From f3d7dbe72e0cd328193b27a862ab11ee6c009781 Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Sun, 4 Oct 2009 14:54:52 +0000 Subject: Merged revisions 75231 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r75231 | benjamin.peterson | 2009-10-04 09:49:41 -0500 (Sun, 04 Oct 2009) | 166 lines Merged revisions 74779-74786,74793,74795,74811,74860-74861,74863,74876,74886,74896,74901,74903,74908,74912,74930,74933,74943,74946,74952-74955,75015,75019,75032,75068,75076,75095,75098,75102,75129,75139,75230 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r74779 | michael.foord | 2009-09-13 11:13:36 -0500 (Sun, 13 Sep 2009) | 1 line Change to tutorial wording for reading text / binary files on Windows. Issue #6301. ........ r74780 | michael.foord | 2009-09-13 11:40:02 -0500 (Sun, 13 Sep 2009) | 1 line Objects that compare equal automatically pass or fail assertAlmostEqual and assertNotAlmostEqual tests on unittest.TestCase. Issue 6567. ........ r74781 | michael.foord | 2009-09-13 11:46:19 -0500 (Sun, 13 Sep 2009) | 1 line Note that sys._getframe is not guaranteed to exist in all implementations of Python, and a corresponding note in inspect.currentframe. Issue 6712. ........ r74782 | michael.foord | 2009-09-13 12:07:46 -0500 (Sun, 13 Sep 2009) | 1 line Tutorial tweaks. Issue 6849. ........ r74783 | michael.foord | 2009-09-13 12:28:35 -0500 (Sun, 13 Sep 2009) | 1 line unittest.TestLoader.loadTestsFromName honors the loader suiteClass attribute. Issue 6866. ........ r74784 | georg.brandl | 2009-09-13 13:15:07 -0500 (Sun, 13 Sep 2009) | 1 line Typo fix. ........ r74785 | michael.foord | 2009-09-13 14:07:03 -0500 (Sun, 13 Sep 2009) | 1 line Test discovery in unittest will only attempt to import modules that are importable; i.e. their names are valid Python identifiers. If an import fails during discovery this will be recorded as an error and test discovery will continue. Issue 6568. ........ r74786 | michael.foord | 2009-09-13 14:08:18 -0500 (Sun, 13 Sep 2009) | 1 line Remove an extraneous space in unittest documentation. ........ r74793 | georg.brandl | 2009-09-14 09:50:47 -0500 (Mon, 14 Sep 2009) | 1 line #6908: fix association of hashlib hash attributes. ........ r74795 | benjamin.peterson | 2009-09-14 22:36:26 -0500 (Mon, 14 Sep 2009) | 1 line Py_SetPythonHome uses static storage #6913 ........ r74811 | georg.brandl | 2009-09-15 15:26:59 -0500 (Tue, 15 Sep 2009) | 1 line Add Armin Ronacher. ........ r74860 | benjamin.peterson | 2009-09-16 21:46:54 -0500 (Wed, 16 Sep 2009) | 1 line kill bare except ........ r74861 | benjamin.peterson | 2009-09-16 22:18:28 -0500 (Wed, 16 Sep 2009) | 1 line pep 8 defaults ........ r74863 | benjamin.peterson | 2009-09-16 22:27:33 -0500 (Wed, 16 Sep 2009) | 1 line rationalize a bit ........ r74876 | georg.brandl | 2009-09-17 11:15:53 -0500 (Thu, 17 Sep 2009) | 1 line #6932: remove paragraph that advises relying on __del__ being called. ........ r74886 | benjamin.peterson | 2009-09-17 16:33:46 -0500 (Thu, 17 Sep 2009) | 1 line use macros ........ r74896 | georg.brandl | 2009-09-18 02:22:41 -0500 (Fri, 18 Sep 2009) | 1 line #6936: for interactive use, quit() is just fine. ........ r74901 | georg.brandl | 2009-09-18 04:14:52 -0500 (Fri, 18 Sep 2009) | 1 line #6905: use better exception messages in inspect when the argument is of the wrong type. ........ r74903 | georg.brandl | 2009-09-18 04:18:27 -0500 (Fri, 18 Sep 2009) | 1 line #6938: "ident" is always a string, so use a format code which works. ........ r74908 | georg.brandl | 2009-09-18 08:57:11 -0500 (Fri, 18 Sep 2009) | 1 line Use str.format() to fix beginner's mistake with %-style string formatting. ........ r74912 | georg.brandl | 2009-09-18 11:19:56 -0500 (Fri, 18 Sep 2009) | 1 line Optimize optimization and fix method name in docstring. ........ r74930 | georg.brandl | 2009-09-18 16:21:41 -0500 (Fri, 18 Sep 2009) | 1 line #6925: rewrite docs for locals() and vars() a bit. ........ r74933 | georg.brandl | 2009-09-18 16:35:59 -0500 (Fri, 18 Sep 2009) | 1 line #6930: clarify description about byteorder handling in UTF decoder routines. ........ r74943 | georg.brandl | 2009-09-19 02:35:07 -0500 (Sat, 19 Sep 2009) | 1 line #6944: the argument to PyArg_ParseTuple should be a tuple, otherwise a SystemError is set. Also clean up another usage of PyArg_ParseTuple. ........ r74946 | georg.brandl | 2009-09-19 03:43:16 -0500 (Sat, 19 Sep 2009) | 1 line Update bug tracker reference. ........ r74952 | georg.brandl | 2009-09-19 05:42:34 -0500 (Sat, 19 Sep 2009) | 1 line #6946: fix duplicate index entries for datetime classes. ........ r74953 | georg.brandl | 2009-09-19 07:04:16 -0500 (Sat, 19 Sep 2009) | 1 line Fix references to threading.enumerate(). ........ r74954 | georg.brandl | 2009-09-19 08:13:56 -0500 (Sat, 19 Sep 2009) | 1 line Add Doug. ........ r74955 | georg.brandl | 2009-09-19 08:20:49 -0500 (Sat, 19 Sep 2009) | 1 line Add Mark Summerfield. ........ r75015 | georg.brandl | 2009-09-22 05:55:08 -0500 (Tue, 22 Sep 2009) | 1 line Fix encoding name. ........ r75019 | vinay.sajip | 2009-09-22 12:23:41 -0500 (Tue, 22 Sep 2009) | 1 line Fixed a typo, and added sections on optimization and using arbitrary objects as messages. ........ r75032 | benjamin.peterson | 2009-09-22 17:15:28 -0500 (Tue, 22 Sep 2009) | 1 line fix typos/rephrase ........ r75068 | benjamin.peterson | 2009-09-25 21:57:59 -0500 (Fri, 25 Sep 2009) | 1 line comment out ugly xxx ........ r75076 | vinay.sajip | 2009-09-26 09:53:32 -0500 (Sat, 26 Sep 2009) | 1 line Tidied up name of parameter in StreamHandler ........ r75095 | michael.foord | 2009-09-27 14:15:41 -0500 (Sun, 27 Sep 2009) | 1 line Test creation moved from TestProgram.parseArgs to TestProgram.createTests exclusively. Issue 6956. ........ r75098 | michael.foord | 2009-09-27 15:08:23 -0500 (Sun, 27 Sep 2009) | 1 line Documentation improvement for load_tests protocol in unittest. Issue 6515. ........ r75102 | skip.montanaro | 2009-09-27 21:12:27 -0500 (Sun, 27 Sep 2009) | 3 lines Patch from Thomas Barr so that csv.Sniffer will set doublequote property. Closes issue 6606. ........ r75129 | vinay.sajip | 2009-09-29 02:08:54 -0500 (Tue, 29 Sep 2009) | 1 line Issue #7014: logging: Improved IronPython 2.6 compatibility. ........ r75139 | raymond.hettinger | 2009-09-29 13:53:24 -0500 (Tue, 29 Sep 2009) | 3 lines Issue 7008: Better document str.title and show how to work around the apostrophe problem. ........ r75230 | benjamin.peterson | 2009-10-04 08:38:38 -0500 (Sun, 04 Oct 2009) | 1 line test logging ........ ................ --- Doc/c-api/init.rst | 4 +++ Doc/c-api/unicode.rst | 29 +++++++++++++--------- Doc/documenting/markup.rst | 6 +++-- Doc/library/codecs.rst | 2 +- Doc/library/datetime.rst | 4 +++ Doc/library/functions.rst | 18 ++++++-------- Doc/library/hashlib.rst | 4 +-- Doc/library/inspect.rst | 5 ++++ Doc/library/logging.rst | 55 ++++++++++++++++++++++++++++++++++++++--- Doc/library/shelve.rst | 45 +++++++++++++++++++-------------- Doc/library/stdtypes.rst | 2 ++ Doc/library/sys.rst | 13 +++++----- Doc/library/termios.rst | 2 +- Doc/library/threading.rst | 4 +-- Doc/tutorial/interpreter.rst | 2 +- Doc/tutorial/modules.rst | 22 ++++++++--------- Doc/whatsnew/2.7.rst | 7 ++++++ Lib/csv.py | 22 +++++++++++++---- Lib/getpass.py | 2 +- Lib/inspect.py | 14 +++++------ Lib/logging/__init__.py | 30 +++++++++++++--------- Lib/multiprocessing/managers.py | 2 +- Lib/platform.py | 2 +- Lib/test/test___all__.py | 1 + Lib/test/test_csv.py | 9 ++++++- Lib/test/test_socket.py | 2 +- Lib/textwrap.py | 6 ++--- Misc/developers.txt | 10 ++++++++ Modules/socketmodule.c | 13 ++++++---- 29 files changed, 229 insertions(+), 108 deletions(-) diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst index b2baab5..d79c123 100644 --- a/Doc/c-api/init.rst +++ b/Doc/c-api/init.rst @@ -371,6 +371,10 @@ Initialization, Finalization, and Threads Set the default "home" directory, that is, the location of the standard Python libraries. The libraries are searched in :file:`{home}/lib/python{version}` and :file:`{home}/lib/python{version}`. + The argument should point to a zero-terminated character string in static + storage whose contents will not change for the duration of the program's + execution. No code in the Python interpreter will change the contents of + this storage. .. cfunction:: w_char* Py_GetPythonHome() diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst index dc48158..4c0d6a4 100644 --- a/Doc/c-api/unicode.rst +++ b/Doc/c-api/unicode.rst @@ -476,10 +476,13 @@ These are the UTF-32 codec APIs: *byteorder == 0: native order *byteorder == 1: big endian - and then switches if the first four bytes of the input data are a byte order mark - (BOM) and the specified byte order is native order. This BOM is not copied into - the resulting Unicode string. After completion, *\*byteorder* is set to the - current byte order at the end of input data. + If ``*byteorder`` is zero, and the first four bytes of the input data are a + byte order mark (BOM), the decoder switches to this byte order and the BOM is + not copied into the resulting Unicode string. If ``*byteorder`` is ``-1`` or + ``1``, any byte order mark is copied to the output. + + After completion, *\*byteorder* is set to the current byte order at the end + of input data. In a narrow build codepoints outside the BMP will be decoded as surrogate pairs. @@ -500,8 +503,7 @@ These are the UTF-32 codec APIs: .. cfunction:: PyObject* PyUnicode_EncodeUTF32(const Py_UNICODE *s, Py_ssize_t size, const char *errors, int byteorder) Return a Python bytes object holding the UTF-32 encoded value of the Unicode - data in *s*. If *byteorder* is not ``0``, output is written according to the - following byte order:: + data in *s*. Output is written according to the following byte order:: byteorder == -1: little endian byteorder == 0: native byte order (writes a BOM mark) @@ -541,10 +543,14 @@ These are the UTF-16 codec APIs: *byteorder == 0: native order *byteorder == 1: big endian - and then switches if the first two bytes of the input data are a byte order mark - (BOM) and the specified byte order is native order. This BOM is not copied into - the resulting Unicode string. After completion, *\*byteorder* is set to the - current byte order at the end of input data. + If ``*byteorder`` is zero, and the first two bytes of the input data are a + byte order mark (BOM), the decoder switches to this byte order and the BOM is + not copied into the resulting Unicode string. If ``*byteorder`` is ``-1`` or + ``1``, any byte order mark is copied to the output (where it will result in + either a ``\ufeff`` or a ``\ufffe`` character). + + After completion, *\*byteorder* is set to the current byte order at the end + of input data. If *byteorder* is *NULL*, the codec starts in native order mode. @@ -563,8 +569,7 @@ These are the UTF-16 codec APIs: .. cfunction:: PyObject* PyUnicode_EncodeUTF16(const Py_UNICODE *s, Py_ssize_t size, const char *errors, int byteorder) Return a Python bytes object holding the UTF-16 encoded value of the Unicode - data in *s*. If *byteorder* is not ``0``, output is written according to the - following byte order:: + data in *s*. Output is written according to the following byte order:: byteorder == -1: little endian byteorder == 0: native byte order (writes a BOM mark) diff --git a/Doc/documenting/markup.rst b/Doc/documenting/markup.rst index 3577c96..421971a 100644 --- a/Doc/documenting/markup.rst +++ b/Doc/documenting/markup.rst @@ -597,8 +597,10 @@ units as well as normal text: An important bit of information about an API that a user should be aware of when using whatever bit of API the warning pertains to. The content of the directive should be written in complete sentences and include all appropriate - punctuation. This should only be chosen over ``note`` for information - regarding the possibility of crashes, data loss, or security implications. + punctuation. In the interest of not scaring users away from pages filled + with warnings, this directive should only be chosen over ``note`` for + information regarding the possibility of crashes, data loss, or security + implications. .. describe:: versionadded diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst index 6e02063..c3e7407 100644 --- a/Doc/library/codecs.rst +++ b/Doc/library/codecs.rst @@ -986,7 +986,7 @@ particular, the following variants typically exist: +-----------------+--------------------------------+--------------------------------+ | cp1255 | windows-1255 | Hebrew | +-----------------+--------------------------------+--------------------------------+ -| cp1256 | windows1256 | Arabic | +| cp1256 | windows-1256 | Arabic | +-----------------+--------------------------------+--------------------------------+ | cp1257 | windows-1257 | Baltic languages | +-----------------+--------------------------------+--------------------------------+ diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst index df04cf3..c1d3113 100644 --- a/Doc/library/datetime.rst +++ b/Doc/library/datetime.rst @@ -63,6 +63,7 @@ Available Types .. class:: date + :noindex: An idealized naive date, assuming the current Gregorian calendar always was, and always will be, in effect. Attributes: :attr:`year`, :attr:`month`, and @@ -70,6 +71,7 @@ Available Types .. class:: time + :noindex: An idealized time, independent of any particular day, assuming that every day has exactly 24\*60\*60 seconds (there is no notion of "leap seconds" here). @@ -78,6 +80,7 @@ Available Types .. class:: datetime + :noindex: A combination of a date and a time. Attributes: :attr:`year`, :attr:`month`, :attr:`day`, :attr:`hour`, :attr:`minute`, :attr:`second`, :attr:`microsecond`, @@ -85,6 +88,7 @@ Available Types .. class:: timedelta + :noindex: A duration expressing the difference between two :class:`date`, :class:`time`, or :class:`datetime` instances to microsecond resolution. diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index 9cd2175..465339a 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -600,16 +600,12 @@ are always available. They are listed here in alphabetical order. .. function:: locals() Update and return a dictionary representing the current local symbol table. + Free variables are returned by :func:`locals` when it is called in function + blocks, but not in class blocks. .. note:: - The contents of this dictionary should not be modified; changes may not - affect the values of local variables used by the interpreter. - - Free variables are returned by :func:`locals` when it is called in a function - block. Modifications of free variables may not affect the values used by the - interpreter. Free variables are not returned in class blocks. - + affect the values of local and free variables used by the interpreter. .. function:: map(function, iterable, ...) @@ -1172,10 +1168,10 @@ are always available. They are listed here in alphabetical order. .. function:: vars([object]) - Without arguments, return a dictionary corresponding to the current local symbol - table. With a module, class or class instance object as argument (or anything - else that has a :attr:`__dict__` attribute), returns a dictionary corresponding - to the object's symbol table. + Without an argument, act like :func:`locals`. + + With a module, class or class instance object as argument (or anything else that + has a :attr:`__dict__` attribute), return that attribute. .. note:: The returned dictionary should not be modified: diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst index f63d957..a776df1 100644 --- a/Doc/library/hashlib.rst +++ b/Doc/library/hashlib.rst @@ -86,11 +86,11 @@ The following values are provided as constant attributes of the hash objects returned by the constructors: -.. data:: digest_size +.. data:: hash.digest_size The size of the resulting hash in bytes. -.. data:: block_size +.. data:: hash.block_size The internal block size of the hash algorithm in bytes. diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst index 03bdf3e..ad88e3d 100644 --- a/Doc/library/inspect.rst +++ b/Doc/library/inspect.rst @@ -508,6 +508,11 @@ line. Return the frame object for the caller's stack frame. + This function relies on Python stack frame support in the interpreter, which + isn't guaranteed to exist in all implementations of Python. If running in + an implementation without Python stack frame support this function returns + ``None``. + .. function:: stack(context=1) diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst index bb736af..6ff9b8b 100644 --- a/Doc/library/logging.rst +++ b/Doc/library/logging.rst @@ -57,7 +57,7 @@ default handler so that debug messages are written to a file:: import logging LOG_FILENAME = '/tmp/logging_example.out' - logging.basicConfig(filename=LOG_FILENAME,level=logging.DEBUG,) + logging.basicConfig(filename=LOG_FILENAME,level=logging.DEBUG) logging.debug('This message should go to the log file') @@ -1447,6 +1447,55 @@ printed on the console; on the server side, you should see something like:: 69 myapp.area2 WARNING Jail zesty vixen who grabbed pay from quack. 69 myapp.area2 ERROR The five boxing wizards jump quickly. +Using arbitrary objects as messages +----------------------------------- + +In the preceding sections and examples, it has been assumed that the message +passed when logging the event is a string. However, this is not the only +possibility. You can pass an arbitrary object as a message, and its +:meth:`__str__` method will be called when the logging system needs to convert +it to a string representation. In fact, if you want to, you can avoid +computing a string representation altogether - for example, the +:class:`SocketHandler` emits an event by pickling it and sending it over the +wire. + +Optimization +------------ + +Formatting of message arguments is deferred until it cannot be avoided. +However, computing the arguments passed to the logging method can also be +expensive, and you may want to avoid doing it if the logger will just throw +away your event. To decide what to do, you can call the :meth:`isEnabledFor` +method which takes a level argument and returns true if the event would be +created by the Logger for that level of call. You can write code like this:: + + if logger.isEnabledFor(logging.DEBUG): + logger.debug("Message with %s, %s", expensive_func1(), + expensive_func2()) + +so that if the logger's threshold is set above ``DEBUG``, the calls to +:func:`expensive_func1` and :func:`expensive_func2` are never made. + +There are other optimizations which can be made for specific applications which +need more precise control over what logging information is collected. Here's a +list of things you can do to avoid processing during logging which you don't +need: + ++-----------------------------------------------+----------------------------------------+ +| What you don't want to collect | How to avoid collecting it | ++===============================================+========================================+ +| Information about where calls were made from. | Set ``logging._srcfile`` to ``None``. | ++-----------------------------------------------+----------------------------------------+ +| Threading information. | Set ``logging.logThreads`` to ``0``. | ++-----------------------------------------------+----------------------------------------+ +| Process information. | Set ``logging.logProcesses`` to ``0``. | ++-----------------------------------------------+----------------------------------------+ + +Also note that the core logging module only includes the basic handlers. If +you don't import :mod:`logging.handlers` and :mod:`logging.config`, they won't +take up any memory. + +.. _handler: Handler Objects --------------- @@ -1562,9 +1611,9 @@ file-like object (or, more precisely, any object which supports :meth:`write` and :meth:`flush` methods). -.. class:: StreamHandler(strm=None) +.. class:: StreamHandler(stream=None) - Returns a new instance of the :class:`StreamHandler` class. If *strm* is + Returns a new instance of the :class:`StreamHandler` class. If *stream* is specified, the instance will use it for logging output; otherwise, *sys.stderr* will be used. diff --git a/Doc/library/shelve.rst b/Doc/library/shelve.rst index 10242fd..e386290 100644 --- a/Doc/library/shelve.rst +++ b/Doc/library/shelve.rst @@ -27,27 +27,39 @@ lots of shared sub-objects. The keys are ordinary strings. Because of Python semantics, a shelf cannot know when a mutable persistent-dictionary entry is modified. By default modified objects are - written only when assigned to the shelf (see :ref:`shelve-example`). If - the optional *writeback* parameter is set to *True*, all entries accessed - are cached in memory, and written back at close time; this can make it - handier to mutate mutable entries in the persistent dictionary, but, if - many entries are accessed, it can consume vast amounts of memory for the - cache, and it can make the close operation very slow since all accessed - entries are written back (there is no way to determine which accessed - entries are mutable, nor which ones were actually mutated). + written only when assigned to the shelf (see :ref:`shelve-example`). If the + optional *writeback* parameter is set to *True*, all entries accessed are + cached in memory, and written back on :meth:`sync` and :meth:`close`; this + can make it handier to mutate mutable entries in the persistent dictionary, + but, if many entries are accessed, it can consume vast amounts of memory for + the cache, and it can make the close operation very slow since all accessed + entries are written back (there is no way to determine which accessed entries + are mutable, nor which ones were actually mutated). + + .. note:: + + Do not rely on the shelf being closed automatically; always call + :meth:`close` explicitly when you don't need it any more, or use a + :keyword:`with` statement with :func:`contextlib.closing`. + Shelf objects support all methods supported by dictionaries. This eases the transition from dictionary based scripts to those requiring persistent storage. -One additional method is supported: - +Two additional methods are supported: .. method:: Shelf.sync() - Write back all entries in the cache if the shelf was opened with *writeback* set - to *True*. Also empty the cache and synchronize the persistent dictionary on - disk, if feasible. This is called automatically when the shelf is closed with - :meth:`close`. + Write back all entries in the cache if the shelf was opened with *writeback* + set to :const:`True`. Also empty the cache and synchronize the persistent + dictionary on disk, if feasible. This is called automatically when the shelf + is closed with :meth:`close`. + +.. method:: Shelf.close() + + Synchronize and close the persistent *dict* object. Operations on a closed + shelf will fail with a :exc:`ValueError`. + .. seealso:: @@ -71,11 +83,6 @@ Restrictions database should be fairly small, and in rare cases key collisions may cause the database to refuse updates. -* Depending on the implementation, closing a persistent dictionary may or may - not be necessary to flush changes to disk. The :meth:`__del__` method of the - :class:`Shelf` class calls the :meth:`close` method, so the programmer generally - need not do this explicitly. - * The :mod:`shelve` module does not support *concurrent* read/write access to shelved objects. (Multiple simultaneous read accesses are safe.) When a program has a shelf open for writing, no other program should have it open for diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index 8f56bb0..3b02f98 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -1148,6 +1148,8 @@ functions based on regular expressions. >>> titlecase("they're bill's friends.") "They're Bill's Friends." + For 8-bit strings, this method is locale-dependent. + .. method:: str.translate(map) diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index e895e4c..b786034 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -337,12 +337,12 @@ always available. does not have to hold true for third-party extensions as it is implementation specific. - The *default* argument allows to define a value which will be returned - if the object type does not provide means to retrieve the size and would - cause a `TypeError`. + If given, *default* will be returned if the object does not provide means to + retrieve the size. Otherwise a `TypeError` will be raised. - :func:`getsizeof` calls the object's __sizeof__ method and adds an additional - garbage collector overhead if the object is managed by the garbage collector. + :func:`getsizeof` calls the object's ``__sizeof__`` method and adds an + additional garbage collector overhead if the object is managed by the garbage + collector. .. function:: _getframe([depth]) @@ -352,7 +352,8 @@ 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. + This function should be used for internal and specialized purposes only. It + is not guaranteed to exist in all implementations of Python. .. function:: getprofile() diff --git a/Doc/library/termios.rst b/Doc/library/termios.rst index df29496..591850e 100644 --- a/Doc/library/termios.rst +++ b/Doc/library/termios.rst @@ -89,7 +89,7 @@ technique using a separate :func:`tcgetattr` call and a :keyword:`try` ... :keyword:`finally` statement to ensure that the old tty attributes are restored exactly no matter what happens:: - def getpass(prompt = "Password: "): + def getpass(prompt="Password: "): import termios, sys fd = sys.stdin.fileno() old = termios.tcgetattr(fd) diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst index aa7f46a..f642111 100644 --- a/Doc/library/threading.rst +++ b/Doc/library/threading.rst @@ -23,7 +23,7 @@ This module defines the following functions and objects: .. function:: active_count() Return the number of :class:`Thread` objects currently alive. The returned - count is equal to the length of the list returned by :func:`enumerate`. + count is equal to the length of the list returned by :func:`.enumerate`. .. function:: Condition() @@ -301,7 +301,7 @@ impossible to detect the termination of alien threads. Roughly, a thread is alive from the moment the :meth:`start` method returns until its :meth:`run` method terminates. The module function - :func:`enumerate` returns a list of all alive threads. + :func:`.enumerate` returns a list of all alive threads. .. attribute:: daemon diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst index 6c6bc16..bca02ed 100644 --- a/Doc/tutorial/interpreter.rst +++ b/Doc/tutorial/interpreter.rst @@ -31,7 +31,7 @@ command into the command prompt in a DOS box:: Typing an end-of-file character (:kbd:`Control-D` on Unix, :kbd:`Control-Z` on Windows) at the primary prompt causes the interpreter to exit with a zero exit status. If that doesn't work, you can exit the interpreter by typing the -following commands: ``import sys; sys.exit()``. +following command: ``quit()``. The interpreter's line-editing features usually aren't very sophisticated. On Unix, whoever installed the interpreter may have enabled support for the GNU diff --git a/Doc/tutorial/modules.rst b/Doc/tutorial/modules.rst index 1023ba8..d4bfbda 100644 --- a/Doc/tutorial/modules.rst +++ b/Doc/tutorial/modules.rst @@ -107,6 +107,10 @@ In most cases Python programmers do not use this facility since it introduces an unknown set of names into the interpreter, possibly hiding some things you have already defined. +Note that in general the practice of importing ``*`` from a module or package is +frowned upon, since it often causes poorly readable code. However, it is okay to +use it to save typing in interactive sessions. + .. note:: For efficiency reasons, each module is only imported once per interpreter @@ -445,14 +449,9 @@ Importing \* From a Package Now what happens when the user writes ``from sound.effects import *``? Ideally, one would hope that this somehow goes out to the filesystem, finds which -submodules are present in the package, and imports them all. Unfortunately, -this operation does not work very well on Windows platforms, where the -filesystem does not always have accurate information about the case of a -filename. On these platforms, there is no guaranteed way to know whether a file -:file:`ECHO.PY` should be imported as a module :mod:`echo`, :mod:`Echo` or -:mod:`ECHO`. (For example, Windows 95 has the annoying practice of showing all -file names with a capitalized first letter.) The DOS 8+3 filename restriction -adds another interesting problem for long module names. +submodules are present in the package, and imports them all. This could take a +long time and importing sub-modules might have unwanted side-effects that should +only happen when the sub-module is explicitly imported. The only solution is for the package author to provide an explicit index of the package. The :keyword:`import` statement uses the following convention: if a package's @@ -487,10 +486,9 @@ current namespace because they are defined in the :mod:`sound.effects` package when the ``from...import`` statement is executed. (This also works when ``__all__`` is defined.) -Note that in general the practice of importing ``*`` from a module or package is -frowned upon, since it often causes poorly readable code. However, it is okay to -use it to save typing in interactive sessions, and certain modules are designed -to export only names that follow certain patterns. +Although certain modules are designed to export only names that follow certain +patterns when you use ``import *``, it is still considered bad practise in +production code. Remember, there is nothing wrong with using ``from Package import specific_submodule``! In fact, this is the recommended notation unless the diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst index f5f7d19..e92af99 100644 --- a/Doc/whatsnew/2.7.rst +++ b/Doc/whatsnew/2.7.rst @@ -505,6 +505,13 @@ changes, or look through the Subversion logs for all the details. differences. :meth:`assertDictContainsSubset` checks whether all of the key/value pairs in *first* are found in *second*. + * :meth:`assertAlmostEqual` and :meth:`assertNotAlmostEqual` short-circuit + (automatically pass or fail without checking decimal places) if the objects + are equal. + + * :meth:`loadTestsFromName` properly honors the ``suiteClass`` attribute of + the :class:`TestLoader`. (Fixed by Mark Roddy; :issue:`6866`.) + * A new hook, :meth:`addTypeEqualityFunc` takes a type object and a function. The :meth:`assertEqual` method will use the function when both of the objects being compared are of the specified type. diff --git a/Lib/csv.py b/Lib/csv.py index ee62abe..59ec372 100644 --- a/Lib/csv.py +++ b/Lib/csv.py @@ -165,7 +165,7 @@ class Sniffer: Returns a dialect (or None) corresponding to the sample """ - quotechar, delimiter, skipinitialspace = \ + quotechar, doublequote, delimiter, skipinitialspace = \ self._guess_quote_and_delimiter(sample, delimiters) if not delimiter: delimiter, skipinitialspace = self._guess_delimiter(sample, @@ -179,8 +179,8 @@ class Sniffer: lineterminator = '\r\n' quoting = QUOTE_MINIMAL # escapechar = '' - doublequote = False + dialect.doublequote = doublequote dialect.delimiter = delimiter # _csv.reader won't accept a quotechar of '' dialect.quotechar = quotechar or '"' @@ -212,8 +212,8 @@ class Sniffer: break if not matches: - return ('', None, 0) # (quotechar, delimiter, skipinitialspace) - + # (quotechar, doublequote, delimiter, skipinitialspace) + return ('', False, None, 0) quotes = {} delims = {} spaces = 0 @@ -248,7 +248,19 @@ class Sniffer: delim = '' skipinitialspace = 0 - return (quotechar, delim, skipinitialspace) + # if we see an extra quote between delimiters, we've got a + # double quoted format + dq_regexp = re.compile(r"((%(delim)s)|^)\W*%(quote)s[^%(delim)s\n]*%(quote)s[^%(delim)s\n]*%(quote)s\W*((%(delim)s)|$)" % \ + {'delim':delim, 'quote':quotechar}, re.MULTILINE) + + + + if dq_regexp.search(data): + doublequote = True + else: + doublequote = False + + return (quotechar, doublequote, delim, skipinitialspace) def _guess_delimiter(self, data, delimiters): diff --git a/Lib/getpass.py b/Lib/getpass.py index 857188f..d0030ae 100644 --- a/Lib/getpass.py +++ b/Lib/getpass.py @@ -51,7 +51,7 @@ def unix_getpass(prompt='Password: ', stream=None): # If that fails, see if stdin can be controlled. try: fd = sys.stdin.fileno() - except: + except (AttributeError, ValueError): passwd = fallback_getpass(prompt, stream) input = sys.stdin if not stream: diff --git a/Lib/inspect.py b/Lib/inspect.py index 79565c1..1f1b7f9 100644 --- a/Lib/inspect.py +++ b/Lib/inspect.py @@ -398,12 +398,12 @@ def getfile(object): if ismodule(object): if hasattr(object, '__file__'): return object.__file__ - raise TypeError('arg is a built-in module') + raise TypeError('{!r} is a built-in module'.format(object)) if isclass(object): object = sys.modules.get(object.__module__) if hasattr(object, '__file__'): return object.__file__ - raise TypeError('arg is a built-in class') + raise TypeError('{!r} is a built-in class'.format(object)) if ismethod(object): object = object.__func__ if isfunction(object): @@ -414,8 +414,8 @@ def getfile(object): object = object.f_code if iscode(object): return object.co_filename - raise TypeError('arg is not a module, class, method, ' - 'function, traceback, frame, or code object') + raise TypeError('{!r} is not a module, class, method, ' + 'function, traceback, frame, or code object'.format(object)) ModuleInfo = namedtuple('ModuleInfo', 'name suffix mode module_type') @@ -747,7 +747,7 @@ def _getfullargs(co): names of the * and ** arguments or None.""" if not iscode(co): - raise TypeError('arg is not a code object') + raise TypeError('{!r} is not a code object'.format(co)) nargs = co.co_argcount names = co.co_varnames @@ -811,7 +811,7 @@ def getfullargspec(func): if ismethod(func): func = func.__func__ if not isfunction(func): - raise TypeError('arg is not a Python function') + raise TypeError('{!r} is not a Python function'.format(func)) args, varargs, kwonlyargs, varkw = _getfullargs(func.__code__) return FullArgSpec(args, varargs, varkw, func.__defaults__, kwonlyargs, func.__kwdefaults__, func.__annotations__) @@ -944,7 +944,7 @@ def getframeinfo(frame, context=1): else: lineno = frame.f_lineno if not isframe(frame): - raise TypeError('arg is not a frame or traceback object') + raise TypeError('{!r} is not a frame or traceback object'.format(frame)) filename = getsourcefile(frame) or getfile(frame) if context > 0: diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py index f932110..fecca2b 100644 --- a/Lib/logging/__init__.py +++ b/Lib/logging/__init__.py @@ -271,11 +271,14 @@ class LogRecord: else: self.thread = None self.threadName = None - if logMultiprocessing: - from multiprocessing import current_process - self.processName = current_process().name - else: + if not logMultiprocessing: self.processName = None + else: + try: + from multiprocessing import current_process + self.processName = current_process().name + except ImportError: + self.processName = None if logProcesses and hasattr(os, 'getpid'): self.process = os.getpid() else: @@ -734,16 +737,16 @@ class StreamHandler(Handler): sys.stdout or sys.stderr may be used. """ - def __init__(self, strm=None): + def __init__(self, stream=None): """ Initialize the handler. - If strm is not specified, sys.stderr is used. + If stream is not specified, sys.stderr is used. """ Handler.__init__(self) - if strm is None: - strm = sys.stderr - self.stream = strm + if stream is None: + stream = sys.stderr + self.stream = stream def flush(self): """ @@ -1113,7 +1116,11 @@ class Logger(Filterer): Find the stack frame of the caller so that we can note the source file name, line number and function name. """ - f = currentframe().f_back + f = currentframe() + #On some versions of IronPython, currentframe() returns None if + #IronPython isn't run with -X:Frames. + if f is not None: + f = f.f_back rv = "(unknown file)", 0, "(unknown function)" while hasattr(f, "f_code"): co = f.f_code @@ -1145,7 +1152,8 @@ class Logger(Filterer): """ if _srcfile: #IronPython doesn't track Python frames, so findCaller throws an - #exception. We trap it here so that IronPython can use logging. + #exception on some versions of IronPython. We trap it here so that + #IronPython can use logging. try: fn, lno, func = self.findCaller() except ValueError: diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py index 40af8f0..8faf34e 100644 --- a/Lib/multiprocessing/managers.py +++ b/Lib/multiprocessing/managers.py @@ -413,7 +413,7 @@ class Server(object): self.id_to_refcount[ident] -= 1 if self.id_to_refcount[ident] == 0: del self.id_to_obj[ident], self.id_to_refcount[ident] - util.debug('disposing of obj with id %d', ident) + util.debug('disposing of obj with id %r', ident) finally: self.mutex.release() diff --git a/Lib/platform.py b/Lib/platform.py index 21e098b..13129d5 100755 --- a/Lib/platform.py +++ b/Lib/platform.py @@ -10,7 +10,7 @@ """ # This module is maintained by Marc-Andre Lemburg . # If you find problems, please submit bug reports/patches via the -# Python SourceForge Project Page and assign them to "lemburg". +# Python bug tracker (http://bugs.python.org) and assign them to "lemburg". # # Still needed: # * more support for WinCE diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py index 8ebe568..a4e69b2 100644 --- a/Lib/test/test___all__.py +++ b/Lib/test/test___all__.py @@ -82,6 +82,7 @@ class AllTest(unittest.TestCase): self.check_all("keyword") self.check_all("linecache") self.check_all("locale") + self.check_all("logging") self.check_all("macpath") self.check_all("macurl2path") self.check_all("mailbox") diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py index 95105be..75d1a91 100644 --- a/Lib/test/test_csv.py +++ b/Lib/test/test_csv.py @@ -767,7 +767,7 @@ Stonecutters Seafood and Chop House, Lemont, IL, 12/19/02, Week Back 'Harry''s':'Arlington Heights':'IL':'2/1/03':'Kimi Hayes' 'Shark City':'Glendale Heights':'IL':'12/28/02':'Prezence' 'Tommy''s Place':'Blue Island':'IL':'12/28/02':'Blue Sunday/White Crow' -'Stonecutters Seafood and Chop House':'Lemont':'IL':'12/19/02':'Week Back' +'Stonecutters ''Seafood'' and Chop House':'Lemont':'IL':'12/19/02':'Week Back' """ header = '''\ "venue","city","state","date","performers" @@ -826,6 +826,13 @@ Stonecutters Seafood and Chop House, Lemont, IL, 12/19/02, Week Back self.assertEqual(dialect.delimiter, "|") self.assertEqual(dialect.quotechar, "'") + def test_doublequote(self): + sniffer = csv.Sniffer() + dialect = sniffer.sniff(self.header) + self.assertFalse(dialect.doublequote) + dialect = sniffer.sniff(self.sample2) + self.assertTrue(dialect.doublequote) + if not hasattr(sys, "gettotalrefcount"): if support.verbose: print("*** skipping leakage tests ***") else: diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py index 8313006..0f0cb80 100644 --- a/Lib/test/test_socket.py +++ b/Lib/test/test_socket.py @@ -291,7 +291,7 @@ class GeneralModuleTests(unittest.TestCase): # On some versions, this loses a reference orig = sys.getrefcount(__name__) socket.getnameinfo(__name__,0) - except SystemError: + except TypeError: if sys.getrefcount(__name__) != orig: self.fail("socket.getnameinfo loses a reference") diff --git a/Lib/textwrap.py b/Lib/textwrap.py index 1f2e9b4..f4886a1 100644 --- a/Lib/textwrap.py +++ b/Lib/textwrap.py @@ -135,7 +135,7 @@ class TextWrapper: """_split(text : string) -> [string] Split the text to wrap into indivisible chunks. Chunks are - not quite the same as words; see wrap_chunks() for full + not quite the same as words; see _wrap_chunks() for full details. As an example, the text Look, goof-ball -- use the -b option! breaks into the following chunks: @@ -163,9 +163,9 @@ class TextWrapper: space to two. """ i = 0 - pat = self.sentence_end_re + patsearch = self.sentence_end_re.search while i < len(chunks)-1: - if chunks[i+1] == " " and pat.search(chunks[i]): + if chunks[i+1] == " " and patsearch(chunks[i]): chunks[i+1] = " " i += 2 else: diff --git a/Misc/developers.txt b/Misc/developers.txt index d9c7870..25d5324 100644 --- a/Misc/developers.txt +++ b/Misc/developers.txt @@ -20,6 +20,9 @@ for details. When the agreement is signed, please note it in this log. Permissions History ------------------- +- Doug Hellmann was given SVN access on September 19 2009 by GFB, at + suggestion of Jesse Noller, for documentation work. + - Ezio Melotti was given SVN access on June 7 2009 by GFB, for work on and fixes to the documentation. @@ -109,6 +112,13 @@ Permissions History - Jeffrey Yasskin was given SVN access on 9 August 2007 by NCN, for his work on PEPs and other general patches. +- Mark Summerfield was given SVN access on 1 August 2007 by GFB, + for work on documentation. + +- Armin Ronacher was given SVN access on 23 July 2007 by GFB, + for work on the documentation toolset. He now maintains the + ast module. + - Senthil Kumaran was given SVN access on 16 June 2007 by MvL, for his Summer-of-Code project, mentored by Skip Montanaro. diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c index de720e1..458c88c 100644 --- a/Modules/socketmodule.c +++ b/Modules/socketmodule.c @@ -3890,8 +3890,13 @@ socket_getnameinfo(PyObject *self, PyObject *args) flags = flowinfo = scope_id = 0; if (!PyArg_ParseTuple(args, "Oi:getnameinfo", &sa, &flags)) return NULL; - if (!PyArg_ParseTuple(sa, "si|ii", - &hostp, &port, &flowinfo, &scope_id)) + if (!PyTuple_Check(sa)) { + PyErr_SetString(PyExc_TypeError, + "getnameinfo() argument 1 must be a tuple"); + return NULL; + } + if (!PyArg_ParseTuple(sa, "si|ii", + &hostp, &port, &flowinfo, &scope_id)) return NULL; PyOS_snprintf(pbuf, sizeof(pbuf), "%d", port); memset(&hints, 0, sizeof(hints)); @@ -3914,9 +3919,7 @@ socket_getnameinfo(PyObject *self, PyObject *args) switch (res->ai_family) { case AF_INET: { - char *t1; - int t2; - if (PyArg_ParseTuple(sa, "si", &t1, &t2) == 0) { + if (PyTuple_GET_SIZE(sa) != 2) { PyErr_SetString(socket_error, "IPv4 sockaddr must be 2 tuple"); goto fail; -- cgit v0.12