_fields = ('x', 'y')
<BLANKLINE>
def __new__(_cls, x, y):
- 'Create a new instance of Point(x, y)'
+ 'Create new instance of Point(x, y)'
return _tuple.__new__(_cls, (x, y))
<BLANKLINE>
@classmethod
return result
<BLANKLINE>
def __getnewargs__(self):
- 'Return self as a plain tuple. Used by copy and pickle.'
+ 'Return self as a plain tuple. Used by copy and pickle.'
return tuple(self)
<BLANKLINE>
__dict__ = _property(_asdict)
<BLANKLINE>
y = _property(_itemgetter(1), doc='Alias for field number 1')
<BLANKLINE>
+ <BLANKLINE>
>>> p = Point(11, y=22) # instantiate with positional or keyword arguments
>>> p[0] + p[1] # indexable like the plain tuple (11, 22)
Point(x=33, y=22)
>>> for partnum, record in inventory.items():
- inventory[partnum] = record._replace(price=newprices[partnum], timestamp=time.now())
+ ... inventory[partnum] = record._replace(price=newprices[partnum], timestamp=time.now())
.. attribute:: somenamedtuple._fields
a fixed-width print format:
>>> class Point(namedtuple('Point', 'x y')):
- __slots__ = ()
- @property
- def hypot(self):
- return (self.x ** 2 + self.y ** 2) ** 0.5
- def __str__(self):
- return 'Point: x=%6.3f y=%6.3f hypot=%6.3f' % (self.x, self.y, self.hypot)
-
+ ... __slots__ = ()
+ ... @property
+ ... def hypot(self):
+ ... return (self.x ** 2 + self.y ** 2) ** 0.5
+ ... def __str__(self):
+ ... return 'Point: x=%6.3f y=%6.3f hypot=%6.3f' % (self.x, self.y, self.hypot)
+ ...
>>> for p in Point(3, 4), Point(14, 5/7.):
- print p
+ ... print p
Point: x= 3.000 y= 4.000 hypot= 5.000
Point: x=14.000 y= 0.714 hypot=14.018
>>> Status.open, Status.pending, Status.closed
(0, 1, 2)
>>> class Status:
- open, pending, closed = range(3)
+ ... open, pending, closed = range(3)
.. seealso::