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Merged revisions 75365,75394,75402-75403,75418,75459,75484,75592-75596,75600,75602-75607,75610-75613,75616-75617,75623,75627,75640,75647,75696,75795 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r75365 | georg.brandl | 2009-10-11 22:16:16 +0200 (So, 11 Okt 2009) | 1 line Fix broken links found by "make linkcheck". scipy.org seems to be done right now, so I could not verify links going there. ........ r75394 | georg.brandl | 2009-10-13 20:10:59 +0200 (Di, 13 Okt 2009) | 1 line Fix markup. ........ r75402 | georg.brandl | 2009-10-14 17:51:48 +0200 (Mi, 14 Okt 2009) | 1 line #7125: fix typo. ........ r75403 | georg.brandl | 2009-10-14 17:57:46 +0200 (Mi, 14 Okt 2009) | 1 line #7126: os.environ changes *do* take effect in subprocesses started with os.system(). ........ r75418 | georg.brandl | 2009-10-14 20:48:32 +0200 (Mi, 14 Okt 2009) | 1 line #7116: str.join() takes an iterable. ........ r75459 | georg.brandl | 2009-10-17 10:57:43 +0200 (Sa, 17 Okt 2009) | 1 line Fix refleaks in _ctypes PyCSimpleType_New, which fixes the refleak seen in test___all__. ........ r75484 | georg.brandl | 2009-10-18 09:58:12 +0200 (So, 18 Okt 2009) | 1 line Fix missing word. ........ r75592 | georg.brandl | 2009-10-22 09:05:48 +0200 (Do, 22 Okt 2009) | 1 line Fix punctuation. ........ r75593 | georg.brandl | 2009-10-22 09:06:49 +0200 (Do, 22 Okt 2009) | 1 line Revert unintended change. ........ r75594 | georg.brandl | 2009-10-22 09:56:02 +0200 (Do, 22 Okt 2009) | 1 line Fix markup. ........ r75595 | georg.brandl | 2009-10-22 09:56:56 +0200 (Do, 22 Okt 2009) | 1 line Fix duplicate target. ........ r75596 | georg.brandl | 2009-10-22 10:05:04 +0200 (Do, 22 Okt 2009) | 1 line Add a new directive marking up implementation details and start using it. ........ r75600 | georg.brandl | 2009-10-22 13:01:46 +0200 (Do, 22 Okt 2009) | 1 line Make it more robust. ........ r75602 | georg.brandl | 2009-10-22 13:28:06 +0200 (Do, 22 Okt 2009) | 1 line Document new directive. ........ r75603 | georg.brandl | 2009-10-22 13:28:23 +0200 (Do, 22 Okt 2009) | 1 line Allow short form with text as argument. ........ r75604 | georg.brandl | 2009-10-22 13:36:50 +0200 (Do, 22 Okt 2009) | 1 line Fix stylesheet for multi-paragraph impl-details. ........ r75605 | georg.brandl | 2009-10-22 13:48:10 +0200 (Do, 22 Okt 2009) | 1 line Use "impl-detail" directive where applicable. ........ r75606 | georg.brandl | 2009-10-22 17:00:06 +0200 (Do, 22 Okt 2009) | 1 line #6324: membership test tries iteration via __iter__. ........ r75607 | georg.brandl | 2009-10-22 17:04:09 +0200 (Do, 22 Okt 2009) | 1 line #7088: document new functions in signal as Unix-only. ........ r75610 | georg.brandl | 2009-10-22 17:27:24 +0200 (Do, 22 Okt 2009) | 1 line Reorder __slots__ fine print and add a clarification. ........ r75611 | georg.brandl | 2009-10-22 17:42:32 +0200 (Do, 22 Okt 2009) | 1 line #7035: improve docs of the various <method>_errors() functions, and give them docstrings. ........ r75612 | georg.brandl | 2009-10-22 17:52:15 +0200 (Do, 22 Okt 2009) | 1 line #7156: document curses as Unix-only. ........ r75613 | georg.brandl | 2009-10-22 17:54:35 +0200 (Do, 22 Okt 2009) | 1 line #6977: getopt does not support optional option arguments. ........ r75616 | georg.brandl | 2009-10-22 18:17:05 +0200 (Do, 22 Okt 2009) | 1 line Add proper references. ........ r75617 | georg.brandl | 2009-10-22 18:20:55 +0200 (Do, 22 Okt 2009) | 1 line Make printout margin important. ........ r75623 | georg.brandl | 2009-10-23 10:14:44 +0200 (Fr, 23 Okt 2009) | 1 line #7188: fix optionxform() docs. ........ r75627 | fred.drake | 2009-10-23 15:04:51 +0200 (Fr, 23 Okt 2009) | 2 lines add further note about what's passed to optionxform ........ r75640 | neil.schemenauer | 2009-10-23 21:58:17 +0200 (Fr, 23 Okt 2009) | 2 lines Improve some docstrings in the 'warnings' module. ........ r75647 | georg.brandl | 2009-10-24 12:04:19 +0200 (Sa, 24 Okt 2009) | 1 line Fix markup. ........ r75696 | georg.brandl | 2009-10-25 21:25:43 +0100 (So, 25 Okt 2009) | 1 line Fix a demo. ........ r75795 | georg.brandl | 2009-10-27 16:10:22 +0100 (Di, 27 Okt 2009) | 1 line Fix a strange mis-edit. ........
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50 changed files with 370 additions and 233 deletions
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@ -53,7 +53,7 @@ It defines the following functions:
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*incrementalencoder* and *incrementaldecoder*: These have to be factory
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functions providing the following interface:
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``factory(errors='strict')``
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``factory(errors='strict')``
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The factory functions must return objects providing the interfaces defined by
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the base classes :class:`IncrementalEncoder` and :class:`IncrementalDecoder`,
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@ -62,21 +62,25 @@ It defines the following functions:
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*streamreader* and *streamwriter*: These have to be factory functions providing
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the following interface:
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``factory(stream, errors='strict')``
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``factory(stream, errors='strict')``
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The factory functions must return objects providing the interfaces defined by
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the base classes :class:`StreamWriter` and :class:`StreamReader`, respectively.
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Stream codecs can maintain state.
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Possible values for errors are ``'strict'`` (raise an exception in case of an
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encoding error), ``'replace'`` (replace malformed data with a suitable
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replacement marker, such as ``'?'``), ``'ignore'`` (ignore malformed data and
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continue without further notice), ``'xmlcharrefreplace'`` (replace with the
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appropriate XML character reference (for encoding only)),
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``'backslashreplace'`` (replace with backslashed escape sequences (for
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encoding only)), ``'surrogateescape'`` (replace with surrogate U+DCxx, see
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:pep:`383`) as well as any other error handling name defined via
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:func:`register_error`.
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Possible values for errors are
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* ``'strict'``: raise an exception in case of an encoding error
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* ``'replace'``: replace malformed data with a suitable replacement marker,
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such as ``'?'`` or ``'\ufffd'``
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* ``'ignore'``: ignore malformed data and continue without further notice
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* ``'xmlcharrefreplace'``: replace with the appropriate XML character
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reference (for encoding only)
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* ``'backslashreplace'``: replace with backslashed escape sequences (for
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encoding only
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* ``'surrogateescape'``: replace with surrogate U+DCxx, see :pep:`383`
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as well as any other error handling name defined via :func:`register_error`.
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In case a search function cannot find a given encoding, it should return
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``None``.
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@ -173,27 +177,33 @@ functions which use :func:`lookup` for the codec lookup:
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.. function:: strict_errors(exception)
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Implements the ``strict`` error handling.
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Implements the ``strict`` error handling: each encoding or decoding error
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raises a :exc:`UnicodeError`.
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.. function:: replace_errors(exception)
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Implements the ``replace`` error handling.
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Implements the ``replace`` error handling: malformed data is replaced with a
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suitable replacement character such as ``'?'`` in bytestrings and
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``'\ufffd'`` in Unicode strings.
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.. function:: ignore_errors(exception)
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Implements the ``ignore`` error handling.
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Implements the ``ignore`` error handling: malformed data is ignored and
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encoding or decoding is continued without further notice.
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.. function:: xmlcharrefreplace_errors(exception)
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Implements the ``xmlcharrefreplace`` error handling.
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Implements the ``xmlcharrefreplace`` error handling (for encoding only): the
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unencodable character is replaced by an appropriate XML character reference.
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.. function:: backslashreplace_errors(exception)
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Implements the ``backslashreplace`` error handling.
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Implements the ``backslashreplace`` error handling (for encoding only): the
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unencodable character is replaced by a backslashed escape sequence.
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To simplify working with encoded files or stream, the module also defines these
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utility functions:
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@ -301,12 +301,23 @@ RawConfigParser Objects
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.. method:: RawConfigParser.optionxform(option)
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Transforms the option name *option* as found in an input file or as passed in by
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client code to the form that should be used in the internal structures. The
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default implementation returns a lower-case version of *option*; subclasses may
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override this or client code can set an attribute of this name on instances to
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affect this behavior. Setting this to :func:`str`, for example, would make
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option names case sensitive.
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Transforms the option name *option* as found in an input file or as passed in
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by client code to the form that should be used in the internal structures.
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The default implementation returns a lower-case version of *option*;
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subclasses may override this or client code can set an attribute of this name
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on instances to affect this behavior.
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You don't necessarily need to subclass a ConfigParser to use this method, you
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can also re-set it on an instance, to a function that takes a string
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argument. Setting it to ``str``, for example, would make option names case
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sensitive::
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cfgparser = ConfigParser()
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...
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cfgparser.optionxform = str
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Note that when reading configuration files, whitespace around the
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option names are stripped before :meth:`optionxform` is called.
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.. _configparser-objects:
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@ -4,10 +4,10 @@
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.. module:: curses
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:synopsis: An interface to the curses library, providing portable
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terminal handling.
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:platform: Unix
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.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
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.. sectionauthor:: Eric Raymond <esr@thyrsus.com>
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The :mod:`curses` module provides an interface to the curses library, the
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de-facto standard for portable advanced terminal handling.
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@ -233,7 +233,7 @@ Supported operations:
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| | (-*t1.days*, -*t1.seconds*, |
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| | -*t1.microseconds*), and to *t1*\* -1. (1)(4) |
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+--------------------------------+-----------------------------------------------+
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| ``abs(t)`` | equivalent to +*t* when ``t.days >= 0``, and |
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| ``abs(t)`` | equivalent to +\ *t* when ``t.days >= 0``, and|
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| | to -*t* when ``t.days < 0``. (2) |
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+--------------------------------+-----------------------------------------------+
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@ -499,8 +499,10 @@ are always available. They are listed here in alphabetical order.
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Return the "identity" of an object. This is an integer which
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is guaranteed to be unique and constant for this object during its lifetime.
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Two objects with non-overlapping lifetimes may have the same :func:`id` value.
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(Implementation note: this is the address of the object.)
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Two objects with non-overlapping lifetimes may have the same :func:`id`
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value.
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.. impl-detail:: This is the address of the object.
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.. function:: input([prompt])
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@ -36,12 +36,13 @@ exception:
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*longopts*, if specified, must be a list of strings with the names of the
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long options which should be supported. The leading ``'--'`` characters
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should not be included in the option name. Long options which require an
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argument should be followed by an equal sign (``'='``). To accept only long
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options, *shortopts* should be an empty string. Long options on the command line
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can be recognized so long as they provide a prefix of the option name that
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matches exactly one of the accepted options. For example, if *longopts* is
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``['foo', 'frob']``, the option :option:`--fo` will match as :option:`--foo`,
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but :option:`--f` will not match uniquely, so :exc:`GetoptError` will be raised.
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argument should be followed by an equal sign (``'='``). Optional arguments
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are not supported. To accept only long options, *shortopts* should be an
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empty string. Long options on the command line can be recognized so long as
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they provide a prefix of the option name that matches exactly one of the
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accepted options. For example, if *longopts* is ``['foo', 'frob']``, the
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option :option:`--fo` will match as :option:`--foo`, but :option:`--f` will
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not match uniquely, so :exc:`GetoptError` will be raised.
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The return value consists of two elements: the first is a list of ``(option,
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value)`` pairs; the second is the list of program arguments left after the
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@ -290,18 +290,22 @@ attributes:
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Return true if the object is a getset descriptor.
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getsets are attributes defined in extension modules via ``PyGetSetDef``
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structures. For Python implementations without such types, this method will
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always return ``False``.
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.. impl-detail::
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getsets are attributes defined in extension modules via
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:ctype:`PyGetSetDef` structures. For Python implementations without such
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types, this method will always return ``False``.
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.. function:: ismemberdescriptor(object)
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Return true if the object is a member descriptor.
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Member descriptors are attributes defined in extension modules via
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``PyMemberDef`` structures. For Python implementations without such types,
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this method will always return ``False``.
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.. impl-detail::
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Member descriptors are attributes defined in extension modules via
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:ctype:`PyMemberDef` structures. For Python implementations without such
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types, this method will always return ``False``.
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.. _inspect-source:
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@ -508,10 +512,12 @@ line.
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Return the frame object for the caller's stack frame.
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This function relies on Python stack frame support in the interpreter, which
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isn't guaranteed to exist in all implementations of Python. If running in
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an implementation without Python stack frame support this function returns
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``None``.
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.. impl-detail::
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This function relies on Python stack frame support in the interpreter,
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which isn't guaranteed to exist in all implementations of Python. If
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running in an implementation without Python stack frame support this
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function returns ``None``.
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.. function:: stack(context=1)
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@ -595,7 +595,7 @@ Maildir, mbox, MH, Babyl, and MMDF.
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`nmh - Message Handling System <http://www.nongnu.org/nmh/>`_
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Home page of :program:`nmh`, an updated version of the original :program:`mh`.
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`MH & nmh: Email for Users & Programmers <http://www.ics.uci.edu/~mh/book/>`_
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`MH & nmh: Email for Users & Programmers <http://rand-mh.sourceforge.net/book/>`_
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A GPL-licensed book on :program:`mh` and :program:`nmh`, with some information
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on the mailbox format.
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@ -301,7 +301,7 @@ Constants
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The mathematical constant *e*.
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.. note::
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.. impl-detail::
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The :mod:`math` module consists mostly of thin wrappers around the platform C
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math library functions. Behavior in exceptional cases is loosely specified
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@ -394,10 +394,10 @@ Directory Objects
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.. seealso::
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`Directory Table <http://msdn.microsoft.com/library/en-us/msi/setup/directory_table.asp>`_
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`File Table <http://msdn.microsoft.com/library/en-us/msi/setup/file_table.asp>`_
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`Component Table <http://msdn.microsoft.com/library/en-us/msi/setup/component_table.asp>`_
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`FeatureComponents Table <http://msdn.microsoft.com/library/en-us/msi/setup/featurecomponents_table.asp>`_
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`Directory Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/directory_table.asp>`_
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`File Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/file_table.asp>`_
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`Component Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/component_table.asp>`_
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`FeatureComponents Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/featurecomponents_table.asp>`_
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.. _features:
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@ -422,7 +422,7 @@ Features
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.. seealso::
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`Feature Table <http://msdn.microsoft.com/library/en-us/msi/setup/feature_table.asp>`_
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`Feature Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/feature_table.asp>`_
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.. _msi-gui:
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@ -516,13 +516,13 @@ to create MSI files with a user-interface for installing Python packages.
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.. seealso::
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`Dialog Table <http://msdn.microsoft.com/library/en-us/msi/setup/dialog_table.asp>`_
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`Control Table <http://msdn.microsoft.com/library/en-us/msi/setup/control_table.asp>`_
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`Control Types <http://msdn.microsoft.com/library/en-us/msi/setup/controls.asp>`_
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`ControlCondition Table <http://msdn.microsoft.com/library/en-us/msi/setup/controlcondition_table.asp>`_
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`ControlEvent Table <http://msdn.microsoft.com/library/en-us/msi/setup/controlevent_table.asp>`_
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`EventMapping Table <http://msdn.microsoft.com/library/en-us/msi/setup/eventmapping_table.asp>`_
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`RadioButton Table <http://msdn.microsoft.com/library/en-us/msi/setup/radiobutton_table.asp>`_
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`Dialog Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/dialog_table.asp>`_
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`Control Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/control_table.asp>`_
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`Control Types <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/controls.asp>`_
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`ControlCondition Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/controlcondition_table.asp>`_
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`ControlEvent Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/controlevent_table.asp>`_
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`EventMapping Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/eventmapping_table.asp>`_
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`RadioButton Table <http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/radiobutton_table.asp>`_
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.. _msi-tables:
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@ -551,5 +551,3 @@ definitions. Currently, these definitions are based on MSI version 2.0.
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This module contains definitions for the UIText and ActionText tables, for the
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standard installer actions.
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@ -1576,9 +1576,9 @@ written in Python, such as a mail server's external command delivery program.
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.. function:: system(command)
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Execute the command (a string) in a subshell. This is implemented by calling
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the Standard C function :cfunc:`system`, and has the same limitations. Changes
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to :data:`os.environ`, :data:`sys.stdin`, etc. are not reflected in the
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environment of the executed command.
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the Standard C function :cfunc:`system`, and has the same limitations.
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Changes to :data:`sys.stdin`, etc. are not reflected in the environment of the
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executed command.
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On Unix, the return value is the exit status of the process encoded in the
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format specified for :func:`wait`. Note that POSIX does not specify the meaning
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@ -43,7 +43,7 @@ also available for Python:
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`PythonCAD <http://www.pythoncad.org/>`_. An online `tutorial
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<http://www.pygtk.org/pygtk2tutorial/index.html>`_ is available.
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`PyQt <http://www.riverbankcomputing.co.uk/pyqt/index.php>`_
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`PyQt <http://www.riverbankcomputing.co.uk/software/pyqt/>`_
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PyQt is a :program:`sip`\ -wrapped binding to the Qt toolkit. Qt is an
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extensive C++ GUI application development framework that is
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available for Unix, Windows and Mac OS X. :program:`sip` is a tool
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|
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@ -94,7 +94,7 @@ Cross Platform
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.. function:: python_implementation()
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Returns a string identifying the Python implementation. Possible return values
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are: 'CPython', 'IronPython', 'Jython'
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are: 'CPython', 'IronPython', 'Jython'.
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||||
.. function:: python_revision()
|
||||
|
|
|
|||
|
|
@ -157,13 +157,14 @@ The :mod:`signal` module defines the following functions:
|
|||
|
||||
The old values are returned as a tuple: (delay, interval).
|
||||
|
||||
Attempting to pass an invalid interval timer will cause a
|
||||
:exc:`ItimerError`.
|
||||
Attempting to pass an invalid interval timer will cause an
|
||||
:exc:`ItimerError`. Availability: Unix.
|
||||
|
||||
|
||||
.. function:: getitimer(which)
|
||||
|
||||
Returns current value of a given interval timer specified by *which*.
|
||||
Availability: Unix.
|
||||
|
||||
|
||||
.. function:: set_wakeup_fd(fd)
|
||||
|
|
@ -184,7 +185,7 @@ The :mod:`signal` module defines the following functions:
|
|||
|
||||
Change system call restart behaviour: if *flag* is :const:`False`, system
|
||||
calls will be restarted when interrupted by signal *signalnum*, otherwise
|
||||
system calls will be interrupted. Returns nothing. Availability: Unix (see
|
||||
system calls will be interrupted. Returns nothing. Availability: Unix (see
|
||||
the man page :manpage:`siginterrupt(3)` for further information).
|
||||
|
||||
Note that installing a signal handler with :func:`signal` will reset the
|
||||
|
|
|
|||
|
|
@ -772,13 +772,15 @@ Notes:
|
|||
If *k* is ``None``, it is treated like ``1``.
|
||||
|
||||
(6)
|
||||
If *s* and *t* are both strings, some Python implementations such as CPython can
|
||||
usually perform an in-place optimization for assignments of the form ``s=s+t``
|
||||
or ``s+=t``. When applicable, this optimization makes quadratic run-time much
|
||||
less likely. This optimization is both version and implementation dependent.
|
||||
For performance sensitive code, it is preferable to use the :meth:`str.join`
|
||||
method which assures consistent linear concatenation performance across versions
|
||||
and implementations.
|
||||
.. impl-detail::
|
||||
|
||||
If *s* and *t* are both strings, some Python implementations such as
|
||||
CPython can usually perform an in-place optimization for assignments of
|
||||
the form ``s = s + t`` or ``s += t``. When applicable, this optimization
|
||||
makes quadratic run-time much less likely. This optimization is both
|
||||
version and implementation dependent. For performance sensitive code, it
|
||||
is preferable to use the :meth:`str.join` method which assures consistent
|
||||
linear concatenation performance across versions and implementations.
|
||||
|
||||
|
||||
.. _string-methods:
|
||||
|
|
@ -951,12 +953,12 @@ functions based on regular expressions.
|
|||
least one cased character, false otherwise.
|
||||
|
||||
|
||||
.. method:: str.join(seq)
|
||||
.. method:: str.join(iterable)
|
||||
|
||||
Return a string which is the concatenation of the strings in the sequence
|
||||
*seq*. A :exc:`TypeError` will be raised if there are any non-string values
|
||||
in *seq*, including :class:`bytes` objects. The separator between elements
|
||||
is the string providing this method.
|
||||
Return a string which is the concatenation of the strings in the
|
||||
:term:`iterable` *iterable*. A :exc:`TypeError` will be raised if there are
|
||||
any non-string values in *seq*, including :class:`bytes` objects. The
|
||||
separator between elements is the string providing this method.
|
||||
|
||||
|
||||
.. method:: str.ljust(width[, fillchar])
|
||||
|
|
@ -1510,14 +1512,17 @@ Notes:
|
|||
that compare equal --- this is helpful for sorting in multiple passes (for
|
||||
example, sort by department, then by salary grade).
|
||||
|
||||
While a list is being sorted, the effect of attempting to mutate, or even
|
||||
inspect, the list is undefined. The C implementation
|
||||
makes the list appear empty for the duration, and raises :exc:`ValueError` if it
|
||||
can detect that the list has been mutated during a sort.
|
||||
.. impl-detail::
|
||||
|
||||
While a list is being sorted, the effect of attempting to mutate, or even
|
||||
inspect, the list is undefined. The C implementation of Python makes the
|
||||
list appear empty for the duration, and raises :exc:`ValueError` if it can
|
||||
detect that the list has been mutated during a sort.
|
||||
|
||||
(8)
|
||||
:meth:`sort` is not supported by :class:`bytearray` objects.
|
||||
|
||||
|
||||
.. _bytes-methods:
|
||||
|
||||
Bytes and Byte Array Methods
|
||||
|
|
|
|||
|
|
@ -352,8 +352,10 @@ always available.
|
|||
that is deeper than the call stack, :exc:`ValueError` is raised. The default
|
||||
for *depth* is zero, returning the frame at the top of the call stack.
|
||||
|
||||
This function should be used for internal and specialized purposes only. It
|
||||
is not guaranteed to exist in all implementations of Python.
|
||||
.. impl-detail::
|
||||
|
||||
This function should be used for internal and specialized purposes only.
|
||||
It is not guaranteed to exist in all implementations of Python.
|
||||
|
||||
|
||||
.. function:: getprofile()
|
||||
|
|
@ -373,12 +375,12 @@ always available.
|
|||
|
||||
Get the trace function as set by :func:`settrace`.
|
||||
|
||||
.. note::
|
||||
.. impl-detail::
|
||||
|
||||
The :func:`gettrace` function is intended only for implementing debuggers,
|
||||
profilers, coverage tools and the like. Its behavior is part of the
|
||||
implementation platform, rather than part of the language definition,
|
||||
and thus may not be available in all Python implementations.
|
||||
profilers, coverage tools and the like. Its behavior is part of the
|
||||
implementation platform, rather than part of the language definition, and
|
||||
thus may not be available in all Python implementations.
|
||||
|
||||
|
||||
.. function:: getwindowsversion()
|
||||
|
|
@ -750,12 +752,12 @@ always available.
|
|||
|
||||
For more information on code and frame objects, refer to :ref:`types`.
|
||||
|
||||
.. note::
|
||||
.. impl-detail::
|
||||
|
||||
The :func:`settrace` function is intended only for implementing debuggers,
|
||||
profilers, coverage tools and the like. Its behavior is part of the
|
||||
implementation platform, rather than part of the language definition, and thus
|
||||
may not be available in all Python implementations.
|
||||
profilers, coverage tools and the like. Its behavior is part of the
|
||||
implementation platform, rather than part of the language definition, and
|
||||
thus may not be available in all Python implementations.
|
||||
|
||||
|
||||
.. function:: settscdump(on_flag)
|
||||
|
|
|
|||
|
|
@ -77,5 +77,8 @@ The module defines the following names:
|
|||
as ``datetime.timedelta.days``. This type is used as descriptor for simple C
|
||||
data members which use standard conversion functions; it has the same purpose
|
||||
as the :class:`property` type, but for classes defined in extension modules.
|
||||
In other implementations of Python, this type may be identical to
|
||||
``GetSetDescriptorType``.
|
||||
|
||||
.. impl-detail::
|
||||
|
||||
In other implementations of Python, this type may be identical to
|
||||
``GetSetDescriptorType``.
|
||||
|
|
|
|||
|
|
@ -72,9 +72,10 @@ support weak references but can add support through subclassing::
|
|||
|
||||
obj = Dict(red=1, green=2, blue=3) # this object is weak referenceable
|
||||
|
||||
Other built-in types such as :class:`tuple` and :class:`int` do not support
|
||||
weak references even when subclassed (those types implemented as a
|
||||
:ctype:`PyVarObject`).
|
||||
.. impl-detail::
|
||||
|
||||
Other built-in types such as :class:`tuple` and :class:`long` do not support
|
||||
weak references even when subclassed.
|
||||
|
||||
Extension types can easily be made to support weak references; see
|
||||
:ref:`weakref-support`.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue