+ td = timedelta(days, seconds, us)
+ self.assertEqual(td.days, days)
+ self.assertEqual(td.seconds, seconds)
+ self.assertEqual(td.microseconds, us)
+
+ def test_total_seconds(self):
+ td = timedelta(days=365)
+ self.assertEqual(td.total_seconds(), 31536000.0)
+ for total_seconds in [123456.789012, -123456.789012, 0.123456, 0, 1e6]:
+ td = timedelta(seconds=total_seconds)
+ self.assertEqual(td.total_seconds(), total_seconds)
+ # Issue8644: Test that td.total_seconds() has the same
+ # accuracy as td / timedelta(seconds=1).
+ for ms in [-1, -2, -123]:
+ td = timedelta(microseconds=ms)
+ self.assertEqual(td.total_seconds(), td / timedelta(seconds=1))
+
+ def test_carries(self):
+ t1 = timedelta(days=100,
+ weeks=-7,
+ hours=-24*(100-49),
+ minutes=-3,
+ seconds=12,
+ microseconds=(3*60 - 12) * 1e6 + 1)
+ t2 = timedelta(microseconds=1)
+ self.assertEqual(t1, t2)
+
+ def test_hash_equality(self):
+ t1 = timedelta(days=100,
+ weeks=-7,
+ hours=-24*(100-49),
+ minutes=-3,
+ seconds=12,
+ microseconds=(3*60 - 12) * 1000000)
+ t2 = timedelta()
+ self.assertEqual(hash(t1), hash(t2))
+
+ t1 += timedelta(weeks=7)
+ t2 += timedelta(days=7*7)
+ self.assertEqual(t1, t2)
+ self.assertEqual(hash(t1), hash(t2))
+
+ d = {t1: 1}
+ d[t2] = 2
+ self.assertEqual(len(d), 1)
+ self.assertEqual(d[t1], 2)
+
+ def test_pickling(self):
+ args = 12, 34, 56
+ orig = timedelta(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_compare(self):
+ t1 = timedelta(2, 3, 4)
+ t2 = timedelta(2, 3, 4)
+ self.assertEqual(t1, t2)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t1 >= t2)
+ self.assertTrue(not t1 != t2)
+ self.assertTrue(not t1 < t2)
+ self.assertTrue(not t1 > t2)
+
+ for args in (3, 3, 3), (2, 4, 4), (2, 3, 5):
+ t2 = timedelta(*args) # this is larger than t1
+ self.assertTrue(t1 < t2)
+ self.assertTrue(t2 > t1)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t2 >= t1)
+ self.assertTrue(t1 != t2)
+ self.assertTrue(t2 != t1)
+ self.assertTrue(not t1 == t2)
+ self.assertTrue(not t2 == t1)
+ self.assertTrue(not t1 > t2)
+ self.assertTrue(not t2 < t1)
+ self.assertTrue(not t1 >= t2)
+ self.assertTrue(not t2 <= t1)
+
+ for badarg in OTHERSTUFF:
+ self.assertEqual(t1 == badarg, False)
+ self.assertEqual(t1 != badarg, True)
+ self.assertEqual(badarg == t1, False)
+ self.assertEqual(badarg != t1, True)
+
+ self.assertRaises(TypeError, lambda: t1 <= badarg)
+ self.assertRaises(TypeError, lambda: t1 < badarg)
+ self.assertRaises(TypeError, lambda: t1 > badarg)
+ self.assertRaises(TypeError, lambda: t1 >= badarg)
+ self.assertRaises(TypeError, lambda: badarg <= t1)
+ self.assertRaises(TypeError, lambda: badarg < t1)
+ self.assertRaises(TypeError, lambda: badarg > t1)
+ self.assertRaises(TypeError, lambda: badarg >= t1)
+
+ def test_str(self):
+ td = timedelta
+ eq = self.assertEqual
+
+ eq(str(td(1)), "1 day, 0:00:00")
+ eq(str(td(-1)), "-1 day, 0:00:00")
+ eq(str(td(2)), "2 days, 0:00:00")
+ eq(str(td(-2)), "-2 days, 0:00:00")
+
+ eq(str(td(hours=12, minutes=58, seconds=59)), "12:58:59")
+ eq(str(td(hours=2, minutes=3, seconds=4)), "2:03:04")
+ eq(str(td(weeks=-30, hours=23, minutes=12, seconds=34)),
+ "-210 days, 23:12:34")
+
+ eq(str(td(milliseconds=1)), "0:00:00.001000")
+ eq(str(td(microseconds=3)), "0:00:00.000003")
+
+ eq(str(td(days=999999999, hours=23, minutes=59, seconds=59,
+ microseconds=999999)),
+ "999999999 days, 23:59:59.999999")
+
+ def test_repr(self):
+ name = 'datetime.' + self.theclass.__name__
+ self.assertEqual(repr(self.theclass(1)),
+ "%s(1)" % name)
+ self.assertEqual(repr(self.theclass(10, 2)),
+ "%s(10, 2)" % name)
+ self.assertEqual(repr(self.theclass(-10, 2, 400000)),
+ "%s(-10, 2, 400000)" % name)
+
+ def test_roundtrip(self):
+ for td in (timedelta(days=999999999, hours=23, minutes=59,
+ seconds=59, microseconds=999999),
+ timedelta(days=-999999999),
+ timedelta(days=-999999999, seconds=1),
+ timedelta(days=1, seconds=2, microseconds=3)):
+
+ # Verify td -> string -> td identity.
+ s = repr(td)
+ self.assertTrue(s.startswith('datetime.'))
+ s = s[9:]
+ td2 = eval(s)
+ self.assertEqual(td, td2)
+
+ # Verify identity via reconstructing from pieces.
+ td2 = timedelta(td.days, td.seconds, td.microseconds)
+ self.assertEqual(td, td2)
+
+ def test_resolution_info(self):
+ self.assertIsInstance(timedelta.min, timedelta)
+ self.assertIsInstance(timedelta.max, timedelta)
+ self.assertIsInstance(timedelta.resolution, timedelta)
+ self.assertTrue(timedelta.max > timedelta.min)
+ self.assertEqual(timedelta.min, timedelta(-999999999))
+ self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1))
+ self.assertEqual(timedelta.resolution, timedelta(0, 0, 1))
+
+ def test_overflow(self):
+ tiny = timedelta.resolution
+
+ td = timedelta.min + tiny
+ td -= tiny # no problem
+ self.assertRaises(OverflowError, td.__sub__, tiny)
+ self.assertRaises(OverflowError, td.__add__, -tiny)
+
+ td = timedelta.max - tiny
+ td += tiny # no problem
+ self.assertRaises(OverflowError, td.__add__, tiny)
+ self.assertRaises(OverflowError, td.__sub__, -tiny)
+
+ self.assertRaises(OverflowError, lambda: -timedelta.max)
+
+ day = timedelta(1)
+ self.assertRaises(OverflowError, day.__mul__, 10**9)
+ self.assertRaises(OverflowError, day.__mul__, 1e9)
+ self.assertRaises(OverflowError, day.__truediv__, 1e-20)
+ self.assertRaises(OverflowError, day.__truediv__, 1e-10)
+ self.assertRaises(OverflowError, day.__truediv__, 9e-10)
+
+ @requires_IEEE_754
+ def _test_overflow_special(self):
+ day = timedelta(1)
+ self.assertRaises(OverflowError, day.__mul__, INF)
+ self.assertRaises(OverflowError, day.__mul__, -INF)
+
+ def test_microsecond_rounding(self):
+ td = timedelta
+ eq = self.assertEqual
+
+ # Single-field rounding.
+ eq(td(milliseconds=0.4/1000), td(0)) # rounds to 0
+ eq(td(milliseconds=-0.4/1000), td(0)) # rounds to 0
+ eq(td(milliseconds=0.6/1000), td(microseconds=1))
+ eq(td(milliseconds=-0.6/1000), td(microseconds=-1))
+
+ # Rounding due to contributions from more than one field.
+ us_per_hour = 3600e6
+ us_per_day = us_per_hour * 24
+ eq(td(days=.4/us_per_day), td(0))
+ eq(td(hours=.2/us_per_hour), td(0))
+ eq(td(days=.4/us_per_day, hours=.2/us_per_hour), td(microseconds=1))
+
+ eq(td(days=-.4/us_per_day), td(0))
+ eq(td(hours=-.2/us_per_hour), td(0))
+ eq(td(days=-.4/us_per_day, hours=-.2/us_per_hour), td(microseconds=-1))
+
+ def test_massive_normalization(self):
+ td = timedelta(microseconds=-1)
+ self.assertEqual((td.days, td.seconds, td.microseconds),
+ (-1, 24*3600-1, 999999))
+
+ def test_bool(self):
+ self.assertTrue(timedelta(1))
+ self.assertTrue(timedelta(0, 1))
+ self.assertTrue(timedelta(0, 0, 1))
+ self.assertTrue(timedelta(microseconds=1))
+ self.assertTrue(not timedelta(0))
+
+ def test_subclass_timedelta(self):
+
+ class T(timedelta):
+ @staticmethod
+ def from_td(td):
+ return T(td.days, td.seconds, td.microseconds)
+
+ def as_hours(self):
+ sum = (self.days * 24 +
+ self.seconds / 3600.0 +
+ self.microseconds / 3600e6)
+ return round(sum)
+
+ t1 = T(days=1)
+ self.assertTrue(type(t1) is T)
+ self.assertEqual(t1.as_hours(), 24)
+
+ t2 = T(days=-1, seconds=-3600)
+ self.assertTrue(type(t2) is T)
+ self.assertEqual(t2.as_hours(), -25)
+
+ t3 = t1 + t2
+ self.assertTrue(type(t3) is timedelta)
+ t4 = T.from_td(t3)
+ self.assertTrue(type(t4) is T)
+ self.assertEqual(t3.days, t4.days)
+ self.assertEqual(t3.seconds, t4.seconds)
+ self.assertEqual(t3.microseconds, t4.microseconds)
+ self.assertEqual(str(t3), str(t4))
+ self.assertEqual(t4.as_hours(), -1)
+
+ def test_division(self):
+ t = timedelta(hours=1, minutes=24, seconds=19)
+ second = timedelta(seconds=1)
+ self.assertEqual(t / second, 5059.0)
+ self.assertEqual(t // second, 5059)
+
+ t = timedelta(minutes=2, seconds=30)
+ minute = timedelta(minutes=1)
+ self.assertEqual(t / minute, 2.5)
+ self.assertEqual(t // minute, 2)
+
+ zerotd = timedelta(0)
+ self.assertRaises(ZeroDivisionError, truediv, t, zerotd)
+ self.assertRaises(ZeroDivisionError, floordiv, t, zerotd)
+
+ # self.assertRaises(TypeError, truediv, t, 2)
+ # note: floor division of a timedelta by an integer *is*
+ # currently permitted.
+
+ def test_remainder(self):
+ t = timedelta(minutes=2, seconds=30)
+ minute = timedelta(minutes=1)
+ r = t % minute
+ self.assertEqual(r, timedelta(seconds=30))
+
+ t = timedelta(minutes=-2, seconds=30)
+ r = t % minute
+ self.assertEqual(r, timedelta(seconds=30))
+
+ zerotd = timedelta(0)
+ self.assertRaises(ZeroDivisionError, mod, t, zerotd)
+
+ self.assertRaises(TypeError, mod, t, 10)
+
+ def test_divmod(self):
+ t = timedelta(minutes=2, seconds=30)
+ minute = timedelta(minutes=1)
+ q, r = divmod(t, minute)
+ self.assertEqual(q, 2)
+ self.assertEqual(r, timedelta(seconds=30))
+
+ t = timedelta(minutes=-2, seconds=30)
+ q, r = divmod(t, minute)
+ self.assertEqual(q, -2)
+ self.assertEqual(r, timedelta(seconds=30))
+
+ zerotd = timedelta(0)
+ self.assertRaises(ZeroDivisionError, divmod, t, zerotd)
+
+ self.assertRaises(TypeError, divmod, t, 10)
+
+
+#############################################################################
+# date tests
+
+class TestDateOnly(unittest.TestCase):
+ # Tests here won't pass if also run on datetime objects, so don't
+ # subclass this to test datetimes too.
+
+ def test_delta_non_days_ignored(self):
+ dt = date(2000, 1, 2)
+ delta = timedelta(days=1, hours=2, minutes=3, seconds=4,
+ microseconds=5)
+ days = timedelta(delta.days)
+ self.assertEqual(days, timedelta(1))
+
+ dt2 = dt + delta
+ self.assertEqual(dt2, dt + days)
+
+ dt2 = delta + dt
+ self.assertEqual(dt2, dt + days)
+
+ dt2 = dt - delta
+ self.assertEqual(dt2, dt - days)
+
+ delta = -delta
+ days = timedelta(delta.days)
+ self.assertEqual(days, timedelta(-2))
+
+ dt2 = dt + delta
+ self.assertEqual(dt2, dt + days)
+
+ dt2 = delta + dt
+ self.assertEqual(dt2, dt + days)
+
+ dt2 = dt - delta
+ self.assertEqual(dt2, dt - days)
+
+class SubclassDate(date):
+ sub_var = 1
+
+class TestDate(HarmlessMixedComparison, unittest.TestCase):
+ # Tests here should pass for both dates and datetimes, except for a
+ # few tests that TestDateTime overrides.
+
+ theclass = date
+
+ def test_basic_attributes(self):
+ dt = self.theclass(2002, 3, 1)
+ self.assertEqual(dt.year, 2002)
+ self.assertEqual(dt.month, 3)
+ self.assertEqual(dt.day, 1)
+
+ def test_roundtrip(self):
+ for dt in (self.theclass(1, 2, 3),
+ self.theclass.today()):
+ # Verify dt -> string -> date identity.
+ s = repr(dt)
+ self.assertTrue(s.startswith('datetime.'))
+ s = s[9:]
+ dt2 = eval(s)
+ self.assertEqual(dt, dt2)
+
+ # Verify identity via reconstructing from pieces.
+ dt2 = self.theclass(dt.year, dt.month, dt.day)
+ self.assertEqual(dt, dt2)
+
+ def test_ordinal_conversions(self):
+ # Check some fixed values.
+ for y, m, d, n in [(1, 1, 1, 1), # calendar origin
+ (1, 12, 31, 365),
+ (2, 1, 1, 366),
+ # first example from "Calendrical Calculations"
+ (1945, 11, 12, 710347)]:
+ d = self.theclass(y, m, d)
+ self.assertEqual(n, d.toordinal())
+ fromord = self.theclass.fromordinal(n)
+ self.assertEqual(d, fromord)
+ if hasattr(fromord, "hour"):
+ # if we're checking something fancier than a date, verify
+ # the extra fields have been zeroed out
+ self.assertEqual(fromord.hour, 0)
+ self.assertEqual(fromord.minute, 0)
+ self.assertEqual(fromord.second, 0)
+ self.assertEqual(fromord.microsecond, 0)
+
+ # Check first and last days of year spottily across the whole
+ # range of years supported.
+ for year in range(MINYEAR, MAXYEAR+1, 7):
+ # Verify (year, 1, 1) -> ordinal -> y, m, d is identity.
+ d = self.theclass(year, 1, 1)
+ n = d.toordinal()
+ d2 = self.theclass.fromordinal(n)
+ self.assertEqual(d, d2)
+ # Verify that moving back a day gets to the end of year-1.
+ if year > 1:
+ d = self.theclass.fromordinal(n-1)
+ d2 = self.theclass(year-1, 12, 31)
+ self.assertEqual(d, d2)
+ self.assertEqual(d2.toordinal(), n-1)
+
+ # Test every day in a leap-year and a non-leap year.
+ dim = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+ for year, isleap in (2000, True), (2002, False):
+ n = self.theclass(year, 1, 1).toordinal()
+ for month, maxday in zip(range(1, 13), dim):
+ if month == 2 and isleap:
+ maxday += 1
+ for day in range(1, maxday+1):
+ d = self.theclass(year, month, day)
+ self.assertEqual(d.toordinal(), n)
+ self.assertEqual(d, self.theclass.fromordinal(n))
+ n += 1
+
+ def test_extreme_ordinals(self):
+ a = self.theclass.min
+ a = self.theclass(a.year, a.month, a.day) # get rid of time parts
+ aord = a.toordinal()
+ b = a.fromordinal(aord)
+ self.assertEqual(a, b)
+
+ self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))
+
+ b = a + timedelta(days=1)
+ self.assertEqual(b.toordinal(), aord + 1)
+ self.assertEqual(b, self.theclass.fromordinal(aord + 1))
+
+ a = self.theclass.max
+ a = self.theclass(a.year, a.month, a.day) # get rid of time parts
+ aord = a.toordinal()
+ b = a.fromordinal(aord)
+ self.assertEqual(a, b)
+
+ self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))
+
+ b = a - timedelta(days=1)
+ self.assertEqual(b.toordinal(), aord - 1)
+ self.assertEqual(b, self.theclass.fromordinal(aord - 1))
+
+ def test_bad_constructor_arguments(self):
+ # bad years
+ self.theclass(MINYEAR, 1, 1) # no exception
+ self.theclass(MAXYEAR, 1, 1) # no exception
+ self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1)
+ self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1)
+ # bad months
+ self.theclass(2000, 1, 1) # no exception
+ self.theclass(2000, 12, 1) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 0, 1)
+ self.assertRaises(ValueError, self.theclass, 2000, 13, 1)
+ # bad days
+ self.theclass(2000, 2, 29) # no exception
+ self.theclass(2004, 2, 29) # no exception
+ self.theclass(2400, 2, 29) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 2, 30)
+ self.assertRaises(ValueError, self.theclass, 2001, 2, 29)
+ self.assertRaises(ValueError, self.theclass, 2100, 2, 29)
+ self.assertRaises(ValueError, self.theclass, 1900, 2, 29)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 0)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 32)
+
+ def test_hash_equality(self):
+ d = self.theclass(2000, 12, 31)
+ # same thing
+ e = self.theclass(2000, 12, 31)
+ self.assertEqual(d, e)
+ self.assertEqual(hash(d), hash(e))
+
+ dic = {d: 1}
+ dic[e] = 2
+ self.assertEqual(len(dic), 1)
+ self.assertEqual(dic[d], 2)
+ self.assertEqual(dic[e], 2)
+
+ d = self.theclass(2001, 1, 1)
+ # same thing
+ e = self.theclass(2001, 1, 1)
+ self.assertEqual(d, e)
+ self.assertEqual(hash(d), hash(e))
+
+ dic = {d: 1}
+ dic[e] = 2
+ self.assertEqual(len(dic), 1)
+ self.assertEqual(dic[d], 2)
+ self.assertEqual(dic[e], 2)
+
+ def test_computations(self):
+ a = self.theclass(2002, 1, 31)
+ b = self.theclass(1956, 1, 31)
+ c = self.theclass(2001,2,1)
+
+ diff = a-b
+ self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4)))
+ self.assertEqual(diff.seconds, 0)
+ self.assertEqual(diff.microseconds, 0)
+
+ day = timedelta(1)
+ week = timedelta(7)
+ a = self.theclass(2002, 3, 2)
+ self.assertEqual(a + day, self.theclass(2002, 3, 3))
+ self.assertEqual(day + a, self.theclass(2002, 3, 3))
+ self.assertEqual(a - day, self.theclass(2002, 3, 1))
+ self.assertEqual(-day + a, self.theclass(2002, 3, 1))
+ self.assertEqual(a + week, self.theclass(2002, 3, 9))
+ self.assertEqual(a - week, self.theclass(2002, 2, 23))
+ self.assertEqual(a + 52*week, self.theclass(2003, 3, 1))
+ self.assertEqual(a - 52*week, self.theclass(2001, 3, 3))
+ self.assertEqual((a + week) - a, week)
+ self.assertEqual((a + day) - a, day)
+ self.assertEqual((a - week) - a, -week)
+ self.assertEqual((a - day) - a, -day)
+ self.assertEqual(a - (a + week), -week)
+ self.assertEqual(a - (a + day), -day)
+ self.assertEqual(a - (a - week), week)
+ self.assertEqual(a - (a - day), day)
+ self.assertEqual(c - (c - day), day)
+
+ # Add/sub ints or floats should be illegal
+ for i in 1, 1.0:
+ self.assertRaises(TypeError, lambda: a+i)
+ self.assertRaises(TypeError, lambda: a-i)
+ self.assertRaises(TypeError, lambda: i+a)
+ self.assertRaises(TypeError, lambda: i-a)
+
+ # delta - date is senseless.
+ self.assertRaises(TypeError, lambda: day - a)
+ # mixing date and (delta or date) via * or // is senseless
+ self.assertRaises(TypeError, lambda: day * a)
+ self.assertRaises(TypeError, lambda: a * day)
+ self.assertRaises(TypeError, lambda: day // a)
+ self.assertRaises(TypeError, lambda: a // day)
+ self.assertRaises(TypeError, lambda: a * a)
+ self.assertRaises(TypeError, lambda: a // a)
+ # date + date is senseless
+ self.assertRaises(TypeError, lambda: a + a)
+
+ def test_overflow(self):
+ tiny = self.theclass.resolution
+
+ for delta in [tiny, timedelta(1), timedelta(2)]:
+ dt = self.theclass.min + delta
+ dt -= delta # no problem
+ self.assertRaises(OverflowError, dt.__sub__, delta)
+ self.assertRaises(OverflowError, dt.__add__, -delta)
+
+ dt = self.theclass.max - delta
+ dt += delta # no problem
+ self.assertRaises(OverflowError, dt.__add__, delta)
+ self.assertRaises(OverflowError, dt.__sub__, -delta)
+
+ def test_fromtimestamp(self):
+ import time
+
+ # Try an arbitrary fixed value.
+ year, month, day = 1999, 9, 19
+ ts = time.mktime((year, month, day, 0, 0, 0, 0, 0, -1))
+ d = self.theclass.fromtimestamp(ts)
+ self.assertEqual(d.year, year)
+ self.assertEqual(d.month, month)
+ self.assertEqual(d.day, day)
+
+ def test_insane_fromtimestamp(self):
+ # It's possible that some platform maps time_t to double,
+ # and that this test will fail there. This test should
+ # exempt such platforms (provided they return reasonable
+ # results!).
+ for insane in -1e200, 1e200:
+ self.assertRaises(ValueError, self.theclass.fromtimestamp,
+ insane)
+
+ def test_today(self):
+ import time
+
+ # We claim that today() is like fromtimestamp(time.time()), so
+ # prove it.
+ for dummy in range(3):
+ today = self.theclass.today()
+ ts = time.time()
+ todayagain = self.theclass.fromtimestamp(ts)
+ if today == todayagain:
+ break
+ # There are several legit reasons that could fail:
+ # 1. It recently became midnight, between the today() and the
+ # time() calls.
+ # 2. The platform time() has such fine resolution that we'll
+ # never get the same value twice.
+ # 3. The platform time() has poor resolution, and we just
+ # happened to call today() right before a resolution quantum
+ # boundary.
+ # 4. The system clock got fiddled between calls.
+ # In any case, wait a little while and try again.
+ time.sleep(0.1)
+
+ # It worked or it didn't. If it didn't, assume it's reason #2, and
+ # let the test pass if they're within half a second of each other.
+ self.assertTrue(today == todayagain or
+ abs(todayagain - today) < timedelta(seconds=0.5))
+
+ def test_weekday(self):
+ for i in range(7):
+ # March 4, 2002 is a Monday
+ self.assertEqual(self.theclass(2002, 3, 4+i).weekday(), i)
+ self.assertEqual(self.theclass(2002, 3, 4+i).isoweekday(), i+1)
+ # January 2, 1956 is a Monday
+ self.assertEqual(self.theclass(1956, 1, 2+i).weekday(), i)
+ self.assertEqual(self.theclass(1956, 1, 2+i).isoweekday(), i+1)
+
+ def test_isocalendar(self):
+ # Check examples from
+ # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
+ for i in range(7):
+ d = self.theclass(2003, 12, 22+i)
+ self.assertEqual(d.isocalendar(), (2003, 52, i+1))
+ d = self.theclass(2003, 12, 29) + timedelta(i)
+ self.assertEqual(d.isocalendar(), (2004, 1, i+1))
+ d = self.theclass(2004, 1, 5+i)
+ self.assertEqual(d.isocalendar(), (2004, 2, i+1))
+ d = self.theclass(2009, 12, 21+i)
+ self.assertEqual(d.isocalendar(), (2009, 52, i+1))
+ d = self.theclass(2009, 12, 28) + timedelta(i)
+ self.assertEqual(d.isocalendar(), (2009, 53, i+1))
+ d = self.theclass(2010, 1, 4+i)
+ self.assertEqual(d.isocalendar(), (2010, 1, i+1))
+
+ def test_iso_long_years(self):
+ # Calculate long ISO years and compare to table from
+ # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
+ ISO_LONG_YEARS_TABLE = """
+ 4 32 60 88
+ 9 37 65 93
+ 15 43 71 99
+ 20 48 76
+ 26 54 82
+
+ 105 133 161 189
+ 111 139 167 195
+ 116 144 172
+ 122 150 178
+ 128 156 184
+
+ 201 229 257 285
+ 207 235 263 291
+ 212 240 268 296
+ 218 246 274
+ 224 252 280
+
+ 303 331 359 387
+ 308 336 364 392
+ 314 342 370 398
+ 320 348 376
+ 325 353 381
+ """
+ iso_long_years = sorted(map(int, ISO_LONG_YEARS_TABLE.split()))
+ L = []
+ for i in range(400):
+ d = self.theclass(2000+i, 12, 31)
+ d1 = self.theclass(1600+i, 12, 31)
+ self.assertEqual(d.isocalendar()[1:], d1.isocalendar()[1:])
+ if d.isocalendar()[1] == 53:
+ L.append(i)
+ self.assertEqual(L, iso_long_years)
+
+ def test_isoformat(self):
+ t = self.theclass(2, 3, 2)
+ self.assertEqual(t.isoformat(), "0002-03-02")
+
+ def test_ctime(self):
+ t = self.theclass(2002, 3, 2)
+ self.assertEqual(t.ctime(), "Sat Mar 2 00:00:00 2002")
+
+ def test_strftime(self):
+ t = self.theclass(2005, 3, 2)
+ self.assertEqual(t.strftime("m:%m d:%d y:%y"), "m:03 d:02 y:05")
+ self.assertEqual(t.strftime(""), "") # SF bug #761337
+ self.assertEqual(t.strftime('x'*1000), 'x'*1000) # SF bug #1556784
+
+ self.assertRaises(TypeError, t.strftime) # needs an arg
+ self.assertRaises(TypeError, t.strftime, "one", "two") # too many args
+ self.assertRaises(TypeError, t.strftime, 42) # arg wrong type
+
+ # test that unicode input is allowed (issue 2782)
+ self.assertEqual(t.strftime("%m"), "03")
+
+ # A naive object replaces %z and %Z w/ empty strings.
+ self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")
+
+ #make sure that invalid format specifiers are handled correctly
+ #self.assertRaises(ValueError, t.strftime, "%e")
+ #self.assertRaises(ValueError, t.strftime, "%")
+ #self.assertRaises(ValueError, t.strftime, "%#")
+
+ #oh well, some systems just ignore those invalid ones.
+ #at least, excercise them to make sure that no crashes
+ #are generated
+ for f in ["%e", "%", "%#"]:
+ try:
+ t.strftime(f)
+ except ValueError:
+ pass
+
+ #check that this standard extension works
+ t.strftime("%f")
+
+
+ def test_format(self):
+ dt = self.theclass(2007, 9, 10)
+ self.assertEqual(dt.__format__(''), str(dt))
+
+ # check that a derived class's __str__() gets called
+ class A(self.theclass):
+ def __str__(self):
+ return 'A'
+ a = A(2007, 9, 10)
+ self.assertEqual(a.__format__(''), 'A')
+
+ # check that a derived class's strftime gets called
+ class B(self.theclass):
+ def strftime(self, format_spec):
+ return 'B'
+ b = B(2007, 9, 10)
+ self.assertEqual(b.__format__(''), str(dt))
+
+ for fmt in ["m:%m d:%d y:%y",
+ "m:%m d:%d y:%y H:%H M:%M S:%S",
+ "%z %Z",
+ ]:
+ self.assertEqual(dt.__format__(fmt), dt.strftime(fmt))
+ self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
+ self.assertEqual(b.__format__(fmt), 'B')
+
+ def test_resolution_info(self):
+ # XXX: Should min and max respect subclassing?
+ if issubclass(self.theclass, datetime):
+ expected_class = datetime
+ else:
+ expected_class = date
+ self.assertIsInstance(self.theclass.min, expected_class)
+ self.assertIsInstance(self.theclass.max, expected_class)
+ self.assertIsInstance(self.theclass.resolution, timedelta)
+ self.assertTrue(self.theclass.max > self.theclass.min)
+
+ def test_extreme_timedelta(self):
+ big = self.theclass.max - self.theclass.min
+ # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds
+ n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds
+ # n == 315537897599999999 ~= 2**58.13
+ justasbig = timedelta(0, 0, n)
+ self.assertEqual(big, justasbig)
+ self.assertEqual(self.theclass.min + big, self.theclass.max)
+ self.assertEqual(self.theclass.max - big, self.theclass.min)
+
+ def test_timetuple(self):
+ for i in range(7):
+ # January 2, 1956 is a Monday (0)
+ d = self.theclass(1956, 1, 2+i)
+ t = d.timetuple()
+ self.assertEqual(t, (1956, 1, 2+i, 0, 0, 0, i, 2+i, -1))
+ # February 1, 1956 is a Wednesday (2)
+ d = self.theclass(1956, 2, 1+i)
+ t = d.timetuple()
+ self.assertEqual(t, (1956, 2, 1+i, 0, 0, 0, (2+i)%7, 32+i, -1))
+ # March 1, 1956 is a Thursday (3), and is the 31+29+1 = 61st day
+ # of the year.
+ d = self.theclass(1956, 3, 1+i)
+ t = d.timetuple()
+ self.assertEqual(t, (1956, 3, 1+i, 0, 0, 0, (3+i)%7, 61+i, -1))
+ self.assertEqual(t.tm_year, 1956)
+ self.assertEqual(t.tm_mon, 3)
+ self.assertEqual(t.tm_mday, 1+i)
+ self.assertEqual(t.tm_hour, 0)
+ self.assertEqual(t.tm_min, 0)
+ self.assertEqual(t.tm_sec, 0)
+ self.assertEqual(t.tm_wday, (3+i)%7)
+ self.assertEqual(t.tm_yday, 61+i)
+ self.assertEqual(t.tm_isdst, -1)
+
+ def test_pickling(self):
+ args = 6, 7, 23
+ orig = self.theclass(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_compare(self):
+ t1 = self.theclass(2, 3, 4)
+ t2 = self.theclass(2, 3, 4)
+ self.assertEqual(t1, t2)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t1 >= t2)
+ self.assertTrue(not t1 != t2)
+ self.assertTrue(not t1 < t2)
+ self.assertTrue(not t1 > t2)
+
+ for args in (3, 3, 3), (2, 4, 4), (2, 3, 5):
+ t2 = self.theclass(*args) # this is larger than t1
+ self.assertTrue(t1 < t2)
+ self.assertTrue(t2 > t1)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t2 >= t1)
+ self.assertTrue(t1 != t2)
+ self.assertTrue(t2 != t1)
+ self.assertTrue(not t1 == t2)
+ self.assertTrue(not t2 == t1)
+ self.assertTrue(not t1 > t2)
+ self.assertTrue(not t2 < t1)
+ self.assertTrue(not t1 >= t2)
+ self.assertTrue(not t2 <= t1)
+
+ for badarg in OTHERSTUFF:
+ self.assertEqual(t1 == badarg, False)
+ self.assertEqual(t1 != badarg, True)
+ self.assertEqual(badarg == t1, False)
+ self.assertEqual(badarg != t1, True)
+
+ self.assertRaises(TypeError, lambda: t1 < badarg)
+ self.assertRaises(TypeError, lambda: t1 > badarg)
+ self.assertRaises(TypeError, lambda: t1 >= badarg)
+ self.assertRaises(TypeError, lambda: badarg <= t1)
+ self.assertRaises(TypeError, lambda: badarg < t1)
+ self.assertRaises(TypeError, lambda: badarg > t1)
+ self.assertRaises(TypeError, lambda: badarg >= t1)
+
+ def test_mixed_compare(self):
+ our = self.theclass(2000, 4, 5)
+
+ # Our class can be compared for equality to other classes
+ self.assertEqual(our == 1, False)
+ self.assertEqual(1 == our, False)
+ self.assertEqual(our != 1, True)
+ self.assertEqual(1 != our, True)
+
+ # But the ordering is undefined
+ self.assertRaises(TypeError, lambda: our < 1)
+ self.assertRaises(TypeError, lambda: 1 < our)
+
+ # Repeat those tests with a different class
+
+ class SomeClass:
+ pass
+
+ their = SomeClass()
+ self.assertEqual(our == their, False)
+ self.assertEqual(their == our, False)
+ self.assertEqual(our != their, True)
+ self.assertEqual(their != our, True)
+ self.assertRaises(TypeError, lambda: our < their)
+ self.assertRaises(TypeError, lambda: their < our)
+
+ # However, if the other class explicitly defines ordering
+ # relative to our class, it is allowed to do so
+
+ class LargerThanAnything:
+ def __lt__(self, other):
+ return False
+ def __le__(self, other):
+ return isinstance(other, LargerThanAnything)
+ def __eq__(self, other):
+ return isinstance(other, LargerThanAnything)
+ def __ne__(self, other):
+ return not isinstance(other, LargerThanAnything)
+ def __gt__(self, other):
+ return not isinstance(other, LargerThanAnything)
+ def __ge__(self, other):
+ return True
+
+ their = LargerThanAnything()
+ self.assertEqual(our == their, False)
+ self.assertEqual(their == our, False)
+ self.assertEqual(our != their, True)
+ self.assertEqual(their != our, True)
+ self.assertEqual(our < their, True)
+ self.assertEqual(their < our, False)
+
+ def test_bool(self):
+ # All dates are considered true.
+ self.assertTrue(self.theclass.min)
+ self.assertTrue(self.theclass.max)
+
+ def test_strftime_out_of_range(self):
+ # For nasty technical reasons, we can't handle years before 1900.
+ cls = self.theclass
+ self.assertEqual(cls(1900, 1, 1).strftime("%Y"), "1900")
+ for y in 1, 49, 51, 99, 100, 1000, 1899:
+ self.assertRaises(ValueError, cls(y, 1, 1).strftime, "%Y")
+
+ def test_replace(self):
+ cls = self.theclass
+ args = [1, 2, 3]
+ base = cls(*args)
+ self.assertEqual(base, base.replace())
+
+ i = 0
+ for name, newval in (("year", 2),
+ ("month", 3),
+ ("day", 4)):
+ newargs = args[:]
+ newargs[i] = newval
+ expected = cls(*newargs)
+ got = base.replace(**{name: newval})
+ self.assertEqual(expected, got)
+ i += 1
+
+ # Out of bounds.
+ base = cls(2000, 2, 29)
+ self.assertRaises(ValueError, base.replace, year=2001)
+
+ def test_subclass_date(self):
+
+ class C(self.theclass):
+ theAnswer = 42
+
+ def __new__(cls, *args, **kws):
+ temp = kws.copy()
+ extra = temp.pop('extra')
+ result = self.theclass.__new__(cls, *args, **temp)
+ result.extra = extra
+ return result
+
+ def newmeth(self, start):
+ return start + self.year + self.month
+
+ args = 2003, 4, 14
+
+ dt1 = self.theclass(*args)
+ dt2 = C(*args, **{'extra': 7})
+
+ self.assertEqual(dt2.__class__, C)
+ self.assertEqual(dt2.theAnswer, 42)
+ self.assertEqual(dt2.extra, 7)
+ self.assertEqual(dt1.toordinal(), dt2.toordinal())
+ self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month - 7)
+
+ def test_pickling_subclass_date(self):
+
+ args = 6, 7, 23
+ orig = SubclassDate(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_backdoor_resistance(self):
+ # For fast unpickling, the constructor accepts a pickle byte string.
+ # This is a low-overhead backdoor. A user can (by intent or
+ # mistake) pass a string directly, which (if it's the right length)
+ # will get treated like a pickle, and bypass the normal sanity
+ # checks in the constructor. This can create insane objects.
+ # The constructor doesn't want to burn the time to validate all
+ # fields, but does check the month field. This stops, e.g.,
+ # datetime.datetime('1995-03-25') from yielding an insane object.
+ base = b'1995-03-25'
+ if not issubclass(self.theclass, datetime):
+ base = base[:4]
+ for month_byte in b'9', b'\0', b'\r', b'\xff':
+ self.assertRaises(TypeError, self.theclass,
+ base[:2] + month_byte + base[3:])
+ # Good bytes, but bad tzinfo:
+ self.assertRaises(TypeError, self.theclass,
+ bytes([1] * len(base)), 'EST')
+
+ for ord_byte in range(1, 13):
+ # This shouldn't blow up because of the month byte alone. If
+ # the implementation changes to do more-careful checking, it may
+ # blow up because other fields are insane.
+ self.theclass(base[:2] + bytes([ord_byte]) + base[3:])
+
+#############################################################################
+# datetime tests
+
+class SubclassDatetime(datetime):
+ sub_var = 1
+
+class TestDateTime(TestDate):
+
+ theclass = datetime
+
+ def test_basic_attributes(self):
+ dt = self.theclass(2002, 3, 1, 12, 0)
+ self.assertEqual(dt.year, 2002)
+ self.assertEqual(dt.month, 3)
+ self.assertEqual(dt.day, 1)
+ self.assertEqual(dt.hour, 12)
+ self.assertEqual(dt.minute, 0)
+ self.assertEqual(dt.second, 0)
+ self.assertEqual(dt.microsecond, 0)
+
+ def test_basic_attributes_nonzero(self):
+ # Make sure all attributes are non-zero so bugs in
+ # bit-shifting access show up.
+ dt = self.theclass(2002, 3, 1, 12, 59, 59, 8000)
+ self.assertEqual(dt.year, 2002)
+ self.assertEqual(dt.month, 3)
+ self.assertEqual(dt.day, 1)
+ self.assertEqual(dt.hour, 12)
+ self.assertEqual(dt.minute, 59)
+ self.assertEqual(dt.second, 59)
+ self.assertEqual(dt.microsecond, 8000)
+
+ def test_roundtrip(self):
+ for dt in (self.theclass(1, 2, 3, 4, 5, 6, 7),
+ self.theclass.now()):
+ # Verify dt -> string -> datetime identity.
+ s = repr(dt)
+ self.assertTrue(s.startswith('datetime.'))
+ s = s[9:]
+ dt2 = eval(s)
+ self.assertEqual(dt, dt2)
+
+ # Verify identity via reconstructing from pieces.
+ dt2 = self.theclass(dt.year, dt.month, dt.day,
+ dt.hour, dt.minute, dt.second,
+ dt.microsecond)
+ self.assertEqual(dt, dt2)
+
+ def test_isoformat(self):
+ t = self.theclass(2, 3, 2, 4, 5, 1, 123)
+ self.assertEqual(t.isoformat(), "0002-03-02T04:05:01.000123")
+ self.assertEqual(t.isoformat('T'), "0002-03-02T04:05:01.000123")
+ self.assertEqual(t.isoformat(' '), "0002-03-02 04:05:01.000123")
+ self.assertEqual(t.isoformat('\x00'), "0002-03-02\x0004:05:01.000123")
+ # str is ISO format with the separator forced to a blank.
+ self.assertEqual(str(t), "0002-03-02 04:05:01.000123")
+
+ t = self.theclass(2, 3, 2)
+ self.assertEqual(t.isoformat(), "0002-03-02T00:00:00")
+ self.assertEqual(t.isoformat('T'), "0002-03-02T00:00:00")
+ self.assertEqual(t.isoformat(' '), "0002-03-02 00:00:00")
+ # str is ISO format with the separator forced to a blank.
+ self.assertEqual(str(t), "0002-03-02 00:00:00")
+
+ def test_format(self):
+ dt = self.theclass(2007, 9, 10, 4, 5, 1, 123)
+ self.assertEqual(dt.__format__(''), str(dt))
+
+ # check that a derived class's __str__() gets called
+ class A(self.theclass):
+ def __str__(self):
+ return 'A'
+ a = A(2007, 9, 10, 4, 5, 1, 123)
+ self.assertEqual(a.__format__(''), 'A')
+
+ # check that a derived class's strftime gets called
+ class B(self.theclass):
+ def strftime(self, format_spec):
+ return 'B'
+ b = B(2007, 9, 10, 4, 5, 1, 123)
+ self.assertEqual(b.__format__(''), str(dt))
+
+ for fmt in ["m:%m d:%d y:%y",
+ "m:%m d:%d y:%y H:%H M:%M S:%S",
+ "%z %Z",
+ ]:
+ self.assertEqual(dt.__format__(fmt), dt.strftime(fmt))
+ self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
+ self.assertEqual(b.__format__(fmt), 'B')
+
+ def test_more_ctime(self):
+ # Test fields that TestDate doesn't touch.
+ import time
+
+ t = self.theclass(2002, 3, 2, 18, 3, 5, 123)
+ self.assertEqual(t.ctime(), "Sat Mar 2 18:03:05 2002")
+ # Oops! The next line fails on Win2K under MSVC 6, so it's commented
+ # out. The difference is that t.ctime() produces " 2" for the day,
+ # but platform ctime() produces "02" for the day. According to
+ # C99, t.ctime() is correct here.
+ # self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple())))
+
+ # So test a case where that difference doesn't matter.
+ t = self.theclass(2002, 3, 22, 18, 3, 5, 123)
+ self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple())))
+
+ def test_tz_independent_comparing(self):
+ dt1 = self.theclass(2002, 3, 1, 9, 0, 0)
+ dt2 = self.theclass(2002, 3, 1, 10, 0, 0)
+ dt3 = self.theclass(2002, 3, 1, 9, 0, 0)
+ self.assertEqual(dt1, dt3)
+ self.assertTrue(dt2 > dt3)
+
+ # Make sure comparison doesn't forget microseconds, and isn't done
+ # via comparing a float timestamp (an IEEE double doesn't have enough
+ # precision to span microsecond resolution across years 1 thru 9999,
+ # so comparing via timestamp necessarily calls some distinct values
+ # equal).
+ dt1 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999998)
+ us = timedelta(microseconds=1)
+ dt2 = dt1 + us
+ self.assertEqual(dt2 - dt1, us)
+ self.assertTrue(dt1 < dt2)
+
+ def test_strftime_with_bad_tzname_replace(self):
+ # verify ok if tzinfo.tzname().replace() returns a non-string
+ class MyTzInfo(FixedOffset):
+ def tzname(self, dt):
+ class MyStr(str):
+ def replace(self, *args):
+ return None
+ return MyStr('name')
+ t = self.theclass(2005, 3, 2, 0, 0, 0, 0, MyTzInfo(3, 'name'))
+ self.assertRaises(TypeError, t.strftime, '%Z')
+
+ def test_bad_constructor_arguments(self):
+ # bad years
+ self.theclass(MINYEAR, 1, 1) # no exception
+ self.theclass(MAXYEAR, 1, 1) # no exception
+ self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1)
+ self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1)
+ # bad months
+ self.theclass(2000, 1, 1) # no exception
+ self.theclass(2000, 12, 1) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 0, 1)
+ self.assertRaises(ValueError, self.theclass, 2000, 13, 1)
+ # bad days
+ self.theclass(2000, 2, 29) # no exception
+ self.theclass(2004, 2, 29) # no exception
+ self.theclass(2400, 2, 29) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 2, 30)
+ self.assertRaises(ValueError, self.theclass, 2001, 2, 29)
+ self.assertRaises(ValueError, self.theclass, 2100, 2, 29)
+ self.assertRaises(ValueError, self.theclass, 1900, 2, 29)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 0)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 32)
+ # bad hours
+ self.theclass(2000, 1, 31, 0) # no exception
+ self.theclass(2000, 1, 31, 23) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 31, -1)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 24)
+ # bad minutes
+ self.theclass(2000, 1, 31, 23, 0) # no exception
+ self.theclass(2000, 1, 31, 23, 59) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, -1)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 60)
+ # bad seconds
+ self.theclass(2000, 1, 31, 23, 59, 0) # no exception
+ self.theclass(2000, 1, 31, 23, 59, 59) # no exception
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, -1)
+ self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, 60)
+ # bad microseconds
+ self.theclass(2000, 1, 31, 23, 59, 59, 0) # no exception
+ self.theclass(2000, 1, 31, 23, 59, 59, 999999) # no exception
+ self.assertRaises(ValueError, self.theclass,
+ 2000, 1, 31, 23, 59, 59, -1)
+ self.assertRaises(ValueError, self.theclass,
+ 2000, 1, 31, 23, 59, 59,
+ 1000000)
+
+ def test_hash_equality(self):
+ d = self.theclass(2000, 12, 31, 23, 30, 17)
+ e = self.theclass(2000, 12, 31, 23, 30, 17)
+ self.assertEqual(d, e)
+ self.assertEqual(hash(d), hash(e))
+
+ dic = {d: 1}
+ dic[e] = 2
+ self.assertEqual(len(dic), 1)
+ self.assertEqual(dic[d], 2)
+ self.assertEqual(dic[e], 2)
+
+ d = self.theclass(2001, 1, 1, 0, 5, 17)
+ e = self.theclass(2001, 1, 1, 0, 5, 17)
+ self.assertEqual(d, e)
+ self.assertEqual(hash(d), hash(e))
+
+ dic = {d: 1}
+ dic[e] = 2
+ self.assertEqual(len(dic), 1)
+ self.assertEqual(dic[d], 2)
+ self.assertEqual(dic[e], 2)
+
+ def test_computations(self):
+ a = self.theclass(2002, 1, 31)
+ b = self.theclass(1956, 1, 31)
+ diff = a-b
+ self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4)))
+ self.assertEqual(diff.seconds, 0)
+ self.assertEqual(diff.microseconds, 0)
+ a = self.theclass(2002, 3, 2, 17, 6)
+ millisec = timedelta(0, 0, 1000)
+ hour = timedelta(0, 3600)
+ day = timedelta(1)
+ week = timedelta(7)
+ self.assertEqual(a + hour, self.theclass(2002, 3, 2, 18, 6))
+ self.assertEqual(hour + a, self.theclass(2002, 3, 2, 18, 6))
+ self.assertEqual(a + 10*hour, self.theclass(2002, 3, 3, 3, 6))
+ self.assertEqual(a - hour, self.theclass(2002, 3, 2, 16, 6))
+ self.assertEqual(-hour + a, self.theclass(2002, 3, 2, 16, 6))
+ self.assertEqual(a - hour, a + -hour)
+ self.assertEqual(a - 20*hour, self.theclass(2002, 3, 1, 21, 6))
+ self.assertEqual(a + day, self.theclass(2002, 3, 3, 17, 6))
+ self.assertEqual(a - day, self.theclass(2002, 3, 1, 17, 6))
+ self.assertEqual(a + week, self.theclass(2002, 3, 9, 17, 6))
+ self.assertEqual(a - week, self.theclass(2002, 2, 23, 17, 6))
+ self.assertEqual(a + 52*week, self.theclass(2003, 3, 1, 17, 6))
+ self.assertEqual(a - 52*week, self.theclass(2001, 3, 3, 17, 6))
+ self.assertEqual((a + week) - a, week)
+ self.assertEqual((a + day) - a, day)
+ self.assertEqual((a + hour) - a, hour)
+ self.assertEqual((a + millisec) - a, millisec)
+ self.assertEqual((a - week) - a, -week)
+ self.assertEqual((a - day) - a, -day)
+ self.assertEqual((a - hour) - a, -hour)
+ self.assertEqual((a - millisec) - a, -millisec)
+ self.assertEqual(a - (a + week), -week)
+ self.assertEqual(a - (a + day), -day)
+ self.assertEqual(a - (a + hour), -hour)
+ self.assertEqual(a - (a + millisec), -millisec)
+ self.assertEqual(a - (a - week), week)
+ self.assertEqual(a - (a - day), day)
+ self.assertEqual(a - (a - hour), hour)
+ self.assertEqual(a - (a - millisec), millisec)
+ self.assertEqual(a + (week + day + hour + millisec),
+ self.theclass(2002, 3, 10, 18, 6, 0, 1000))
+ self.assertEqual(a + (week + day + hour + millisec),
+ (((a + week) + day) + hour) + millisec)
+ self.assertEqual(a - (week + day + hour + millisec),
+ self.theclass(2002, 2, 22, 16, 5, 59, 999000))
+ self.assertEqual(a - (week + day + hour + millisec),
+ (((a - week) - day) - hour) - millisec)
+ # Add/sub ints or floats should be illegal
+ for i in 1, 1.0:
+ self.assertRaises(TypeError, lambda: a+i)
+ self.assertRaises(TypeError, lambda: a-i)
+ self.assertRaises(TypeError, lambda: i+a)
+ self.assertRaises(TypeError, lambda: i-a)
+
+ # delta - datetime is senseless.
+ self.assertRaises(TypeError, lambda: day - a)
+ # mixing datetime and (delta or datetime) via * or // is senseless
+ self.assertRaises(TypeError, lambda: day * a)
+ self.assertRaises(TypeError, lambda: a * day)
+ self.assertRaises(TypeError, lambda: day // a)
+ self.assertRaises(TypeError, lambda: a // day)
+ self.assertRaises(TypeError, lambda: a * a)
+ self.assertRaises(TypeError, lambda: a // a)
+ # datetime + datetime is senseless
+ self.assertRaises(TypeError, lambda: a + a)
+
+ def test_pickling(self):
+ args = 6, 7, 23, 20, 59, 1, 64**2
+ orig = self.theclass(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_more_pickling(self):
+ a = self.theclass(2003, 2, 7, 16, 48, 37, 444116)
+ s = pickle.dumps(a)
+ b = pickle.loads(s)
+ self.assertEqual(b.year, 2003)
+ self.assertEqual(b.month, 2)
+ self.assertEqual(b.day, 7)
+
+ def test_pickling_subclass_datetime(self):
+ args = 6, 7, 23, 20, 59, 1, 64**2
+ orig = SubclassDatetime(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_more_compare(self):
+ # The test_compare() inherited from TestDate covers the error cases.
+ # We just want to test lexicographic ordering on the members datetime
+ # has that date lacks.
+ args = [2000, 11, 29, 20, 58, 16, 999998]
+ t1 = self.theclass(*args)
+ t2 = self.theclass(*args)
+ self.assertEqual(t1, t2)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t1 >= t2)
+ self.assertTrue(not t1 != t2)
+ self.assertTrue(not t1 < t2)
+ self.assertTrue(not t1 > t2)
+
+ for i in range(len(args)):
+ newargs = args[:]
+ newargs[i] = args[i] + 1
+ t2 = self.theclass(*newargs) # this is larger than t1
+ self.assertTrue(t1 < t2)
+ self.assertTrue(t2 > t1)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t2 >= t1)
+ self.assertTrue(t1 != t2)
+ self.assertTrue(t2 != t1)
+ self.assertTrue(not t1 == t2)
+ self.assertTrue(not t2 == t1)
+ self.assertTrue(not t1 > t2)
+ self.assertTrue(not t2 < t1)
+ self.assertTrue(not t1 >= t2)
+ self.assertTrue(not t2 <= t1)
+
+
+ # A helper for timestamp constructor tests.
+ def verify_field_equality(self, expected, got):
+ self.assertEqual(expected.tm_year, got.year)
+ self.assertEqual(expected.tm_mon, got.month)
+ self.assertEqual(expected.tm_mday, got.day)
+ self.assertEqual(expected.tm_hour, got.hour)
+ self.assertEqual(expected.tm_min, got.minute)
+ self.assertEqual(expected.tm_sec, got.second)
+
+ def test_fromtimestamp(self):
+ import time
+
+ ts = time.time()
+ expected = time.localtime(ts)
+ got = self.theclass.fromtimestamp(ts)
+ self.verify_field_equality(expected, got)
+
+ def test_utcfromtimestamp(self):
+ import time
+
+ ts = time.time()
+ expected = time.gmtime(ts)
+ got = self.theclass.utcfromtimestamp(ts)
+ self.verify_field_equality(expected, got)
+
+ def test_microsecond_rounding(self):
+ # Test whether fromtimestamp "rounds up" floats that are less
+ # than one microsecond smaller than an integer.
+ self.assertEqual(self.theclass.fromtimestamp(0.9999999),
+ self.theclass.fromtimestamp(1))
+
+ def test_insane_fromtimestamp(self):
+ # It's possible that some platform maps time_t to double,
+ # and that this test will fail there. This test should
+ # exempt such platforms (provided they return reasonable
+ # results!).
+ for insane in -1e200, 1e200:
+ self.assertRaises(ValueError, self.theclass.fromtimestamp,
+ insane)
+
+ def test_insane_utcfromtimestamp(self):
+ # It's possible that some platform maps time_t to double,
+ # and that this test will fail there. This test should
+ # exempt such platforms (provided they return reasonable
+ # results!).
+ for insane in -1e200, 1e200:
+ self.assertRaises(ValueError, self.theclass.utcfromtimestamp,
+ insane)
+ @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
+ def test_negative_float_fromtimestamp(self):
+ # The result is tz-dependent; at least test that this doesn't
+ # fail (like it did before bug 1646728 was fixed).
+ self.theclass.fromtimestamp(-1.05)
+
+ @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
+ def test_negative_float_utcfromtimestamp(self):
+ d = self.theclass.utcfromtimestamp(-1.05)
+ self.assertEqual(d, self.theclass(1969, 12, 31, 23, 59, 58, 950000))
+
+ def test_utcnow(self):
+ import time
+
+ # Call it a success if utcnow() and utcfromtimestamp() are within
+ # a second of each other.
+ tolerance = timedelta(seconds=1)
+ for dummy in range(3):
+ from_now = self.theclass.utcnow()
+ from_timestamp = self.theclass.utcfromtimestamp(time.time())
+ if abs(from_timestamp - from_now) <= tolerance:
+ break
+ # Else try again a few times.
+ self.assertTrue(abs(from_timestamp - from_now) <= tolerance)
+
+ def test_strptime(self):
+ import _strptime
+
+ string = '2004-12-01 13:02:47.197'
+ format = '%Y-%m-%d %H:%M:%S.%f'
+ expected = _strptime._strptime_datetime(self.theclass, string, format)
+ got = self.theclass.strptime(string, format)
+ self.assertEqual(expected, got)
+ self.assertIs(type(expected), self.theclass)
+ self.assertIs(type(got), self.theclass)
+
+ strptime = self.theclass.strptime
+ self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE)
+ self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE)
+ # Only local timezone and UTC are supported
+ for tzseconds, tzname in ((0, 'UTC'), (0, 'GMT'),
+ (-_time.timezone, _time.tzname[0])):
+ if tzseconds < 0:
+ sign = '-'
+ seconds = -tzseconds
+ else:
+ sign ='+'
+ seconds = tzseconds
+ hours, minutes = divmod(seconds//60, 60)
+ dtstr = "{}{:02d}{:02d} {}".format(sign, hours, minutes, tzname)
+ dt = strptime(dtstr, "%z %Z")
+ self.assertEqual(dt.utcoffset(), timedelta(seconds=tzseconds))
+ self.assertEqual(dt.tzname(), tzname)
+ # Can produce inconsistent datetime
+ dtstr, fmt = "+1234 UTC", "%z %Z"
+ dt = strptime(dtstr, fmt)
+ self.assertEqual(dt.utcoffset(), 12 * HOUR + 34 * MINUTE)
+ self.assertEqual(dt.tzname(), 'UTC')
+ # yet will roundtrip
+ self.assertEqual(dt.strftime(fmt), dtstr)
+
+ # Produce naive datetime if no %z is provided
+ self.assertEqual(strptime("UTC", "%Z").tzinfo, None)
+
+ with self.assertRaises(ValueError): strptime("-2400", "%z")
+ with self.assertRaises(ValueError): strptime("-000", "%z")
+
+ def test_more_timetuple(self):
+ # This tests fields beyond those tested by the TestDate.test_timetuple.
+ t = self.theclass(2004, 12, 31, 6, 22, 33)
+ self.assertEqual(t.timetuple(), (2004, 12, 31, 6, 22, 33, 4, 366, -1))
+ self.assertEqual(t.timetuple(),
+ (t.year, t.month, t.day,
+ t.hour, t.minute, t.second,
+ t.weekday(),
+ t.toordinal() - date(t.year, 1, 1).toordinal() + 1,
+ -1))
+ tt = t.timetuple()
+ self.assertEqual(tt.tm_year, t.year)
+ self.assertEqual(tt.tm_mon, t.month)
+ self.assertEqual(tt.tm_mday, t.day)
+ self.assertEqual(tt.tm_hour, t.hour)
+ self.assertEqual(tt.tm_min, t.minute)
+ self.assertEqual(tt.tm_sec, t.second)
+ self.assertEqual(tt.tm_wday, t.weekday())
+ self.assertEqual(tt.tm_yday, t.toordinal() -
+ date(t.year, 1, 1).toordinal() + 1)
+ self.assertEqual(tt.tm_isdst, -1)
+
+ def test_more_strftime(self):
+ # This tests fields beyond those tested by the TestDate.test_strftime.
+ t = self.theclass(2004, 12, 31, 6, 22, 33, 47)
+ self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"),
+ "12 31 04 000047 33 22 06 366")
+
+ def test_extract(self):
+ dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
+ self.assertEqual(dt.date(), date(2002, 3, 4))
+ self.assertEqual(dt.time(), time(18, 45, 3, 1234))
+
+ def test_combine(self):
+ d = date(2002, 3, 4)
+ t = time(18, 45, 3, 1234)
+ expected = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
+ combine = self.theclass.combine
+ dt = combine(d, t)
+ self.assertEqual(dt, expected)
+
+ dt = combine(time=t, date=d)
+ self.assertEqual(dt, expected)
+
+ self.assertEqual(d, dt.date())
+ self.assertEqual(t, dt.time())
+ self.assertEqual(dt, combine(dt.date(), dt.time()))
+
+ self.assertRaises(TypeError, combine) # need an arg
+ self.assertRaises(TypeError, combine, d) # need two args
+ self.assertRaises(TypeError, combine, t, d) # args reversed
+ self.assertRaises(TypeError, combine, d, t, 1) # too many args
+ self.assertRaises(TypeError, combine, "date", "time") # wrong types
+ self.assertRaises(TypeError, combine, d, "time") # wrong type
+ self.assertRaises(TypeError, combine, "date", t) # wrong type
+
+ def test_replace(self):
+ cls = self.theclass
+ args = [1, 2, 3, 4, 5, 6, 7]
+ base = cls(*args)
+ self.assertEqual(base, base.replace())
+
+ i = 0
+ for name, newval in (("year", 2),
+ ("month", 3),
+ ("day", 4),
+ ("hour", 5),
+ ("minute", 6),
+ ("second", 7),
+ ("microsecond", 8)):
+ newargs = args[:]
+ newargs[i] = newval
+ expected = cls(*newargs)
+ got = base.replace(**{name: newval})
+ self.assertEqual(expected, got)
+ i += 1
+
+ # Out of bounds.
+ base = cls(2000, 2, 29)
+ self.assertRaises(ValueError, base.replace, year=2001)
+
+ def test_astimezone(self):
+ # Pretty boring! The TZ test is more interesting here. astimezone()
+ # simply can't be applied to a naive object.
+ dt = self.theclass.now()
+ f = FixedOffset(44, "")
+ self.assertRaises(TypeError, dt.astimezone) # not enough args
+ self.assertRaises(TypeError, dt.astimezone, f, f) # too many args
+ self.assertRaises(TypeError, dt.astimezone, dt) # arg wrong type
+ self.assertRaises(ValueError, dt.astimezone, f) # naive
+ self.assertRaises(ValueError, dt.astimezone, tz=f) # naive
+
+ class Bogus(tzinfo):
+ def utcoffset(self, dt): return None
+ def dst(self, dt): return timedelta(0)
+ bog = Bogus()
+ self.assertRaises(ValueError, dt.astimezone, bog) # naive
+ self.assertRaises(ValueError,
+ dt.replace(tzinfo=bog).astimezone, f)
+
+ class AlsoBogus(tzinfo):
+ def utcoffset(self, dt): return timedelta(0)
+ def dst(self, dt): return None
+ alsobog = AlsoBogus()
+ self.assertRaises(ValueError, dt.astimezone, alsobog) # also naive
+
+ def test_subclass_datetime(self):
+
+ class C(self.theclass):
+ theAnswer = 42
+
+ def __new__(cls, *args, **kws):
+ temp = kws.copy()
+ extra = temp.pop('extra')
+ result = self.theclass.__new__(cls, *args, **temp)
+ result.extra = extra
+ return result
+
+ def newmeth(self, start):
+ return start + self.year + self.month + self.second
+
+ args = 2003, 4, 14, 12, 13, 41
+
+ dt1 = self.theclass(*args)
+ dt2 = C(*args, **{'extra': 7})
+
+ self.assertEqual(dt2.__class__, C)
+ self.assertEqual(dt2.theAnswer, 42)
+ self.assertEqual(dt2.extra, 7)
+ self.assertEqual(dt1.toordinal(), dt2.toordinal())
+ self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month +
+ dt1.second - 7)
+
+class TestSubclassDateTime(TestDateTime):
+ theclass = SubclassDatetime
+ # Override tests not designed for subclass
+ def test_roundtrip(self):
+ pass
+
+class SubclassTime(time):
+ sub_var = 1
+
+class TestTime(HarmlessMixedComparison, unittest.TestCase):
+
+ theclass = time
+
+ def test_basic_attributes(self):
+ t = self.theclass(12, 0)
+ self.assertEqual(t.hour, 12)
+ self.assertEqual(t.minute, 0)
+ self.assertEqual(t.second, 0)
+ self.assertEqual(t.microsecond, 0)
+
+ def test_basic_attributes_nonzero(self):
+ # Make sure all attributes are non-zero so bugs in
+ # bit-shifting access show up.
+ t = self.theclass(12, 59, 59, 8000)
+ self.assertEqual(t.hour, 12)
+ self.assertEqual(t.minute, 59)
+ self.assertEqual(t.second, 59)
+ self.assertEqual(t.microsecond, 8000)
+
+ def test_roundtrip(self):
+ t = self.theclass(1, 2, 3, 4)
+
+ # Verify t -> string -> time identity.
+ s = repr(t)
+ self.assertTrue(s.startswith('datetime.'))
+ s = s[9:]
+ t2 = eval(s)
+ self.assertEqual(t, t2)
+
+ # Verify identity via reconstructing from pieces.
+ t2 = self.theclass(t.hour, t.minute, t.second,
+ t.microsecond)
+ self.assertEqual(t, t2)
+
+ def test_comparing(self):
+ args = [1, 2, 3, 4]
+ t1 = self.theclass(*args)
+ t2 = self.theclass(*args)
+ self.assertEqual(t1, t2)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t1 >= t2)
+ self.assertTrue(not t1 != t2)
+ self.assertTrue(not t1 < t2)
+ self.assertTrue(not t1 > t2)
+
+ for i in range(len(args)):
+ newargs = args[:]
+ newargs[i] = args[i] + 1
+ t2 = self.theclass(*newargs) # this is larger than t1
+ self.assertTrue(t1 < t2)
+ self.assertTrue(t2 > t1)
+ self.assertTrue(t1 <= t2)
+ self.assertTrue(t2 >= t1)
+ self.assertTrue(t1 != t2)
+ self.assertTrue(t2 != t1)
+ self.assertTrue(not t1 == t2)
+ self.assertTrue(not t2 == t1)
+ self.assertTrue(not t1 > t2)
+ self.assertTrue(not t2 < t1)
+ self.assertTrue(not t1 >= t2)
+ self.assertTrue(not t2 <= t1)
+
+ for badarg in OTHERSTUFF:
+ self.assertEqual(t1 == badarg, False)
+ self.assertEqual(t1 != badarg, True)
+ self.assertEqual(badarg == t1, False)
+ self.assertEqual(badarg != t1, True)
+
+ self.assertRaises(TypeError, lambda: t1 <= badarg)
+ self.assertRaises(TypeError, lambda: t1 < badarg)
+ self.assertRaises(TypeError, lambda: t1 > badarg)
+ self.assertRaises(TypeError, lambda: t1 >= badarg)
+ self.assertRaises(TypeError, lambda: badarg <= t1)
+ self.assertRaises(TypeError, lambda: badarg < t1)
+ self.assertRaises(TypeError, lambda: badarg > t1)
+ self.assertRaises(TypeError, lambda: badarg >= t1)
+
+ def test_bad_constructor_arguments(self):
+ # bad hours
+ self.theclass(0, 0) # no exception
+ self.theclass(23, 0) # no exception
+ self.assertRaises(ValueError, self.theclass, -1, 0)
+ self.assertRaises(ValueError, self.theclass, 24, 0)
+ # bad minutes
+ self.theclass(23, 0) # no exception
+ self.theclass(23, 59) # no exception
+ self.assertRaises(ValueError, self.theclass, 23, -1)
+ self.assertRaises(ValueError, self.theclass, 23, 60)
+ # bad seconds
+ self.theclass(23, 59, 0) # no exception
+ self.theclass(23, 59, 59) # no exception
+ self.assertRaises(ValueError, self.theclass, 23, 59, -1)
+ self.assertRaises(ValueError, self.theclass, 23, 59, 60)
+ # bad microseconds
+ self.theclass(23, 59, 59, 0) # no exception
+ self.theclass(23, 59, 59, 999999) # no exception
+ self.assertRaises(ValueError, self.theclass, 23, 59, 59, -1)
+ self.assertRaises(ValueError, self.theclass, 23, 59, 59, 1000000)
+
+ def test_hash_equality(self):
+ d = self.theclass(23, 30, 17)
+ e = self.theclass(23, 30, 17)
+ self.assertEqual(d, e)
+ self.assertEqual(hash(d), hash(e))
+
+ dic = {d: 1}
+ dic[e] = 2
+ self.assertEqual(len(dic), 1)
+ self.assertEqual(dic[d], 2)
+ self.assertEqual(dic[e], 2)
+
+ d = self.theclass(0, 5, 17)
+ e = self.theclass(0, 5, 17)
+ self.assertEqual(d, e)
+ self.assertEqual(hash(d), hash(e))
+
+ dic = {d: 1}
+ dic[e] = 2
+ self.assertEqual(len(dic), 1)
+ self.assertEqual(dic[d], 2)
+ self.assertEqual(dic[e], 2)
+
+ def test_isoformat(self):
+ t = self.theclass(4, 5, 1, 123)
+ self.assertEqual(t.isoformat(), "04:05:01.000123")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass()
+ self.assertEqual(t.isoformat(), "00:00:00")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass(microsecond=1)
+ self.assertEqual(t.isoformat(), "00:00:00.000001")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass(microsecond=10)
+ self.assertEqual(t.isoformat(), "00:00:00.000010")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass(microsecond=100)
+ self.assertEqual(t.isoformat(), "00:00:00.000100")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass(microsecond=1000)
+ self.assertEqual(t.isoformat(), "00:00:00.001000")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass(microsecond=10000)
+ self.assertEqual(t.isoformat(), "00:00:00.010000")
+ self.assertEqual(t.isoformat(), str(t))
+
+ t = self.theclass(microsecond=100000)
+ self.assertEqual(t.isoformat(), "00:00:00.100000")
+ self.assertEqual(t.isoformat(), str(t))
+
+ def test_1653736(self):
+ # verify it doesn't accept extra keyword arguments
+ t = self.theclass(second=1)
+ self.assertRaises(TypeError, t.isoformat, foo=3)
+
+ def test_strftime(self):
+ t = self.theclass(1, 2, 3, 4)
+ self.assertEqual(t.strftime('%H %M %S %f'), "01 02 03 000004")
+ # A naive object replaces %z and %Z with empty strings.
+ self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")
+
+ def test_format(self):
+ t = self.theclass(1, 2, 3, 4)
+ self.assertEqual(t.__format__(''), str(t))
+
+ # check that a derived class's __str__() gets called
+ class A(self.theclass):
+ def __str__(self):
+ return 'A'
+ a = A(1, 2, 3, 4)
+ self.assertEqual(a.__format__(''), 'A')
+
+ # check that a derived class's strftime gets called
+ class B(self.theclass):
+ def strftime(self, format_spec):
+ return 'B'
+ b = B(1, 2, 3, 4)
+ self.assertEqual(b.__format__(''), str(t))
+
+ for fmt in ['%H %M %S',
+ ]:
+ self.assertEqual(t.__format__(fmt), t.strftime(fmt))
+ self.assertEqual(a.__format__(fmt), t.strftime(fmt))
+ self.assertEqual(b.__format__(fmt), 'B')
+
+ def test_str(self):
+ self.assertEqual(str(self.theclass(1, 2, 3, 4)), "01:02:03.000004")
+ self.assertEqual(str(self.theclass(10, 2, 3, 4000)), "10:02:03.004000")
+ self.assertEqual(str(self.theclass(0, 2, 3, 400000)), "00:02:03.400000")
+ self.assertEqual(str(self.theclass(12, 2, 3, 0)), "12:02:03")
+ self.assertEqual(str(self.theclass(23, 15, 0, 0)), "23:15:00")
+
+ def test_repr(self):
+ name = 'datetime.' + self.theclass.__name__
+ self.assertEqual(repr(self.theclass(1, 2, 3, 4)),
+ "%s(1, 2, 3, 4)" % name)
+ self.assertEqual(repr(self.theclass(10, 2, 3, 4000)),
+ "%s(10, 2, 3, 4000)" % name)
+ self.assertEqual(repr(self.theclass(0, 2, 3, 400000)),
+ "%s(0, 2, 3, 400000)" % name)
+ self.assertEqual(repr(self.theclass(12, 2, 3, 0)),
+ "%s(12, 2, 3)" % name)
+ self.assertEqual(repr(self.theclass(23, 15, 0, 0)),
+ "%s(23, 15)" % name)
+
+ def test_resolution_info(self):
+ self.assertIsInstance(self.theclass.min, self.theclass)
+ self.assertIsInstance(self.theclass.max, self.theclass)
+ self.assertIsInstance(self.theclass.resolution, timedelta)
+ self.assertTrue(self.theclass.max > self.theclass.min)
+
+ def test_pickling(self):
+ args = 20, 59, 16, 64**2
+ orig = self.theclass(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_pickling_subclass_time(self):
+ args = 20, 59, 16, 64**2
+ orig = SubclassTime(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ def test_bool(self):
+ cls = self.theclass
+ self.assertTrue(cls(1))
+ self.assertTrue(cls(0, 1))
+ self.assertTrue(cls(0, 0, 1))
+ self.assertTrue(cls(0, 0, 0, 1))
+ self.assertTrue(not cls(0))
+ self.assertTrue(not cls())
+
+ def test_replace(self):
+ cls = self.theclass
+ args = [1, 2, 3, 4]
+ base = cls(*args)
+ self.assertEqual(base, base.replace())
+
+ i = 0
+ for name, newval in (("hour", 5),
+ ("minute", 6),
+ ("second", 7),
+ ("microsecond", 8)):
+ newargs = args[:]
+ newargs[i] = newval
+ expected = cls(*newargs)
+ got = base.replace(**{name: newval})
+ self.assertEqual(expected, got)
+ i += 1
+
+ # Out of bounds.
+ base = cls(1)
+ self.assertRaises(ValueError, base.replace, hour=24)
+ self.assertRaises(ValueError, base.replace, minute=-1)
+ self.assertRaises(ValueError, base.replace, second=100)
+ self.assertRaises(ValueError, base.replace, microsecond=1000000)
+
+ def test_subclass_time(self):
+
+ class C(self.theclass):
+ theAnswer = 42
+
+ def __new__(cls, *args, **kws):
+ temp = kws.copy()
+ extra = temp.pop('extra')
+ result = self.theclass.__new__(cls, *args, **temp)
+ result.extra = extra
+ return result
+
+ def newmeth(self, start):
+ return start + self.hour + self.second
+
+ args = 4, 5, 6
+
+ dt1 = self.theclass(*args)
+ dt2 = C(*args, **{'extra': 7})
+
+ self.assertEqual(dt2.__class__, C)
+ self.assertEqual(dt2.theAnswer, 42)
+ self.assertEqual(dt2.extra, 7)
+ self.assertEqual(dt1.isoformat(), dt2.isoformat())
+ self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
+
+ def test_backdoor_resistance(self):
+ # see TestDate.test_backdoor_resistance().
+ base = '2:59.0'
+ for hour_byte in ' ', '9', chr(24), '\xff':
+ self.assertRaises(TypeError, self.theclass,
+ hour_byte + base[1:])
+
+# A mixin for classes with a tzinfo= argument. Subclasses must define
+# theclass as a class atribute, and theclass(1, 1, 1, tzinfo=whatever)
+# must be legit (which is true for time and datetime).
+class TZInfoBase:
+
+ def test_argument_passing(self):
+ cls = self.theclass
+ # A datetime passes itself on, a time passes None.
+ class introspective(tzinfo):
+ def tzname(self, dt): return dt and "real" or "none"
+ def utcoffset(self, dt):
+ return timedelta(minutes = dt and 42 or -42)
+ dst = utcoffset
+
+ obj = cls(1, 2, 3, tzinfo=introspective())
+
+ expected = cls is time and "none" or "real"
+ self.assertEqual(obj.tzname(), expected)
+
+ expected = timedelta(minutes=(cls is time and -42 or 42))
+ self.assertEqual(obj.utcoffset(), expected)
+ self.assertEqual(obj.dst(), expected)
+
+ def test_bad_tzinfo_classes(self):
+ cls = self.theclass
+ self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=12)
+
+ class NiceTry(object):
+ def __init__(self): pass
+ def utcoffset(self, dt): pass
+ self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=NiceTry)
+
+ class BetterTry(tzinfo):
+ def __init__(self): pass
+ def utcoffset(self, dt): pass
+ b = BetterTry()
+ t = cls(1, 1, 1, tzinfo=b)
+ self.assertTrue(t.tzinfo is b)
+
+ def test_utc_offset_out_of_bounds(self):
+ class Edgy(tzinfo):
+ def __init__(self, offset):
+ self.offset = timedelta(minutes=offset)
+ def utcoffset(self, dt):
+ return self.offset
+
+ cls = self.theclass
+ for offset, legit in ((-1440, False),
+ (-1439, True),
+ (1439, True),
+ (1440, False)):
+ if cls is time:
+ t = cls(1, 2, 3, tzinfo=Edgy(offset))
+ elif cls is datetime:
+ t = cls(6, 6, 6, 1, 2, 3, tzinfo=Edgy(offset))
+ else:
+ assert 0, "impossible"
+ if legit:
+ aofs = abs(offset)
+ h, m = divmod(aofs, 60)
+ tag = "%c%02d:%02d" % (offset < 0 and '-' or '+', h, m)
+ if isinstance(t, datetime):
+ t = t.timetz()
+ self.assertEqual(str(t), "01:02:03" + tag)
+ else:
+ self.assertRaises(ValueError, str, t)
+
+ def test_tzinfo_classes(self):
+ cls = self.theclass
+ class C1(tzinfo):
+ def utcoffset(self, dt): return None
+ def dst(self, dt): return None
+ def tzname(self, dt): return None
+ for t in (cls(1, 1, 1),
+ cls(1, 1, 1, tzinfo=None),
+ cls(1, 1, 1, tzinfo=C1())):
+ self.assertTrue(t.utcoffset() is None)
+ self.assertTrue(t.dst() is None)
+ self.assertTrue(t.tzname() is None)
+
+ class C3(tzinfo):
+ def utcoffset(self, dt): return timedelta(minutes=-1439)
+ def dst(self, dt): return timedelta(minutes=1439)
+ def tzname(self, dt): return "aname"
+ t = cls(1, 1, 1, tzinfo=C3())
+ self.assertEqual(t.utcoffset(), timedelta(minutes=-1439))
+ self.assertEqual(t.dst(), timedelta(minutes=1439))
+ self.assertEqual(t.tzname(), "aname")
+
+ # Wrong types.
+ class C4(tzinfo):
+ def utcoffset(self, dt): return "aname"
+ def dst(self, dt): return 7
+ def tzname(self, dt): return 0
+ t = cls(1, 1, 1, tzinfo=C4())
+ self.assertRaises(TypeError, t.utcoffset)
+ self.assertRaises(TypeError, t.dst)
+ self.assertRaises(TypeError, t.tzname)
+
+ # Offset out of range.
+ class C6(tzinfo):
+ def utcoffset(self, dt): return timedelta(hours=-24)
+ def dst(self, dt): return timedelta(hours=24)
+ t = cls(1, 1, 1, tzinfo=C6())
+ self.assertRaises(ValueError, t.utcoffset)
+ self.assertRaises(ValueError, t.dst)
+
+ # Not a whole number of minutes.
+ class C7(tzinfo):
+ def utcoffset(self, dt): return timedelta(seconds=61)
+ def dst(self, dt): return timedelta(microseconds=-81)
+ t = cls(1, 1, 1, tzinfo=C7())
+ self.assertRaises(ValueError, t.utcoffset)
+ self.assertRaises(ValueError, t.dst)
+
+ def test_aware_compare(self):
+ cls = self.theclass
+
+ # Ensure that utcoffset() gets ignored if the comparands have
+ # the same tzinfo member.
+ class OperandDependentOffset(tzinfo):
+ def utcoffset(self, t):
+ if t.minute < 10:
+ # d0 and d1 equal after adjustment
+ return timedelta(minutes=t.minute)
+ else:
+ # d2 off in the weeds
+ return timedelta(minutes=59)
+
+ base = cls(8, 9, 10, tzinfo=OperandDependentOffset())
+ d0 = base.replace(minute=3)
+ d1 = base.replace(minute=9)
+ d2 = base.replace(minute=11)
+ for x in d0, d1, d2:
+ for y in d0, d1, d2:
+ for op in lt, le, gt, ge, eq, ne:
+ got = op(x, y)
+ expected = op(x.minute, y.minute)
+ self.assertEqual(got, expected)
+
+ # However, if they're different members, uctoffset is not ignored.
+ # Note that a time can't actually have an operand-depedent offset,
+ # though (and time.utcoffset() passes None to tzinfo.utcoffset()),
+ # so skip this test for time.
+ if cls is not time:
+ d0 = base.replace(minute=3, tzinfo=OperandDependentOffset())
+ d1 = base.replace(minute=9, tzinfo=OperandDependentOffset())
+ d2 = base.replace(minute=11, tzinfo=OperandDependentOffset())
+ for x in d0, d1, d2:
+ for y in d0, d1, d2:
+ got = (x > y) - (x < y)
+ if (x is d0 or x is d1) and (y is d0 or y is d1):
+ expected = 0
+ elif x is y is d2:
+ expected = 0
+ elif x is d2:
+ expected = -1
+ else:
+ assert y is d2
+ expected = 1
+ self.assertEqual(got, expected)
+
+
+# Testing time objects with a non-None tzinfo.
+class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
+ theclass = time
+
+ def test_empty(self):
+ t = self.theclass()
+ self.assertEqual(t.hour, 0)
+ self.assertEqual(t.minute, 0)
+ self.assertEqual(t.second, 0)
+ self.assertEqual(t.microsecond, 0)
+ self.assertTrue(t.tzinfo is None)
+
+ def test_zones(self):
+ est = FixedOffset(-300, "EST", 1)
+ utc = FixedOffset(0, "UTC", -2)
+ met = FixedOffset(60, "MET", 3)
+ t1 = time( 7, 47, tzinfo=est)
+ t2 = time(12, 47, tzinfo=utc)
+ t3 = time(13, 47, tzinfo=met)
+ t4 = time(microsecond=40)
+ t5 = time(microsecond=40, tzinfo=utc)
+
+ self.assertEqual(t1.tzinfo, est)
+ self.assertEqual(t2.tzinfo, utc)
+ self.assertEqual(t3.tzinfo, met)
+ self.assertTrue(t4.tzinfo is None)
+ self.assertEqual(t5.tzinfo, utc)
+
+ self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
+ self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
+ self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
+ self.assertTrue(t4.utcoffset() is None)
+ self.assertRaises(TypeError, t1.utcoffset, "no args")
+
+ self.assertEqual(t1.tzname(), "EST")
+ self.assertEqual(t2.tzname(), "UTC")
+ self.assertEqual(t3.tzname(), "MET")
+ self.assertTrue(t4.tzname() is None)
+ self.assertRaises(TypeError, t1.tzname, "no args")
+
+ self.assertEqual(t1.dst(), timedelta(minutes=1))
+ self.assertEqual(t2.dst(), timedelta(minutes=-2))
+ self.assertEqual(t3.dst(), timedelta(minutes=3))
+ self.assertTrue(t4.dst() is None)
+ self.assertRaises(TypeError, t1.dst, "no args")
+
+ self.assertEqual(hash(t1), hash(t2))
+ self.assertEqual(hash(t1), hash(t3))
+ self.assertEqual(hash(t2), hash(t3))
+
+ self.assertEqual(t1, t2)
+ self.assertEqual(t1, t3)
+ self.assertEqual(t2, t3)
+ self.assertRaises(TypeError, lambda: t4 == t5) # mixed tz-aware & naive
+ self.assertRaises(TypeError, lambda: t4 < t5) # mixed tz-aware & naive
+ self.assertRaises(TypeError, lambda: t5 < t4) # mixed tz-aware & naive
+
+ self.assertEqual(str(t1), "07:47:00-05:00")
+ self.assertEqual(str(t2), "12:47:00+00:00")
+ self.assertEqual(str(t3), "13:47:00+01:00")
+ self.assertEqual(str(t4), "00:00:00.000040")
+ self.assertEqual(str(t5), "00:00:00.000040+00:00")
+
+ self.assertEqual(t1.isoformat(), "07:47:00-05:00")
+ self.assertEqual(t2.isoformat(), "12:47:00+00:00")
+ self.assertEqual(t3.isoformat(), "13:47:00+01:00")
+ self.assertEqual(t4.isoformat(), "00:00:00.000040")
+ self.assertEqual(t5.isoformat(), "00:00:00.000040+00:00")
+
+ d = 'datetime.time'
+ self.assertEqual(repr(t1), d + "(7, 47, tzinfo=est)")
+ self.assertEqual(repr(t2), d + "(12, 47, tzinfo=utc)")
+ self.assertEqual(repr(t3), d + "(13, 47, tzinfo=met)")
+ self.assertEqual(repr(t4), d + "(0, 0, 0, 40)")
+ self.assertEqual(repr(t5), d + "(0, 0, 0, 40, tzinfo=utc)")
+
+ self.assertEqual(t1.strftime("%H:%M:%S %%Z=%Z %%z=%z"),
+ "07:47:00 %Z=EST %z=-0500")
+ self.assertEqual(t2.strftime("%H:%M:%S %Z %z"), "12:47:00 UTC +0000")
+ self.assertEqual(t3.strftime("%H:%M:%S %Z %z"), "13:47:00 MET +0100")
+
+ yuck = FixedOffset(-1439, "%z %Z %%z%%Z")
+ t1 = time(23, 59, tzinfo=yuck)
+ self.assertEqual(t1.strftime("%H:%M %%Z='%Z' %%z='%z'"),
+ "23:59 %Z='%z %Z %%z%%Z' %z='-2359'")
+
+ # Check that an invalid tzname result raises an exception.
+ class Badtzname(tzinfo):
+ def tzname(self, dt): return 42
+ t = time(2, 3, 4, tzinfo=Badtzname())
+ self.assertEqual(t.strftime("%H:%M:%S"), "02:03:04")
+ self.assertRaises(TypeError, t.strftime, "%Z")
+
+ def test_hash_edge_cases(self):
+ # Offsets that overflow a basic time.
+ t1 = self.theclass(0, 1, 2, 3, tzinfo=FixedOffset(1439, ""))
+ t2 = self.theclass(0, 0, 2, 3, tzinfo=FixedOffset(1438, ""))
+ self.assertEqual(hash(t1), hash(t2))
+
+ t1 = self.theclass(23, 58, 6, 100, tzinfo=FixedOffset(-1000, ""))
+ t2 = self.theclass(23, 48, 6, 100, tzinfo=FixedOffset(-1010, ""))
+ self.assertEqual(hash(t1), hash(t2))
+
+ def test_pickling(self):
+ # Try one without a tzinfo.
+ args = 20, 59, 16, 64**2
+ orig = self.theclass(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ # Try one with a tzinfo.
+ tinfo = PicklableFixedOffset(-300, 'cookie')
+ orig = self.theclass(5, 6, 7, tzinfo=tinfo)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+ self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
+ self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
+ self.assertEqual(derived.tzname(), 'cookie')
+
+ def test_more_bool(self):
+ # Test cases with non-None tzinfo.
+ cls = self.theclass
+
+ t = cls(0, tzinfo=FixedOffset(-300, ""))
+ self.assertTrue(t)
+
+ t = cls(5, tzinfo=FixedOffset(-300, ""))
+ self.assertTrue(t)
+
+ t = cls(5, tzinfo=FixedOffset(300, ""))
+ self.assertTrue(not t)
+
+ t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, ""))
+ self.assertTrue(not t)
+
+ # Mostly ensuring this doesn't overflow internally.
+ t = cls(0, tzinfo=FixedOffset(23*60 + 59, ""))
+ self.assertTrue(t)
+
+ # But this should yield a value error -- the utcoffset is bogus.
+ t = cls(0, tzinfo=FixedOffset(24*60, ""))
+ self.assertRaises(ValueError, lambda: bool(t))
+
+ # Likewise.
+ t = cls(0, tzinfo=FixedOffset(-24*60, ""))
+ self.assertRaises(ValueError, lambda: bool(t))
+
+ def test_replace(self):
+ cls = self.theclass
+ z100 = FixedOffset(100, "+100")
+ zm200 = FixedOffset(timedelta(minutes=-200), "-200")
+ args = [1, 2, 3, 4, z100]
+ base = cls(*args)
+ self.assertEqual(base, base.replace())
+
+ i = 0
+ for name, newval in (("hour", 5),
+ ("minute", 6),
+ ("second", 7),
+ ("microsecond", 8),
+ ("tzinfo", zm200)):
+ newargs = args[:]
+ newargs[i] = newval
+ expected = cls(*newargs)
+ got = base.replace(**{name: newval})
+ self.assertEqual(expected, got)
+ i += 1
+
+ # Ensure we can get rid of a tzinfo.
+ self.assertEqual(base.tzname(), "+100")
+ base2 = base.replace(tzinfo=None)
+ self.assertTrue(base2.tzinfo is None)
+ self.assertTrue(base2.tzname() is None)
+
+ # Ensure we can add one.
+ base3 = base2.replace(tzinfo=z100)
+ self.assertEqual(base, base3)
+ self.assertTrue(base.tzinfo is base3.tzinfo)
+
+ # Out of bounds.
+ base = cls(1)
+ self.assertRaises(ValueError, base.replace, hour=24)
+ self.assertRaises(ValueError, base.replace, minute=-1)
+ self.assertRaises(ValueError, base.replace, second=100)
+ self.assertRaises(ValueError, base.replace, microsecond=1000000)
+
+ def test_mixed_compare(self):
+ t1 = time(1, 2, 3)
+ t2 = time(1, 2, 3)
+ self.assertEqual(t1, t2)
+ t2 = t2.replace(tzinfo=None)
+ self.assertEqual(t1, t2)
+ t2 = t2.replace(tzinfo=FixedOffset(None, ""))
+ self.assertEqual(t1, t2)
+ t2 = t2.replace(tzinfo=FixedOffset(0, ""))
+ self.assertRaises(TypeError, lambda: t1 == t2)
+
+ # In time w/ identical tzinfo objects, utcoffset is ignored.
+ class Varies(tzinfo):
+ def __init__(self):
+ self.offset = timedelta(minutes=22)
+ def utcoffset(self, t):
+ self.offset += timedelta(minutes=1)
+ return self.offset
+
+ v = Varies()
+ t1 = t2.replace(tzinfo=v)
+ t2 = t2.replace(tzinfo=v)
+ self.assertEqual(t1.utcoffset(), timedelta(minutes=23))
+ self.assertEqual(t2.utcoffset(), timedelta(minutes=24))
+ self.assertEqual(t1, t2)
+
+ # But if they're not identical, it isn't ignored.
+ t2 = t2.replace(tzinfo=Varies())
+ self.assertTrue(t1 < t2) # t1's offset counter still going up
+
+ def test_subclass_timetz(self):
+
+ class C(self.theclass):
+ theAnswer = 42
+
+ def __new__(cls, *args, **kws):
+ temp = kws.copy()
+ extra = temp.pop('extra')
+ result = self.theclass.__new__(cls, *args, **temp)
+ result.extra = extra
+ return result
+
+ def newmeth(self, start):
+ return start + self.hour + self.second
+
+ args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
+
+ dt1 = self.theclass(*args)
+ dt2 = C(*args, **{'extra': 7})
+
+ self.assertEqual(dt2.__class__, C)
+ self.assertEqual(dt2.theAnswer, 42)
+ self.assertEqual(dt2.extra, 7)
+ self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
+ self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
+
+
+# Testing datetime objects with a non-None tzinfo.
+
+class TestDateTimeTZ(TestDateTime, TZInfoBase, unittest.TestCase):
+ theclass = datetime
+
+ def test_trivial(self):
+ dt = self.theclass(1, 2, 3, 4, 5, 6, 7)
+ self.assertEqual(dt.year, 1)
+ self.assertEqual(dt.month, 2)
+ self.assertEqual(dt.day, 3)
+ self.assertEqual(dt.hour, 4)
+ self.assertEqual(dt.minute, 5)
+ self.assertEqual(dt.second, 6)
+ self.assertEqual(dt.microsecond, 7)
+ self.assertEqual(dt.tzinfo, None)
+
+ def test_even_more_compare(self):
+ # The test_compare() and test_more_compare() inherited from TestDate
+ # and TestDateTime covered non-tzinfo cases.
+
+ # Smallest possible after UTC adjustment.
+ t1 = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
+ # Largest possible after UTC adjustment.
+ t2 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
+ tzinfo=FixedOffset(-1439, ""))
+
+ # Make sure those compare correctly, and w/o overflow.
+ self.assertTrue(t1 < t2)
+ self.assertTrue(t1 != t2)
+ self.assertTrue(t2 > t1)
+
+ self.assertEqual(t1, t1)
+ self.assertEqual(t2, t2)
+
+ # Equal afer adjustment.
+ t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""))
+ t2 = self.theclass(2, 1, 1, 3, 13, tzinfo=FixedOffset(3*60+13+2, ""))
+ self.assertEqual(t1, t2)
+
+ # Change t1 not to subtract a minute, and t1 should be larger.
+ t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(0, ""))
+ self.assertTrue(t1 > t2)
+
+ # Change t1 to subtract 2 minutes, and t1 should be smaller.
+ t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(2, ""))
+ self.assertTrue(t1 < t2)
+
+ # Back to the original t1, but make seconds resolve it.
+ t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""),
+ second=1)
+ self.assertTrue(t1 > t2)
+
+ # Likewise, but make microseconds resolve it.
+ t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""),
+ microsecond=1)
+ self.assertTrue(t1 > t2)
+
+ # Make t2 naive and it should fail.
+ t2 = self.theclass.min
+ self.assertRaises(TypeError, lambda: t1 == t2)
+ self.assertEqual(t2, t2)
+
+ # It's also naive if it has tzinfo but tzinfo.utcoffset() is None.
+ class Naive(tzinfo):
+ def utcoffset(self, dt): return None
+ t2 = self.theclass(5, 6, 7, tzinfo=Naive())
+ self.assertRaises(TypeError, lambda: t1 == t2)
+ self.assertEqual(t2, t2)
+
+ # OTOH, it's OK to compare two of these mixing the two ways of being
+ # naive.
+ t1 = self.theclass(5, 6, 7)
+ self.assertEqual(t1, t2)
+
+ # Try a bogus uctoffset.
+ class Bogus(tzinfo):
+ def utcoffset(self, dt):
+ return timedelta(minutes=1440) # out of bounds
+ t1 = self.theclass(2, 2, 2, tzinfo=Bogus())
+ t2 = self.theclass(2, 2, 2, tzinfo=FixedOffset(0, ""))
+ self.assertRaises(ValueError, lambda: t1 == t2)
+
+ def test_pickling(self):
+ # Try one without a tzinfo.
+ args = 6, 7, 23, 20, 59, 1, 64**2
+ orig = self.theclass(*args)
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+
+ # Try one with a tzinfo.
+ tinfo = PicklableFixedOffset(-300, 'cookie')
+ orig = self.theclass(*args, **{'tzinfo': tinfo})
+ derived = self.theclass(1, 1, 1, tzinfo=FixedOffset(0, "", 0))
+ for pickler, unpickler, proto in pickle_choices:
+ green = pickler.dumps(orig, proto)
+ derived = unpickler.loads(green)
+ self.assertEqual(orig, derived)
+ self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
+ self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
+ self.assertEqual(derived.tzname(), 'cookie')
+
+ def test_extreme_hashes(self):
+ # If an attempt is made to hash these via subtracting the offset
+ # then hashing a datetime object, OverflowError results. The
+ # Python implementation used to blow up here.
+ t = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
+ hash(t)
+ t = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
+ tzinfo=FixedOffset(-1439, ""))
+ hash(t)
+
+ # OTOH, an OOB offset should blow up.
+ t = self.theclass(5, 5, 5, tzinfo=FixedOffset(-1440, ""))
+ self.assertRaises(ValueError, hash, t)
+
+ def test_zones(self):
+ est = FixedOffset(-300, "EST")
+ utc = FixedOffset(0, "UTC")
+ met = FixedOffset(60, "MET")
+ t1 = datetime(2002, 3, 19, 7, 47, tzinfo=est)
+ t2 = datetime(2002, 3, 19, 12, 47, tzinfo=utc)
+ t3 = datetime(2002, 3, 19, 13, 47, tzinfo=met)
+ self.assertEqual(t1.tzinfo, est)
+ self.assertEqual(t2.tzinfo, utc)
+ self.assertEqual(t3.tzinfo, met)
+ self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
+ self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
+ self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
+ self.assertEqual(t1.tzname(), "EST")
+ self.assertEqual(t2.tzname(), "UTC")
+ self.assertEqual(t3.tzname(), "MET")
+ self.assertEqual(hash(t1), hash(t2))
+ self.assertEqual(hash(t1), hash(t3))
+ self.assertEqual(hash(t2), hash(t3))
+ self.assertEqual(t1, t2)
+ self.assertEqual(t1, t3)
+ self.assertEqual(t2, t3)
+ self.assertEqual(str(t1), "2002-03-19 07:47:00-05:00")
+ self.assertEqual(str(t2), "2002-03-19 12:47:00+00:00")
+ self.assertEqual(str(t3), "2002-03-19 13:47:00+01:00")
+ d = 'datetime.datetime(2002, 3, 19, '
+ self.assertEqual(repr(t1), d + "7, 47, tzinfo=est)")
+ self.assertEqual(repr(t2), d + "12, 47, tzinfo=utc)")
+ self.assertEqual(repr(t3), d + "13, 47, tzinfo=met)")
+
+ def test_combine(self):
+ met = FixedOffset(60, "MET")
+ d = date(2002, 3, 4)
+ tz = time(18, 45, 3, 1234, tzinfo=met)
+ dt = datetime.combine(d, tz)
+ self.assertEqual(dt, datetime(2002, 3, 4, 18, 45, 3, 1234,
+ tzinfo=met))
+
+ def test_extract(self):
+ met = FixedOffset(60, "MET")
+ dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234, tzinfo=met)
+ self.assertEqual(dt.date(), date(2002, 3, 4))
+ self.assertEqual(dt.time(), time(18, 45, 3, 1234))
+ self.assertEqual(dt.timetz(), time(18, 45, 3, 1234, tzinfo=met))
+
+ def test_tz_aware_arithmetic(self):
+ import random
+
+ now = self.theclass.now()
+ tz55 = FixedOffset(-330, "west 5:30")
+ timeaware = now.time().replace(tzinfo=tz55)
+ nowaware = self.theclass.combine(now.date(), timeaware)
+ self.assertTrue(nowaware.tzinfo is tz55)
+ self.assertEqual(nowaware.timetz(), timeaware)
+
+ # Can't mix aware and non-aware.
+ self.assertRaises(TypeError, lambda: now - nowaware)
+ self.assertRaises(TypeError, lambda: nowaware - now)
+
+ # And adding datetime's doesn't make sense, aware or not.
+ self.assertRaises(TypeError, lambda: now + nowaware)
+ self.assertRaises(TypeError, lambda: nowaware + now)
+ self.assertRaises(TypeError, lambda: nowaware + nowaware)
+
+ # Subtracting should yield 0.
+ self.assertEqual(now - now, timedelta(0))
+ self.assertEqual(nowaware - nowaware, timedelta(0))
+
+ # Adding a delta should preserve tzinfo.
+ delta = timedelta(weeks=1, minutes=12, microseconds=5678)
+ nowawareplus = nowaware + delta
+ self.assertTrue(nowaware.tzinfo is tz55)
+ nowawareplus2 = delta + nowaware
+ self.assertTrue(nowawareplus2.tzinfo is tz55)
+ self.assertEqual(nowawareplus, nowawareplus2)
+
+ # that - delta should be what we started with, and that - what we
+ # started with should be delta.
+ diff = nowawareplus - delta
+ self.assertTrue(diff.tzinfo is tz55)
+ self.assertEqual(nowaware, diff)
+ self.assertRaises(TypeError, lambda: delta - nowawareplus)
+ self.assertEqual(nowawareplus - nowaware, delta)
+
+ # Make up a random timezone.
+ tzr = FixedOffset(random.randrange(-1439, 1440), "randomtimezone")
+ # Attach it to nowawareplus.
+ nowawareplus = nowawareplus.replace(tzinfo=tzr)
+ self.assertTrue(nowawareplus.tzinfo is tzr)
+ # Make sure the difference takes the timezone adjustments into account.
+ got = nowaware - nowawareplus
+ # Expected: (nowaware base - nowaware offset) -
+ # (nowawareplus base - nowawareplus offset) =
+ # (nowaware base - nowawareplus base) +
+ # (nowawareplus offset - nowaware offset) =
+ # -delta + nowawareplus offset - nowaware offset
+ expected = nowawareplus.utcoffset() - nowaware.utcoffset() - delta
+ self.assertEqual(got, expected)
+
+ # Try max possible difference.
+ min = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "min"))
+ max = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
+ tzinfo=FixedOffset(-1439, "max"))
+ maxdiff = max - min
+ self.assertEqual(maxdiff, self.theclass.max - self.theclass.min +
+ timedelta(minutes=2*1439))
+ # Different tzinfo, but the same offset
+ tza = timezone(HOUR, 'A')
+ tzb = timezone(HOUR, 'B')
+ delta = min.replace(tzinfo=tza) - max.replace(tzinfo=tzb)
+ self.assertEqual(delta, self.theclass.min - self.theclass.max)
+
+ def test_tzinfo_now(self):
+ meth = self.theclass.now
+ # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
+ base = meth()
+ # Try with and without naming the keyword.
+ off42 = FixedOffset(42, "42")
+ another = meth(off42)
+ again = meth(tz=off42)
+ self.assertTrue(another.tzinfo is again.tzinfo)
+ self.assertEqual(another.utcoffset(), timedelta(minutes=42))
+ # Bad argument with and w/o naming the keyword.
+ self.assertRaises(TypeError, meth, 16)
+ self.assertRaises(TypeError, meth, tzinfo=16)
+ # Bad keyword name.
+ self.assertRaises(TypeError, meth, tinfo=off42)
+ # Too many args.
+ self.assertRaises(TypeError, meth, off42, off42)
+
+ # We don't know which time zone we're in, and don't have a tzinfo
+ # class to represent it, so seeing whether a tz argument actually
+ # does a conversion is tricky.
+ utc = FixedOffset(0, "utc", 0)
+ for weirdtz in [FixedOffset(timedelta(hours=15, minutes=58), "weirdtz", 0),
+ timezone(timedelta(hours=15, minutes=58), "weirdtz"),]:
+ for dummy in range(3):
+ now = datetime.now(weirdtz)
+ self.assertTrue(now.tzinfo is weirdtz)
+ utcnow = datetime.utcnow().replace(tzinfo=utc)
+ now2 = utcnow.astimezone(weirdtz)
+ if abs(now - now2) < timedelta(seconds=30):
+ break
+ # Else the code is broken, or more than 30 seconds passed between
+ # calls; assuming the latter, just try again.
+ else:
+ # Three strikes and we're out.
+ self.fail("utcnow(), now(tz), or astimezone() may be broken")
+
+ def test_tzinfo_fromtimestamp(self):
+ import time
+ meth = self.theclass.fromtimestamp
+ ts = time.time()
+ # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
+ base = meth(ts)
+ # Try with and without naming the keyword.
+ off42 = FixedOffset(42, "42")
+ another = meth(ts, off42)
+ again = meth(ts, tz=off42)
+ self.assertTrue(another.tzinfo is again.tzinfo)
+ self.assertEqual(another.utcoffset(), timedelta(minutes=42))
+ # Bad argument with and w/o naming the keyword.
+ self.assertRaises(TypeError, meth, ts, 16)
+ self.assertRaises(TypeError, meth, ts, tzinfo=16)
+ # Bad keyword name.
+ self.assertRaises(TypeError, meth, ts, tinfo=off42)
+ # Too many args.
+ self.assertRaises(TypeError, meth, ts, off42, off42)
+ # Too few args.
+ self.assertRaises(TypeError, meth)
+
+ # Try to make sure tz= actually does some conversion.
+ timestamp = 1000000000
+ utcdatetime = datetime.utcfromtimestamp(timestamp)
+ # In POSIX (epoch 1970), that's 2001-09-09 01:46:40 UTC, give or take.
+ # But on some flavor of Mac, it's nowhere near that. So we can't have
+ # any idea here what time that actually is, we can only test that
+ # relative changes match.
+ utcoffset = timedelta(hours=-15, minutes=39) # arbitrary, but not zero
+ tz = FixedOffset(utcoffset, "tz", 0)
+ expected = utcdatetime + utcoffset
+ got = datetime.fromtimestamp(timestamp, tz)
+ self.assertEqual(expected, got.replace(tzinfo=None))
+
+ def test_tzinfo_utcnow(self):
+ meth = self.theclass.utcnow
+ # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
+ base = meth()
+ # Try with and without naming the keyword; for whatever reason,
+ # utcnow() doesn't accept a tzinfo argument.
+ off42 = FixedOffset(42, "42")
+ self.assertRaises(TypeError, meth, off42)
+ self.assertRaises(TypeError, meth, tzinfo=off42)
+
+ def test_tzinfo_utcfromtimestamp(self):
+ import time
+ meth = self.theclass.utcfromtimestamp
+ ts = time.time()
+ # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
+ base = meth(ts)
+ # Try with and without naming the keyword; for whatever reason,
+ # utcfromtimestamp() doesn't accept a tzinfo argument.
+ off42 = FixedOffset(42, "42")
+ self.assertRaises(TypeError, meth, ts, off42)
+ self.assertRaises(TypeError, meth, ts, tzinfo=off42)
+
+ def test_tzinfo_timetuple(self):
+ # TestDateTime tested most of this. datetime adds a twist to the
+ # DST flag.
+ class DST(tzinfo):
+ def __init__(self, dstvalue):
+ if isinstance(dstvalue, int):
+ dstvalue = timedelta(minutes=dstvalue)
+ self.dstvalue = dstvalue
+ def dst(self, dt):
+ return self.dstvalue
+
+ cls = self.theclass
+ for dstvalue, flag in (-33, 1), (33, 1), (0, 0), (None, -1):
+ d = cls(1, 1, 1, 10, 20, 30, 40, tzinfo=DST(dstvalue))
+ t = d.timetuple()
+ self.assertEqual(1, t.tm_year)
+ self.assertEqual(1, t.tm_mon)
+ self.assertEqual(1, t.tm_mday)
+ self.assertEqual(10, t.tm_hour)
+ self.assertEqual(20, t.tm_min)
+ self.assertEqual(30, t.tm_sec)
+ self.assertEqual(0, t.tm_wday)
+ self.assertEqual(1, t.tm_yday)
+ self.assertEqual(flag, t.tm_isdst)
+
+ # dst() returns wrong type.
+ self.assertRaises(TypeError, cls(1, 1, 1, tzinfo=DST("x")).timetuple)
+
+ # dst() at the edge.
+ self.assertEqual(cls(1,1,1, tzinfo=DST(1439)).timetuple().tm_isdst, 1)
+ self.assertEqual(cls(1,1,1, tzinfo=DST(-1439)).timetuple().tm_isdst, 1)
+
+ # dst() out of range.
+ self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(1440)).timetuple)
+ self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(-1440)).timetuple)
+
+ def test_utctimetuple(self):
+ class DST(tzinfo):
+ def __init__(self, dstvalue=0):
+ if isinstance(dstvalue, int):
+ dstvalue = timedelta(minutes=dstvalue)
+ self.dstvalue = dstvalue
+ def dst(self, dt):
+ return self.dstvalue
+
+ cls = self.theclass
+ # This can't work: DST didn't implement utcoffset.
+ self.assertRaises(NotImplementedError,
+ cls(1, 1, 1, tzinfo=DST(0)).utcoffset)
+
+ class UOFS(DST):
+ def __init__(self, uofs, dofs=None):
+ DST.__init__(self, dofs)
+ self.uofs = timedelta(minutes=uofs)
+ def utcoffset(self, dt):
+ return self.uofs
+
+ for dstvalue in -33, 33, 0, None:
+ d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=UOFS(-53, dstvalue))
+ t = d.utctimetuple()
+ self.assertEqual(d.year, t.tm_year)
+ self.assertEqual(d.month, t.tm_mon)
+ self.assertEqual(d.day, t.tm_mday)
+ self.assertEqual(11, t.tm_hour) # 20mm + 53mm = 1hn + 13mm
+ self.assertEqual(13, t.tm_min)
+ self.assertEqual(d.second, t.tm_sec)
+ self.assertEqual(d.weekday(), t.tm_wday)
+ self.assertEqual(d.toordinal() - date(1, 1, 1).toordinal() + 1,
+ t.tm_yday)
+ # Ensure tm_isdst is 0 regardless of what dst() says: DST
+ # is never in effect for a UTC time.
+ self.assertEqual(0, t.tm_isdst)
+
+ # For naive datetime, utctimetuple == timetuple except for isdst
+ d = cls(1, 2, 3, 10, 20, 30, 40)
+ t = d.utctimetuple()
+ self.assertEqual(t[:-1], d.timetuple()[:-1])
+ self.assertEqual(0, t.tm_isdst)
+ # Same if utcoffset is None
+ class NOFS(DST):
+ def utcoffset(self, dt):
+ return None
+ d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=NOFS())
+ t = d.utctimetuple()
+ self.assertEqual(t[:-1], d.timetuple()[:-1])
+ self.assertEqual(0, t.tm_isdst)
+ # Check that bad tzinfo is detected
+ class BOFS(DST):
+ def utcoffset(self, dt):
+ return "EST"
+ d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=BOFS())
+ self.assertRaises(TypeError, d.utctimetuple)
+
+ # Check that utctimetuple() is the same as
+ # astimezone(utc).timetuple()
+ d = cls(2010, 11, 13, 14, 15, 16, 171819)
+ for tz in [timezone.min, timezone.utc, timezone.max]:
+ dtz = d.replace(tzinfo=tz)
+ self.assertEqual(dtz.utctimetuple()[:-1],
+ dtz.astimezone(timezone.utc).timetuple()[:-1])
+ # At the edges, UTC adjustment can produce years out-of-range
+ # for a datetime object. Ensure that an OverflowError is
+ # raised.
+ tiny = cls(MINYEAR, 1, 1, 0, 0, 37, tzinfo=UOFS(1439))
+ # That goes back 1 minute less than a full day.
+ self.assertRaises(OverflowError, tiny.utctimetuple)
+
+ huge = cls(MAXYEAR, 12, 31, 23, 59, 37, 999999, tzinfo=UOFS(-1439))
+ # That goes forward 1 minute less than a full day.
+ self.assertRaises(OverflowError, huge.utctimetuple)
+ # More overflow cases
+ tiny = cls.min.replace(tzinfo=timezone(MINUTE))
+ self.assertRaises(OverflowError, tiny.utctimetuple)
+ huge = cls.max.replace(tzinfo=timezone(-MINUTE))
+ self.assertRaises(OverflowError, huge.utctimetuple)
+
+ def test_tzinfo_isoformat(self):
+ zero = FixedOffset(0, "+00:00")
+ plus = FixedOffset(220, "+03:40")
+ minus = FixedOffset(-231, "-03:51")
+ unknown = FixedOffset(None, "")
+
+ cls = self.theclass
+ datestr = '0001-02-03'
+ for ofs in None, zero, plus, minus, unknown:
+ for us in 0, 987001:
+ d = cls(1, 2, 3, 4, 5, 59, us, tzinfo=ofs)
+ timestr = '04:05:59' + (us and '.987001' or '')
+ ofsstr = ofs is not None and d.tzname() or ''
+ tailstr = timestr + ofsstr
+ iso = d.isoformat()
+ self.assertEqual(iso, datestr + 'T' + tailstr)
+ self.assertEqual(iso, d.isoformat('T'))
+ self.assertEqual(d.isoformat('k'), datestr + 'k' + tailstr)
+ self.assertEqual(d.isoformat('\u1234'), datestr + '\u1234' + tailstr)
+ self.assertEqual(str(d), datestr + ' ' + tailstr)
+
+ def test_replace(self):
+ cls = self.theclass
+ z100 = FixedOffset(100, "+100")
+ zm200 = FixedOffset(timedelta(minutes=-200), "-200")
+ args = [1, 2, 3, 4, 5, 6, 7, z100]
+ base = cls(*args)
+ self.assertEqual(base, base.replace())
+
+ i = 0
+ for name, newval in (("year", 2),
+ ("month", 3),
+ ("day", 4),
+ ("hour", 5),
+ ("minute", 6),
+ ("second", 7),
+ ("microsecond", 8),
+ ("tzinfo", zm200)):
+ newargs = args[:]
+ newargs[i] = newval
+ expected = cls(*newargs)
+ got = base.replace(**{name: newval})
+ self.assertEqual(expected, got)
+ i += 1
+
+ # Ensure we can get rid of a tzinfo.
+ self.assertEqual(base.tzname(), "+100")
+ base2 = base.replace(tzinfo=None)
+ self.assertTrue(base2.tzinfo is None)
+ self.assertTrue(base2.tzname() is None)
+
+ # Ensure we can add one.
+ base3 = base2.replace(tzinfo=z100)
+ self.assertEqual(base, base3)
+ self.assertTrue(base.tzinfo is base3.tzinfo)
+
+ # Out of bounds.
+ base = cls(2000, 2, 29)
+ self.assertRaises(ValueError, base.replace, year=2001)
+
+ def test_more_astimezone(self):
+ # The inherited test_astimezone covered some trivial and error cases.
+ fnone = FixedOffset(None, "None")
+ f44m = FixedOffset(44, "44")
+ fm5h = FixedOffset(-timedelta(hours=5), "m300")
+
+ dt = self.theclass.now(tz=f44m)
+ self.assertTrue(dt.tzinfo is f44m)
+ # Replacing with degenerate tzinfo raises an exception.
+ self.assertRaises(ValueError, dt.astimezone, fnone)
+ # Ditto with None tz.
+ self.assertRaises(TypeError, dt.astimezone, None)
+ # Replacing with same tzinfo makes no change.
+ x = dt.astimezone(dt.tzinfo)
+ self.assertTrue(x.tzinfo is f44m)
+ self.assertEqual(x.date(), dt.date())
+ self.assertEqual(x.time(), dt.time())
+
+ # Replacing with different tzinfo does adjust.
+ got = dt.astimezone(fm5h)
+ self.assertTrue(got.tzinfo is fm5h)
+ self.assertEqual(got.utcoffset(), timedelta(hours=-5))
+ expected = dt - dt.utcoffset() # in effect, convert to UTC
+ expected += fm5h.utcoffset(dt) # and from there to local time
+ expected = expected.replace(tzinfo=fm5h) # and attach new tzinfo
+ self.assertEqual(got.date(), expected.date())
+ self.assertEqual(got.time(), expected.time())
+ self.assertEqual(got.timetz(), expected.timetz())
+ self.assertTrue(got.tzinfo is expected.tzinfo)
+ self.assertEqual(got, expected)
+
+ def test_aware_subtract(self):
+ cls = self.theclass
+
+ # Ensure that utcoffset() is ignored when the operands have the
+ # same tzinfo member.
+ class OperandDependentOffset(tzinfo):
+ def utcoffset(self, t):
+ if t.minute < 10:
+ # d0 and d1 equal after adjustment
+ return timedelta(minutes=t.minute)
+ else:
+ # d2 off in the weeds
+ return timedelta(minutes=59)
+
+ base = cls(8, 9, 10, 11, 12, 13, 14, tzinfo=OperandDependentOffset())
+ d0 = base.replace(minute=3)
+ d1 = base.replace(minute=9)
+ d2 = base.replace(minute=11)
+ for x in d0, d1, d2:
+ for y in d0, d1, d2:
+ got = x - y
+ expected = timedelta(minutes=x.minute - y.minute)
+ self.assertEqual(got, expected)
+
+ # OTOH, if the tzinfo members are distinct, utcoffsets aren't
+ # ignored.
+ base = cls(8, 9, 10, 11, 12, 13, 14)
+ d0 = base.replace(minute=3, tzinfo=OperandDependentOffset())
+ d1 = base.replace(minute=9, tzinfo=OperandDependentOffset())
+ d2 = base.replace(minute=11, tzinfo=OperandDependentOffset())
+ for x in d0, d1, d2:
+ for y in d0, d1, d2:
+ got = x - y
+ if (x is d0 or x is d1) and (y is d0 or y is d1):
+ expected = timedelta(0)
+ elif x is y is d2:
+ expected = timedelta(0)
+ elif x is d2:
+ expected = timedelta(minutes=(11-59)-0)
+ else:
+ assert y is d2
+ expected = timedelta(minutes=0-(11-59))
+ self.assertEqual(got, expected)
+
+ def test_mixed_compare(self):
+ t1 = datetime(1, 2, 3, 4, 5, 6, 7)
+ t2 = datetime(1, 2, 3, 4, 5, 6, 7)
+ self.assertEqual(t1, t2)
+ t2 = t2.replace(tzinfo=None)
+ self.assertEqual(t1, t2)
+ t2 = t2.replace(tzinfo=FixedOffset(None, ""))
+ self.assertEqual(t1, t2)
+ t2 = t2.replace(tzinfo=FixedOffset(0, ""))
+ self.assertRaises(TypeError, lambda: t1 == t2)
+
+ # In datetime w/ identical tzinfo objects, utcoffset is ignored.
+ class Varies(tzinfo):
+ def __init__(self):
+ self.offset = timedelta(minutes=22)
+ def utcoffset(self, t):
+ self.offset += timedelta(minutes=1)
+ return self.offset
+
+ v = Varies()
+ t1 = t2.replace(tzinfo=v)
+ t2 = t2.replace(tzinfo=v)
+ self.assertEqual(t1.utcoffset(), timedelta(minutes=23))
+ self.assertEqual(t2.utcoffset(), timedelta(minutes=24))
+ self.assertEqual(t1, t2)
+
+ # But if they're not identical, it isn't ignored.
+ t2 = t2.replace(tzinfo=Varies())
+ self.assertTrue(t1 < t2) # t1's offset counter still going up
+
+ def test_subclass_datetimetz(self):
+
+ class C(self.theclass):
+ theAnswer = 42
+
+ def __new__(cls, *args, **kws):
+ temp = kws.copy()
+ extra = temp.pop('extra')
+ result = self.theclass.__new__(cls, *args, **temp)
+ result.extra = extra
+ return result
+
+ def newmeth(self, start):
+ return start + self.hour + self.year
+
+ args = 2002, 12, 31, 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
+
+ dt1 = self.theclass(*args)
+ dt2 = C(*args, **{'extra': 7})
+
+ self.assertEqual(dt2.__class__, C)
+ self.assertEqual(dt2.theAnswer, 42)
+ self.assertEqual(dt2.extra, 7)
+ self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
+ self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.year - 7)
+
+# Pain to set up DST-aware tzinfo classes.
+
+def first_sunday_on_or_after(dt):
+ days_to_go = 6 - dt.weekday()
+ if days_to_go:
+ dt += timedelta(days_to_go)
+ return dt
+
+ZERO = timedelta(0)
+MINUTE = timedelta(minutes=1)
+HOUR = timedelta(hours=1)
+DAY = timedelta(days=1)
+# In the US, DST starts at 2am (standard time) on the first Sunday in April.
+DSTSTART = datetime(1, 4, 1, 2)
+# and ends at 2am (DST time; 1am standard time) on the last Sunday of Oct,
+# which is the first Sunday on or after Oct 25. Because we view 1:MM as
+# being standard time on that day, there is no spelling in local time of
+# the last hour of DST (that's 1:MM DST, but 1:MM is taken as standard time).
+DSTEND = datetime(1, 10, 25, 1)
+
+class USTimeZone(tzinfo):
+
+ def __init__(self, hours, reprname, stdname, dstname):
+ self.stdoffset = timedelta(hours=hours)
+ self.reprname = reprname
+ self.stdname = stdname
+ self.dstname = dstname
+
+ def __repr__(self):
+ return self.reprname
+
+ def tzname(self, dt):
+ if self.dst(dt):
+ return self.dstname
+ else:
+ return self.stdname
+
+ def utcoffset(self, dt):
+ return self.stdoffset + self.dst(dt)
+
+ def dst(self, dt):
+ if dt is None or dt.tzinfo is None:
+ # An exception instead may be sensible here, in one or more of
+ # the cases.
+ return ZERO
+ assert dt.tzinfo is self
+
+ # Find first Sunday in April.
+ start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year))
+ assert start.weekday() == 6 and start.month == 4 and start.day <= 7
+
+ # Find last Sunday in October.
+ end = first_sunday_on_or_after(DSTEND.replace(year=dt.year))
+ assert end.weekday() == 6 and end.month == 10 and end.day >= 25
+
+ # Can't compare naive to aware objects, so strip the timezone from
+ # dt first.
+ if start <= dt.replace(tzinfo=None) < end:
+ return HOUR
+ else:
+ return ZERO
+
+Eastern = USTimeZone(-5, "Eastern", "EST", "EDT")
+Central = USTimeZone(-6, "Central", "CST", "CDT")
+Mountain = USTimeZone(-7, "Mountain", "MST", "MDT")
+Pacific = USTimeZone(-8, "Pacific", "PST", "PDT")
+utc_real = FixedOffset(0, "UTC", 0)
+# For better test coverage, we want another flavor of UTC that's west of
+# the Eastern and Pacific timezones.
+utc_fake = FixedOffset(-12*60, "UTCfake", 0)
+
+class TestTimezoneConversions(unittest.TestCase):
+ # The DST switch times for 2002, in std time.
+ dston = datetime(2002, 4, 7, 2)
+ dstoff = datetime(2002, 10, 27, 1)
+
+ theclass = datetime
+
+ # Check a time that's inside DST.
+ def checkinside(self, dt, tz, utc, dston, dstoff):
+ self.assertEqual(dt.dst(), HOUR)
+
+ # Conversion to our own timezone is always an identity.
+ self.assertEqual(dt.astimezone(tz), dt)
+
+ asutc = dt.astimezone(utc)
+ there_and_back = asutc.astimezone(tz)
+
+ # Conversion to UTC and back isn't always an identity here,
+ # because there are redundant spellings (in local time) of
+ # UTC time when DST begins: the clock jumps from 1:59:59
+ # to 3:00:00, and a local time of 2:MM:SS doesn't really
+ # make sense then. The classes above treat 2:MM:SS as
+ # daylight time then (it's "after 2am"), really an alias
+ # for 1:MM:SS standard time. The latter form is what
+ # conversion back from UTC produces.
+ if dt.date() == dston.date() and dt.hour == 2:
+ # We're in the redundant hour, and coming back from
+ # UTC gives the 1:MM:SS standard-time spelling.
+ self.assertEqual(there_and_back + HOUR, dt)
+ # Although during was considered to be in daylight
+ # time, there_and_back is not.
+ self.assertEqual(there_and_back.dst(), ZERO)
+ # They're the same times in UTC.
+ self.assertEqual(there_and_back.astimezone(utc),
+ dt.astimezone(utc))
+ else:
+ # We're not in the redundant hour.
+ self.assertEqual(dt, there_and_back)
+
+ # Because we have a redundant spelling when DST begins, there is
+ # (unforunately) an hour when DST ends that can't be spelled at all in
+ # local time. When DST ends, the clock jumps from 1:59 back to 1:00
+ # again. The hour 1:MM DST has no spelling then: 1:MM is taken to be
+ # standard time. 1:MM DST == 0:MM EST, but 0:MM is taken to be
+ # daylight time. The hour 1:MM daylight == 0:MM standard can't be
+ # expressed in local time. Nevertheless, we want conversion back
+ # from UTC to mimic the local clock's "repeat an hour" behavior.
+ nexthour_utc = asutc + HOUR
+ nexthour_tz = nexthour_utc.astimezone(tz)
+ if dt.date() == dstoff.date() and dt.hour == 0:
+ # We're in the hour before the last DST hour. The last DST hour
+ # is ineffable. We want the conversion back to repeat 1:MM.
+ self.assertEqual(nexthour_tz, dt.replace(hour=1))
+ nexthour_utc += HOUR
+ nexthour_tz = nexthour_utc.astimezone(tz)
+ self.assertEqual(nexthour_tz, dt.replace(hour=1))
+ else:
+ self.assertEqual(nexthour_tz - dt, HOUR)
+
+ # Check a time that's outside DST.
+ def checkoutside(self, dt, tz, utc):
+ self.assertEqual(dt.dst(), ZERO)
+
+ # Conversion to our own timezone is always an identity.
+ self.assertEqual(dt.astimezone(tz), dt)
+
+ # Converting to UTC and back is an identity too.
+ asutc = dt.astimezone(utc)
+ there_and_back = asutc.astimezone(tz)
+ self.assertEqual(dt, there_and_back)
+
+ def convert_between_tz_and_utc(self, tz, utc):
+ dston = self.dston.replace(tzinfo=tz)
+ # Because 1:MM on the day DST ends is taken as being standard time,
+ # there is no spelling in tz for the last hour of daylight time.
+ # For purposes of the test, the last hour of DST is 0:MM, which is
+ # taken as being daylight time (and 1:MM is taken as being standard
+ # time).
+ dstoff = self.dstoff.replace(tzinfo=tz)
+ for delta in (timedelta(weeks=13),
+ DAY,
+ HOUR,
+ timedelta(minutes=1),
+ timedelta(microseconds=1)):
+
+ self.checkinside(dston, tz, utc, dston, dstoff)
+ for during in dston + delta, dstoff - delta:
+ self.checkinside(during, tz, utc, dston, dstoff)
+
+ self.checkoutside(dstoff, tz, utc)
+ for outside in dston - delta, dstoff + delta:
+ self.checkoutside(outside, tz, utc)
+
+ def test_easy(self):
+ # Despite the name of this test, the endcases are excruciating.
+ self.convert_between_tz_and_utc(Eastern, utc_real)
+ self.convert_between_tz_and_utc(Pacific, utc_real)
+ self.convert_between_tz_and_utc(Eastern, utc_fake)
+ self.convert_between_tz_and_utc(Pacific, utc_fake)
+ # The next is really dancing near the edge. It works because
+ # Pacific and Eastern are far enough apart that their "problem
+ # hours" don't overlap.
+ self.convert_between_tz_and_utc(Eastern, Pacific)
+ self.convert_between_tz_and_utc(Pacific, Eastern)
+ # OTOH, these fail! Don't enable them. The difficulty is that
+ # the edge case tests assume that every hour is representable in
+ # the "utc" class. This is always true for a fixed-offset tzinfo
+ # class (lke utc_real and utc_fake), but not for Eastern or Central.
+ # For these adjacent DST-aware time zones, the range of time offsets
+ # tested ends up creating hours in the one that aren't representable
+ # in the other. For the same reason, we would see failures in the
+ # Eastern vs Pacific tests too if we added 3*HOUR to the list of
+ # offset deltas in convert_between_tz_and_utc().
+ #
+ # self.convert_between_tz_and_utc(Eastern, Central) # can't work
+ # self.convert_between_tz_and_utc(Central, Eastern) # can't work
+
+ def test_tricky(self):
+ # 22:00 on day before daylight starts.
+ fourback = self.dston - timedelta(hours=4)
+ ninewest = FixedOffset(-9*60, "-0900", 0)
+ fourback = fourback.replace(tzinfo=ninewest)
+ # 22:00-0900 is 7:00 UTC == 2:00 EST == 3:00 DST. Since it's "after
+ # 2", we should get the 3 spelling.
+ # If we plug 22:00 the day before into Eastern, it "looks like std
+ # time", so its offset is returned as -5, and -5 - -9 = 4. Adding 4
+ # to 22:00 lands on 2:00, which makes no sense in local time (the
+ # local clock jumps from 1 to 3). The point here is to make sure we
+ # get the 3 spelling.
+ expected = self.dston.replace(hour=3)
+ got = fourback.astimezone(Eastern).replace(tzinfo=None)
+ self.assertEqual(expected, got)
+
+ # Similar, but map to 6:00 UTC == 1:00 EST == 2:00 DST. In that
+ # case we want the 1:00 spelling.
+ sixutc = self.dston.replace(hour=6, tzinfo=utc_real)
+ # Now 6:00 "looks like daylight", so the offset wrt Eastern is -4,
+ # and adding -4-0 == -4 gives the 2:00 spelling. We want the 1:00 EST
+ # spelling.
+ expected = self.dston.replace(hour=1)
+ got = sixutc.astimezone(Eastern).replace(tzinfo=None)
+ self.assertEqual(expected, got)
+
+ # Now on the day DST ends, we want "repeat an hour" behavior.
+ # UTC 4:MM 5:MM 6:MM 7:MM checking these
+ # EST 23:MM 0:MM 1:MM 2:MM
+ # EDT 0:MM 1:MM 2:MM 3:MM
+ # wall 0:MM 1:MM 1:MM 2:MM against these
+ for utc in utc_real, utc_fake:
+ for tz in Eastern, Pacific:
+ first_std_hour = self.dstoff - timedelta(hours=2) # 23:MM
+ # Convert that to UTC.
+ first_std_hour -= tz.utcoffset(None)
+ # Adjust for possibly fake UTC.
+ asutc = first_std_hour + utc.utcoffset(None)
+ # First UTC hour to convert; this is 4:00 when utc=utc_real &
+ # tz=Eastern.
+ asutcbase = asutc.replace(tzinfo=utc)
+ for tzhour in (0, 1, 1, 2):
+ expectedbase = self.dstoff.replace(hour=tzhour)
+ for minute in 0, 30, 59:
+ expected = expectedbase.replace(minute=minute)
+ asutc = asutcbase.replace(minute=minute)
+ astz = asutc.astimezone(tz)
+ self.assertEqual(astz.replace(tzinfo=None), expected)
+ asutcbase += HOUR
+
+
+ def test_bogus_dst(self):
+ class ok(tzinfo):
+ def utcoffset(self, dt): return HOUR
+ def dst(self, dt): return HOUR
+
+ now = self.theclass.now().replace(tzinfo=utc_real)
+ # Doesn't blow up.
+ now.astimezone(ok())
+
+ # Does blow up.
+ class notok(ok):
+ def dst(self, dt): return None
+ self.assertRaises(ValueError, now.astimezone, notok())
+
+ # Sometimes blow up. In the following, tzinfo.dst()
+ # implementation may return None or not None depending on
+ # whether DST is assumed to be in effect. In this situation,
+ # a ValueError should be raised by astimezone().
+ class tricky_notok(ok):
+ def dst(self, dt):
+ if dt.year == 2000:
+ return None
+ else:
+ return 10*HOUR
+ dt = self.theclass(2001, 1, 1).replace(tzinfo=utc_real)
+ self.assertRaises(ValueError, dt.astimezone, tricky_notok())
+
+ def test_fromutc(self):
+ self.assertRaises(TypeError, Eastern.fromutc) # not enough args
+ now = datetime.utcnow().replace(tzinfo=utc_real)
+ self.assertRaises(ValueError, Eastern.fromutc, now) # wrong tzinfo
+ now = now.replace(tzinfo=Eastern) # insert correct tzinfo
+ enow = Eastern.fromutc(now) # doesn't blow up
+ self.assertEqual(enow.tzinfo, Eastern) # has right tzinfo member
+ self.assertRaises(TypeError, Eastern.fromutc, now, now) # too many args
+ self.assertRaises(TypeError, Eastern.fromutc, date.today()) # wrong type
+
+ # Always converts UTC to standard time.
+ class FauxUSTimeZone(USTimeZone):
+ def fromutc(self, dt):
+ return dt + self.stdoffset
+ FEastern = FauxUSTimeZone(-5, "FEastern", "FEST", "FEDT")
+
+ # UTC 4:MM 5:MM 6:MM 7:MM 8:MM 9:MM
+ # EST 23:MM 0:MM 1:MM 2:MM 3:MM 4:MM
+ # EDT 0:MM 1:MM 2:MM 3:MM 4:MM 5:MM
+
+ # Check around DST start.
+ start = self.dston.replace(hour=4, tzinfo=Eastern)
+ fstart = start.replace(tzinfo=FEastern)
+ for wall in 23, 0, 1, 3, 4, 5:
+ expected = start.replace(hour=wall)
+ if wall == 23:
+ expected -= timedelta(days=1)
+ got = Eastern.fromutc(start)
+ self.assertEqual(expected, got)
+
+ expected = fstart + FEastern.stdoffset
+ got = FEastern.fromutc(fstart)
+ self.assertEqual(expected, got)
+
+ # Ensure astimezone() calls fromutc() too.
+ got = fstart.replace(tzinfo=utc_real).astimezone(FEastern)
+ self.assertEqual(expected, got)
+
+ start += HOUR
+ fstart += HOUR
+
+ # Check around DST end.
+ start = self.dstoff.replace(hour=4, tzinfo=Eastern)
+ fstart = start.replace(tzinfo=FEastern)
+ for wall in 0, 1, 1, 2, 3, 4:
+ expected = start.replace(hour=wall)
+ got = Eastern.fromutc(start)
+ self.assertEqual(expected, got)
+
+ expected = fstart + FEastern.stdoffset
+ got = FEastern.fromutc(fstart)
+ self.assertEqual(expected, got)
+
+ # Ensure astimezone() calls fromutc() too.
+ got = fstart.replace(tzinfo=utc_real).astimezone(FEastern)
+ self.assertEqual(expected, got)
+
+ start += HOUR
+ fstart += HOUR
+
+
+#############################################################################
+# oddballs
+
+class Oddballs(unittest.TestCase):
+
+ def test_bug_1028306(self):
+ # Trying to compare a date to a datetime should act like a mixed-
+ # type comparison, despite that datetime is a subclass of date.
+ as_date = date.today()
+ as_datetime = datetime.combine(as_date, time())
+ self.assertTrue(as_date != as_datetime)
+ self.assertTrue(as_datetime != as_date)
+ self.assertTrue(not as_date == as_datetime)
+ self.assertTrue(not as_datetime == as_date)
+ self.assertRaises(TypeError, lambda: as_date < as_datetime)
+ self.assertRaises(TypeError, lambda: as_datetime < as_date)
+ self.assertRaises(TypeError, lambda: as_date <= as_datetime)
+ self.assertRaises(TypeError, lambda: as_datetime <= as_date)
+ self.assertRaises(TypeError, lambda: as_date > as_datetime)
+ self.assertRaises(TypeError, lambda: as_datetime > as_date)
+ self.assertRaises(TypeError, lambda: as_date >= as_datetime)
+ self.assertRaises(TypeError, lambda: as_datetime >= as_date)
+
+ # Neverthelss, comparison should work with the base-class (date)
+ # projection if use of a date method is forced.
+ self.assertEqual(as_date.__eq__(as_datetime), True)
+ different_day = (as_date.day + 1) % 20 + 1
+ as_different = as_datetime.replace(day= different_day)
+ self.assertEqual(as_date.__eq__(as_different), False)
+
+ # And date should compare with other subclasses of date. If a
+ # subclass wants to stop this, it's up to the subclass to do so.
+ date_sc = SubclassDate(as_date.year, as_date.month, as_date.day)
+ self.assertEqual(as_date, date_sc)
+ self.assertEqual(date_sc, as_date)
+
+ # Ditto for datetimes.
+ datetime_sc = SubclassDatetime(as_datetime.year, as_datetime.month,
+ as_date.day, 0, 0, 0)
+ self.assertEqual(as_datetime, datetime_sc)
+ self.assertEqual(datetime_sc, as_datetime)
+
+def test_main():
+ support.run_unittest(__name__)
+
+if __name__ == "__main__":
+ test_main()
-"""Test date/time type.
-
-See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases
-"""
-
-import sys
-import pickle
import unittest
-
-from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod
-
-from test import support
-
-from datetime import MINYEAR, MAXYEAR
-from datetime import timedelta
-from datetime import tzinfo
-from datetime import time
-from datetime import timezone
-from datetime import date, datetime
-import time as _time
-
-pickle_choices = [(pickle, pickle, proto)
- for proto in range(pickle.HIGHEST_PROTOCOL + 1)]
-assert len(pickle_choices) == pickle.HIGHEST_PROTOCOL + 1
-
-# An arbitrary collection of objects of non-datetime types, for testing
-# mixed-type comparisons.
-OTHERSTUFF = (10, 34.5, "abc", {}, [], ())
-
-
-# XXX Copied from test_float.
-INF = float("inf")
-NAN = float("nan")
-
-# decorator for skipping tests on non-IEEE 754 platforms
-requires_IEEE_754 = unittest.skipUnless(
- float.__getformat__("double").startswith("IEEE"),
- "test requires IEEE 754 doubles")
-
-
-#############################################################################
-# module tests
-
-class TestModule(unittest.TestCase):
-
- def test_constants(self):
- import datetime
- self.assertEqual(datetime.MINYEAR, 1)
- self.assertEqual(datetime.MAXYEAR, 9999)
-
-#############################################################################
-# tzinfo tests
-
-class FixedOffset(tzinfo):
-
- def __init__(self, offset, name, dstoffset=42):
- if isinstance(offset, int):
- offset = timedelta(minutes=offset)
- if isinstance(dstoffset, int):
- dstoffset = timedelta(minutes=dstoffset)
- self.__offset = offset
- self.__name = name
- self.__dstoffset = dstoffset
- def __repr__(self):
- return self.__name.lower()
- def utcoffset(self, dt):
- return self.__offset
- def tzname(self, dt):
- return self.__name
- def dst(self, dt):
- return self.__dstoffset
-
-class PicklableFixedOffset(FixedOffset):
-
- def __init__(self, offset=None, name=None, dstoffset=None):
- FixedOffset.__init__(self, offset, name, dstoffset)
-
-class TestTZInfo(unittest.TestCase):
-
- def test_non_abstractness(self):
- # In order to allow subclasses to get pickled, the C implementation
- # wasn't able to get away with having __init__ raise
- # NotImplementedError.
- useless = tzinfo()
- dt = datetime.max
- self.assertRaises(NotImplementedError, useless.tzname, dt)
- self.assertRaises(NotImplementedError, useless.utcoffset, dt)
- self.assertRaises(NotImplementedError, useless.dst, dt)
-
- def test_subclass_must_override(self):
- class NotEnough(tzinfo):
- def __init__(self, offset, name):
- self.__offset = offset
- self.__name = name
- self.assertTrue(issubclass(NotEnough, tzinfo))
- ne = NotEnough(3, "NotByALongShot")
- self.assertIsInstance(ne, tzinfo)
-
- dt = datetime.now()
- self.assertRaises(NotImplementedError, ne.tzname, dt)
- self.assertRaises(NotImplementedError, ne.utcoffset, dt)
- self.assertRaises(NotImplementedError, ne.dst, dt)
-
- def test_normal(self):
- fo = FixedOffset(3, "Three")
- self.assertIsInstance(fo, tzinfo)
- for dt in datetime.now(), None:
- self.assertEqual(fo.utcoffset(dt), timedelta(minutes=3))
- self.assertEqual(fo.tzname(dt), "Three")
- self.assertEqual(fo.dst(dt), timedelta(minutes=42))
-
- def test_pickling_base(self):
- # There's no point to pickling tzinfo objects on their own (they
- # carry no data), but they need to be picklable anyway else
- # concrete subclasses can't be pickled.
- orig = tzinfo.__new__(tzinfo)
- self.assertTrue(type(orig) is tzinfo)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertTrue(type(derived) is tzinfo)
-
- def test_pickling_subclass(self):
- # Make sure we can pickle/unpickle an instance of a subclass.
- offset = timedelta(minutes=-300)
- for otype, args in [
- (PicklableFixedOffset, (offset, 'cookie')),
- (timezone, (offset,)),
- (timezone, (offset, "EST"))]:
- orig = otype(*args)
- oname = orig.tzname(None)
- self.assertIsInstance(orig, tzinfo)
- self.assertIs(type(orig), otype)
- self.assertEqual(orig.utcoffset(None), offset)
- self.assertEqual(orig.tzname(None), oname)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertIsInstance(derived, tzinfo)
- self.assertIs(type(derived), otype)
- self.assertEqual(derived.utcoffset(None), offset)
- self.assertEqual(derived.tzname(None), oname)
-
-class TestTimeZone(unittest.TestCase):
-
- def setUp(self):
- self.ACDT = timezone(timedelta(hours=9.5), 'ACDT')
- self.EST = timezone(-timedelta(hours=5), 'EST')
- self.DT = datetime(2010, 1, 1)
-
- def test_str(self):
- for tz in [self.ACDT, self.EST, timezone.utc,
- timezone.min, timezone.max]:
- self.assertEqual(str(tz), tz.tzname(None))
-
- def test_repr(self):
- import datetime
- for tz in [self.ACDT, self.EST, timezone.utc,
- timezone.min, timezone.max]:
- # test round-trip
- tzrep = repr(tz)
- self.assertEqual(tz, eval(tzrep))
-
-
- def test_class_members(self):
- limit = timedelta(hours=23, minutes=59)
- self.assertEqual(timezone.utc.utcoffset(None), ZERO)
- self.assertEqual(timezone.min.utcoffset(None), -limit)
- self.assertEqual(timezone.max.utcoffset(None), limit)
-
-
- def test_constructor(self):
- self.assertEqual(timezone.utc, timezone(timedelta(0)))
- # invalid offsets
- for invalid in [timedelta(microseconds=1), timedelta(1, 1),
- timedelta(seconds=1), timedelta(1), -timedelta(1)]:
- self.assertRaises(ValueError, timezone, invalid)
- self.assertRaises(ValueError, timezone, -invalid)
-
- with self.assertRaises(TypeError): timezone(None)
- with self.assertRaises(TypeError): timezone(42)
- with self.assertRaises(TypeError): timezone(ZERO, None)
- with self.assertRaises(TypeError): timezone(ZERO, 42)
- with self.assertRaises(TypeError): timezone(ZERO, 'ABC', 'extra')
-
- def test_inheritance(self):
- self.assertIsInstance(timezone.utc, tzinfo)
- self.assertIsInstance(self.EST, tzinfo)
-
- def test_utcoffset(self):
- dummy = self.DT
- for h in [0, 1.5, 12]:
- offset = h * HOUR
- self.assertEqual(offset, timezone(offset).utcoffset(dummy))
- self.assertEqual(-offset, timezone(-offset).utcoffset(dummy))
-
- with self.assertRaises(TypeError): self.EST.utcoffset('')
- with self.assertRaises(TypeError): self.EST.utcoffset(5)
-
-
- def test_dst(self):
- self.assertEqual(None, timezone.utc.dst(self.DT))
-
- with self.assertRaises(TypeError): self.EST.dst('')
- with self.assertRaises(TypeError): self.EST.dst(5)
-
- def test_tzname(self):
- self.assertEqual('UTC+00:00', timezone(ZERO).tzname(None))
- self.assertEqual('UTC-05:00', timezone(-5 * HOUR).tzname(None))
- self.assertEqual('UTC+09:30', timezone(9.5 * HOUR).tzname(None))
- self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None))
- self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None))
-
- with self.assertRaises(TypeError): self.EST.tzname('')
- with self.assertRaises(TypeError): self.EST.tzname(5)
-
- def test_fromutc(self):
- with self.assertRaises(ValueError):
- timezone.utc.fromutc(self.DT)
- with self.assertRaises(TypeError):
- timezone.utc.fromutc('not datetime')
- for tz in [self.EST, self.ACDT, Eastern]:
- utctime = self.DT.replace(tzinfo=tz)
- local = tz.fromutc(utctime)
- self.assertEqual(local - utctime, tz.utcoffset(local))
- self.assertEqual(local,
- self.DT.replace(tzinfo=timezone.utc))
-
- def test_comparison(self):
- self.assertNotEqual(timezone(ZERO), timezone(HOUR))
- self.assertEqual(timezone(HOUR), timezone(HOUR))
- self.assertEqual(timezone(-5 * HOUR), timezone(-5 * HOUR, 'EST'))
- with self.assertRaises(TypeError): timezone(ZERO) < timezone(ZERO)
- self.assertIn(timezone(ZERO), {timezone(ZERO)})
-
- def test_aware_datetime(self):
- # test that timezone instances can be used by datetime
- t = datetime(1, 1, 1)
- for tz in [timezone.min, timezone.max, timezone.utc]:
- self.assertEqual(tz.tzname(t),
- t.replace(tzinfo=tz).tzname())
- self.assertEqual(tz.utcoffset(t),
- t.replace(tzinfo=tz).utcoffset())
- self.assertEqual(tz.dst(t),
- t.replace(tzinfo=tz).dst())
-
-#############################################################################
-# Base clase for testing a particular aspect of timedelta, time, date and
-# datetime comparisons.
-
-class HarmlessMixedComparison:
- # Test that __eq__ and __ne__ don't complain for mixed-type comparisons.
-
- # Subclasses must define 'theclass', and theclass(1, 1, 1) must be a
- # legit constructor.
-
- def test_harmless_mixed_comparison(self):
- me = self.theclass(1, 1, 1)
-
- self.assertFalse(me == ())
- self.assertTrue(me != ())
- self.assertFalse(() == me)
- self.assertTrue(() != me)
-
- self.assertIn(me, [1, 20, [], me])
- self.assertIn([], [me, 1, 20, []])
-
- def test_harmful_mixed_comparison(self):
- me = self.theclass(1, 1, 1)
-
- self.assertRaises(TypeError, lambda: me < ())
- self.assertRaises(TypeError, lambda: me <= ())
- self.assertRaises(TypeError, lambda: me > ())
- self.assertRaises(TypeError, lambda: me >= ())
-
- self.assertRaises(TypeError, lambda: () < me)
- self.assertRaises(TypeError, lambda: () <= me)
- self.assertRaises(TypeError, lambda: () > me)
- self.assertRaises(TypeError, lambda: () >= me)
-
-#############################################################################
-# timedelta tests
-
-class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
-
- theclass = timedelta
-
- def test_constructor(self):
- eq = self.assertEqual
- td = timedelta
-
- # Check keyword args to constructor
- eq(td(), td(weeks=0, days=0, hours=0, minutes=0, seconds=0,
- milliseconds=0, microseconds=0))
- eq(td(1), td(days=1))
- eq(td(0, 1), td(seconds=1))
- eq(td(0, 0, 1), td(microseconds=1))
- eq(td(weeks=1), td(days=7))
- eq(td(days=1), td(hours=24))
- eq(td(hours=1), td(minutes=60))
- eq(td(minutes=1), td(seconds=60))
- eq(td(seconds=1), td(milliseconds=1000))
- eq(td(milliseconds=1), td(microseconds=1000))
-
- # Check float args to constructor
- eq(td(weeks=1.0/7), td(days=1))
- eq(td(days=1.0/24), td(hours=1))
- eq(td(hours=1.0/60), td(minutes=1))
- eq(td(minutes=1.0/60), td(seconds=1))
- eq(td(seconds=0.001), td(milliseconds=1))
- eq(td(milliseconds=0.001), td(microseconds=1))
-
- def test_computations(self):
- eq = self.assertEqual
- td = timedelta
-
- a = td(7) # One week
- b = td(0, 60) # One minute
- c = td(0, 0, 1000) # One millisecond
- eq(a+b+c, td(7, 60, 1000))
- eq(a-b, td(6, 24*3600 - 60))
- eq(b.__rsub__(a), td(6, 24*3600 - 60))
- eq(-a, td(-7))
- eq(+a, td(7))
- eq(-b, td(-1, 24*3600 - 60))
- eq(-c, td(-1, 24*3600 - 1, 999000))
- eq(abs(a), a)
- eq(abs(-a), a)
- eq(td(6, 24*3600), a)
- eq(td(0, 0, 60*1000000), b)
- eq(a*10, td(70))
- eq(a*10, 10*a)
- eq(a*10, 10*a)
- eq(b*10, td(0, 600))
- eq(10*b, td(0, 600))
- eq(b*10, td(0, 600))
- eq(c*10, td(0, 0, 10000))
- eq(10*c, td(0, 0, 10000))
- eq(c*10, td(0, 0, 10000))
- eq(a*-1, -a)
- eq(b*-2, -b-b)
- eq(c*-2, -c+-c)
- eq(b*(60*24), (b*60)*24)
- eq(b*(60*24), (60*b)*24)
- eq(c*1000, td(0, 1))
- eq(1000*c, td(0, 1))
- eq(a//7, td(1))
- eq(b//10, td(0, 6))
- eq(c//1000, td(0, 0, 1))
- eq(a//10, td(0, 7*24*360))
- eq(a//3600000, td(0, 0, 7*24*1000))
- eq(a/0.5, td(14))
- eq(b/0.5, td(0, 120))
- eq(a/7, td(1))
- eq(b/10, td(0, 6))
- eq(c/1000, td(0, 0, 1))
- eq(a/10, td(0, 7*24*360))
- eq(a/3600000, td(0, 0, 7*24*1000))
-
- # Multiplication by float
- us = td(microseconds=1)
- eq((3*us) * 0.5, 2*us)
- eq((5*us) * 0.5, 2*us)
- eq(0.5 * (3*us), 2*us)
- eq(0.5 * (5*us), 2*us)
- eq((-3*us) * 0.5, -2*us)
- eq((-5*us) * 0.5, -2*us)
-
- # Division by int and float
- eq((3*us) / 2, 2*us)
- eq((5*us) / 2, 2*us)
- eq((-3*us) / 2.0, -2*us)
- eq((-5*us) / 2.0, -2*us)
- eq((3*us) / -2, -2*us)
- eq((5*us) / -2, -2*us)
- eq((3*us) / -2.0, -2*us)
- eq((5*us) / -2.0, -2*us)
- for i in range(-10, 10):
- eq((i*us/3)//us, round(i/3))
- for i in range(-10, 10):
- eq((i*us/-3)//us, round(i/-3))
-
- def test_disallowed_computations(self):
- a = timedelta(42)
-
- # Add/sub ints or floats should be illegal
- for i in 1, 1.0:
- self.assertRaises(TypeError, lambda: a+i)
- self.assertRaises(TypeError, lambda: a-i)
- self.assertRaises(TypeError, lambda: i+a)
- self.assertRaises(TypeError, lambda: i-a)
-
- # Division of int by timedelta doesn't make sense.
- # Division by zero doesn't make sense.
- zero = 0
- self.assertRaises(TypeError, lambda: zero // a)
- self.assertRaises(ZeroDivisionError, lambda: a // zero)
- self.assertRaises(ZeroDivisionError, lambda: a / zero)
- self.assertRaises(ZeroDivisionError, lambda: a / 0.0)
- self.assertRaises(TypeError, lambda: a / '')
-
- @requires_IEEE_754
- def test_disallowed_special(self):
- a = timedelta(42)
- self.assertRaises(ValueError, a.__mul__, NAN)
- self.assertRaises(ValueError, a.__truediv__, NAN)
-
- def test_basic_attributes(self):
- days, seconds, us = 1, 7, 31
- td = timedelta(days, seconds, us)
- self.assertEqual(td.days, days)
- self.assertEqual(td.seconds, seconds)
- self.assertEqual(td.microseconds, us)
-
- def test_total_seconds(self):
- td = timedelta(days=365)
- self.assertEqual(td.total_seconds(), 31536000.0)
- for total_seconds in [123456.789012, -123456.789012, 0.123456, 0, 1e6]:
- td = timedelta(seconds=total_seconds)
- self.assertEqual(td.total_seconds(), total_seconds)
- # Issue8644: Test that td.total_seconds() has the same
- # accuracy as td / timedelta(seconds=1).
- for ms in [-1, -2, -123]:
- td = timedelta(microseconds=ms)
- self.assertEqual(td.total_seconds(), td / timedelta(seconds=1))
-
- def test_carries(self):
- t1 = timedelta(days=100,
- weeks=-7,
- hours=-24*(100-49),
- minutes=-3,
- seconds=12,
- microseconds=(3*60 - 12) * 1e6 + 1)
- t2 = timedelta(microseconds=1)
- self.assertEqual(t1, t2)
-
- def test_hash_equality(self):
- t1 = timedelta(days=100,
- weeks=-7,
- hours=-24*(100-49),
- minutes=-3,
- seconds=12,
- microseconds=(3*60 - 12) * 1000000)
- t2 = timedelta()
- self.assertEqual(hash(t1), hash(t2))
-
- t1 += timedelta(weeks=7)
- t2 += timedelta(days=7*7)
- self.assertEqual(t1, t2)
- self.assertEqual(hash(t1), hash(t2))
-
- d = {t1: 1}
- d[t2] = 2
- self.assertEqual(len(d), 1)
- self.assertEqual(d[t1], 2)
-
- def test_pickling(self):
- args = 12, 34, 56
- orig = timedelta(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_compare(self):
- t1 = timedelta(2, 3, 4)
- t2 = timedelta(2, 3, 4)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for args in (3, 3, 3), (2, 4, 4), (2, 3, 5):
- t2 = timedelta(*args) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
- for badarg in OTHERSTUFF:
- self.assertEqual(t1 == badarg, False)
- self.assertEqual(t1 != badarg, True)
- self.assertEqual(badarg == t1, False)
- self.assertEqual(badarg != t1, True)
-
- self.assertRaises(TypeError, lambda: t1 <= badarg)
- self.assertRaises(TypeError, lambda: t1 < badarg)
- self.assertRaises(TypeError, lambda: t1 > badarg)
- self.assertRaises(TypeError, lambda: t1 >= badarg)
- self.assertRaises(TypeError, lambda: badarg <= t1)
- self.assertRaises(TypeError, lambda: badarg < t1)
- self.assertRaises(TypeError, lambda: badarg > t1)
- self.assertRaises(TypeError, lambda: badarg >= t1)
-
- def test_str(self):
- td = timedelta
- eq = self.assertEqual
-
- eq(str(td(1)), "1 day, 0:00:00")
- eq(str(td(-1)), "-1 day, 0:00:00")
- eq(str(td(2)), "2 days, 0:00:00")
- eq(str(td(-2)), "-2 days, 0:00:00")
-
- eq(str(td(hours=12, minutes=58, seconds=59)), "12:58:59")
- eq(str(td(hours=2, minutes=3, seconds=4)), "2:03:04")
- eq(str(td(weeks=-30, hours=23, minutes=12, seconds=34)),
- "-210 days, 23:12:34")
-
- eq(str(td(milliseconds=1)), "0:00:00.001000")
- eq(str(td(microseconds=3)), "0:00:00.000003")
-
- eq(str(td(days=999999999, hours=23, minutes=59, seconds=59,
- microseconds=999999)),
- "999999999 days, 23:59:59.999999")
-
- def test_repr(self):
- name = 'datetime.' + self.theclass.__name__
- self.assertEqual(repr(self.theclass(1)),
- "%s(1)" % name)
- self.assertEqual(repr(self.theclass(10, 2)),
- "%s(10, 2)" % name)
- self.assertEqual(repr(self.theclass(-10, 2, 400000)),
- "%s(-10, 2, 400000)" % name)
-
- def test_roundtrip(self):
- for td in (timedelta(days=999999999, hours=23, minutes=59,
- seconds=59, microseconds=999999),
- timedelta(days=-999999999),
- timedelta(days=-999999999, seconds=1),
- timedelta(days=1, seconds=2, microseconds=3)):
-
- # Verify td -> string -> td identity.
- s = repr(td)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- td2 = eval(s)
- self.assertEqual(td, td2)
-
- # Verify identity via reconstructing from pieces.
- td2 = timedelta(td.days, td.seconds, td.microseconds)
- self.assertEqual(td, td2)
-
- def test_resolution_info(self):
- self.assertIsInstance(timedelta.min, timedelta)
- self.assertIsInstance(timedelta.max, timedelta)
- self.assertIsInstance(timedelta.resolution, timedelta)
- self.assertTrue(timedelta.max > timedelta.min)
- self.assertEqual(timedelta.min, timedelta(-999999999))
- self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1))
- self.assertEqual(timedelta.resolution, timedelta(0, 0, 1))
-
- def test_overflow(self):
- tiny = timedelta.resolution
-
- td = timedelta.min + tiny
- td -= tiny # no problem
- self.assertRaises(OverflowError, td.__sub__, tiny)
- self.assertRaises(OverflowError, td.__add__, -tiny)
-
- td = timedelta.max - tiny
- td += tiny # no problem
- self.assertRaises(OverflowError, td.__add__, tiny)
- self.assertRaises(OverflowError, td.__sub__, -tiny)
-
- self.assertRaises(OverflowError, lambda: -timedelta.max)
-
- day = timedelta(1)
- self.assertRaises(OverflowError, day.__mul__, 10**9)
- self.assertRaises(OverflowError, day.__mul__, 1e9)
- self.assertRaises(OverflowError, day.__truediv__, 1e-20)
- self.assertRaises(OverflowError, day.__truediv__, 1e-10)
- self.assertRaises(OverflowError, day.__truediv__, 9e-10)
-
- @requires_IEEE_754
- def _test_overflow_special(self):
- day = timedelta(1)
- self.assertRaises(OverflowError, day.__mul__, INF)
- self.assertRaises(OverflowError, day.__mul__, -INF)
-
- def test_microsecond_rounding(self):
- td = timedelta
- eq = self.assertEqual
-
- # Single-field rounding.
- eq(td(milliseconds=0.4/1000), td(0)) # rounds to 0
- eq(td(milliseconds=-0.4/1000), td(0)) # rounds to 0
- eq(td(milliseconds=0.6/1000), td(microseconds=1))
- eq(td(milliseconds=-0.6/1000), td(microseconds=-1))
-
- # Rounding due to contributions from more than one field.
- us_per_hour = 3600e6
- us_per_day = us_per_hour * 24
- eq(td(days=.4/us_per_day), td(0))
- eq(td(hours=.2/us_per_hour), td(0))
- eq(td(days=.4/us_per_day, hours=.2/us_per_hour), td(microseconds=1))
-
- eq(td(days=-.4/us_per_day), td(0))
- eq(td(hours=-.2/us_per_hour), td(0))
- eq(td(days=-.4/us_per_day, hours=-.2/us_per_hour), td(microseconds=-1))
-
- def test_massive_normalization(self):
- td = timedelta(microseconds=-1)
- self.assertEqual((td.days, td.seconds, td.microseconds),
- (-1, 24*3600-1, 999999))
-
- def test_bool(self):
- self.assertTrue(timedelta(1))
- self.assertTrue(timedelta(0, 1))
- self.assertTrue(timedelta(0, 0, 1))
- self.assertTrue(timedelta(microseconds=1))
- self.assertTrue(not timedelta(0))
-
- def test_subclass_timedelta(self):
-
- class T(timedelta):
- @staticmethod
- def from_td(td):
- return T(td.days, td.seconds, td.microseconds)
-
- def as_hours(self):
- sum = (self.days * 24 +
- self.seconds / 3600.0 +
- self.microseconds / 3600e6)
- return round(sum)
-
- t1 = T(days=1)
- self.assertTrue(type(t1) is T)
- self.assertEqual(t1.as_hours(), 24)
-
- t2 = T(days=-1, seconds=-3600)
- self.assertTrue(type(t2) is T)
- self.assertEqual(t2.as_hours(), -25)
-
- t3 = t1 + t2
- self.assertTrue(type(t3) is timedelta)
- t4 = T.from_td(t3)
- self.assertTrue(type(t4) is T)
- self.assertEqual(t3.days, t4.days)
- self.assertEqual(t3.seconds, t4.seconds)
- self.assertEqual(t3.microseconds, t4.microseconds)
- self.assertEqual(str(t3), str(t4))
- self.assertEqual(t4.as_hours(), -1)
-
- def test_division(self):
- t = timedelta(hours=1, minutes=24, seconds=19)
- second = timedelta(seconds=1)
- self.assertEqual(t / second, 5059.0)
- self.assertEqual(t // second, 5059)
-
- t = timedelta(minutes=2, seconds=30)
- minute = timedelta(minutes=1)
- self.assertEqual(t / minute, 2.5)
- self.assertEqual(t // minute, 2)
-
- zerotd = timedelta(0)
- self.assertRaises(ZeroDivisionError, truediv, t, zerotd)
- self.assertRaises(ZeroDivisionError, floordiv, t, zerotd)
-
- # self.assertRaises(TypeError, truediv, t, 2)
- # note: floor division of a timedelta by an integer *is*
- # currently permitted.
-
- def test_remainder(self):
- t = timedelta(minutes=2, seconds=30)
- minute = timedelta(minutes=1)
- r = t % minute
- self.assertEqual(r, timedelta(seconds=30))
-
- t = timedelta(minutes=-2, seconds=30)
- r = t % minute
- self.assertEqual(r, timedelta(seconds=30))
-
- zerotd = timedelta(0)
- self.assertRaises(ZeroDivisionError, mod, t, zerotd)
-
- self.assertRaises(TypeError, mod, t, 10)
-
- def test_divmod(self):
- t = timedelta(minutes=2, seconds=30)
- minute = timedelta(minutes=1)
- q, r = divmod(t, minute)
- self.assertEqual(q, 2)
- self.assertEqual(r, timedelta(seconds=30))
-
- t = timedelta(minutes=-2, seconds=30)
- q, r = divmod(t, minute)
- self.assertEqual(q, -2)
- self.assertEqual(r, timedelta(seconds=30))
-
- zerotd = timedelta(0)
- self.assertRaises(ZeroDivisionError, divmod, t, zerotd)
-
- self.assertRaises(TypeError, divmod, t, 10)
-
-
-#############################################################################
-# date tests
-
-class TestDateOnly(unittest.TestCase):
- # Tests here won't pass if also run on datetime objects, so don't
- # subclass this to test datetimes too.
-
- def test_delta_non_days_ignored(self):
- dt = date(2000, 1, 2)
- delta = timedelta(days=1, hours=2, minutes=3, seconds=4,
- microseconds=5)
- days = timedelta(delta.days)
- self.assertEqual(days, timedelta(1))
-
- dt2 = dt + delta
- self.assertEqual(dt2, dt + days)
-
- dt2 = delta + dt
- self.assertEqual(dt2, dt + days)
-
- dt2 = dt - delta
- self.assertEqual(dt2, dt - days)
-
- delta = -delta
- days = timedelta(delta.days)
- self.assertEqual(days, timedelta(-2))
-
- dt2 = dt + delta
- self.assertEqual(dt2, dt + days)
-
- dt2 = delta + dt
- self.assertEqual(dt2, dt + days)
-
- dt2 = dt - delta
- self.assertEqual(dt2, dt - days)
-
-class SubclassDate(date):
- sub_var = 1
-
-class TestDate(HarmlessMixedComparison, unittest.TestCase):
- # Tests here should pass for both dates and datetimes, except for a
- # few tests that TestDateTime overrides.
-
- theclass = date
-
- def test_basic_attributes(self):
- dt = self.theclass(2002, 3, 1)
- self.assertEqual(dt.year, 2002)
- self.assertEqual(dt.month, 3)
- self.assertEqual(dt.day, 1)
-
- def test_roundtrip(self):
- for dt in (self.theclass(1, 2, 3),
- self.theclass.today()):
- # Verify dt -> string -> date identity.
- s = repr(dt)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- dt2 = eval(s)
- self.assertEqual(dt, dt2)
-
- # Verify identity via reconstructing from pieces.
- dt2 = self.theclass(dt.year, dt.month, dt.day)
- self.assertEqual(dt, dt2)
-
- def test_ordinal_conversions(self):
- # Check some fixed values.
- for y, m, d, n in [(1, 1, 1, 1), # calendar origin
- (1, 12, 31, 365),
- (2, 1, 1, 366),
- # first example from "Calendrical Calculations"
- (1945, 11, 12, 710347)]:
- d = self.theclass(y, m, d)
- self.assertEqual(n, d.toordinal())
- fromord = self.theclass.fromordinal(n)
- self.assertEqual(d, fromord)
- if hasattr(fromord, "hour"):
- # if we're checking something fancier than a date, verify
- # the extra fields have been zeroed out
- self.assertEqual(fromord.hour, 0)
- self.assertEqual(fromord.minute, 0)
- self.assertEqual(fromord.second, 0)
- self.assertEqual(fromord.microsecond, 0)
-
- # Check first and last days of year spottily across the whole
- # range of years supported.
- for year in range(MINYEAR, MAXYEAR+1, 7):
- # Verify (year, 1, 1) -> ordinal -> y, m, d is identity.
- d = self.theclass(year, 1, 1)
- n = d.toordinal()
- d2 = self.theclass.fromordinal(n)
- self.assertEqual(d, d2)
- # Verify that moving back a day gets to the end of year-1.
- if year > 1:
- d = self.theclass.fromordinal(n-1)
- d2 = self.theclass(year-1, 12, 31)
- self.assertEqual(d, d2)
- self.assertEqual(d2.toordinal(), n-1)
-
- # Test every day in a leap-year and a non-leap year.
- dim = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
- for year, isleap in (2000, True), (2002, False):
- n = self.theclass(year, 1, 1).toordinal()
- for month, maxday in zip(range(1, 13), dim):
- if month == 2 and isleap:
- maxday += 1
- for day in range(1, maxday+1):
- d = self.theclass(year, month, day)
- self.assertEqual(d.toordinal(), n)
- self.assertEqual(d, self.theclass.fromordinal(n))
- n += 1
-
- def test_extreme_ordinals(self):
- a = self.theclass.min
- a = self.theclass(a.year, a.month, a.day) # get rid of time parts
- aord = a.toordinal()
- b = a.fromordinal(aord)
- self.assertEqual(a, b)
-
- self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))
-
- b = a + timedelta(days=1)
- self.assertEqual(b.toordinal(), aord + 1)
- self.assertEqual(b, self.theclass.fromordinal(aord + 1))
-
- a = self.theclass.max
- a = self.theclass(a.year, a.month, a.day) # get rid of time parts
- aord = a.toordinal()
- b = a.fromordinal(aord)
- self.assertEqual(a, b)
-
- self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))
-
- b = a - timedelta(days=1)
- self.assertEqual(b.toordinal(), aord - 1)
- self.assertEqual(b, self.theclass.fromordinal(aord - 1))
-
- def test_bad_constructor_arguments(self):
- # bad years
- self.theclass(MINYEAR, 1, 1) # no exception
- self.theclass(MAXYEAR, 1, 1) # no exception
- self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1)
- self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1)
- # bad months
- self.theclass(2000, 1, 1) # no exception
- self.theclass(2000, 12, 1) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 0, 1)
- self.assertRaises(ValueError, self.theclass, 2000, 13, 1)
- # bad days
- self.theclass(2000, 2, 29) # no exception
- self.theclass(2004, 2, 29) # no exception
- self.theclass(2400, 2, 29) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 2, 30)
- self.assertRaises(ValueError, self.theclass, 2001, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2100, 2, 29)
- self.assertRaises(ValueError, self.theclass, 1900, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 0)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 32)
-
- def test_hash_equality(self):
- d = self.theclass(2000, 12, 31)
- # same thing
- e = self.theclass(2000, 12, 31)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- d = self.theclass(2001, 1, 1)
- # same thing
- e = self.theclass(2001, 1, 1)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- def test_computations(self):
- a = self.theclass(2002, 1, 31)
- b = self.theclass(1956, 1, 31)
- c = self.theclass(2001,2,1)
-
- diff = a-b
- self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4)))
- self.assertEqual(diff.seconds, 0)
- self.assertEqual(diff.microseconds, 0)
-
- day = timedelta(1)
- week = timedelta(7)
- a = self.theclass(2002, 3, 2)
- self.assertEqual(a + day, self.theclass(2002, 3, 3))
- self.assertEqual(day + a, self.theclass(2002, 3, 3))
- self.assertEqual(a - day, self.theclass(2002, 3, 1))
- self.assertEqual(-day + a, self.theclass(2002, 3, 1))
- self.assertEqual(a + week, self.theclass(2002, 3, 9))
- self.assertEqual(a - week, self.theclass(2002, 2, 23))
- self.assertEqual(a + 52*week, self.theclass(2003, 3, 1))
- self.assertEqual(a - 52*week, self.theclass(2001, 3, 3))
- self.assertEqual((a + week) - a, week)
- self.assertEqual((a + day) - a, day)
- self.assertEqual((a - week) - a, -week)
- self.assertEqual((a - day) - a, -day)
- self.assertEqual(a - (a + week), -week)
- self.assertEqual(a - (a + day), -day)
- self.assertEqual(a - (a - week), week)
- self.assertEqual(a - (a - day), day)
- self.assertEqual(c - (c - day), day)
-
- # Add/sub ints or floats should be illegal
- for i in 1, 1.0:
- self.assertRaises(TypeError, lambda: a+i)
- self.assertRaises(TypeError, lambda: a-i)
- self.assertRaises(TypeError, lambda: i+a)
- self.assertRaises(TypeError, lambda: i-a)
-
- # delta - date is senseless.
- self.assertRaises(TypeError, lambda: day - a)
- # mixing date and (delta or date) via * or // is senseless
- self.assertRaises(TypeError, lambda: day * a)
- self.assertRaises(TypeError, lambda: a * day)
- self.assertRaises(TypeError, lambda: day // a)
- self.assertRaises(TypeError, lambda: a // day)
- self.assertRaises(TypeError, lambda: a * a)
- self.assertRaises(TypeError, lambda: a // a)
- # date + date is senseless
- self.assertRaises(TypeError, lambda: a + a)
-
- def test_overflow(self):
- tiny = self.theclass.resolution
-
- for delta in [tiny, timedelta(1), timedelta(2)]:
- dt = self.theclass.min + delta
- dt -= delta # no problem
- self.assertRaises(OverflowError, dt.__sub__, delta)
- self.assertRaises(OverflowError, dt.__add__, -delta)
-
- dt = self.theclass.max - delta
- dt += delta # no problem
- self.assertRaises(OverflowError, dt.__add__, delta)
- self.assertRaises(OverflowError, dt.__sub__, -delta)
-
- def test_fromtimestamp(self):
- import time
-
- # Try an arbitrary fixed value.
- year, month, day = 1999, 9, 19
- ts = time.mktime((year, month, day, 0, 0, 0, 0, 0, -1))
- d = self.theclass.fromtimestamp(ts)
- self.assertEqual(d.year, year)
- self.assertEqual(d.month, month)
- self.assertEqual(d.day, day)
-
- def test_insane_fromtimestamp(self):
- # It's possible that some platform maps time_t to double,
- # and that this test will fail there. This test should
- # exempt such platforms (provided they return reasonable
- # results!).
- for insane in -1e200, 1e200:
- self.assertRaises(ValueError, self.theclass.fromtimestamp,
- insane)
-
- def test_today(self):
- import time
-
- # We claim that today() is like fromtimestamp(time.time()), so
- # prove it.
- for dummy in range(3):
- today = self.theclass.today()
- ts = time.time()
- todayagain = self.theclass.fromtimestamp(ts)
- if today == todayagain:
- break
- # There are several legit reasons that could fail:
- # 1. It recently became midnight, between the today() and the
- # time() calls.
- # 2. The platform time() has such fine resolution that we'll
- # never get the same value twice.
- # 3. The platform time() has poor resolution, and we just
- # happened to call today() right before a resolution quantum
- # boundary.
- # 4. The system clock got fiddled between calls.
- # In any case, wait a little while and try again.
- time.sleep(0.1)
-
- # It worked or it didn't. If it didn't, assume it's reason #2, and
- # let the test pass if they're within half a second of each other.
- self.assertTrue(today == todayagain or
- abs(todayagain - today) < timedelta(seconds=0.5))
-
- def test_weekday(self):
- for i in range(7):
- # March 4, 2002 is a Monday
- self.assertEqual(self.theclass(2002, 3, 4+i).weekday(), i)
- self.assertEqual(self.theclass(2002, 3, 4+i).isoweekday(), i+1)
- # January 2, 1956 is a Monday
- self.assertEqual(self.theclass(1956, 1, 2+i).weekday(), i)
- self.assertEqual(self.theclass(1956, 1, 2+i).isoweekday(), i+1)
-
- def test_isocalendar(self):
- # Check examples from
- # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
- for i in range(7):
- d = self.theclass(2003, 12, 22+i)
- self.assertEqual(d.isocalendar(), (2003, 52, i+1))
- d = self.theclass(2003, 12, 29) + timedelta(i)
- self.assertEqual(d.isocalendar(), (2004, 1, i+1))
- d = self.theclass(2004, 1, 5+i)
- self.assertEqual(d.isocalendar(), (2004, 2, i+1))
- d = self.theclass(2009, 12, 21+i)
- self.assertEqual(d.isocalendar(), (2009, 52, i+1))
- d = self.theclass(2009, 12, 28) + timedelta(i)
- self.assertEqual(d.isocalendar(), (2009, 53, i+1))
- d = self.theclass(2010, 1, 4+i)
- self.assertEqual(d.isocalendar(), (2010, 1, i+1))
-
- def test_iso_long_years(self):
- # Calculate long ISO years and compare to table from
- # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm
- ISO_LONG_YEARS_TABLE = """
- 4 32 60 88
- 9 37 65 93
- 15 43 71 99
- 20 48 76
- 26 54 82
-
- 105 133 161 189
- 111 139 167 195
- 116 144 172
- 122 150 178
- 128 156 184
-
- 201 229 257 285
- 207 235 263 291
- 212 240 268 296
- 218 246 274
- 224 252 280
-
- 303 331 359 387
- 308 336 364 392
- 314 342 370 398
- 320 348 376
- 325 353 381
- """
- iso_long_years = sorted(map(int, ISO_LONG_YEARS_TABLE.split()))
- L = []
- for i in range(400):
- d = self.theclass(2000+i, 12, 31)
- d1 = self.theclass(1600+i, 12, 31)
- self.assertEqual(d.isocalendar()[1:], d1.isocalendar()[1:])
- if d.isocalendar()[1] == 53:
- L.append(i)
- self.assertEqual(L, iso_long_years)
-
- def test_isoformat(self):
- t = self.theclass(2, 3, 2)
- self.assertEqual(t.isoformat(), "0002-03-02")
-
- def test_ctime(self):
- t = self.theclass(2002, 3, 2)
- self.assertEqual(t.ctime(), "Sat Mar 2 00:00:00 2002")
-
- def test_strftime(self):
- t = self.theclass(2005, 3, 2)
- self.assertEqual(t.strftime("m:%m d:%d y:%y"), "m:03 d:02 y:05")
- self.assertEqual(t.strftime(""), "") # SF bug #761337
- self.assertEqual(t.strftime('x'*1000), 'x'*1000) # SF bug #1556784
-
- self.assertRaises(TypeError, t.strftime) # needs an arg
- self.assertRaises(TypeError, t.strftime, "one", "two") # too many args
- self.assertRaises(TypeError, t.strftime, 42) # arg wrong type
-
- # test that unicode input is allowed (issue 2782)
- self.assertEqual(t.strftime("%m"), "03")
-
- # A naive object replaces %z and %Z w/ empty strings.
- self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")
-
- #make sure that invalid format specifiers are handled correctly
- #self.assertRaises(ValueError, t.strftime, "%e")
- #self.assertRaises(ValueError, t.strftime, "%")
- #self.assertRaises(ValueError, t.strftime, "%#")
-
- #oh well, some systems just ignore those invalid ones.
- #at least, excercise them to make sure that no crashes
- #are generated
- for f in ["%e", "%", "%#"]:
- try:
- t.strftime(f)
- except ValueError:
- pass
-
- #check that this standard extension works
- t.strftime("%f")
-
-
- def test_format(self):
- dt = self.theclass(2007, 9, 10)
- self.assertEqual(dt.__format__(''), str(dt))
-
- # check that a derived class's __str__() gets called
- class A(self.theclass):
- def __str__(self):
- return 'A'
- a = A(2007, 9, 10)
- self.assertEqual(a.__format__(''), 'A')
-
- # check that a derived class's strftime gets called
- class B(self.theclass):
- def strftime(self, format_spec):
- return 'B'
- b = B(2007, 9, 10)
- self.assertEqual(b.__format__(''), str(dt))
-
- for fmt in ["m:%m d:%d y:%y",
- "m:%m d:%d y:%y H:%H M:%M S:%S",
- "%z %Z",
- ]:
- self.assertEqual(dt.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(b.__format__(fmt), 'B')
-
- def test_resolution_info(self):
- # XXX: Should min and max respect subclassing?
- if issubclass(self.theclass, datetime):
- expected_class = datetime
- else:
- expected_class = date
- self.assertIsInstance(self.theclass.min, expected_class)
- self.assertIsInstance(self.theclass.max, expected_class)
- self.assertIsInstance(self.theclass.resolution, timedelta)
- self.assertTrue(self.theclass.max > self.theclass.min)
-
- def test_extreme_timedelta(self):
- big = self.theclass.max - self.theclass.min
- # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds
- n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds
- # n == 315537897599999999 ~= 2**58.13
- justasbig = timedelta(0, 0, n)
- self.assertEqual(big, justasbig)
- self.assertEqual(self.theclass.min + big, self.theclass.max)
- self.assertEqual(self.theclass.max - big, self.theclass.min)
-
- def test_timetuple(self):
- for i in range(7):
- # January 2, 1956 is a Monday (0)
- d = self.theclass(1956, 1, 2+i)
- t = d.timetuple()
- self.assertEqual(t, (1956, 1, 2+i, 0, 0, 0, i, 2+i, -1))
- # February 1, 1956 is a Wednesday (2)
- d = self.theclass(1956, 2, 1+i)
- t = d.timetuple()
- self.assertEqual(t, (1956, 2, 1+i, 0, 0, 0, (2+i)%7, 32+i, -1))
- # March 1, 1956 is a Thursday (3), and is the 31+29+1 = 61st day
- # of the year.
- d = self.theclass(1956, 3, 1+i)
- t = d.timetuple()
- self.assertEqual(t, (1956, 3, 1+i, 0, 0, 0, (3+i)%7, 61+i, -1))
- self.assertEqual(t.tm_year, 1956)
- self.assertEqual(t.tm_mon, 3)
- self.assertEqual(t.tm_mday, 1+i)
- self.assertEqual(t.tm_hour, 0)
- self.assertEqual(t.tm_min, 0)
- self.assertEqual(t.tm_sec, 0)
- self.assertEqual(t.tm_wday, (3+i)%7)
- self.assertEqual(t.tm_yday, 61+i)
- self.assertEqual(t.tm_isdst, -1)
-
- def test_pickling(self):
- args = 6, 7, 23
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_compare(self):
- t1 = self.theclass(2, 3, 4)
- t2 = self.theclass(2, 3, 4)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for args in (3, 3, 3), (2, 4, 4), (2, 3, 5):
- t2 = self.theclass(*args) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
- for badarg in OTHERSTUFF:
- self.assertEqual(t1 == badarg, False)
- self.assertEqual(t1 != badarg, True)
- self.assertEqual(badarg == t1, False)
- self.assertEqual(badarg != t1, True)
-
- self.assertRaises(TypeError, lambda: t1 < badarg)
- self.assertRaises(TypeError, lambda: t1 > badarg)
- self.assertRaises(TypeError, lambda: t1 >= badarg)
- self.assertRaises(TypeError, lambda: badarg <= t1)
- self.assertRaises(TypeError, lambda: badarg < t1)
- self.assertRaises(TypeError, lambda: badarg > t1)
- self.assertRaises(TypeError, lambda: badarg >= t1)
-
- def test_mixed_compare(self):
- our = self.theclass(2000, 4, 5)
-
- # Our class can be compared for equality to other classes
- self.assertEqual(our == 1, False)
- self.assertEqual(1 == our, False)
- self.assertEqual(our != 1, True)
- self.assertEqual(1 != our, True)
-
- # But the ordering is undefined
- self.assertRaises(TypeError, lambda: our < 1)
- self.assertRaises(TypeError, lambda: 1 < our)
-
- # Repeat those tests with a different class
-
- class SomeClass:
- pass
-
- their = SomeClass()
- self.assertEqual(our == their, False)
- self.assertEqual(their == our, False)
- self.assertEqual(our != their, True)
- self.assertEqual(their != our, True)
- self.assertRaises(TypeError, lambda: our < their)
- self.assertRaises(TypeError, lambda: their < our)
-
- # However, if the other class explicitly defines ordering
- # relative to our class, it is allowed to do so
-
- class LargerThanAnything:
- def __lt__(self, other):
- return False
- def __le__(self, other):
- return isinstance(other, LargerThanAnything)
- def __eq__(self, other):
- return isinstance(other, LargerThanAnything)
- def __ne__(self, other):
- return not isinstance(other, LargerThanAnything)
- def __gt__(self, other):
- return not isinstance(other, LargerThanAnything)
- def __ge__(self, other):
- return True
-
- their = LargerThanAnything()
- self.assertEqual(our == their, False)
- self.assertEqual(their == our, False)
- self.assertEqual(our != their, True)
- self.assertEqual(their != our, True)
- self.assertEqual(our < their, True)
- self.assertEqual(their < our, False)
-
- def test_bool(self):
- # All dates are considered true.
- self.assertTrue(self.theclass.min)
- self.assertTrue(self.theclass.max)
-
- def test_strftime_out_of_range(self):
- # For nasty technical reasons, we can't handle years before 1900.
- cls = self.theclass
- self.assertEqual(cls(1900, 1, 1).strftime("%Y"), "1900")
- for y in 1, 49, 51, 99, 100, 1000, 1899:
- self.assertRaises(ValueError, cls(y, 1, 1).strftime, "%Y")
-
- def test_replace(self):
- cls = self.theclass
- args = [1, 2, 3]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("year", 2),
- ("month", 3),
- ("day", 4)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Out of bounds.
- base = cls(2000, 2, 29)
- self.assertRaises(ValueError, base.replace, year=2001)
-
- def test_subclass_date(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.year + self.month
-
- args = 2003, 4, 14
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.toordinal(), dt2.toordinal())
- self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month - 7)
-
- def test_pickling_subclass_date(self):
-
- args = 6, 7, 23
- orig = SubclassDate(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_backdoor_resistance(self):
- # For fast unpickling, the constructor accepts a pickle byte string.
- # This is a low-overhead backdoor. A user can (by intent or
- # mistake) pass a string directly, which (if it's the right length)
- # will get treated like a pickle, and bypass the normal sanity
- # checks in the constructor. This can create insane objects.
- # The constructor doesn't want to burn the time to validate all
- # fields, but does check the month field. This stops, e.g.,
- # datetime.datetime('1995-03-25') from yielding an insane object.
- base = b'1995-03-25'
- if not issubclass(self.theclass, datetime):
- base = base[:4]
- for month_byte in b'9', b'\0', b'\r', b'\xff':
- self.assertRaises(TypeError, self.theclass,
- base[:2] + month_byte + base[3:])
- # Good bytes, but bad tzinfo:
- self.assertRaises(TypeError, self.theclass,
- bytes([1] * len(base)), 'EST')
-
- for ord_byte in range(1, 13):
- # This shouldn't blow up because of the month byte alone. If
- # the implementation changes to do more-careful checking, it may
- # blow up because other fields are insane.
- self.theclass(base[:2] + bytes([ord_byte]) + base[3:])
-
-#############################################################################
-# datetime tests
-
-class SubclassDatetime(datetime):
- sub_var = 1
-
-class TestDateTime(TestDate):
-
- theclass = datetime
-
- def test_basic_attributes(self):
- dt = self.theclass(2002, 3, 1, 12, 0)
- self.assertEqual(dt.year, 2002)
- self.assertEqual(dt.month, 3)
- self.assertEqual(dt.day, 1)
- self.assertEqual(dt.hour, 12)
- self.assertEqual(dt.minute, 0)
- self.assertEqual(dt.second, 0)
- self.assertEqual(dt.microsecond, 0)
-
- def test_basic_attributes_nonzero(self):
- # Make sure all attributes are non-zero so bugs in
- # bit-shifting access show up.
- dt = self.theclass(2002, 3, 1, 12, 59, 59, 8000)
- self.assertEqual(dt.year, 2002)
- self.assertEqual(dt.month, 3)
- self.assertEqual(dt.day, 1)
- self.assertEqual(dt.hour, 12)
- self.assertEqual(dt.minute, 59)
- self.assertEqual(dt.second, 59)
- self.assertEqual(dt.microsecond, 8000)
-
- def test_roundtrip(self):
- for dt in (self.theclass(1, 2, 3, 4, 5, 6, 7),
- self.theclass.now()):
- # Verify dt -> string -> datetime identity.
- s = repr(dt)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- dt2 = eval(s)
- self.assertEqual(dt, dt2)
-
- # Verify identity via reconstructing from pieces.
- dt2 = self.theclass(dt.year, dt.month, dt.day,
- dt.hour, dt.minute, dt.second,
- dt.microsecond)
- self.assertEqual(dt, dt2)
-
- def test_isoformat(self):
- t = self.theclass(2, 3, 2, 4, 5, 1, 123)
- self.assertEqual(t.isoformat(), "0002-03-02T04:05:01.000123")
- self.assertEqual(t.isoformat('T'), "0002-03-02T04:05:01.000123")
- self.assertEqual(t.isoformat(' '), "0002-03-02 04:05:01.000123")
- self.assertEqual(t.isoformat('\x00'), "0002-03-02\x0004:05:01.000123")
- # str is ISO format with the separator forced to a blank.
- self.assertEqual(str(t), "0002-03-02 04:05:01.000123")
-
- t = self.theclass(2, 3, 2)
- self.assertEqual(t.isoformat(), "0002-03-02T00:00:00")
- self.assertEqual(t.isoformat('T'), "0002-03-02T00:00:00")
- self.assertEqual(t.isoformat(' '), "0002-03-02 00:00:00")
- # str is ISO format with the separator forced to a blank.
- self.assertEqual(str(t), "0002-03-02 00:00:00")
-
- def test_format(self):
- dt = self.theclass(2007, 9, 10, 4, 5, 1, 123)
- self.assertEqual(dt.__format__(''), str(dt))
-
- # check that a derived class's __str__() gets called
- class A(self.theclass):
- def __str__(self):
- return 'A'
- a = A(2007, 9, 10, 4, 5, 1, 123)
- self.assertEqual(a.__format__(''), 'A')
-
- # check that a derived class's strftime gets called
- class B(self.theclass):
- def strftime(self, format_spec):
- return 'B'
- b = B(2007, 9, 10, 4, 5, 1, 123)
- self.assertEqual(b.__format__(''), str(dt))
-
- for fmt in ["m:%m d:%d y:%y",
- "m:%m d:%d y:%y H:%H M:%M S:%S",
- "%z %Z",
- ]:
- self.assertEqual(dt.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(a.__format__(fmt), dt.strftime(fmt))
- self.assertEqual(b.__format__(fmt), 'B')
-
- def test_more_ctime(self):
- # Test fields that TestDate doesn't touch.
- import time
-
- t = self.theclass(2002, 3, 2, 18, 3, 5, 123)
- self.assertEqual(t.ctime(), "Sat Mar 2 18:03:05 2002")
- # Oops! The next line fails on Win2K under MSVC 6, so it's commented
- # out. The difference is that t.ctime() produces " 2" for the day,
- # but platform ctime() produces "02" for the day. According to
- # C99, t.ctime() is correct here.
- # self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple())))
-
- # So test a case where that difference doesn't matter.
- t = self.theclass(2002, 3, 22, 18, 3, 5, 123)
- self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple())))
-
- def test_tz_independent_comparing(self):
- dt1 = self.theclass(2002, 3, 1, 9, 0, 0)
- dt2 = self.theclass(2002, 3, 1, 10, 0, 0)
- dt3 = self.theclass(2002, 3, 1, 9, 0, 0)
- self.assertEqual(dt1, dt3)
- self.assertTrue(dt2 > dt3)
-
- # Make sure comparison doesn't forget microseconds, and isn't done
- # via comparing a float timestamp (an IEEE double doesn't have enough
- # precision to span microsecond resolution across years 1 thru 9999,
- # so comparing via timestamp necessarily calls some distinct values
- # equal).
- dt1 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999998)
- us = timedelta(microseconds=1)
- dt2 = dt1 + us
- self.assertEqual(dt2 - dt1, us)
- self.assertTrue(dt1 < dt2)
-
- def test_strftime_with_bad_tzname_replace(self):
- # verify ok if tzinfo.tzname().replace() returns a non-string
- class MyTzInfo(FixedOffset):
- def tzname(self, dt):
- class MyStr(str):
- def replace(self, *args):
- return None
- return MyStr('name')
- t = self.theclass(2005, 3, 2, 0, 0, 0, 0, MyTzInfo(3, 'name'))
- self.assertRaises(TypeError, t.strftime, '%Z')
-
- def test_bad_constructor_arguments(self):
- # bad years
- self.theclass(MINYEAR, 1, 1) # no exception
- self.theclass(MAXYEAR, 1, 1) # no exception
- self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1)
- self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1)
- # bad months
- self.theclass(2000, 1, 1) # no exception
- self.theclass(2000, 12, 1) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 0, 1)
- self.assertRaises(ValueError, self.theclass, 2000, 13, 1)
- # bad days
- self.theclass(2000, 2, 29) # no exception
- self.theclass(2004, 2, 29) # no exception
- self.theclass(2400, 2, 29) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 2, 30)
- self.assertRaises(ValueError, self.theclass, 2001, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2100, 2, 29)
- self.assertRaises(ValueError, self.theclass, 1900, 2, 29)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 0)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 32)
- # bad hours
- self.theclass(2000, 1, 31, 0) # no exception
- self.theclass(2000, 1, 31, 23) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, -1)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 24)
- # bad minutes
- self.theclass(2000, 1, 31, 23, 0) # no exception
- self.theclass(2000, 1, 31, 23, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, -1)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 60)
- # bad seconds
- self.theclass(2000, 1, 31, 23, 59, 0) # no exception
- self.theclass(2000, 1, 31, 23, 59, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, -1)
- self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, 60)
- # bad microseconds
- self.theclass(2000, 1, 31, 23, 59, 59, 0) # no exception
- self.theclass(2000, 1, 31, 23, 59, 59, 999999) # no exception
- self.assertRaises(ValueError, self.theclass,
- 2000, 1, 31, 23, 59, 59, -1)
- self.assertRaises(ValueError, self.theclass,
- 2000, 1, 31, 23, 59, 59,
- 1000000)
-
- def test_hash_equality(self):
- d = self.theclass(2000, 12, 31, 23, 30, 17)
- e = self.theclass(2000, 12, 31, 23, 30, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- d = self.theclass(2001, 1, 1, 0, 5, 17)
- e = self.theclass(2001, 1, 1, 0, 5, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- def test_computations(self):
- a = self.theclass(2002, 1, 31)
- b = self.theclass(1956, 1, 31)
- diff = a-b
- self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4)))
- self.assertEqual(diff.seconds, 0)
- self.assertEqual(diff.microseconds, 0)
- a = self.theclass(2002, 3, 2, 17, 6)
- millisec = timedelta(0, 0, 1000)
- hour = timedelta(0, 3600)
- day = timedelta(1)
- week = timedelta(7)
- self.assertEqual(a + hour, self.theclass(2002, 3, 2, 18, 6))
- self.assertEqual(hour + a, self.theclass(2002, 3, 2, 18, 6))
- self.assertEqual(a + 10*hour, self.theclass(2002, 3, 3, 3, 6))
- self.assertEqual(a - hour, self.theclass(2002, 3, 2, 16, 6))
- self.assertEqual(-hour + a, self.theclass(2002, 3, 2, 16, 6))
- self.assertEqual(a - hour, a + -hour)
- self.assertEqual(a - 20*hour, self.theclass(2002, 3, 1, 21, 6))
- self.assertEqual(a + day, self.theclass(2002, 3, 3, 17, 6))
- self.assertEqual(a - day, self.theclass(2002, 3, 1, 17, 6))
- self.assertEqual(a + week, self.theclass(2002, 3, 9, 17, 6))
- self.assertEqual(a - week, self.theclass(2002, 2, 23, 17, 6))
- self.assertEqual(a + 52*week, self.theclass(2003, 3, 1, 17, 6))
- self.assertEqual(a - 52*week, self.theclass(2001, 3, 3, 17, 6))
- self.assertEqual((a + week) - a, week)
- self.assertEqual((a + day) - a, day)
- self.assertEqual((a + hour) - a, hour)
- self.assertEqual((a + millisec) - a, millisec)
- self.assertEqual((a - week) - a, -week)
- self.assertEqual((a - day) - a, -day)
- self.assertEqual((a - hour) - a, -hour)
- self.assertEqual((a - millisec) - a, -millisec)
- self.assertEqual(a - (a + week), -week)
- self.assertEqual(a - (a + day), -day)
- self.assertEqual(a - (a + hour), -hour)
- self.assertEqual(a - (a + millisec), -millisec)
- self.assertEqual(a - (a - week), week)
- self.assertEqual(a - (a - day), day)
- self.assertEqual(a - (a - hour), hour)
- self.assertEqual(a - (a - millisec), millisec)
- self.assertEqual(a + (week + day + hour + millisec),
- self.theclass(2002, 3, 10, 18, 6, 0, 1000))
- self.assertEqual(a + (week + day + hour + millisec),
- (((a + week) + day) + hour) + millisec)
- self.assertEqual(a - (week + day + hour + millisec),
- self.theclass(2002, 2, 22, 16, 5, 59, 999000))
- self.assertEqual(a - (week + day + hour + millisec),
- (((a - week) - day) - hour) - millisec)
- # Add/sub ints or floats should be illegal
- for i in 1, 1.0:
- self.assertRaises(TypeError, lambda: a+i)
- self.assertRaises(TypeError, lambda: a-i)
- self.assertRaises(TypeError, lambda: i+a)
- self.assertRaises(TypeError, lambda: i-a)
-
- # delta - datetime is senseless.
- self.assertRaises(TypeError, lambda: day - a)
- # mixing datetime and (delta or datetime) via * or // is senseless
- self.assertRaises(TypeError, lambda: day * a)
- self.assertRaises(TypeError, lambda: a * day)
- self.assertRaises(TypeError, lambda: day // a)
- self.assertRaises(TypeError, lambda: a // day)
- self.assertRaises(TypeError, lambda: a * a)
- self.assertRaises(TypeError, lambda: a // a)
- # datetime + datetime is senseless
- self.assertRaises(TypeError, lambda: a + a)
-
- def test_pickling(self):
- args = 6, 7, 23, 20, 59, 1, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_more_pickling(self):
- a = self.theclass(2003, 2, 7, 16, 48, 37, 444116)
- s = pickle.dumps(a)
- b = pickle.loads(s)
- self.assertEqual(b.year, 2003)
- self.assertEqual(b.month, 2)
- self.assertEqual(b.day, 7)
-
- def test_pickling_subclass_datetime(self):
- args = 6, 7, 23, 20, 59, 1, 64**2
- orig = SubclassDatetime(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_more_compare(self):
- # The test_compare() inherited from TestDate covers the error cases.
- # We just want to test lexicographic ordering on the members datetime
- # has that date lacks.
- args = [2000, 11, 29, 20, 58, 16, 999998]
- t1 = self.theclass(*args)
- t2 = self.theclass(*args)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for i in range(len(args)):
- newargs = args[:]
- newargs[i] = args[i] + 1
- t2 = self.theclass(*newargs) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
-
- # A helper for timestamp constructor tests.
- def verify_field_equality(self, expected, got):
- self.assertEqual(expected.tm_year, got.year)
- self.assertEqual(expected.tm_mon, got.month)
- self.assertEqual(expected.tm_mday, got.day)
- self.assertEqual(expected.tm_hour, got.hour)
- self.assertEqual(expected.tm_min, got.minute)
- self.assertEqual(expected.tm_sec, got.second)
-
- def test_fromtimestamp(self):
- import time
-
- ts = time.time()
- expected = time.localtime(ts)
- got = self.theclass.fromtimestamp(ts)
- self.verify_field_equality(expected, got)
-
- def test_utcfromtimestamp(self):
- import time
-
- ts = time.time()
- expected = time.gmtime(ts)
- got = self.theclass.utcfromtimestamp(ts)
- self.verify_field_equality(expected, got)
-
- def test_microsecond_rounding(self):
- # Test whether fromtimestamp "rounds up" floats that are less
- # than one microsecond smaller than an integer.
- self.assertEqual(self.theclass.fromtimestamp(0.9999999),
- self.theclass.fromtimestamp(1))
-
- def test_insane_fromtimestamp(self):
- # It's possible that some platform maps time_t to double,
- # and that this test will fail there. This test should
- # exempt such platforms (provided they return reasonable
- # results!).
- for insane in -1e200, 1e200:
- self.assertRaises(ValueError, self.theclass.fromtimestamp,
- insane)
-
- def test_insane_utcfromtimestamp(self):
- # It's possible that some platform maps time_t to double,
- # and that this test will fail there. This test should
- # exempt such platforms (provided they return reasonable
- # results!).
- for insane in -1e200, 1e200:
- self.assertRaises(ValueError, self.theclass.utcfromtimestamp,
- insane)
- @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
- def test_negative_float_fromtimestamp(self):
- # The result is tz-dependent; at least test that this doesn't
- # fail (like it did before bug 1646728 was fixed).
- self.theclass.fromtimestamp(-1.05)
-
- @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
- def test_negative_float_utcfromtimestamp(self):
- d = self.theclass.utcfromtimestamp(-1.05)
- self.assertEqual(d, self.theclass(1969, 12, 31, 23, 59, 58, 950000))
-
- def test_utcnow(self):
- import time
-
- # Call it a success if utcnow() and utcfromtimestamp() are within
- # a second of each other.
- tolerance = timedelta(seconds=1)
- for dummy in range(3):
- from_now = self.theclass.utcnow()
- from_timestamp = self.theclass.utcfromtimestamp(time.time())
- if abs(from_timestamp - from_now) <= tolerance:
- break
- # Else try again a few times.
- self.assertTrue(abs(from_timestamp - from_now) <= tolerance)
-
- def test_strptime(self):
- import _strptime
-
- string = '2004-12-01 13:02:47.197'
- format = '%Y-%m-%d %H:%M:%S.%f'
- expected = _strptime._strptime_datetime(self.theclass, string, format)
- got = self.theclass.strptime(string, format)
- self.assertEqual(expected, got)
- self.assertIs(type(expected), self.theclass)
- self.assertIs(type(got), self.theclass)
-
- strptime = self.theclass.strptime
- self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE)
- self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE)
- # Only local timezone and UTC are supported
- for tzseconds, tzname in ((0, 'UTC'), (0, 'GMT'),
- (-_time.timezone, _time.tzname[0])):
- if tzseconds < 0:
- sign = '-'
- seconds = -tzseconds
- else:
- sign ='+'
- seconds = tzseconds
- hours, minutes = divmod(seconds//60, 60)
- dtstr = "{}{:02d}{:02d} {}".format(sign, hours, minutes, tzname)
- dt = strptime(dtstr, "%z %Z")
- self.assertEqual(dt.utcoffset(), timedelta(seconds=tzseconds))
- self.assertEqual(dt.tzname(), tzname)
- # Can produce inconsistent datetime
- dtstr, fmt = "+1234 UTC", "%z %Z"
- dt = strptime(dtstr, fmt)
- self.assertEqual(dt.utcoffset(), 12 * HOUR + 34 * MINUTE)
- self.assertEqual(dt.tzname(), 'UTC')
- # yet will roundtrip
- self.assertEqual(dt.strftime(fmt), dtstr)
-
- # Produce naive datetime if no %z is provided
- self.assertEqual(strptime("UTC", "%Z").tzinfo, None)
-
- with self.assertRaises(ValueError): strptime("-2400", "%z")
- with self.assertRaises(ValueError): strptime("-000", "%z")
-
- def test_more_timetuple(self):
- # This tests fields beyond those tested by the TestDate.test_timetuple.
- t = self.theclass(2004, 12, 31, 6, 22, 33)
- self.assertEqual(t.timetuple(), (2004, 12, 31, 6, 22, 33, 4, 366, -1))
- self.assertEqual(t.timetuple(),
- (t.year, t.month, t.day,
- t.hour, t.minute, t.second,
- t.weekday(),
- t.toordinal() - date(t.year, 1, 1).toordinal() + 1,
- -1))
- tt = t.timetuple()
- self.assertEqual(tt.tm_year, t.year)
- self.assertEqual(tt.tm_mon, t.month)
- self.assertEqual(tt.tm_mday, t.day)
- self.assertEqual(tt.tm_hour, t.hour)
- self.assertEqual(tt.tm_min, t.minute)
- self.assertEqual(tt.tm_sec, t.second)
- self.assertEqual(tt.tm_wday, t.weekday())
- self.assertEqual(tt.tm_yday, t.toordinal() -
- date(t.year, 1, 1).toordinal() + 1)
- self.assertEqual(tt.tm_isdst, -1)
-
- def test_more_strftime(self):
- # This tests fields beyond those tested by the TestDate.test_strftime.
- t = self.theclass(2004, 12, 31, 6, 22, 33, 47)
- self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"),
- "12 31 04 000047 33 22 06 366")
-
- def test_extract(self):
- dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
- self.assertEqual(dt.date(), date(2002, 3, 4))
- self.assertEqual(dt.time(), time(18, 45, 3, 1234))
-
- def test_combine(self):
- d = date(2002, 3, 4)
- t = time(18, 45, 3, 1234)
- expected = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
- combine = self.theclass.combine
- dt = combine(d, t)
- self.assertEqual(dt, expected)
-
- dt = combine(time=t, date=d)
- self.assertEqual(dt, expected)
-
- self.assertEqual(d, dt.date())
- self.assertEqual(t, dt.time())
- self.assertEqual(dt, combine(dt.date(), dt.time()))
-
- self.assertRaises(TypeError, combine) # need an arg
- self.assertRaises(TypeError, combine, d) # need two args
- self.assertRaises(TypeError, combine, t, d) # args reversed
- self.assertRaises(TypeError, combine, d, t, 1) # too many args
- self.assertRaises(TypeError, combine, "date", "time") # wrong types
- self.assertRaises(TypeError, combine, d, "time") # wrong type
- self.assertRaises(TypeError, combine, "date", t) # wrong type
-
- def test_replace(self):
- cls = self.theclass
- args = [1, 2, 3, 4, 5, 6, 7]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("year", 2),
- ("month", 3),
- ("day", 4),
- ("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Out of bounds.
- base = cls(2000, 2, 29)
- self.assertRaises(ValueError, base.replace, year=2001)
-
- def test_astimezone(self):
- # Pretty boring! The TZ test is more interesting here. astimezone()
- # simply can't be applied to a naive object.
- dt = self.theclass.now()
- f = FixedOffset(44, "")
- self.assertRaises(TypeError, dt.astimezone) # not enough args
- self.assertRaises(TypeError, dt.astimezone, f, f) # too many args
- self.assertRaises(TypeError, dt.astimezone, dt) # arg wrong type
- self.assertRaises(ValueError, dt.astimezone, f) # naive
- self.assertRaises(ValueError, dt.astimezone, tz=f) # naive
-
- class Bogus(tzinfo):
- def utcoffset(self, dt): return None
- def dst(self, dt): return timedelta(0)
- bog = Bogus()
- self.assertRaises(ValueError, dt.astimezone, bog) # naive
- self.assertRaises(ValueError,
- dt.replace(tzinfo=bog).astimezone, f)
-
- class AlsoBogus(tzinfo):
- def utcoffset(self, dt): return timedelta(0)
- def dst(self, dt): return None
- alsobog = AlsoBogus()
- self.assertRaises(ValueError, dt.astimezone, alsobog) # also naive
-
- def test_subclass_datetime(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.year + self.month + self.second
-
- args = 2003, 4, 14, 12, 13, 41
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.toordinal(), dt2.toordinal())
- self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month +
- dt1.second - 7)
-
-class TestSubclassDateTime(TestDateTime):
- theclass = SubclassDatetime
- # Override tests not designed for subclass
- def test_roundtrip(self):
- pass
-
-class SubclassTime(time):
- sub_var = 1
-
-class TestTime(HarmlessMixedComparison, unittest.TestCase):
-
- theclass = time
-
- def test_basic_attributes(self):
- t = self.theclass(12, 0)
- self.assertEqual(t.hour, 12)
- self.assertEqual(t.minute, 0)
- self.assertEqual(t.second, 0)
- self.assertEqual(t.microsecond, 0)
-
- def test_basic_attributes_nonzero(self):
- # Make sure all attributes are non-zero so bugs in
- # bit-shifting access show up.
- t = self.theclass(12, 59, 59, 8000)
- self.assertEqual(t.hour, 12)
- self.assertEqual(t.minute, 59)
- self.assertEqual(t.second, 59)
- self.assertEqual(t.microsecond, 8000)
-
- def test_roundtrip(self):
- t = self.theclass(1, 2, 3, 4)
-
- # Verify t -> string -> time identity.
- s = repr(t)
- self.assertTrue(s.startswith('datetime.'))
- s = s[9:]
- t2 = eval(s)
- self.assertEqual(t, t2)
-
- # Verify identity via reconstructing from pieces.
- t2 = self.theclass(t.hour, t.minute, t.second,
- t.microsecond)
- self.assertEqual(t, t2)
-
- def test_comparing(self):
- args = [1, 2, 3, 4]
- t1 = self.theclass(*args)
- t2 = self.theclass(*args)
- self.assertEqual(t1, t2)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t1 >= t2)
- self.assertTrue(not t1 != t2)
- self.assertTrue(not t1 < t2)
- self.assertTrue(not t1 > t2)
-
- for i in range(len(args)):
- newargs = args[:]
- newargs[i] = args[i] + 1
- t2 = self.theclass(*newargs) # this is larger than t1
- self.assertTrue(t1 < t2)
- self.assertTrue(t2 > t1)
- self.assertTrue(t1 <= t2)
- self.assertTrue(t2 >= t1)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 != t1)
- self.assertTrue(not t1 == t2)
- self.assertTrue(not t2 == t1)
- self.assertTrue(not t1 > t2)
- self.assertTrue(not t2 < t1)
- self.assertTrue(not t1 >= t2)
- self.assertTrue(not t2 <= t1)
-
- for badarg in OTHERSTUFF:
- self.assertEqual(t1 == badarg, False)
- self.assertEqual(t1 != badarg, True)
- self.assertEqual(badarg == t1, False)
- self.assertEqual(badarg != t1, True)
-
- self.assertRaises(TypeError, lambda: t1 <= badarg)
- self.assertRaises(TypeError, lambda: t1 < badarg)
- self.assertRaises(TypeError, lambda: t1 > badarg)
- self.assertRaises(TypeError, lambda: t1 >= badarg)
- self.assertRaises(TypeError, lambda: badarg <= t1)
- self.assertRaises(TypeError, lambda: badarg < t1)
- self.assertRaises(TypeError, lambda: badarg > t1)
- self.assertRaises(TypeError, lambda: badarg >= t1)
-
- def test_bad_constructor_arguments(self):
- # bad hours
- self.theclass(0, 0) # no exception
- self.theclass(23, 0) # no exception
- self.assertRaises(ValueError, self.theclass, -1, 0)
- self.assertRaises(ValueError, self.theclass, 24, 0)
- # bad minutes
- self.theclass(23, 0) # no exception
- self.theclass(23, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 23, -1)
- self.assertRaises(ValueError, self.theclass, 23, 60)
- # bad seconds
- self.theclass(23, 59, 0) # no exception
- self.theclass(23, 59, 59) # no exception
- self.assertRaises(ValueError, self.theclass, 23, 59, -1)
- self.assertRaises(ValueError, self.theclass, 23, 59, 60)
- # bad microseconds
- self.theclass(23, 59, 59, 0) # no exception
- self.theclass(23, 59, 59, 999999) # no exception
- self.assertRaises(ValueError, self.theclass, 23, 59, 59, -1)
- self.assertRaises(ValueError, self.theclass, 23, 59, 59, 1000000)
-
- def test_hash_equality(self):
- d = self.theclass(23, 30, 17)
- e = self.theclass(23, 30, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- d = self.theclass(0, 5, 17)
- e = self.theclass(0, 5, 17)
- self.assertEqual(d, e)
- self.assertEqual(hash(d), hash(e))
-
- dic = {d: 1}
- dic[e] = 2
- self.assertEqual(len(dic), 1)
- self.assertEqual(dic[d], 2)
- self.assertEqual(dic[e], 2)
-
- def test_isoformat(self):
- t = self.theclass(4, 5, 1, 123)
- self.assertEqual(t.isoformat(), "04:05:01.000123")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass()
- self.assertEqual(t.isoformat(), "00:00:00")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=1)
- self.assertEqual(t.isoformat(), "00:00:00.000001")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=10)
- self.assertEqual(t.isoformat(), "00:00:00.000010")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=100)
- self.assertEqual(t.isoformat(), "00:00:00.000100")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=1000)
- self.assertEqual(t.isoformat(), "00:00:00.001000")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=10000)
- self.assertEqual(t.isoformat(), "00:00:00.010000")
- self.assertEqual(t.isoformat(), str(t))
-
- t = self.theclass(microsecond=100000)
- self.assertEqual(t.isoformat(), "00:00:00.100000")
- self.assertEqual(t.isoformat(), str(t))
-
- def test_1653736(self):
- # verify it doesn't accept extra keyword arguments
- t = self.theclass(second=1)
- self.assertRaises(TypeError, t.isoformat, foo=3)
-
- def test_strftime(self):
- t = self.theclass(1, 2, 3, 4)
- self.assertEqual(t.strftime('%H %M %S %f'), "01 02 03 000004")
- # A naive object replaces %z and %Z with empty strings.
- self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''")
-
- def test_format(self):
- t = self.theclass(1, 2, 3, 4)
- self.assertEqual(t.__format__(''), str(t))
-
- # check that a derived class's __str__() gets called
- class A(self.theclass):
- def __str__(self):
- return 'A'
- a = A(1, 2, 3, 4)
- self.assertEqual(a.__format__(''), 'A')
-
- # check that a derived class's strftime gets called
- class B(self.theclass):
- def strftime(self, format_spec):
- return 'B'
- b = B(1, 2, 3, 4)
- self.assertEqual(b.__format__(''), str(t))
-
- for fmt in ['%H %M %S',
- ]:
- self.assertEqual(t.__format__(fmt), t.strftime(fmt))
- self.assertEqual(a.__format__(fmt), t.strftime(fmt))
- self.assertEqual(b.__format__(fmt), 'B')
-
- def test_str(self):
- self.assertEqual(str(self.theclass(1, 2, 3, 4)), "01:02:03.000004")
- self.assertEqual(str(self.theclass(10, 2, 3, 4000)), "10:02:03.004000")
- self.assertEqual(str(self.theclass(0, 2, 3, 400000)), "00:02:03.400000")
- self.assertEqual(str(self.theclass(12, 2, 3, 0)), "12:02:03")
- self.assertEqual(str(self.theclass(23, 15, 0, 0)), "23:15:00")
-
- def test_repr(self):
- name = 'datetime.' + self.theclass.__name__
- self.assertEqual(repr(self.theclass(1, 2, 3, 4)),
- "%s(1, 2, 3, 4)" % name)
- self.assertEqual(repr(self.theclass(10, 2, 3, 4000)),
- "%s(10, 2, 3, 4000)" % name)
- self.assertEqual(repr(self.theclass(0, 2, 3, 400000)),
- "%s(0, 2, 3, 400000)" % name)
- self.assertEqual(repr(self.theclass(12, 2, 3, 0)),
- "%s(12, 2, 3)" % name)
- self.assertEqual(repr(self.theclass(23, 15, 0, 0)),
- "%s(23, 15)" % name)
-
- def test_resolution_info(self):
- self.assertIsInstance(self.theclass.min, self.theclass)
- self.assertIsInstance(self.theclass.max, self.theclass)
- self.assertIsInstance(self.theclass.resolution, timedelta)
- self.assertTrue(self.theclass.max > self.theclass.min)
-
- def test_pickling(self):
- args = 20, 59, 16, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_pickling_subclass_time(self):
- args = 20, 59, 16, 64**2
- orig = SubclassTime(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- def test_bool(self):
- cls = self.theclass
- self.assertTrue(cls(1))
- self.assertTrue(cls(0, 1))
- self.assertTrue(cls(0, 0, 1))
- self.assertTrue(cls(0, 0, 0, 1))
- self.assertTrue(not cls(0))
- self.assertTrue(not cls())
-
- def test_replace(self):
- cls = self.theclass
- args = [1, 2, 3, 4]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Out of bounds.
- base = cls(1)
- self.assertRaises(ValueError, base.replace, hour=24)
- self.assertRaises(ValueError, base.replace, minute=-1)
- self.assertRaises(ValueError, base.replace, second=100)
- self.assertRaises(ValueError, base.replace, microsecond=1000000)
-
- def test_subclass_time(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.hour + self.second
-
- args = 4, 5, 6
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.isoformat(), dt2.isoformat())
- self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
-
- def test_backdoor_resistance(self):
- # see TestDate.test_backdoor_resistance().
- base = '2:59.0'
- for hour_byte in ' ', '9', chr(24), '\xff':
- self.assertRaises(TypeError, self.theclass,
- hour_byte + base[1:])
-
-# A mixin for classes with a tzinfo= argument. Subclasses must define
-# theclass as a class atribute, and theclass(1, 1, 1, tzinfo=whatever)
-# must be legit (which is true for time and datetime).
-class TZInfoBase:
-
- def test_argument_passing(self):
- cls = self.theclass
- # A datetime passes itself on, a time passes None.
- class introspective(tzinfo):
- def tzname(self, dt): return dt and "real" or "none"
- def utcoffset(self, dt):
- return timedelta(minutes = dt and 42 or -42)
- dst = utcoffset
-
- obj = cls(1, 2, 3, tzinfo=introspective())
-
- expected = cls is time and "none" or "real"
- self.assertEqual(obj.tzname(), expected)
-
- expected = timedelta(minutes=(cls is time and -42 or 42))
- self.assertEqual(obj.utcoffset(), expected)
- self.assertEqual(obj.dst(), expected)
-
- def test_bad_tzinfo_classes(self):
- cls = self.theclass
- self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=12)
-
- class NiceTry(object):
- def __init__(self): pass
- def utcoffset(self, dt): pass
- self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=NiceTry)
-
- class BetterTry(tzinfo):
- def __init__(self): pass
- def utcoffset(self, dt): pass
- b = BetterTry()
- t = cls(1, 1, 1, tzinfo=b)
- self.assertTrue(t.tzinfo is b)
-
- def test_utc_offset_out_of_bounds(self):
- class Edgy(tzinfo):
- def __init__(self, offset):
- self.offset = timedelta(minutes=offset)
- def utcoffset(self, dt):
- return self.offset
-
- cls = self.theclass
- for offset, legit in ((-1440, False),
- (-1439, True),
- (1439, True),
- (1440, False)):
- if cls is time:
- t = cls(1, 2, 3, tzinfo=Edgy(offset))
- elif cls is datetime:
- t = cls(6, 6, 6, 1, 2, 3, tzinfo=Edgy(offset))
- else:
- assert 0, "impossible"
- if legit:
- aofs = abs(offset)
- h, m = divmod(aofs, 60)
- tag = "%c%02d:%02d" % (offset < 0 and '-' or '+', h, m)
- if isinstance(t, datetime):
- t = t.timetz()
- self.assertEqual(str(t), "01:02:03" + tag)
- else:
- self.assertRaises(ValueError, str, t)
-
- def test_tzinfo_classes(self):
- cls = self.theclass
- class C1(tzinfo):
- def utcoffset(self, dt): return None
- def dst(self, dt): return None
- def tzname(self, dt): return None
- for t in (cls(1, 1, 1),
- cls(1, 1, 1, tzinfo=None),
- cls(1, 1, 1, tzinfo=C1())):
- self.assertTrue(t.utcoffset() is None)
- self.assertTrue(t.dst() is None)
- self.assertTrue(t.tzname() is None)
-
- class C3(tzinfo):
- def utcoffset(self, dt): return timedelta(minutes=-1439)
- def dst(self, dt): return timedelta(minutes=1439)
- def tzname(self, dt): return "aname"
- t = cls(1, 1, 1, tzinfo=C3())
- self.assertEqual(t.utcoffset(), timedelta(minutes=-1439))
- self.assertEqual(t.dst(), timedelta(minutes=1439))
- self.assertEqual(t.tzname(), "aname")
-
- # Wrong types.
- class C4(tzinfo):
- def utcoffset(self, dt): return "aname"
- def dst(self, dt): return 7
- def tzname(self, dt): return 0
- t = cls(1, 1, 1, tzinfo=C4())
- self.assertRaises(TypeError, t.utcoffset)
- self.assertRaises(TypeError, t.dst)
- self.assertRaises(TypeError, t.tzname)
-
- # Offset out of range.
- class C6(tzinfo):
- def utcoffset(self, dt): return timedelta(hours=-24)
- def dst(self, dt): return timedelta(hours=24)
- t = cls(1, 1, 1, tzinfo=C6())
- self.assertRaises(ValueError, t.utcoffset)
- self.assertRaises(ValueError, t.dst)
-
- # Not a whole number of minutes.
- class C7(tzinfo):
- def utcoffset(self, dt): return timedelta(seconds=61)
- def dst(self, dt): return timedelta(microseconds=-81)
- t = cls(1, 1, 1, tzinfo=C7())
- self.assertRaises(ValueError, t.utcoffset)
- self.assertRaises(ValueError, t.dst)
-
- def test_aware_compare(self):
- cls = self.theclass
-
- # Ensure that utcoffset() gets ignored if the comparands have
- # the same tzinfo member.
- class OperandDependentOffset(tzinfo):
- def utcoffset(self, t):
- if t.minute < 10:
- # d0 and d1 equal after adjustment
- return timedelta(minutes=t.minute)
- else:
- # d2 off in the weeds
- return timedelta(minutes=59)
-
- base = cls(8, 9, 10, tzinfo=OperandDependentOffset())
- d0 = base.replace(minute=3)
- d1 = base.replace(minute=9)
- d2 = base.replace(minute=11)
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- for op in lt, le, gt, ge, eq, ne:
- got = op(x, y)
- expected = op(x.minute, y.minute)
- self.assertEqual(got, expected)
-
- # However, if they're different members, uctoffset is not ignored.
- # Note that a time can't actually have an operand-depedent offset,
- # though (and time.utcoffset() passes None to tzinfo.utcoffset()),
- # so skip this test for time.
- if cls is not time:
- d0 = base.replace(minute=3, tzinfo=OperandDependentOffset())
- d1 = base.replace(minute=9, tzinfo=OperandDependentOffset())
- d2 = base.replace(minute=11, tzinfo=OperandDependentOffset())
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- got = (x > y) - (x < y)
- if (x is d0 or x is d1) and (y is d0 or y is d1):
- expected = 0
- elif x is y is d2:
- expected = 0
- elif x is d2:
- expected = -1
- else:
- assert y is d2
- expected = 1
- self.assertEqual(got, expected)
-
-
-# Testing time objects with a non-None tzinfo.
-class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase):
- theclass = time
-
- def test_empty(self):
- t = self.theclass()
- self.assertEqual(t.hour, 0)
- self.assertEqual(t.minute, 0)
- self.assertEqual(t.second, 0)
- self.assertEqual(t.microsecond, 0)
- self.assertTrue(t.tzinfo is None)
-
- def test_zones(self):
- est = FixedOffset(-300, "EST", 1)
- utc = FixedOffset(0, "UTC", -2)
- met = FixedOffset(60, "MET", 3)
- t1 = time( 7, 47, tzinfo=est)
- t2 = time(12, 47, tzinfo=utc)
- t3 = time(13, 47, tzinfo=met)
- t4 = time(microsecond=40)
- t5 = time(microsecond=40, tzinfo=utc)
-
- self.assertEqual(t1.tzinfo, est)
- self.assertEqual(t2.tzinfo, utc)
- self.assertEqual(t3.tzinfo, met)
- self.assertTrue(t4.tzinfo is None)
- self.assertEqual(t5.tzinfo, utc)
-
- self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
- self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
- self.assertTrue(t4.utcoffset() is None)
- self.assertRaises(TypeError, t1.utcoffset, "no args")
-
- self.assertEqual(t1.tzname(), "EST")
- self.assertEqual(t2.tzname(), "UTC")
- self.assertEqual(t3.tzname(), "MET")
- self.assertTrue(t4.tzname() is None)
- self.assertRaises(TypeError, t1.tzname, "no args")
-
- self.assertEqual(t1.dst(), timedelta(minutes=1))
- self.assertEqual(t2.dst(), timedelta(minutes=-2))
- self.assertEqual(t3.dst(), timedelta(minutes=3))
- self.assertTrue(t4.dst() is None)
- self.assertRaises(TypeError, t1.dst, "no args")
-
- self.assertEqual(hash(t1), hash(t2))
- self.assertEqual(hash(t1), hash(t3))
- self.assertEqual(hash(t2), hash(t3))
-
- self.assertEqual(t1, t2)
- self.assertEqual(t1, t3)
- self.assertEqual(t2, t3)
- self.assertRaises(TypeError, lambda: t4 == t5) # mixed tz-aware & naive
- self.assertRaises(TypeError, lambda: t4 < t5) # mixed tz-aware & naive
- self.assertRaises(TypeError, lambda: t5 < t4) # mixed tz-aware & naive
-
- self.assertEqual(str(t1), "07:47:00-05:00")
- self.assertEqual(str(t2), "12:47:00+00:00")
- self.assertEqual(str(t3), "13:47:00+01:00")
- self.assertEqual(str(t4), "00:00:00.000040")
- self.assertEqual(str(t5), "00:00:00.000040+00:00")
-
- self.assertEqual(t1.isoformat(), "07:47:00-05:00")
- self.assertEqual(t2.isoformat(), "12:47:00+00:00")
- self.assertEqual(t3.isoformat(), "13:47:00+01:00")
- self.assertEqual(t4.isoformat(), "00:00:00.000040")
- self.assertEqual(t5.isoformat(), "00:00:00.000040+00:00")
-
- d = 'datetime.time'
- self.assertEqual(repr(t1), d + "(7, 47, tzinfo=est)")
- self.assertEqual(repr(t2), d + "(12, 47, tzinfo=utc)")
- self.assertEqual(repr(t3), d + "(13, 47, tzinfo=met)")
- self.assertEqual(repr(t4), d + "(0, 0, 0, 40)")
- self.assertEqual(repr(t5), d + "(0, 0, 0, 40, tzinfo=utc)")
-
- self.assertEqual(t1.strftime("%H:%M:%S %%Z=%Z %%z=%z"),
- "07:47:00 %Z=EST %z=-0500")
- self.assertEqual(t2.strftime("%H:%M:%S %Z %z"), "12:47:00 UTC +0000")
- self.assertEqual(t3.strftime("%H:%M:%S %Z %z"), "13:47:00 MET +0100")
-
- yuck = FixedOffset(-1439, "%z %Z %%z%%Z")
- t1 = time(23, 59, tzinfo=yuck)
- self.assertEqual(t1.strftime("%H:%M %%Z='%Z' %%z='%z'"),
- "23:59 %Z='%z %Z %%z%%Z' %z='-2359'")
-
- # Check that an invalid tzname result raises an exception.
- class Badtzname(tzinfo):
- def tzname(self, dt): return 42
- t = time(2, 3, 4, tzinfo=Badtzname())
- self.assertEqual(t.strftime("%H:%M:%S"), "02:03:04")
- self.assertRaises(TypeError, t.strftime, "%Z")
-
- def test_hash_edge_cases(self):
- # Offsets that overflow a basic time.
- t1 = self.theclass(0, 1, 2, 3, tzinfo=FixedOffset(1439, ""))
- t2 = self.theclass(0, 0, 2, 3, tzinfo=FixedOffset(1438, ""))
- self.assertEqual(hash(t1), hash(t2))
-
- t1 = self.theclass(23, 58, 6, 100, tzinfo=FixedOffset(-1000, ""))
- t2 = self.theclass(23, 48, 6, 100, tzinfo=FixedOffset(-1010, ""))
- self.assertEqual(hash(t1), hash(t2))
-
- def test_pickling(self):
- # Try one without a tzinfo.
- args = 20, 59, 16, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- # Try one with a tzinfo.
- tinfo = PicklableFixedOffset(-300, 'cookie')
- orig = self.theclass(5, 6, 7, tzinfo=tinfo)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
- self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
- self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(derived.tzname(), 'cookie')
-
- def test_more_bool(self):
- # Test cases with non-None tzinfo.
- cls = self.theclass
-
- t = cls(0, tzinfo=FixedOffset(-300, ""))
- self.assertTrue(t)
-
- t = cls(5, tzinfo=FixedOffset(-300, ""))
- self.assertTrue(t)
-
- t = cls(5, tzinfo=FixedOffset(300, ""))
- self.assertTrue(not t)
-
- t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, ""))
- self.assertTrue(not t)
-
- # Mostly ensuring this doesn't overflow internally.
- t = cls(0, tzinfo=FixedOffset(23*60 + 59, ""))
- self.assertTrue(t)
-
- # But this should yield a value error -- the utcoffset is bogus.
- t = cls(0, tzinfo=FixedOffset(24*60, ""))
- self.assertRaises(ValueError, lambda: bool(t))
-
- # Likewise.
- t = cls(0, tzinfo=FixedOffset(-24*60, ""))
- self.assertRaises(ValueError, lambda: bool(t))
-
- def test_replace(self):
- cls = self.theclass
- z100 = FixedOffset(100, "+100")
- zm200 = FixedOffset(timedelta(minutes=-200), "-200")
- args = [1, 2, 3, 4, z100]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8),
- ("tzinfo", zm200)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Ensure we can get rid of a tzinfo.
- self.assertEqual(base.tzname(), "+100")
- base2 = base.replace(tzinfo=None)
- self.assertTrue(base2.tzinfo is None)
- self.assertTrue(base2.tzname() is None)
-
- # Ensure we can add one.
- base3 = base2.replace(tzinfo=z100)
- self.assertEqual(base, base3)
- self.assertTrue(base.tzinfo is base3.tzinfo)
-
- # Out of bounds.
- base = cls(1)
- self.assertRaises(ValueError, base.replace, hour=24)
- self.assertRaises(ValueError, base.replace, minute=-1)
- self.assertRaises(ValueError, base.replace, second=100)
- self.assertRaises(ValueError, base.replace, microsecond=1000000)
-
- def test_mixed_compare(self):
- t1 = time(1, 2, 3)
- t2 = time(1, 2, 3)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=None)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(None, ""))
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(0, ""))
- self.assertRaises(TypeError, lambda: t1 == t2)
-
- # In time w/ identical tzinfo objects, utcoffset is ignored.
- class Varies(tzinfo):
- def __init__(self):
- self.offset = timedelta(minutes=22)
- def utcoffset(self, t):
- self.offset += timedelta(minutes=1)
- return self.offset
-
- v = Varies()
- t1 = t2.replace(tzinfo=v)
- t2 = t2.replace(tzinfo=v)
- self.assertEqual(t1.utcoffset(), timedelta(minutes=23))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=24))
- self.assertEqual(t1, t2)
-
- # But if they're not identical, it isn't ignored.
- t2 = t2.replace(tzinfo=Varies())
- self.assertTrue(t1 < t2) # t1's offset counter still going up
-
- def test_subclass_timetz(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.hour + self.second
-
- args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
- self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
-
-
-# Testing datetime objects with a non-None tzinfo.
-
-class TestDateTimeTZ(TestDateTime, TZInfoBase, unittest.TestCase):
- theclass = datetime
-
- def test_trivial(self):
- dt = self.theclass(1, 2, 3, 4, 5, 6, 7)
- self.assertEqual(dt.year, 1)
- self.assertEqual(dt.month, 2)
- self.assertEqual(dt.day, 3)
- self.assertEqual(dt.hour, 4)
- self.assertEqual(dt.minute, 5)
- self.assertEqual(dt.second, 6)
- self.assertEqual(dt.microsecond, 7)
- self.assertEqual(dt.tzinfo, None)
-
- def test_even_more_compare(self):
- # The test_compare() and test_more_compare() inherited from TestDate
- # and TestDateTime covered non-tzinfo cases.
-
- # Smallest possible after UTC adjustment.
- t1 = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
- # Largest possible after UTC adjustment.
- t2 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
- tzinfo=FixedOffset(-1439, ""))
-
- # Make sure those compare correctly, and w/o overflow.
- self.assertTrue(t1 < t2)
- self.assertTrue(t1 != t2)
- self.assertTrue(t2 > t1)
-
- self.assertEqual(t1, t1)
- self.assertEqual(t2, t2)
-
- # Equal afer adjustment.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""))
- t2 = self.theclass(2, 1, 1, 3, 13, tzinfo=FixedOffset(3*60+13+2, ""))
- self.assertEqual(t1, t2)
-
- # Change t1 not to subtract a minute, and t1 should be larger.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(0, ""))
- self.assertTrue(t1 > t2)
-
- # Change t1 to subtract 2 minutes, and t1 should be smaller.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(2, ""))
- self.assertTrue(t1 < t2)
-
- # Back to the original t1, but make seconds resolve it.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""),
- second=1)
- self.assertTrue(t1 > t2)
-
- # Likewise, but make microseconds resolve it.
- t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""),
- microsecond=1)
- self.assertTrue(t1 > t2)
-
- # Make t2 naive and it should fail.
- t2 = self.theclass.min
- self.assertRaises(TypeError, lambda: t1 == t2)
- self.assertEqual(t2, t2)
-
- # It's also naive if it has tzinfo but tzinfo.utcoffset() is None.
- class Naive(tzinfo):
- def utcoffset(self, dt): return None
- t2 = self.theclass(5, 6, 7, tzinfo=Naive())
- self.assertRaises(TypeError, lambda: t1 == t2)
- self.assertEqual(t2, t2)
-
- # OTOH, it's OK to compare two of these mixing the two ways of being
- # naive.
- t1 = self.theclass(5, 6, 7)
- self.assertEqual(t1, t2)
-
- # Try a bogus uctoffset.
- class Bogus(tzinfo):
- def utcoffset(self, dt):
- return timedelta(minutes=1440) # out of bounds
- t1 = self.theclass(2, 2, 2, tzinfo=Bogus())
- t2 = self.theclass(2, 2, 2, tzinfo=FixedOffset(0, ""))
- self.assertRaises(ValueError, lambda: t1 == t2)
-
- def test_pickling(self):
- # Try one without a tzinfo.
- args = 6, 7, 23, 20, 59, 1, 64**2
- orig = self.theclass(*args)
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
-
- # Try one with a tzinfo.
- tinfo = PicklableFixedOffset(-300, 'cookie')
- orig = self.theclass(*args, **{'tzinfo': tinfo})
- derived = self.theclass(1, 1, 1, tzinfo=FixedOffset(0, "", 0))
- for pickler, unpickler, proto in pickle_choices:
- green = pickler.dumps(orig, proto)
- derived = unpickler.loads(green)
- self.assertEqual(orig, derived)
- self.assertIsInstance(derived.tzinfo, PicklableFixedOffset)
- self.assertEqual(derived.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(derived.tzname(), 'cookie')
-
- def test_extreme_hashes(self):
- # If an attempt is made to hash these via subtracting the offset
- # then hashing a datetime object, OverflowError results. The
- # Python implementation used to blow up here.
- t = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
- hash(t)
- t = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
- tzinfo=FixedOffset(-1439, ""))
- hash(t)
-
- # OTOH, an OOB offset should blow up.
- t = self.theclass(5, 5, 5, tzinfo=FixedOffset(-1440, ""))
- self.assertRaises(ValueError, hash, t)
-
- def test_zones(self):
- est = FixedOffset(-300, "EST")
- utc = FixedOffset(0, "UTC")
- met = FixedOffset(60, "MET")
- t1 = datetime(2002, 3, 19, 7, 47, tzinfo=est)
- t2 = datetime(2002, 3, 19, 12, 47, tzinfo=utc)
- t3 = datetime(2002, 3, 19, 13, 47, tzinfo=met)
- self.assertEqual(t1.tzinfo, est)
- self.assertEqual(t2.tzinfo, utc)
- self.assertEqual(t3.tzinfo, met)
- self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
- self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
- self.assertEqual(t1.tzname(), "EST")
- self.assertEqual(t2.tzname(), "UTC")
- self.assertEqual(t3.tzname(), "MET")
- self.assertEqual(hash(t1), hash(t2))
- self.assertEqual(hash(t1), hash(t3))
- self.assertEqual(hash(t2), hash(t3))
- self.assertEqual(t1, t2)
- self.assertEqual(t1, t3)
- self.assertEqual(t2, t3)
- self.assertEqual(str(t1), "2002-03-19 07:47:00-05:00")
- self.assertEqual(str(t2), "2002-03-19 12:47:00+00:00")
- self.assertEqual(str(t3), "2002-03-19 13:47:00+01:00")
- d = 'datetime.datetime(2002, 3, 19, '
- self.assertEqual(repr(t1), d + "7, 47, tzinfo=est)")
- self.assertEqual(repr(t2), d + "12, 47, tzinfo=utc)")
- self.assertEqual(repr(t3), d + "13, 47, tzinfo=met)")
-
- def test_combine(self):
- met = FixedOffset(60, "MET")
- d = date(2002, 3, 4)
- tz = time(18, 45, 3, 1234, tzinfo=met)
- dt = datetime.combine(d, tz)
- self.assertEqual(dt, datetime(2002, 3, 4, 18, 45, 3, 1234,
- tzinfo=met))
-
- def test_extract(self):
- met = FixedOffset(60, "MET")
- dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234, tzinfo=met)
- self.assertEqual(dt.date(), date(2002, 3, 4))
- self.assertEqual(dt.time(), time(18, 45, 3, 1234))
- self.assertEqual(dt.timetz(), time(18, 45, 3, 1234, tzinfo=met))
-
- def test_tz_aware_arithmetic(self):
- import random
-
- now = self.theclass.now()
- tz55 = FixedOffset(-330, "west 5:30")
- timeaware = now.time().replace(tzinfo=tz55)
- nowaware = self.theclass.combine(now.date(), timeaware)
- self.assertTrue(nowaware.tzinfo is tz55)
- self.assertEqual(nowaware.timetz(), timeaware)
-
- # Can't mix aware and non-aware.
- self.assertRaises(TypeError, lambda: now - nowaware)
- self.assertRaises(TypeError, lambda: nowaware - now)
-
- # And adding datetime's doesn't make sense, aware or not.
- self.assertRaises(TypeError, lambda: now + nowaware)
- self.assertRaises(TypeError, lambda: nowaware + now)
- self.assertRaises(TypeError, lambda: nowaware + nowaware)
-
- # Subtracting should yield 0.
- self.assertEqual(now - now, timedelta(0))
- self.assertEqual(nowaware - nowaware, timedelta(0))
-
- # Adding a delta should preserve tzinfo.
- delta = timedelta(weeks=1, minutes=12, microseconds=5678)
- nowawareplus = nowaware + delta
- self.assertTrue(nowaware.tzinfo is tz55)
- nowawareplus2 = delta + nowaware
- self.assertTrue(nowawareplus2.tzinfo is tz55)
- self.assertEqual(nowawareplus, nowawareplus2)
-
- # that - delta should be what we started with, and that - what we
- # started with should be delta.
- diff = nowawareplus - delta
- self.assertTrue(diff.tzinfo is tz55)
- self.assertEqual(nowaware, diff)
- self.assertRaises(TypeError, lambda: delta - nowawareplus)
- self.assertEqual(nowawareplus - nowaware, delta)
-
- # Make up a random timezone.
- tzr = FixedOffset(random.randrange(-1439, 1440), "randomtimezone")
- # Attach it to nowawareplus.
- nowawareplus = nowawareplus.replace(tzinfo=tzr)
- self.assertTrue(nowawareplus.tzinfo is tzr)
- # Make sure the difference takes the timezone adjustments into account.
- got = nowaware - nowawareplus
- # Expected: (nowaware base - nowaware offset) -
- # (nowawareplus base - nowawareplus offset) =
- # (nowaware base - nowawareplus base) +
- # (nowawareplus offset - nowaware offset) =
- # -delta + nowawareplus offset - nowaware offset
- expected = nowawareplus.utcoffset() - nowaware.utcoffset() - delta
- self.assertEqual(got, expected)
-
- # Try max possible difference.
- min = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "min"))
- max = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
- tzinfo=FixedOffset(-1439, "max"))
- maxdiff = max - min
- self.assertEqual(maxdiff, self.theclass.max - self.theclass.min +
- timedelta(minutes=2*1439))
- # Different tzinfo, but the same offset
- tza = timezone(HOUR, 'A')
- tzb = timezone(HOUR, 'B')
- delta = min.replace(tzinfo=tza) - max.replace(tzinfo=tzb)
- self.assertEqual(delta, self.theclass.min - self.theclass.max)
-
- def test_tzinfo_now(self):
- meth = self.theclass.now
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth()
- # Try with and without naming the keyword.
- off42 = FixedOffset(42, "42")
- another = meth(off42)
- again = meth(tz=off42)
- self.assertTrue(another.tzinfo is again.tzinfo)
- self.assertEqual(another.utcoffset(), timedelta(minutes=42))
- # Bad argument with and w/o naming the keyword.
- self.assertRaises(TypeError, meth, 16)
- self.assertRaises(TypeError, meth, tzinfo=16)
- # Bad keyword name.
- self.assertRaises(TypeError, meth, tinfo=off42)
- # Too many args.
- self.assertRaises(TypeError, meth, off42, off42)
-
- # We don't know which time zone we're in, and don't have a tzinfo
- # class to represent it, so seeing whether a tz argument actually
- # does a conversion is tricky.
- utc = FixedOffset(0, "utc", 0)
- for weirdtz in [FixedOffset(timedelta(hours=15, minutes=58), "weirdtz", 0),
- timezone(timedelta(hours=15, minutes=58), "weirdtz"),]:
- for dummy in range(3):
- now = datetime.now(weirdtz)
- self.assertTrue(now.tzinfo is weirdtz)
- utcnow = datetime.utcnow().replace(tzinfo=utc)
- now2 = utcnow.astimezone(weirdtz)
- if abs(now - now2) < timedelta(seconds=30):
- break
- # Else the code is broken, or more than 30 seconds passed between
- # calls; assuming the latter, just try again.
- else:
- # Three strikes and we're out.
- self.fail("utcnow(), now(tz), or astimezone() may be broken")
-
- def test_tzinfo_fromtimestamp(self):
- import time
- meth = self.theclass.fromtimestamp
- ts = time.time()
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth(ts)
- # Try with and without naming the keyword.
- off42 = FixedOffset(42, "42")
- another = meth(ts, off42)
- again = meth(ts, tz=off42)
- self.assertTrue(another.tzinfo is again.tzinfo)
- self.assertEqual(another.utcoffset(), timedelta(minutes=42))
- # Bad argument with and w/o naming the keyword.
- self.assertRaises(TypeError, meth, ts, 16)
- self.assertRaises(TypeError, meth, ts, tzinfo=16)
- # Bad keyword name.
- self.assertRaises(TypeError, meth, ts, tinfo=off42)
- # Too many args.
- self.assertRaises(TypeError, meth, ts, off42, off42)
- # Too few args.
- self.assertRaises(TypeError, meth)
-
- # Try to make sure tz= actually does some conversion.
- timestamp = 1000000000
- utcdatetime = datetime.utcfromtimestamp(timestamp)
- # In POSIX (epoch 1970), that's 2001-09-09 01:46:40 UTC, give or take.
- # But on some flavor of Mac, it's nowhere near that. So we can't have
- # any idea here what time that actually is, we can only test that
- # relative changes match.
- utcoffset = timedelta(hours=-15, minutes=39) # arbitrary, but not zero
- tz = FixedOffset(utcoffset, "tz", 0)
- expected = utcdatetime + utcoffset
- got = datetime.fromtimestamp(timestamp, tz)
- self.assertEqual(expected, got.replace(tzinfo=None))
-
- def test_tzinfo_utcnow(self):
- meth = self.theclass.utcnow
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth()
- # Try with and without naming the keyword; for whatever reason,
- # utcnow() doesn't accept a tzinfo argument.
- off42 = FixedOffset(42, "42")
- self.assertRaises(TypeError, meth, off42)
- self.assertRaises(TypeError, meth, tzinfo=off42)
-
- def test_tzinfo_utcfromtimestamp(self):
- import time
- meth = self.theclass.utcfromtimestamp
- ts = time.time()
- # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
- base = meth(ts)
- # Try with and without naming the keyword; for whatever reason,
- # utcfromtimestamp() doesn't accept a tzinfo argument.
- off42 = FixedOffset(42, "42")
- self.assertRaises(TypeError, meth, ts, off42)
- self.assertRaises(TypeError, meth, ts, tzinfo=off42)
-
- def test_tzinfo_timetuple(self):
- # TestDateTime tested most of this. datetime adds a twist to the
- # DST flag.
- class DST(tzinfo):
- def __init__(self, dstvalue):
- if isinstance(dstvalue, int):
- dstvalue = timedelta(minutes=dstvalue)
- self.dstvalue = dstvalue
- def dst(self, dt):
- return self.dstvalue
-
- cls = self.theclass
- for dstvalue, flag in (-33, 1), (33, 1), (0, 0), (None, -1):
- d = cls(1, 1, 1, 10, 20, 30, 40, tzinfo=DST(dstvalue))
- t = d.timetuple()
- self.assertEqual(1, t.tm_year)
- self.assertEqual(1, t.tm_mon)
- self.assertEqual(1, t.tm_mday)
- self.assertEqual(10, t.tm_hour)
- self.assertEqual(20, t.tm_min)
- self.assertEqual(30, t.tm_sec)
- self.assertEqual(0, t.tm_wday)
- self.assertEqual(1, t.tm_yday)
- self.assertEqual(flag, t.tm_isdst)
-
- # dst() returns wrong type.
- self.assertRaises(TypeError, cls(1, 1, 1, tzinfo=DST("x")).timetuple)
-
- # dst() at the edge.
- self.assertEqual(cls(1,1,1, tzinfo=DST(1439)).timetuple().tm_isdst, 1)
- self.assertEqual(cls(1,1,1, tzinfo=DST(-1439)).timetuple().tm_isdst, 1)
-
- # dst() out of range.
- self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(1440)).timetuple)
- self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(-1440)).timetuple)
-
- def test_utctimetuple(self):
- class DST(tzinfo):
- def __init__(self, dstvalue=0):
- if isinstance(dstvalue, int):
- dstvalue = timedelta(minutes=dstvalue)
- self.dstvalue = dstvalue
- def dst(self, dt):
- return self.dstvalue
-
- cls = self.theclass
- # This can't work: DST didn't implement utcoffset.
- self.assertRaises(NotImplementedError,
- cls(1, 1, 1, tzinfo=DST(0)).utcoffset)
-
- class UOFS(DST):
- def __init__(self, uofs, dofs=None):
- DST.__init__(self, dofs)
- self.uofs = timedelta(minutes=uofs)
- def utcoffset(self, dt):
- return self.uofs
-
- for dstvalue in -33, 33, 0, None:
- d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=UOFS(-53, dstvalue))
- t = d.utctimetuple()
- self.assertEqual(d.year, t.tm_year)
- self.assertEqual(d.month, t.tm_mon)
- self.assertEqual(d.day, t.tm_mday)
- self.assertEqual(11, t.tm_hour) # 20mm + 53mm = 1hn + 13mm
- self.assertEqual(13, t.tm_min)
- self.assertEqual(d.second, t.tm_sec)
- self.assertEqual(d.weekday(), t.tm_wday)
- self.assertEqual(d.toordinal() - date(1, 1, 1).toordinal() + 1,
- t.tm_yday)
- # Ensure tm_isdst is 0 regardless of what dst() says: DST
- # is never in effect for a UTC time.
- self.assertEqual(0, t.tm_isdst)
-
- # For naive datetime, utctimetuple == timetuple except for isdst
- d = cls(1, 2, 3, 10, 20, 30, 40)
- t = d.utctimetuple()
- self.assertEqual(t[:-1], d.timetuple()[:-1])
- self.assertEqual(0, t.tm_isdst)
- # Same if utcoffset is None
- class NOFS(DST):
- def utcoffset(self, dt):
- return None
- d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=NOFS())
- t = d.utctimetuple()
- self.assertEqual(t[:-1], d.timetuple()[:-1])
- self.assertEqual(0, t.tm_isdst)
- # Check that bad tzinfo is detected
- class BOFS(DST):
- def utcoffset(self, dt):
- return "EST"
- d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=BOFS())
- self.assertRaises(TypeError, d.utctimetuple)
-
- # Check that utctimetuple() is the same as
- # astimezone(utc).timetuple()
- d = cls(2010, 11, 13, 14, 15, 16, 171819)
- for tz in [timezone.min, timezone.utc, timezone.max]:
- dtz = d.replace(tzinfo=tz)
- self.assertEqual(dtz.utctimetuple()[:-1],
- dtz.astimezone(timezone.utc).timetuple()[:-1])
- # At the edges, UTC adjustment can produce years out-of-range
- # for a datetime object. Ensure that an OverflowError is
- # raised.
- tiny = cls(MINYEAR, 1, 1, 0, 0, 37, tzinfo=UOFS(1439))
- # That goes back 1 minute less than a full day.
- self.assertRaises(OverflowError, tiny.utctimetuple)
-
- huge = cls(MAXYEAR, 12, 31, 23, 59, 37, 999999, tzinfo=UOFS(-1439))
- # That goes forward 1 minute less than a full day.
- self.assertRaises(OverflowError, huge.utctimetuple)
- # More overflow cases
- tiny = cls.min.replace(tzinfo=timezone(MINUTE))
- self.assertRaises(OverflowError, tiny.utctimetuple)
- huge = cls.max.replace(tzinfo=timezone(-MINUTE))
- self.assertRaises(OverflowError, huge.utctimetuple)
-
- def test_tzinfo_isoformat(self):
- zero = FixedOffset(0, "+00:00")
- plus = FixedOffset(220, "+03:40")
- minus = FixedOffset(-231, "-03:51")
- unknown = FixedOffset(None, "")
-
- cls = self.theclass
- datestr = '0001-02-03'
- for ofs in None, zero, plus, minus, unknown:
- for us in 0, 987001:
- d = cls(1, 2, 3, 4, 5, 59, us, tzinfo=ofs)
- timestr = '04:05:59' + (us and '.987001' or '')
- ofsstr = ofs is not None and d.tzname() or ''
- tailstr = timestr + ofsstr
- iso = d.isoformat()
- self.assertEqual(iso, datestr + 'T' + tailstr)
- self.assertEqual(iso, d.isoformat('T'))
- self.assertEqual(d.isoformat('k'), datestr + 'k' + tailstr)
- self.assertEqual(d.isoformat('\u1234'), datestr + '\u1234' + tailstr)
- self.assertEqual(str(d), datestr + ' ' + tailstr)
-
- def test_replace(self):
- cls = self.theclass
- z100 = FixedOffset(100, "+100")
- zm200 = FixedOffset(timedelta(minutes=-200), "-200")
- args = [1, 2, 3, 4, 5, 6, 7, z100]
- base = cls(*args)
- self.assertEqual(base, base.replace())
-
- i = 0
- for name, newval in (("year", 2),
- ("month", 3),
- ("day", 4),
- ("hour", 5),
- ("minute", 6),
- ("second", 7),
- ("microsecond", 8),
- ("tzinfo", zm200)):
- newargs = args[:]
- newargs[i] = newval
- expected = cls(*newargs)
- got = base.replace(**{name: newval})
- self.assertEqual(expected, got)
- i += 1
-
- # Ensure we can get rid of a tzinfo.
- self.assertEqual(base.tzname(), "+100")
- base2 = base.replace(tzinfo=None)
- self.assertTrue(base2.tzinfo is None)
- self.assertTrue(base2.tzname() is None)
-
- # Ensure we can add one.
- base3 = base2.replace(tzinfo=z100)
- self.assertEqual(base, base3)
- self.assertTrue(base.tzinfo is base3.tzinfo)
-
- # Out of bounds.
- base = cls(2000, 2, 29)
- self.assertRaises(ValueError, base.replace, year=2001)
-
- def test_more_astimezone(self):
- # The inherited test_astimezone covered some trivial and error cases.
- fnone = FixedOffset(None, "None")
- f44m = FixedOffset(44, "44")
- fm5h = FixedOffset(-timedelta(hours=5), "m300")
-
- dt = self.theclass.now(tz=f44m)
- self.assertTrue(dt.tzinfo is f44m)
- # Replacing with degenerate tzinfo raises an exception.
- self.assertRaises(ValueError, dt.astimezone, fnone)
- # Ditto with None tz.
- self.assertRaises(TypeError, dt.astimezone, None)
- # Replacing with same tzinfo makes no change.
- x = dt.astimezone(dt.tzinfo)
- self.assertTrue(x.tzinfo is f44m)
- self.assertEqual(x.date(), dt.date())
- self.assertEqual(x.time(), dt.time())
-
- # Replacing with different tzinfo does adjust.
- got = dt.astimezone(fm5h)
- self.assertTrue(got.tzinfo is fm5h)
- self.assertEqual(got.utcoffset(), timedelta(hours=-5))
- expected = dt - dt.utcoffset() # in effect, convert to UTC
- expected += fm5h.utcoffset(dt) # and from there to local time
- expected = expected.replace(tzinfo=fm5h) # and attach new tzinfo
- self.assertEqual(got.date(), expected.date())
- self.assertEqual(got.time(), expected.time())
- self.assertEqual(got.timetz(), expected.timetz())
- self.assertTrue(got.tzinfo is expected.tzinfo)
- self.assertEqual(got, expected)
-
- def test_aware_subtract(self):
- cls = self.theclass
-
- # Ensure that utcoffset() is ignored when the operands have the
- # same tzinfo member.
- class OperandDependentOffset(tzinfo):
- def utcoffset(self, t):
- if t.minute < 10:
- # d0 and d1 equal after adjustment
- return timedelta(minutes=t.minute)
- else:
- # d2 off in the weeds
- return timedelta(minutes=59)
-
- base = cls(8, 9, 10, 11, 12, 13, 14, tzinfo=OperandDependentOffset())
- d0 = base.replace(minute=3)
- d1 = base.replace(minute=9)
- d2 = base.replace(minute=11)
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- got = x - y
- expected = timedelta(minutes=x.minute - y.minute)
- self.assertEqual(got, expected)
-
- # OTOH, if the tzinfo members are distinct, utcoffsets aren't
- # ignored.
- base = cls(8, 9, 10, 11, 12, 13, 14)
- d0 = base.replace(minute=3, tzinfo=OperandDependentOffset())
- d1 = base.replace(minute=9, tzinfo=OperandDependentOffset())
- d2 = base.replace(minute=11, tzinfo=OperandDependentOffset())
- for x in d0, d1, d2:
- for y in d0, d1, d2:
- got = x - y
- if (x is d0 or x is d1) and (y is d0 or y is d1):
- expected = timedelta(0)
- elif x is y is d2:
- expected = timedelta(0)
- elif x is d2:
- expected = timedelta(minutes=(11-59)-0)
- else:
- assert y is d2
- expected = timedelta(minutes=0-(11-59))
- self.assertEqual(got, expected)
-
- def test_mixed_compare(self):
- t1 = datetime(1, 2, 3, 4, 5, 6, 7)
- t2 = datetime(1, 2, 3, 4, 5, 6, 7)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=None)
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(None, ""))
- self.assertEqual(t1, t2)
- t2 = t2.replace(tzinfo=FixedOffset(0, ""))
- self.assertRaises(TypeError, lambda: t1 == t2)
-
- # In datetime w/ identical tzinfo objects, utcoffset is ignored.
- class Varies(tzinfo):
- def __init__(self):
- self.offset = timedelta(minutes=22)
- def utcoffset(self, t):
- self.offset += timedelta(minutes=1)
- return self.offset
-
- v = Varies()
- t1 = t2.replace(tzinfo=v)
- t2 = t2.replace(tzinfo=v)
- self.assertEqual(t1.utcoffset(), timedelta(minutes=23))
- self.assertEqual(t2.utcoffset(), timedelta(minutes=24))
- self.assertEqual(t1, t2)
-
- # But if they're not identical, it isn't ignored.
- t2 = t2.replace(tzinfo=Varies())
- self.assertTrue(t1 < t2) # t1's offset counter still going up
-
- def test_subclass_datetimetz(self):
-
- class C(self.theclass):
- theAnswer = 42
-
- def __new__(cls, *args, **kws):
- temp = kws.copy()
- extra = temp.pop('extra')
- result = self.theclass.__new__(cls, *args, **temp)
- result.extra = extra
- return result
-
- def newmeth(self, start):
- return start + self.hour + self.year
-
- args = 2002, 12, 31, 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
-
- dt1 = self.theclass(*args)
- dt2 = C(*args, **{'extra': 7})
-
- self.assertEqual(dt2.__class__, C)
- self.assertEqual(dt2.theAnswer, 42)
- self.assertEqual(dt2.extra, 7)
- self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
- self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.year - 7)
-
-# Pain to set up DST-aware tzinfo classes.
-
-def first_sunday_on_or_after(dt):
- days_to_go = 6 - dt.weekday()
- if days_to_go:
- dt += timedelta(days_to_go)
- return dt
-
-ZERO = timedelta(0)
-MINUTE = timedelta(minutes=1)
-HOUR = timedelta(hours=1)
-DAY = timedelta(days=1)
-# In the US, DST starts at 2am (standard time) on the first Sunday in April.
-DSTSTART = datetime(1, 4, 1, 2)
-# and ends at 2am (DST time; 1am standard time) on the last Sunday of Oct,
-# which is the first Sunday on or after Oct 25. Because we view 1:MM as
-# being standard time on that day, there is no spelling in local time of
-# the last hour of DST (that's 1:MM DST, but 1:MM is taken as standard time).
-DSTEND = datetime(1, 10, 25, 1)
-
-class USTimeZone(tzinfo):
-
- def __init__(self, hours, reprname, stdname, dstname):
- self.stdoffset = timedelta(hours=hours)
- self.reprname = reprname
- self.stdname = stdname
- self.dstname = dstname
-
- def __repr__(self):
- return self.reprname
-
- def tzname(self, dt):
- if self.dst(dt):
- return self.dstname
- else:
- return self.stdname
-
- def utcoffset(self, dt):
- return self.stdoffset + self.dst(dt)
-
- def dst(self, dt):
- if dt is None or dt.tzinfo is None:
- # An exception instead may be sensible here, in one or more of
- # the cases.
- return ZERO
- assert dt.tzinfo is self
-
- # Find first Sunday in April.
- start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year))
- assert start.weekday() == 6 and start.month == 4 and start.day <= 7
-
- # Find last Sunday in October.
- end = first_sunday_on_or_after(DSTEND.replace(year=dt.year))
- assert end.weekday() == 6 and end.month == 10 and end.day >= 25
-
- # Can't compare naive to aware objects, so strip the timezone from
- # dt first.
- if start <= dt.replace(tzinfo=None) < end:
- return HOUR
- else:
- return ZERO
-
-Eastern = USTimeZone(-5, "Eastern", "EST", "EDT")
-Central = USTimeZone(-6, "Central", "CST", "CDT")
-Mountain = USTimeZone(-7, "Mountain", "MST", "MDT")
-Pacific = USTimeZone(-8, "Pacific", "PST", "PDT")
-utc_real = FixedOffset(0, "UTC", 0)
-# For better test coverage, we want another flavor of UTC that's west of
-# the Eastern and Pacific timezones.
-utc_fake = FixedOffset(-12*60, "UTCfake", 0)
-
-class TestTimezoneConversions(unittest.TestCase):
- # The DST switch times for 2002, in std time.
- dston = datetime(2002, 4, 7, 2)
- dstoff = datetime(2002, 10, 27, 1)
-
- theclass = datetime
-
- # Check a time that's inside DST.
- def checkinside(self, dt, tz, utc, dston, dstoff):
- self.assertEqual(dt.dst(), HOUR)
-
- # Conversion to our own timezone is always an identity.
- self.assertEqual(dt.astimezone(tz), dt)
-
- asutc = dt.astimezone(utc)
- there_and_back = asutc.astimezone(tz)
-
- # Conversion to UTC and back isn't always an identity here,
- # because there are redundant spellings (in local time) of
- # UTC time when DST begins: the clock jumps from 1:59:59
- # to 3:00:00, and a local time of 2:MM:SS doesn't really
- # make sense then. The classes above treat 2:MM:SS as
- # daylight time then (it's "after 2am"), really an alias
- # for 1:MM:SS standard time. The latter form is what
- # conversion back from UTC produces.
- if dt.date() == dston.date() and dt.hour == 2:
- # We're in the redundant hour, and coming back from
- # UTC gives the 1:MM:SS standard-time spelling.
- self.assertEqual(there_and_back + HOUR, dt)
- # Although during was considered to be in daylight
- # time, there_and_back is not.
- self.assertEqual(there_and_back.dst(), ZERO)
- # They're the same times in UTC.
- self.assertEqual(there_and_back.astimezone(utc),
- dt.astimezone(utc))
- else:
- # We're not in the redundant hour.
- self.assertEqual(dt, there_and_back)
-
- # Because we have a redundant spelling when DST begins, there is
- # (unforunately) an hour when DST ends that can't be spelled at all in
- # local time. When DST ends, the clock jumps from 1:59 back to 1:00
- # again. The hour 1:MM DST has no spelling then: 1:MM is taken to be
- # standard time. 1:MM DST == 0:MM EST, but 0:MM is taken to be
- # daylight time. The hour 1:MM daylight == 0:MM standard can't be
- # expressed in local time. Nevertheless, we want conversion back
- # from UTC to mimic the local clock's "repeat an hour" behavior.
- nexthour_utc = asutc + HOUR
- nexthour_tz = nexthour_utc.astimezone(tz)
- if dt.date() == dstoff.date() and dt.hour == 0:
- # We're in the hour before the last DST hour. The last DST hour
- # is ineffable. We want the conversion back to repeat 1:MM.
- self.assertEqual(nexthour_tz, dt.replace(hour=1))
- nexthour_utc += HOUR
- nexthour_tz = nexthour_utc.astimezone(tz)
- self.assertEqual(nexthour_tz, dt.replace(hour=1))
- else:
- self.assertEqual(nexthour_tz - dt, HOUR)
-
- # Check a time that's outside DST.
- def checkoutside(self, dt, tz, utc):
- self.assertEqual(dt.dst(), ZERO)
-
- # Conversion to our own timezone is always an identity.
- self.assertEqual(dt.astimezone(tz), dt)
-
- # Converting to UTC and back is an identity too.
- asutc = dt.astimezone(utc)
- there_and_back = asutc.astimezone(tz)
- self.assertEqual(dt, there_and_back)
-
- def convert_between_tz_and_utc(self, tz, utc):
- dston = self.dston.replace(tzinfo=tz)
- # Because 1:MM on the day DST ends is taken as being standard time,
- # there is no spelling in tz for the last hour of daylight time.
- # For purposes of the test, the last hour of DST is 0:MM, which is
- # taken as being daylight time (and 1:MM is taken as being standard
- # time).
- dstoff = self.dstoff.replace(tzinfo=tz)
- for delta in (timedelta(weeks=13),
- DAY,
- HOUR,
- timedelta(minutes=1),
- timedelta(microseconds=1)):
-
- self.checkinside(dston, tz, utc, dston, dstoff)
- for during in dston + delta, dstoff - delta:
- self.checkinside(during, tz, utc, dston, dstoff)
-
- self.checkoutside(dstoff, tz, utc)
- for outside in dston - delta, dstoff + delta:
- self.checkoutside(outside, tz, utc)
-
- def test_easy(self):
- # Despite the name of this test, the endcases are excruciating.
- self.convert_between_tz_and_utc(Eastern, utc_real)
- self.convert_between_tz_and_utc(Pacific, utc_real)
- self.convert_between_tz_and_utc(Eastern, utc_fake)
- self.convert_between_tz_and_utc(Pacific, utc_fake)
- # The next is really dancing near the edge. It works because
- # Pacific and Eastern are far enough apart that their "problem
- # hours" don't overlap.
- self.convert_between_tz_and_utc(Eastern, Pacific)
- self.convert_between_tz_and_utc(Pacific, Eastern)
- # OTOH, these fail! Don't enable them. The difficulty is that
- # the edge case tests assume that every hour is representable in
- # the "utc" class. This is always true for a fixed-offset tzinfo
- # class (lke utc_real and utc_fake), but not for Eastern or Central.
- # For these adjacent DST-aware time zones, the range of time offsets
- # tested ends up creating hours in the one that aren't representable
- # in the other. For the same reason, we would see failures in the
- # Eastern vs Pacific tests too if we added 3*HOUR to the list of
- # offset deltas in convert_between_tz_and_utc().
- #
- # self.convert_between_tz_and_utc(Eastern, Central) # can't work
- # self.convert_between_tz_and_utc(Central, Eastern) # can't work
-
- def test_tricky(self):
- # 22:00 on day before daylight starts.
- fourback = self.dston - timedelta(hours=4)
- ninewest = FixedOffset(-9*60, "-0900", 0)
- fourback = fourback.replace(tzinfo=ninewest)
- # 22:00-0900 is 7:00 UTC == 2:00 EST == 3:00 DST. Since it's "after
- # 2", we should get the 3 spelling.
- # If we plug 22:00 the day before into Eastern, it "looks like std
- # time", so its offset is returned as -5, and -5 - -9 = 4. Adding 4
- # to 22:00 lands on 2:00, which makes no sense in local time (the
- # local clock jumps from 1 to 3). The point here is to make sure we
- # get the 3 spelling.
- expected = self.dston.replace(hour=3)
- got = fourback.astimezone(Eastern).replace(tzinfo=None)
- self.assertEqual(expected, got)
-
- # Similar, but map to 6:00 UTC == 1:00 EST == 2:00 DST. In that
- # case we want the 1:00 spelling.
- sixutc = self.dston.replace(hour=6, tzinfo=utc_real)
- # Now 6:00 "looks like daylight", so the offset wrt Eastern is -4,
- # and adding -4-0 == -4 gives the 2:00 spelling. We want the 1:00 EST
- # spelling.
- expected = self.dston.replace(hour=1)
- got = sixutc.astimezone(Eastern).replace(tzinfo=None)
- self.assertEqual(expected, got)
-
- # Now on the day DST ends, we want "repeat an hour" behavior.
- # UTC 4:MM 5:MM 6:MM 7:MM checking these
- # EST 23:MM 0:MM 1:MM 2:MM
- # EDT 0:MM 1:MM 2:MM 3:MM
- # wall 0:MM 1:MM 1:MM 2:MM against these
- for utc in utc_real, utc_fake:
- for tz in Eastern, Pacific:
- first_std_hour = self.dstoff - timedelta(hours=2) # 23:MM
- # Convert that to UTC.
- first_std_hour -= tz.utcoffset(None)
- # Adjust for possibly fake UTC.
- asutc = first_std_hour + utc.utcoffset(None)
- # First UTC hour to convert; this is 4:00 when utc=utc_real &
- # tz=Eastern.
- asutcbase = asutc.replace(tzinfo=utc)
- for tzhour in (0, 1, 1, 2):
- expectedbase = self.dstoff.replace(hour=tzhour)
- for minute in 0, 30, 59:
- expected = expectedbase.replace(minute=minute)
- asutc = asutcbase.replace(minute=minute)
- astz = asutc.astimezone(tz)
- self.assertEqual(astz.replace(tzinfo=None), expected)
- asutcbase += HOUR
-
-
- def test_bogus_dst(self):
- class ok(tzinfo):
- def utcoffset(self, dt): return HOUR
- def dst(self, dt): return HOUR
-
- now = self.theclass.now().replace(tzinfo=utc_real)
- # Doesn't blow up.
- now.astimezone(ok())
-
- # Does blow up.
- class notok(ok):
- def dst(self, dt): return None
- self.assertRaises(ValueError, now.astimezone, notok())
-
- # Sometimes blow up. In the following, tzinfo.dst()
- # implementation may return None or not None depending on
- # whether DST is assumed to be in effect. In this situation,
- # a ValueError should be raised by astimezone().
- class tricky_notok(ok):
- def dst(self, dt):
- if dt.year == 2000:
- return None
- else:
- return 10*HOUR
- dt = self.theclass(2001, 1, 1).replace(tzinfo=utc_real)
- self.assertRaises(ValueError, dt.astimezone, tricky_notok())
-
- def test_fromutc(self):
- self.assertRaises(TypeError, Eastern.fromutc) # not enough args
- now = datetime.utcnow().replace(tzinfo=utc_real)
- self.assertRaises(ValueError, Eastern.fromutc, now) # wrong tzinfo
- now = now.replace(tzinfo=Eastern) # insert correct tzinfo
- enow = Eastern.fromutc(now) # doesn't blow up
- self.assertEqual(enow.tzinfo, Eastern) # has right tzinfo member
- self.assertRaises(TypeError, Eastern.fromutc, now, now) # too many args
- self.assertRaises(TypeError, Eastern.fromutc, date.today()) # wrong type
-
- # Always converts UTC to standard time.
- class FauxUSTimeZone(USTimeZone):
- def fromutc(self, dt):
- return dt + self.stdoffset
- FEastern = FauxUSTimeZone(-5, "FEastern", "FEST", "FEDT")
-
- # UTC 4:MM 5:MM 6:MM 7:MM 8:MM 9:MM
- # EST 23:MM 0:MM 1:MM 2:MM 3:MM 4:MM
- # EDT 0:MM 1:MM 2:MM 3:MM 4:MM 5:MM
-
- # Check around DST start.
- start = self.dston.replace(hour=4, tzinfo=Eastern)
- fstart = start.replace(tzinfo=FEastern)
- for wall in 23, 0, 1, 3, 4, 5:
- expected = start.replace(hour=wall)
- if wall == 23:
- expected -= timedelta(days=1)
- got = Eastern.fromutc(start)
- self.assertEqual(expected, got)
-
- expected = fstart + FEastern.stdoffset
- got = FEastern.fromutc(fstart)
- self.assertEqual(expected, got)
-
- # Ensure astimezone() calls fromutc() too.
- got = fstart.replace(tzinfo=utc_real).astimezone(FEastern)
- self.assertEqual(expected, got)
-
- start += HOUR
- fstart += HOUR
-
- # Check around DST end.
- start = self.dstoff.replace(hour=4, tzinfo=Eastern)
- fstart = start.replace(tzinfo=FEastern)
- for wall in 0, 1, 1, 2, 3, 4:
- expected = start.replace(hour=wall)
- got = Eastern.fromutc(start)
- self.assertEqual(expected, got)
-
- expected = fstart + FEastern.stdoffset
- got = FEastern.fromutc(fstart)
- self.assertEqual(expected, got)
-
- # Ensure astimezone() calls fromutc() too.
- got = fstart.replace(tzinfo=utc_real).astimezone(FEastern)
- self.assertEqual(expected, got)
-
- start += HOUR
- fstart += HOUR
-
-
-#############################################################################
-# oddballs
-
-class Oddballs(unittest.TestCase):
-
- def test_bug_1028306(self):
- # Trying to compare a date to a datetime should act like a mixed-
- # type comparison, despite that datetime is a subclass of date.
- as_date = date.today()
- as_datetime = datetime.combine(as_date, time())
- self.assertTrue(as_date != as_datetime)
- self.assertTrue(as_datetime != as_date)
- self.assertTrue(not as_date == as_datetime)
- self.assertTrue(not as_datetime == as_date)
- self.assertRaises(TypeError, lambda: as_date < as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime < as_date)
- self.assertRaises(TypeError, lambda: as_date <= as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime <= as_date)
- self.assertRaises(TypeError, lambda: as_date > as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime > as_date)
- self.assertRaises(TypeError, lambda: as_date >= as_datetime)
- self.assertRaises(TypeError, lambda: as_datetime >= as_date)
-
- # Neverthelss, comparison should work with the base-class (date)
- # projection if use of a date method is forced.
- self.assertEqual(as_date.__eq__(as_datetime), True)
- different_day = (as_date.day + 1) % 20 + 1
- as_different = as_datetime.replace(day= different_day)
- self.assertEqual(as_date.__eq__(as_different), False)
-
- # And date should compare with other subclasses of date. If a
- # subclass wants to stop this, it's up to the subclass to do so.
- date_sc = SubclassDate(as_date.year, as_date.month, as_date.day)
- self.assertEqual(as_date, date_sc)
- self.assertEqual(date_sc, as_date)
-
- # Ditto for datetimes.
- datetime_sc = SubclassDatetime(as_datetime.year, as_datetime.month,
- as_date.day, 0, 0, 0)
- self.assertEqual(as_datetime, datetime_sc)
- self.assertEqual(datetime_sc, as_datetime)
+import sys
+from test.support import import_fresh_module, run_unittest
+TESTS = 'test.datetimetester'
+# XXX: import_fresh_module() is supposed to leave sys.module cache untouched,
+# XXX: but it does not, so we have to save and restore it ourselves.
+save_sys_modules = sys.modules.copy()
+try:
+ pure_tests = import_fresh_module(TESTS, fresh=['datetime', '_strptime'],
+ blocked=['_datetime'])
+ fast_tests = import_fresh_module(TESTS, fresh=['datetime',
+ '_datetime', '_strptime'])
+finally:
+ sys.modules.clear()
+ sys.modules.update(save_sys_modules)
+test_modules = [pure_tests, fast_tests]
+test_suffixes = ["_Pure", "_Fast"]
+
+for module, suffix in zip(test_modules, test_suffixes):
+ for name, cls in module.__dict__.items():
+ if isinstance(cls, type) and issubclass(cls, unittest.TestCase):
+ name += suffix
+ cls.__name__ = name
+ globals()[name] = cls
+ def setUp(self, module=module, setup=cls.setUp):
+ self._save_sys_modules = sys.modules.copy()
+ sys.modules[TESTS] = module
+ sys.modules['datetime'] = module.datetime_module
+ sys.modules['_strptime'] = module._strptime
+ setup(self)
+ def tearDown(self, teardown=cls.tearDown):
+ teardown(self)
+ sys.modules.clear()
+ sys.modules.update(self._save_sys_modules)
+ cls.setUp = setUp
+ cls.tearDown = tearDown
def test_main():
- support.run_unittest(__name__)
+ run_unittest(__name__)
if __name__ == "__main__":
test_main()
Library
-------
+- Issue #7989: Added pure python implementation of the `datetime`
+ module. The C module is renamed to `_datetime` and if available,
+ overrides all classes defined in datetime with fast C impementation.
+ Python implementation is based on the original python prototype for
+ the datetime module by Tim Peters with minor modifications by the
+ PyPy project. The test suite now tests `datetime` module with and
+ without `_datetime` acceleration using the same test cases.
+
- Issue #7895: platform.mac_ver() no longer crashes after calling os.fork()
- Issue #9323: Fixed a bug in trace.py that resulted in loosing the
#atexit atexitmodule.c # Register functions to be run at interpreter-shutdown
#_elementtree -I$(srcdir)/Modules/expat -DHAVE_EXPAT_CONFIG_H -DUSE_PYEXPAT_CAPI _elementtree.c # elementtree accelerator
#_pickle _pickle.c # pickle accelerator
-#datetime datetimemodule.c # date/time type
+#_datetime _datetimemodule.c # datetime accelerator
#_bisect _bisectmodule.c # Bisection algorithms
#_heapq _heapqmodule.c # Heap queue algorithm
* final result fits in a C int (this can be an issue on 64-bit boxes).
*/
#if SIZEOF_INT < 4
-# error "datetime.c requires that C int have at least 32 bits"
+# error "_datetime.c requires that C int have at least 32 bits"
#endif
#define MINYEAR 1
static struct PyModuleDef datetimemodule = {
PyModuleDef_HEAD_INIT,
- "datetime",
+ "_datetime",
"Fast implementation of the datetime type.",
-1,
module_methods,
};
PyMODINIT_FUNC
-PyInit_datetime(void)
+PyInit__datetime(void)
{
PyObject *m; /* a module object */
PyObject *d; /* its dict */
extern PyObject* PyInit_parser(void);
extern PyObject* PyInit_winreg(void);
extern PyObject* PyInit__struct(void);
-extern PyObject* PyInit_datetime(void);
+extern PyObject* PyInit__datetime(void);
extern PyObject* PyInit__functools(void);
extern PyObject* PyInit__json(void);
extern PyObject* PyInit_zlib(void);
{"parser", PyInit_parser},
{"winreg", PyInit_winreg},
{"_struct", PyInit__struct},
- {"datetime", PyInit_datetime},
+ {"_datetime", PyInit__datetime},
{"_functools", PyInit__functools},
{"_json", PyInit__json},
>
</File>
<File
- RelativePath="..\Modules\datetimemodule.c"
+ RelativePath="..\Modules\_datetimemodule.c"
>
</File>
<File
# time operations and variables
exts.append( Extension('time', ['timemodule.c', '_time.c'],
libraries=math_libs) )
- exts.append( Extension('datetime', ['datetimemodule.c', '_time.c'],
+ exts.append( Extension('_datetime', ['_datetimemodule.c', '_time.c'],
libraries=math_libs) )
# fast iterator tools implemented in C
exts.append( Extension("itertools", ["itertoolsmodule.c"]) )
projects / python / commitdiff