.. note::
This format does not accept bytes-like objects. If you want to accept
filesystem paths and convert them to C character strings, it is
- preferrable to use the ``O&`` format with :cfunc:`PyUnicode_FSConverter`
+ preferable to use the ``O&`` format with :cfunc:`PyUnicode_FSConverter`
as *converter*.
``s*`` (:class:`str`, :class:`bytes`, :class:`bytearray` or buffer compatible object) [Py_buffer]
:cdata:`Py_FileSystemEncoding` should be used as the encoding, and
``"surrogateescape"`` should be used as the error handler (:pep:`383`). To
encode file names during argument parsing, the ``"O&"`` converter should be
-used, passsing :cfunc:`PyUnicode_FSConverter` as the conversion function:
+used, passing :cfunc:`PyUnicode_FSConverter` as the conversion function:
.. cfunction:: int PyUnicode_FSConverter(PyObject* obj, void* result)
To decode file names during argument parsing, the ``"O&"`` converter should be
-used, passsing :cfunc:`PyUnicode_FSDecoder` as the conversion function:
+used, passing :cfunc:`PyUnicode_FSDecoder` as the conversion function:
.. cfunction:: int PyUnicode_FSDecoder(PyObject* obj, void* result)
To cross-compile, you must download the Python source code and cross-compile
Python itself for the platform you are targetting - it is not possible from a
-binary installtion of Python (as the .lib etc file for other platforms are
+binary installation of Python (as the .lib etc file for other platforms are
not included.) In practice, this means the user of a 32 bit operating
system will need to use Visual Studio 2008 to open the
:file:`PCBuild/PCbuild.sln` solution in the Python source tree and build the
where the operator is one of ``Py_EQ``, ``Py_NE``, ``Py_LE``, ``Py_GT``,
``Py_LT`` or ``Py_GT``. It should compare the two objects with respect to the
specified operator and return ``Py_True`` or ``Py_False`` if the comparison is
-successfull, ``Py_NotImplemented`` to indicate that comparison is not
+successful, ``Py_NotImplemented`` to indicate that comparison is not
implemented and the other object's comparison method should be tried, or *NULL*
if an exception was set.
If you're used to reading and writing code that uses one style, you will feel at
least slightly uneasy when reading (or being required to write) another style.
-Many coding styles place begin/end brackets on a line by themself. This makes
+Many coding styles place begin/end brackets on a line by themselves. This makes
programs considerably longer and wastes valuable screen space, making it harder
to get a good overview of a program. Ideally, a function should fit on one
screen (say, 20-30 lines). 20 lines of Python can do a lot more work than 20
-------------------------------------------------------------------------------------
Starting with Python 2.2, you can use ``S.rstrip("\r\n")`` to remove all
-occurences of any line terminator from the end of the string ``S`` without
+occurrences of any line terminator from the end of the string ``S`` without
removing other trailing whitespace. If the string ``S`` represents more than
one line, with several empty lines at the end, the line terminators for all the
blank lines will be removed::
2to3
A tool that tries to convert Python 2.x code to Python 3.x code by
- handling most of the incompatibilites which can be detected by parsing the
+ handling most of the incompatibilities which can be detected by parsing the
source and traversing the parse tree.
2to3 is available in the standard library as :mod:`lib2to3`; a standalone
<bound method D.f of <__main__.D object at 0x00B18C90>>
The output suggests that bound and unbound methods are two different types.
-While they could have been implemented that way, the actual C implemention of
+While they could have been implemented that way, the actual C implementation of
:ctype:`PyMethod_Type` in
`Objects/classobject.c <http://svn.python.org/view/python/trunk/Objects/classobject.c?view=markup>`_
is a single object with two different representations depending on whether the
Non-blocking Sockets
====================
-If you've understood the preceeding, you already know most of what you need to
+If you've understood the preceding, you already know most of what you need to
know about the mechanics of using sockets. You'll still use the same calls, in
much the same ways. It's just that, if you do it right, your app will be almost
inside-out.
Since some print statements can be parsed as function calls or statements, 2to3
cannot always read files containing the print function. When 2to3 detects the
presence of the ``from __future__ import print_function`` compiler directive, it
-modifies its internal grammar to interpert :func:`print` as a function. This
+modifies its internal grammar to interpret :func:`print` as a function. This
change can also be enabled manually with the :option:`-p` flag. Use
:option:`-p` to run fixers on code that already has had its print statements
converted.
.. data:: TIMEOUT_MAX
The maximum value allowed for the *timeout* parameter of
- :meth:`Lock.acquire`. Specifiying a timeout greater than this value will
+ :meth:`Lock.acquire`. Specifying a timeout greater than this value will
raise an :exc:`OverflowError`.
.. versionadded:: 3.2
Unlike the :func:`sorted` function, it does not make sense for the :func:`bisect`
functions to have *key* or *reversed* arguments because that would lead to an
-inefficent design (successive calls to bisect functions would not "remember"
+inefficient design (successive calls to bisect functions would not "remember"
all of the previous key lookups).
Instead, it is better to search a list of precomputed keys to find the index
Future Objects
--------------
-The :class:`Future` class encapulates the asynchronous execution of a callable.
+The :class:`Future` class encapsulates the asynchronous execution of a callable.
:class:`Future` instances are created by :meth:`Executor.submit`.
.. class:: Future
- Encapulates the asynchronous execution of a callable. :class:`Future`
+ Encapsulates the asynchronous execution of a callable. :class:`Future`
instances are created by :meth:`Executor.submit` and should not be created
directly except for testing.
followed by key/value entries separated by a specific string (``=`` or ``:`` by
default). By default, section names are case sensitive but keys are not. Leading
und trailing whitespace is removed from keys and from values. Values can be
-ommitted, in which case the key/value delimiter may also be left out. Values
+omitted, in which case the key/value delimiter may also be left out. Values
can also span multiple lines, as long as they are indented deeper than the first
line of the value. Depending on the parser's mode, blank lines may be treated
as parts of multiline values or ignored.
* ``version``
* ``httponly``
- The attribute :attr:`httponly` specifies that the cookie is only transfered
+ The attribute :attr:`httponly` specifies that the cookie is only transferred
in HTTP requests, and is not accessible through JavaScript. This is intended
to mitigate some forms of cross-site scripting.
.. deprecated:: 3.2
This class has been deprecated in favor of :class:`SourceLoader` and is
slated for removal in Python 3.4. See below for how to create a
- subclass that is compatbile with Python 3.1 onwards.
+ subclass that is compatible with Python 3.1 onwards.
If compatibility with Python 3.1 is required, then use the following idiom
to implement a subclass that will work with Python 3.1 onwards (make sure
.. attribute:: exc_info
Exception tuple (à la `sys.exc_info`) or `None` if no exception
- information is availble.
+ information is available.
.. attribute:: func
Otherwise a daemonic process would leave its children orphaned if it gets
terminated when its parent process exits. Additionally, these are **not**
Unix daemons or services, they are normal processes that will be
- terminated (and not joined) if non-dameonic processes have exited.
+ terminated (and not joined) if non-daemonic processes have exited.
In addition to the :class:`Threading.Thread` API, :class:`Process` objects
also support the following attributes and methods:
Set the current process's real, effective, and saved user ids.
- Availibility: Unix.
+ Availability: Unix.
.. versionadded:: 3.2
that meets this interface.
Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
- which are used to control compatiblity support for pickle stream generated
+ which are used to control compatibility support for pickle stream generated
by Python 2.x. If *fix_imports* is True, pickle will try to map the old
Python 2.x names to the new names used in Python 3.x. The *encoding* and
*errors* tell pickle how to decode 8-bit string instances pickled by Python
ignored.
Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
- which are used to control compatiblity support for pickle stream generated
+ which are used to control compatibility support for pickle stream generated
by Python 2.x. If *fix_imports* is True, pickle will try to map the old
Python 2.x names to the new names used in Python 3.x. The *encoding* and
*errors* tell pickle how to decode 8-bit string instances pickled by Python
that meets this interface.
Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
- which are used to control compatiblity support for pickle stream generated
+ which are used to control compatibility support for pickle stream generated
by Python 2.x. If *fix_imports* is True, pickle will try to map the old
Python 2.x names to the new names used in Python 3.x. The *encoding* and
*errors* tell pickle how to decode 8-bit string instances pickled by Python
.. index:: single: __getnewargs__() (copy protocol)
-Classes can alter the default behaviour by providing one or severals special
+Classes can alter the default behaviour by providing one or several special
methods. In protocol 2 and newer, classes that implements the
:meth:`__getnewargs__` method can dictate the values passed to the
:meth:`__new__` method upon unpickling. This is often needed for classes
integers, you can also invoke the class constructor with a second argument
specifying the real duration of one unit of time. For example, if
:func:`your_integer_time_func` returns times measured in thousands of seconds,
- you would constuct the :class:`Profile` instance as follows::
+ you would construct the :class:`Profile` instance as follows::
pr = profile.Profile(your_integer_time_func, 0.001)
the ``libedit`` library instead of GNU readline.
The configuration file for ``libedit`` is different from that
- of GNU readline. If you programmaticly load configuration strings
+ of GNU readline. If you programmatically load configuration strings
you can check for the text "libedit" in :const:`readline.__doc__`
to differentiate between GNU readline and libedit.
If a regular expression ends with a greedy match (such as ``.*``) or if more
than one expression can match the same input, the results are
- indeterministic, and may depend on the I/O timing.
+ non-deterministic, and may depend on the I/O timing.
.. method:: Telnet.set_option_negotiation_callback(callback)
The maximum value allowed for the *timeout* parameter of blocking functions
(:meth:`Lock.acquire`, :meth:`RLock.acquire`, :meth:`Condition.wait`, etc.).
- Specifiying a timeout greater than this value will raise an
+ Specifying a timeout greater than this value will raise an
:exc:`OverflowError`.
.. versionadded:: 3.2
The `ComboBox
<http://tix.sourceforge.net/dist/current/man/html/TixCmd/tixComboBox.htm>`_
widget is similar to the combo box control in MS Windows. The user can select a
- choice by either typing in the entry subwdget or selecting from the listbox
+ choice by either typing in the entry subwidget or selecting from the listbox
subwidget.
.. Python Demo of:
.. function:: setup(width=_CFG["width"], height=_CFG["height"], startx=_CFG["leftright"], starty=_CFG["topbottom"])
Set the size and position of the main window. Default values of arguments
- are stored in the configuration dicionary and can be changed via a
+ are stored in the configuration dictionary and can be changed via a
:file:`turtle.cfg` file.
:param width: if an integer, a size in pixels, if a float, a fraction of the
.. decorator:: skipUnless(condition, reason)
- Skip the decoratored test unless *condition* is true.
+ Skip the decorated test unless *condition* is true.
.. decorator:: expectedFailure
.. attribute:: expectedFailures
- A list contaning 2-tuples of :class:`TestCase` instances and strings
- holding formatted tracebacks. Each tuple represents a expected failures
+ A list containing 2-tuples of :class:`TestCase` instances and strings
+ holding formatted tracebacks. Each tuple represents an expected failure
of the test case.
.. attribute:: unexpectedSuccesses
:rfc:`3986` - Uniform Resource Identifiers
This is the current standard (STD66). Any changes to urlparse module
should conform to this. Certain deviations could be observed, which are
- mostly due backward compatiblity purposes and for certain de-facto
+ mostly for backward compatibility purposes and for certain de-facto
parsing requirements as commonly observed in major browsers.
:rfc:`2732` - Format for Literal IPv6 Addresses in URL's.
64-bit Specific
***************
-For more information, see `Accesing an Alternate Registry View
+For more information, see `Accessing an Alternate Registry View
<http://msdn.microsoft.com/en-us/library/aa384129(v=VS.85).aspx>`__.
.. data:: KEY_WOW64_64KEY
multiple times, they have more than one entry point and their execution can be
suspended. The only difference is that a generator function cannot control
where should the execution continue after it yields; the control is always
-transfered to the generator's caller.
+transferred to the generator's caller.
The :keyword:`yield` statement is allowed in the :keyword:`try` clause of a
:keyword:`try` ... :keyword:`finally` construct. If the generator is not
* :class:`functools.partial` objects can now be pickled.
(Suggested by Antoine Pitrou and Jesse Noller. Implemented by
- Jack Diedrich; :issue:`5228`.)
+ Jack Diederich; :issue:`5228`.)
* Add :mod:`pydoc` help topics for symbols so that ``help('@')``
works as expected in the interactive environment.
projects / python / commitdiff