blob: c09f8e6014c085de029cdebd5bb4a984a3082682 [file] [log] [blame]
Georg Brandlab6f2f62009-03-31 04:16:10 +00001+++++++++++
2Python News
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00003+++++++++++
4
Anthony Baxterb0c66302004-11-04 05:23:17 +00005(editors: check NEWS.help for information about editing NEWS using ReST.)
6
Matthias Klosed4337802009-09-13 15:29:48 +00007What's New in Python 3.1.2?
Benjamin Petersone8fb2032009-06-27 22:03:18 +00008===========================
9
Matthias Klosed4337802009-09-13 15:29:48 +000010*Release date: 20xx-xx-xx*
Benjamin Petersone8fb2032009-06-27 22:03:18 +000011
12Core and Builtins
13-----------------
14
Benjamin Peterson533849a2009-12-30 19:47:05 +000015- Issue #7604: Deleting an unset slotted attribute did not raise an
16 AttributeError.
17
Antoine Pitrou2795e6c2009-12-12 19:26:06 +000018- Issue #7466: segmentation fault when the garbage collector is called
19 in the middle of populating a tuple. Patch by Florent Xicluna.
20
Amaury Forgeot d'Arcea315ac2009-12-01 22:03:44 +000021- Issue #7419: setlocale() could crash the interpreter on Windows when called
22 with invalid values.
23
Amaury Forgeot d'Arc36dfe782009-11-30 00:16:44 +000024- Issue #6077: On Windows, files opened with tempfile.TemporaryFile in "wt+"
25 mode would appear truncated on the first '0x1a' byte (aka. Ctrl+Z).
26
Ronald Oussoren1b2cad02009-11-19 17:30:05 +000027- Issue #7085: Fix crash when importing some extensions in a thread
28 on MacOSX 10.6.
29
Mark Dickinsonb6447512009-11-15 10:17:48 +000030- Issue #7298: fixes for range and reversed(range(...)). Iteration
31 over range(a, b, c) incorrectly gave an empty iterator when a, b and
32 c fit in C long but the length of the range did not. Also fix
33 several cases where reversed(range(a, b, c)) gave wrong results, and
34 fix a refleak for reversed(range(a, b, c)) with large arguments.
35
Raymond Hettingera9311a32009-11-01 21:02:38 +000036- Issue #7244: itertools.izip_longest() no longer ignores exceptions
37 raised during the formation of an output tuple.
38
Benjamin Peterson7dc5ac52009-10-29 01:22:38 +000039- Issue #3297: On wide unicode builds, do not split unicode characters into
40 surrogates.
41
Antoine Pitroucefb3162009-10-20 22:08:36 +000042- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
43 fixes the problem of some exceptions being thrown at shutdown when the
44 interpreter is killed. Patch by Adam Olsen.
45
Antoine Pitrou96bb15b2009-10-14 17:18:54 +000046- Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when
Antoine Pitroueda95e92009-10-19 19:47:59 +000047 using byte values greater than 127. Patch by Derk Drukker.
Antoine Pitrou96bb15b2009-10-14 17:18:54 +000048
Mark Dickinson2bbeb0e2009-09-29 19:24:38 +000049- Issue #7019: Raise ValueError when unmarshalling bad long data, instead
50 of producing internally inconsistent Python longs.
51
Philip Jenvey962b05c2009-09-29 05:03:48 +000052- Issue #6990: Fix threading.local subclasses leaving old state around
53 after a reference cycle GC which could be recycled by new locals.
54
Mark Dickinson424d75a2009-09-06 10:20:23 +000055- Issue #6846: Fix bug where bytearray.pop() returns negative integers.
56
Amaury Forgeot d'Arcaf0312a2009-08-29 23:19:16 +000057- Issue #6750: A text file opened with io.open() could duplicate its output
58 when writing from multiple threads at the same time.
59
Matthias Klosed4337802009-09-13 15:29:48 +000060Library
61-------
62
Tarek Ziadé5e9615f2010-01-09 00:03:39 +000063- Issue #7617: Make sure distutils.unixccompiler.UnixCCompiler recognizes
64 gcc when it has a fully qualified configuration prefix. Initial patch
65 by Arfrever.
66
Antoine Pitrou1a2d3562010-01-08 17:56:16 +000067- Issue #7105: Make WeakKeyDictionary and WeakValueDictionary robust against
68 the destruction of weakref'ed objects while iterating.
69
Antoine Pitrou901d81e2010-01-07 18:02:53 +000070- Issue #7455: Fix possible crash in cPickle on invalid input. Patch by
71 Victor Stinner.
72
R. David Murray93a59652010-01-06 20:12:07 +000073- Issue #6511: ZipFile now raises BadZipfile (instead of an IOError) when
74 opening an empty or very small file.
75
Tarek Ziadéb7e82bb2009-12-21 23:18:02 +000076- Issue #7556: Make sure Distutils' msvc9compile reads and writes the
77 MSVC XML Manifest file in text mode so string patterns can be used
78 in regular expressions.
79
Tarek Ziadé63d14c02009-12-21 00:08:17 +000080- Issue #7552: Removed line feed in the base64 Authorization header in
81 the Distutils upload command to avoid an error when PyPI reads it.
82 This occurs on long passwords. Initial patch by JP St. Pierre.
83
Senthil Kumaran4b9fbeb2009-12-20 07:18:22 +000084- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
85 Tatsuhiro Tsujikawa.
86
Antoine Pitrouc8428d32009-12-14 18:23:30 +000087- Issue #4757: `zlib.compress` and other methods in the zlib module now
88 raise a TypeError when given an `str` object (rather than a `bytes`-like
89 object). Patch by Victor Stinner and Florent Xicluna.
90
Benjamin Peterson6b59f772009-12-13 19:30:15 +000091- Issue #7349: Make methods of file objects in the io module accept None as an
92 argument where file-like objects (ie StringIO and BytesIO) accept them to mean
93 the same as passing no argument.
94
R. David Murraya6cdd832009-12-12 18:38:24 +000095- Issue #5949: added check for correct lineends in input from IMAP server
96 in imaplib.
97
Raymond Hettinger64eaa202009-12-10 05:36:11 +000098- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
99
Antoine Pitrou4fad6bd2009-12-08 16:00:03 +0000100- Issue #6986: Fix crash in the JSON C accelerator when called with the
101 wrong parameter types. Patch by Victor Stinner.
102
Tarek Ziadéd26d5382009-12-06 09:30:47 +0000103- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is
104 generated in Distutils. Patch by Stephen Emslie.
105
Martin v. Löwis8ab31012009-12-03 21:14:10 +0000106- Issue #4120: Drop reference to CRT from manifest when building extensions with
107 msvc9compiler.
108
Raymond Hettinger6c8ee7a2009-11-30 21:55:17 +0000109- Issue #7410: deepcopy of itertools.count was resetting the count.
110
Antoine Pitroubcc63a82009-11-28 16:16:09 +0000111- Issue #4486: When an exception has an explicit cause, do not print its
112 implicit context too. This affects the `traceback` module as well as
113 built-in exception printing.
114
Senthil Kumarand884f8a2009-11-23 19:06:11 +0000115- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters
116
Tarek Ziadéfd9ac222009-11-19 05:41:34 +0000117- Issue #7354: distutils.tests.test_msvc9compiler - dragfullwindows can
118 be 2.
119
Raymond Hettingerb868e632009-11-19 01:02:56 +0000120- Issue #3976: pprint for sets, frozensets, and dicts now succeed when
121 they contain unorderable types.
122
Benjamin Peterson3a2249d2009-11-19 21:26:17 +0000123- Issue #5037: Proxy the __bytes__ special method instead to __bytes__ instead
124 of __str__.
Benjamin Petersona1f9c042009-11-19 03:10:36 +0000125
Lars Gustäbel7dfcef52009-11-18 21:11:27 +0000126- Issue #7341: Close the internal file object in the TarFile constructor in
127 case of an error.
128
Tarek Ziadé2cc70482009-11-18 10:19:38 +0000129- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
130 Windows box. Help provided by David Bolen.
131
Nick Coghlanb830a232009-11-15 23:27:31 +0000132- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch
133
Antoine Pitrou4def5152009-11-13 22:39:40 +0000134- Issue #7318: multiprocessing now uses a timeout when it fails to establish
135 a connection with another process, rather than looping endlessly. The
136 default timeout is 20 seconds, which should be amply sufficient for
137 local connections.
138
Antoine Pitrou959f3e52009-11-09 16:52:46 +0000139- Issue #7282: Fix a memory leak when an RLock was used in a thread other
140 than those started through `threading.Thread` (for example, using
141 `_thread.start_new_thread()`).
142
Brett Cannon3d26b952009-11-07 23:57:20 +0000143- Issue #7187: Importlib would not silence the IOError raised when trying to
144 write new bytecode when it was made read-only.
145
Antoine Pitroua9546072009-11-05 13:51:19 +0000146- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
147 which are part of a reference cycle.
148
Antoine Pitrou868b5782009-11-02 11:40:19 +0000149- Issue #6896: mailbox.Maildir now invalidates its internal cache each time
150 a modification is done through it. This fixes inconsistencies and test
151 failures on systems with slightly bogus mtime behaviour.
152
Gregory P. Smith6c4a7252009-11-01 20:36:24 +0000153- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
154
Gregory P. Smithfc1c75d2009-11-01 18:48:31 +0000155- Issue #7246 & Issue #7208: getpass now properly flushes input before
156 reading from stdin so that existing input does not confuse it and
157 lead to incorrect entry or an IOError. It also properly flushes it
158 afterwards to avoid the terminal echoing the input afterwards on
159 OSes such as Solaris.
160
Mark Dickinson9050bb22009-10-29 12:25:07 +0000161- Issue #7233: Fix a number of two-argument Decimal methods to make
162 sure that they accept an int or long as the second argument. Also
163 fix buggy handling of large arguments (those with coefficient longer
164 than the current precision) in shift and rotate.
165
Antoine Pitroua3af0eb2009-10-27 17:49:21 +0000166- Issue #7205: Fix a possible deadlock when using a BZ2File object from
167 several threads at once.
168
Tarek Ziadéc76bcea2009-10-25 23:16:51 +0000169- Issue #7071: byte-compilation in Distutils is now done with respect to
170 sys.dont_write_bytecode.
171
Mark Dickinson2d4fce22009-10-20 13:40:25 +0000172- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
173 larger than emax.
174
Antoine Pitroueda95e92009-10-19 19:47:59 +0000175- Issue #7080: locale.strxfrm() raises a MemoryError on 64-bit non-Windows
176 platforms, and assorted locale fixes by Derk Drukker.
177
Antoine Pitroue566bda2009-10-19 18:24:35 +0000178- Issue #5833: Fix extra space character in readline completion with the
179 GNU readline library version 6.0.
180
Senthil Kumaran11301632009-10-11 06:07:46 +0000181- Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment
182
R. David Murray290e9392009-10-10 00:57:04 +0000183- Issue #7082: When falling back to the MIME 'name' parameter, the
184 correct place to look for it is the Content-Type header.
185
Benjamin Peterson0c7f9c92009-10-09 21:53:27 +0000186- Make tokenize.detect_coding() normalize utf-8 and iso-8859-1 variants like the
187 builtin tokenizer.
188
Mark Dickinsonb0907612009-10-07 19:24:43 +0000189- Issue #7048: Force Decimal.logb to round its result when that result
190 is too large to fit in the current precision.
191
Antoine Pitrou384c9202009-09-21 21:42:29 +0000192- Issue #6236, #6348: Fix various failures in the I/O library under AIX
Antoine Pitroueda95e92009-10-19 19:47:59 +0000193 and other platforms, when using a non-gcc compiler. Patch by Derk Drukker.
Antoine Pitrou384c9202009-09-21 21:42:29 +0000194
Tarek Ziadé0cdc3692009-09-21 13:59:07 +0000195- Issue #6954: Fixed crash when using DISTUTILS_DEBUG flag in Distutils.
196
Thomas Heller49ac2ac2009-09-18 20:09:57 +0000197- Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...)
198 does now always result in NULL.
199
Thomas Heller35888e22009-09-18 19:46:56 +0000200- Issue #5042: Structure sub-subclass does now initialize correctly
201 with base class positional arguments.
202
Eric Smith53cda532009-09-18 13:59:58 +0000203- Issue #6882: Import uuid creates zombies processes.
204
Matthias Kloseb1117432009-09-13 15:31:14 +0000205- Issue #6635: Fix profiler printing usage message.
206
Matthias Klosed4337802009-09-13 15:29:48 +0000207- Issue #6888: pdb's alias command was broken when no arguments were given.
208
209- Issue #6795: int(Decimal('nan')) now raises ValueError instead of
210 returning NaN or raising InvalidContext. Also, fix infinite recursion
211 in long(Decimal('nan')).
212
213- Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
214 with no type specifier.
215
216- Issue #6239: ctypes.c_char_p return value must return bytes.
217
218- Issue #6838: Use a list to accumulate the value instead of
219 repeatedly concatenating strings in http.client's
220 HTTPResponse._read_chunked providing a significant speed increase
221 when downloading large files servend with a Transfer-Encoding of 'chunked'.
222
223- Have importlib raise ImportError if None is found in sys.modules for a
224 module.
225
226- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
227 payloads are now ordered by integer value rather than lexicographically.
228
229- Issue #6163: Fixed HP-UX runtime library dir options in
230 distutils.unixcompiler. Initial patch by Sridhar Ratnakumar and
231 Michael Haubenwallner.
232
233Extension Modules
234-----------------
235
Mark Dickinson015fa032009-10-08 16:02:50 +0000236- Issue #7078: Set struct.__doc__ from _struct.__doc__.
237
Matthias Klosed4337802009-09-13 15:29:48 +0000238- Issue #6848: Fix curses module build failure on OS X 10.6.
239
Mark Dickinson95078872009-10-04 18:47:48 +0000240Tests
241-----
242
R. David Murray14520952009-12-20 17:37:25 +0000243- Issue #7376: instead of running a self-test (which was failing) when called
244 with no arguments, doctest.py now gives a usage message.
245
R. David Murrayc009b442009-12-14 22:57:04 +0000246- Issue #7498: test_multiprocessing now uses test.support.find_unused_port
247 instead of a hardcoded port number in test_rapid_restart.
248
R. David Murray8054a5d2009-12-04 00:13:33 +0000249- Issue #7431: use TESTFN in test_linecache instead of trying to create a
250 file in the Lib/test directory, which might be read-only for the
251 user running the tests.
252
R. David Murray9f9b46c2009-11-15 00:35:37 +0000253- Issue #7324: add a sanity check to regrtest argument parsing to
254 catch the case of an option with no handler.
255
Antoine Pitrouca154092009-11-13 16:31:51 +0000256- Issue #6551: test_zipimport could import and then destroy some modules of
257 the encodings package, which would make other tests fail further down
258 the road because the internally cached encoders and decoders would point
259 to empty global variables.
260
Antoine Pitroub78ba6b2009-11-11 21:01:33 +0000261- Issue #7295: Do not use a hardcoded file name in test_tarfile.
262
Antoine Pitrou959f3e52009-11-09 16:52:46 +0000263- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
264 primitives such as Lock, RLock, Condition, Event and Semaphore.
265
Brett Cannon142d2362009-11-05 01:34:30 +0000266- Issue #7248 (part 2): Use a unique temporary directory for importlib source
267 tests instead of tempfile.tempdir. This prevents the tests from sharing state
268 between concurrent executions on the same system.
269
270- Issue #7248: In importlib.test.source.util a try/finally block did not make
271 sure that some referenced objects actually were created in the block before
272 calling methods on the object.
273
Antoine Pitrou56e00ca2009-10-27 13:08:37 +0000274- Issue #7055: test___all__ now greedily detects all modules which have an
275 __all__ attribute, rather than using a hardcoded and incomplete list.
276
R. David Murray6bf5a2e82009-10-07 23:54:53 +0000277- Issue #7058: Added save/restore for argv and os.environ to runtest_inner
278 in regrtest, with warnings if the called test modifies them.
279
Mark Dickinson95078872009-10-04 18:47:48 +0000280- Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6.
281
Benjamin Petersonbb81c8c2010-01-09 21:54:39 +0000282C-API
283-----
284
285- Make PyUnicode_CompareWithASCIIString return not equal if the Python string
286 has '\0' at the end.
287
Matthias Klosed4337802009-09-13 15:29:48 +0000288Build
289-----
290
Martin v. Löwis5330aa52009-12-22 10:48:47 +0000291- Switch to OpenSSL 0.9.8l on Windows.
292
Mark Dickinsonee2dd4a2009-10-31 10:20:38 +0000293- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
294 compiles correctly under gcc on x86-64. This fixes a reported
295 problem with the --with-tsc build on x86-64.
296
Matthias Klosed4337802009-09-13 15:29:48 +0000297- Issue #6802: Fix build issues on MacOSX 10.6
298
299- Issue #6801 : symmetric_difference_update also accepts |.
300 Thanks to Carl Chenet.
301
Ronald Oussoren8c067812009-12-24 14:24:05 +0000302- Issue #7541: when using ``python-config`` with a framework install the compiler might
303 use the wrong library.
304
Matthias Klosed4337802009-09-13 15:29:48 +0000305Documentation
306-------------
307
308- Issue #6556: Fixed the Distutils configuration files location explanation
309 for Windows.
310
311
312What's New in Python 3.1.1?
313===========================
314
315*Release date: 2009-08-13*
316
317Core and Builtins
318-----------------
319
Benjamin Peterson044446b2009-08-15 13:25:28 +0000320- Issue #6707: dir() on an uninitialized module caused a crash.
321
Georg Brandl069bcc32009-07-22 12:06:11 +0000322- Issue #6540: Fixed crash for bytearray.translate() with invalid parameters.
323
Raymond Hettinger63853bb2009-07-27 20:29:18 +0000324- Issue #6573: set.union() stopped processing inputs if an instance of self
325 occurred in the argument chain.
326
R. David Murray10fc3952009-07-19 02:25:02 +0000327- Issue #6070: On posix platforms import no longer copies the execute bit
328 from the .py file to the .pyc file if it is set.
329
Amaury Forgeot d'Arc79fa5ab2009-07-07 00:45:43 +0000330- Issue #6428: Since Python 3.0, the __bool__ method must return a bool
331 object, and not an int. Fix the corresponding error message, and the
332 documentation.
333
Mark Dickinson8c1e2942009-06-30 15:46:37 +0000334- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
335 This fixes a build failure on HP-UX: int32_t and uint32_t are
336 defined in inttypes.h instead of stdint.h on that platform.
337
Amaury Forgeot d'Arc41a28732009-07-01 00:50:34 +0000338- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and
Amaury Forgeot d'Arce5344d62009-06-29 22:38:54 +0000339 the 'surrogateescape' error handler, a string which contains unpaired
340 surrogates.
341
Benjamin Petersone39d5d52009-07-02 22:02:15 +0000342C-API
343-----
344
Mark Dickinsond0ed0db2009-12-03 11:01:53 +0000345- Issue #7414: 'C' code wasn't being skipped properly (for keyword arguments)
346 in PyArg_ParseTupleAndKeywords.
347
Georg Brandl878c3b02009-08-13 08:36:43 +0000348- Issue #6624: yArg_ParseTuple with "s" format when parsing argument with
349 NUL: Bogus TypeError detail string.
350
Antoine Pitrou992d3d12009-08-06 21:01:42 +0000351- Issue #6405: Remove duplicate type declarations in descrobject.h.
Benjamin Petersonb166ffd2009-07-03 13:33:17 +0000352
Benjamin Petersone39d5d52009-07-02 22:02:15 +0000353- The code flags for old __future__ features are now available again.
354
Benjamin Petersone8fb2032009-06-27 22:03:18 +0000355Library
356-------
357
Georg Brandle6700e92009-08-13 08:39:33 +0000358- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
359 DO/DONT correctly.
360
Georg Brandl8a038b22009-08-13 07:52:08 +0000361- Issue #6126: Fixed pdb command-line usage.
362
Antoine Pitrou0473e562009-08-06 20:52:43 +0000363- Issue #6629: Fix a data corruption issue in the new I/O library, which could
364 occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
365 "wb+" mode) after having buffered a certain amount of data for reading. This
366 bug was not present in the pure Python implementation.
367
Mark Dickinson825b9932009-08-06 16:08:07 +0000368- Issue #6622: Fix "local variable 'secret' referenced before
369 assignment" bug in POP3.apop.
370
Raymond Hettinger99a13ee2009-08-04 19:13:37 +0000371- Issue #6637: defaultdict.copy() did not work when the default factory
372 was left unspecified. Also, the eval/repr round-trip would fail when
373 the default_factory was None.
374
Mark Dickinson34776ca2009-08-02 20:09:59 +0000375- Issue #2715: Remove remnants of Carbon.File from binhex module.
376
Mark Dickinson8d238292009-08-02 10:16:33 +0000377- Issue #6595: The Decimal constructor now allows arbitrary Unicode
Georg Brandle6700e92009-08-13 08:39:33 +0000378decimal digits in input, as recommended by the standard. Previously
379it was restricted to accepting [0-9].
Mark Dickinson8d238292009-08-02 10:16:33 +0000380
R. David Murraya44c6b32009-07-29 15:40:30 +0000381- Issues #5155, #5313, #5331: multiprocessing.Process._bootstrap was
Georg Brandle6700e92009-08-13 08:39:33 +0000382unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
383descriptor errors
R. David Murraya44c6b32009-07-29 15:40:30 +0000384
Senthil Kumaran0ac1f832009-07-26 12:39:47 +0000385- Issue #1424152: Fix for http.client, urllib.request to support SSL while
Georg Brandle6700e92009-08-13 08:39:33 +0000386working through proxy. Original patch by Christopher Li, changes made by
387Senthil Kumaran
Senthil Kumaran0ac1f832009-07-26 12:39:47 +0000388
Brett Cannon2e3155e2009-07-20 03:22:43 +0000389- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
Georg Brandle6700e92009-08-13 08:39:33 +0000390the documentation said it did even though the code in PyLoader relied on the
391abstract method required by ResourceLoader.
Brett Cannon2e3155e2009-07-20 03:22:43 +0000392
Mark Dickinson8d156432009-07-18 14:43:10 +0000393- Issue #6431: Make Fraction type return NotImplemented when it doesn't
Georg Brandle6700e92009-08-13 08:39:33 +0000394know how to handle a comparison without loss of precision. Also add
395correct handling of infinities and nans for comparisons with float.
Mark Dickinson8d156432009-07-18 14:43:10 +0000396
Antoine Pitrou992d3d12009-08-06 21:01:42 +0000397- Issue #6415: Fixed warnings.warn segfault on bad formatted string.
Hirokazu Yamamoto680ac292009-07-17 07:02:18 +0000398
Amaury Forgeot d'Arc041b3ba2009-07-11 09:37:09 +0000399- Issue #6358: The exit status of a command started with os.popen() was
Georg Brandle6700e92009-08-13 08:39:33 +0000400reported differently than it did with python 2.x.
Amaury Forgeot d'Arc041b3ba2009-07-11 09:37:09 +0000401
Amaury Forgeot d'Arcd31d4f22009-07-09 23:20:02 +0000402- Issue #6323: The pdb debugger did not exit when running a script with a
Georg Brandle6700e92009-08-13 08:39:33 +0000403syntax error.
Amaury Forgeot d'Arcd31d4f22009-07-09 23:20:02 +0000404
Georg Brandlae83d6e2009-08-13 09:04:31 +0000405- Issue #3392: The subprocess communicate() method no longer fails in select()
406 when file descriptors are large; communicate() now uses poll() when possible.
407
Antoine Pitrou53f4ed72009-07-01 15:03:38 +0000408- Issue #6369: Fix an RLE decompression bug in the binhex module.
409
Hirokazu Yamamoto4e82f2d2009-06-29 15:02:36 +0000410- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
411
Georg Brandlae83d6e2009-08-13 09:04:31 +0000412- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
413 sys.path.
414
415Extension Modules
416-----------------
417
Brett Cannon0c811072009-08-13 19:59:04 +0000418- Fix a segfault in expat.
419
Georg Brandlae83d6e2009-08-13 09:04:31 +0000420- Issue #4509: array.array objects are no longer modified after an operation
421 failing due to the resize restriction in-place when the object has exported
422 buffers.
423
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +0000424Build
425-----
426
Benjamin Petersona09e8702010-01-01 16:29:51 +0000427- Issue #6491: Allow --with-dbmliborder to specify that no dbms will be built.
428
Benjamin Petersonf9a6dab2009-12-30 03:06:54 +0000429- Issue #7589: Only build the nis module when the correct header files are
430 found.
431
Amaury Forgeot d'Arc7e077242009-07-02 23:57:11 +0000432- Issue 4601: 'make install' did not set the appropriate permissions on
Georg Brandle6700e92009-08-13 08:39:33 +0000433directories.
Amaury Forgeot d'Arc7e077242009-07-02 23:57:11 +0000434
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +0000435- Issue 5390: Add uninstall icon independent of whether file
Georg Brandle6700e92009-08-13 08:39:33 +0000436extensions are installed.
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +0000437
Brett Cannon10e35b32009-07-20 00:19:49 +0000438Test
439----
440
441- Fix a test in importlib.test.source.test_abc_loader that was incorrectly
Georg Brandle6700e92009-08-13 08:39:33 +0000442testing when a .pyc file lacked an code object bytecode.
Brett Cannon10e35b32009-07-20 00:19:49 +0000443
Benjamin Petersone8fb2032009-06-27 22:03:18 +0000444
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000445What's New in Python 3.1?
446=========================
447
448*Release date: 27-June-2009*
449
450Core and Builtins
451-----------------
452
Mark Dickinsonad195562009-06-24 19:01:32 +0000453- Issue #6334: Fix bug in range length calculation for ranges with
Georg Brandle6700e92009-08-13 08:39:33 +0000454large arguments.
Mark Dickinsonad195562009-06-24 19:01:32 +0000455
Raymond Hettinger159eac92009-06-23 20:38:54 +0000456- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
Georg Brandle6700e92009-08-13 08:39:33 +0000457because it wasn't recognized as a sequence).
Raymond Hettinger159eac92009-06-23 20:38:54 +0000458
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000459Library
460-------
461
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000462- Issue #6314: logging.basicConfig() performs extra checks on the "level"
Georg Brandle6700e92009-08-13 08:39:33 +0000463argument.
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000464
Facundo Batista10706e22009-06-19 20:34:30 +0000465- Issue #6274: Fixed possible file descriptors leak in subprocess.py
466
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000467- Accessing io.StringIO.buffer now raises an AttributeError instead of
Georg Brandle6700e92009-08-13 08:39:33 +0000468io.UnsupportedOperation.
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000469
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000470- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Georg Brandle6700e92009-08-13 08:39:33 +0000471(On Unix)
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +0000472
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000473- Issue #1202: zipfile module would cause a struct.error when attempting to
Georg Brandle6700e92009-08-13 08:39:33 +0000474store files with a CRC32 > 2**31-1.
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000475
Matthias Kloseab2b7552009-06-22 13:05:52 +0000476Extension Modules
477-----------------
478
479- Issue #5590: Remove unused global variable in pyexpat extension.
480
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000481
Antoine Pitrou3b1b8072009-05-30 21:01:23 +0000482What's New in Python 3.1 Release Candidate 2?
483=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000484
Benjamin Petersonc7c12282009-06-13 13:15:04 +0000485*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000486
487Core and Builtins
488-----------------
489
Raymond Hettinger94f55832009-06-12 18:40:16 +0000490- Fixed SystemError triggered by "range([], 1, -1)".
491
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000492- Issue #5924: On Windows, a large PYTHONPATH environment variable
Georg Brandle6700e92009-08-13 08:39:33 +0000493(more than 255 characters) would be completely ignored.
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000494
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000495- Issue #4547: When debugging a very large function, it was not always
Georg Brandle6700e92009-08-13 08:39:33 +0000496possible to update the lineno attribute of the current frame.
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000497
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000498- Issue #5330: C functions called with keyword arguments were not reported by
Georg Brandlb75111c2009-08-13 12:27:52 +0000499 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000500
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000501Library
502-------
503
Tarek Ziadé41fe2822009-07-12 08:39:08 +0000504- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
Georg Brandle6700e92009-08-13 08:39:33 +0000505expression string pattern was trying to match against a bytes returned by
506Popen. Tested under win32 to build the py-postgresql project.
Tarek Ziadé41fe2822009-07-12 08:39:08 +0000507
Martin v. Löwis83eacca2009-06-12 17:31:41 +0000508- Issue #6258: Support AMD64 in bdist_msi.
509
R. David Murray58641de2009-06-12 15:33:19 +0000510- Issue #6195: fixed doctest to no longer try to read 'source' data from
Georg Brandle6700e92009-08-13 08:39:33 +0000511binary files.
R. David Murray58641de2009-06-12 15:33:19 +0000512
Vinay Sajipaffbd872009-06-11 10:11:47 +0000513- Issue #5262: Fixed bug in next rollover time computation in
Georg Brandle6700e92009-08-13 08:39:33 +0000514TimedRotatingFileHandler.
Vinay Sajipaffbd872009-06-11 10:11:47 +0000515
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000516- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
Georg Brandle6700e92009-08-13 08:39:33 +0000517errors property. Additionally, the errors and encoding properties of StringIO
518are always None now.
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000519
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000520- Issue #6137: The pickle module now translates module names when loading
Georg Brandle6700e92009-08-13 08:39:33 +0000521or dumping pickles with a 2.x-compatible protocol, in order to make data
522sharing and migration easier. This behaviour can be disabled using the
523new `fix_imports` optional argument.
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000524
Raymond Hettinger40925d22009-06-04 18:32:39 +0000525- Removed the ipaddr module.
526
Georg Brandlb54d8012009-06-04 09:11:51 +0000527- Issue #3613: base64.{encode,decode}string are now called
Georg Brandle6700e92009-08-13 08:39:33 +0000528base64.{encode,decode}bytes which reflects what type they accept and return.
529The old names are still there as deprecated aliases.
Georg Brandlb54d8012009-06-04 09:11:51 +0000530
Georg Brandl317185a2009-06-04 09:00:56 +0000531- Issue #5767: Remove sgmlop support from xmlrpc.client.
532
Martin v. Löwis74b7e442009-06-01 04:23:07 +0000533- Issue #6150: Fix test_unicode on wide-unicode builds.
534
Antoine Pitrouc06de472009-05-30 21:04:26 +0000535- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
Georg Brandle6700e92009-08-13 08:39:33 +0000536parameters.
Antoine Pitrouc06de472009-05-30 21:04:26 +0000537
Martin v. Löwis79b13872009-06-01 04:13:14 +0000538Windows
539-------
540
Martin v. Löwisb7a51562009-06-07 17:55:17 +0000541- Issue #6221: Delete test registry key before running the test.
542
Martin v. Löwis79b13872009-06-01 04:13:14 +0000543- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
544
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +0000545C-API
546-----
547
548- Issue #5735: Python compiled with --with-pydebug should throw an
549 ImportError when trying to import modules compiled without
550 --with-pydebug, and vice-versa.
551
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000552
Brett Cannonc6d936e2009-06-07 20:09:53 +0000553Build
554-----
555
556- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
557 added LIBS to OS X framework builds.
558
Ronald Oussoren99aab652009-06-08 21:22:57 +0000559- Issue #5809: Specifying both --enable-framework and --enable-shared is
560 an error. Configure now explicity tells you about this.
561
562
Brett Cannonc6d936e2009-06-07 20:09:53 +0000563
Mark Dickinson4eb88b32009-05-11 16:41:34 +0000564What's New in Python 3.1 release candidate 1?
565=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000566
Benjamin Petersone6ad3872009-05-30 15:30:16 +0000567*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000568
569Core and Builtins
570-----------------
571
Martin v. Löwis8ed91b22009-05-29 16:22:26 +0000572- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
573 of the command line.
574
Martin v. Löwisc15bdef2009-05-29 14:47:46 +0000575- Issue #6012: Add cleanup support to O& argument parsing.
576
Eric Smith41669ca2009-05-23 14:23:22 +0000577- Issue #6089: Fixed str.format with certain invalid field specifiers
578 that would raise SystemError.
579
Raymond Hettinger2bcde142009-05-29 04:52:27 +0000580- Issue #5982: staticmethod and classmethod now expose the wrapped
581 function with __func__.
582
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +0000583- Added support for multiple context managers in the same with-statement.
584 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +0000585
Mark Dickinson6b1e43b2009-05-20 18:41:04 +0000586- Issue #5829: complex("1e500") no longer raises OverflowError. This
587 makes it consistent with float("1e500") and interpretation of real
588 and imaginary literals.
589
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +0000590- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
591
R. David Murraydd226ea2009-05-13 12:27:21 +0000592- Issue #5994: the marshal module now has docstrings.
593
Mark Dickinsond1ec8b22009-05-11 15:45:15 +0000594- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
595 (1) inf and nan strings with trailing whitespace were incorrectly
596 rejected; (2) parsing of strings representing infinities and nans
597 was locale aware; and (3) the interpretation of fromhex('-nan')
598 didn't match that of float('-nan').
599
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000600Library
601-------
602
Martin v. Löwisb6a748b2009-05-29 15:23:17 +0000603- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
604
R. David Murrayfb123912009-05-28 18:19:00 +0000605- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
606
R. David Murray1f1b9d32009-05-27 20:56:59 +0000607- Issue #6121: pydoc now ignores leading and trailing spaces in the
608 argument to the 'help' function.
609
Georg Brandlfaf41492009-05-26 18:31:11 +0000610- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
611 arguments for strings with a space in them.
612
Raymond Hettinger089ba7f2009-05-27 00:38:24 +0000613- collections.namedtuple() was not working with the following field
614 names: cls, self, tuple, itemgetter, and property.
615
Benjamin Peterson14a3dd72009-05-25 00:51:58 +0000616- In unittest, using a skipping decorator on a class is now equivalent to
617 skipping every test on the class. The ClassTestSuite class has been removed.
618
Martin v. Löwis70ccd162009-05-24 19:47:22 +0000619- Issue #6050: Don't fail extracting a directory from a zipfile if
620 the directory already exists.
621
Antoine Pitrou61f77b52009-05-24 15:46:13 +0000622- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
623 than an int, which makes some operations possible under 64-bit Linux (e.g.
624 DN_MULTISHOT with F_NOTIFY).
625
Antoine Pitrou716c4442009-05-23 19:04:03 +0000626- Issue #5761: Add the name of the underlying file to the repr() of various
627 IO objects.
628
R. David Murraycaa27b72009-05-23 18:49:56 +0000629- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
630 by Musashi Tamura, tests by Marcin Bachry.
631
Antoine Pitrouc3ee1662009-05-23 16:02:33 +0000632- Issue #1983: Fix functions taking or returning a process identifier to use
633 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
634 a process identifier type wider than the standard C integer type.
635
R. David Murray87e20742009-05-23 01:30:26 +0000636- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
637 Patch by Farhan Ahmad, test by Marcin Bachry.
638
Antoine Pitrou6e610062009-05-15 17:04:50 +0000639- Issue #2116: Weak references and weak dictionaries now support copy()ing and
640 deepcopy()ing.
641
Antoine Pitrouc1d09362009-05-15 12:15:51 +0000642- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
643
Antoine Pitrou37d1c182009-05-14 21:54:00 +0000644- Issue #5918: Fix a crash in the parser module.
645
Antoine Pitrou2ca24f02009-05-14 21:30:46 +0000646- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
647
Antoine Pitroue4501852009-05-14 18:55:55 +0000648- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
649 library. This means, for example, that opening an UTF-16 text file in
650 append mode doesn't add a BOM at the end of the file if the file isn't
651 empty.
652
R. David Murray74b89242009-05-13 17:33:03 +0000653- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
654 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
655 corrects a pydoc regression.
656
R. David Murray99352742009-05-07 18:24:38 +0000657- Issue 5955: aifc's close method did not close the file it wrapped,
658 now it does. This also means getfp method now returns the real fp.
659
Benjamin Peterson932073a2009-05-23 16:14:33 +0000660Installation
661------------
662
663- Issue #6047: fullinstall has been removed because Python 3's executable will
664 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000665
Ronald Oussorenbe7149e2009-05-26 21:39:08 +0000666- Lib/smtpd.py is no longer installed as a script.
667
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000668Extension Modules
669-----------------
670
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +0000671- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +0000672
Martin v. Löwise23c8682009-05-29 16:01:34 +0000673- Issue #4873: Fix resource leaks in error cases of pwd and grp.
674
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000675- Issue #6093: Fix off-by-one error in locale.strxfrm.
676
Benjamin Peterson744af442009-05-23 18:51:49 +0000677- The _functools and _locale modules are now built into the libpython shared
678 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +0000679
Antoine Pitrou20327222009-05-24 20:39:11 +0000680Build
681-----
682
683- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
684 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
685 Clinton Roy.
686
Brett Cannon1262e7c2009-05-11 01:47:11 +0000687Tests
688-----
689
690- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
691 tests on darwin even when the OS was installed on a case-sensitive
692 filesystem. Also fixed tests that should not be run when
693 sys.dont_write_bytecode is true.
694
695
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000696What's New in Python 3.1 beta 1?
697================================
698
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +0000699*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000700
701Core and Builtins
702-----------------
703
Mark Dickinson865e01a2009-05-07 16:37:01 +0000704- Issue #5914: Add new C API function PyOS_string_to_double, and
705 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
706
Eric Smith741191f2009-05-06 13:08:15 +0000707- Issue #3382: float.__format__, complex.__format__, and %-formatting
708 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
709 affects nan -> NAN and inf -> INF.
710
Mark Hammond5a607a32009-05-06 08:04:54 +0000711- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
712 in all operations, including splitdrive, split, etc. splitunc() now issues
713 a PendingDeprecation warning.
714
Eric Smith63376222009-05-05 14:04:18 +0000715- Issue #5920: For float.__format__, change the behavior with the
716 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
717 to be like 'g' but with at least one decimal point and with a
718 default precision of 12. Previously, the behavior the same but with
719 a default precision of 6. This more closely matches str(), and
720 reduces surprises when adding alignment flags to the empty
721 presentation type. This also affects the new complex.__format__ in
722 the same way.
723
Martin v. Löwis011e8422009-05-05 04:43:17 +0000724- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
725
R. David Murrayb18500d2009-05-04 22:59:07 +0000726- Issue #5890: in subclasses of 'property' the __doc__ attribute was
727 shadowed by classtype's, even if it was None. property now
728 inserts the __doc__ into the subclass instance __dict__.
729
Antoine Pitrou244651a2009-05-04 18:56:13 +0000730- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
731 sequences. Patch by Nick Barnes and Victor Stinner.
732
Martin v. Löwise0a2b722009-05-10 08:08:56 +0000733- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +0000734
Benjamin Petersond2e0c792009-05-01 20:40:59 +0000735- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
736 received a new method, detach(). detach() disconnects the underlying stream
737 from the buffer or text IO and returns it.
738
Mark Dickinson33841c32009-05-01 15:37:04 +0000739- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
740 floats with absolute value over 1e50. Also remove length
741 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
742 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +0000743
Eric Smith741191f2009-05-06 13:08:15 +0000744- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +0000745 format(complex(1, 2./3), '.5') now produces a sensible result.
746
Mark Dickinsond3ca5572009-04-29 18:47:07 +0000747- Issue #5864: Fix empty format code formatting for floats so that it
748 never gives more than the requested number of significant digits.
749
Eric Smith6dc46f52009-04-27 20:39:49 +0000750- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
751 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
752
Eric Smithcc32a112009-04-26 21:35:14 +0000753- Issue #5835: Deprecate PyOS_ascii_formatd.
754
Martin v. Löwis71efeb72009-04-26 01:02:07 +0000755- Issue #4971: Fix titlecase for characters that are their own
756 titlecase, but not their own uppercase.
757
Benjamin Peterson193152c2009-04-25 01:08:45 +0000758- Issue #5283: Setting __class__ in __del__ caused a segfault.
759
Mark Dickinsonad476da2009-04-23 19:14:16 +0000760- Issue #5816: complex(repr(z)) now recovers z exactly, even when
761 z involves nans, infs or negative zeros.
762
Mark Dickinson4a16e3a2009-04-23 19:15:48 +0000763- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +0000764
Mark Dickinsone6a076d2009-04-18 11:48:33 +0000765- Issue #1869 (and many duplicates): make round(x, n) correctly
766 rounded for a float x, by using the decimal <-> binary conversions
767 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
768 consistently agrees with format(x, '.2f').
769
Benjamin Petersonae937c02009-04-18 20:54:08 +0000770- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
771 some builtin types.
772
Eric Smith0923d1d2009-04-16 20:16:10 +0000773- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
774
Eric Smith35e84722009-04-16 20:21:28 +0000775- Issue #5515: str.format() type 'n' combined with commas and leading
776 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +0000777
778- Implement PEP 378, Format Specifier for Thousands Separator, for
779 floats.
780
Mark Dickinson3370cce2009-04-17 22:40:53 +0000781- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000782 1e11, not 1e12. This avoids printing 13 significant digits in
783 situations where only 12 of them are correct. Example problem
784 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
785 long time.)
786
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000787- Issue #1580: On most platforms, use a 'short' float repr: for a
788 finite float x, repr(x) now outputs a string based on the shortest
789 sequence of decimal digits that rounds to x. Previous behaviour was
790 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +0000791 Another minor difference is that the new repr switches to
792 exponential notation at 1e16 instead of the previous 1e17; this
793 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000794
795 There's a new sys attribute sys.float_repr_style, which takes
796 the value 'short' to indicate that we're using short float repr,
797 and 'legacy' if the short float repr isn't available for one
798 reason or another.
799
800 The float repr change involves incorporating David Gay's 'perfect
801 rounding' code into the Python core (it's in Python/dtoa.c). As a
802 secondary consequence, all string-to-float and float-to-string
803 conversions (including all float formatting operations) will be
804 correctly rounded on these platforms.
805
806 See issue 1580 discussions for details of platforms for which
807 this change does not apply.
808
Benjamin Peterson2808d3c2009-04-15 21:34:27 +0000809- Issue #5759: float() didn't call __float__ on str subclasses.
810
Georg Brandlabc38772009-04-12 15:51:51 +0000811- The string.maketrans() function is deprecated; there is a new static method
812 maketrans() on the bytes and bytearray classes. This removes confusion about
813 the types string.maketrans() is supposed to work with, and mirrors the
814 methods available on the str class.
815
R. David Murraydc6da8a2009-04-09 22:16:43 +0000816- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
817 its clarity and its speed.
818
Matthias Klose091c7b12009-04-07 13:24:27 +0000819- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
820 to avoid compiler warnings.
821
Walter Dörwald8dc33d52009-05-06 14:41:26 +0000822- Issue #3739: The unicode-internal encoder now reports the number of characters
823 consumed like any other encoder (instead of the number of bytes).
824
Benjamin Peterson0b4915e2009-04-25 21:11:45 +0000825Installation
826------------
827
828- Issue #5756: Install idle and pydoc with a 3 suffix.
829
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000830Library
831-------
832
Martin v. Löwis403117a2009-05-24 19:19:17 +0000833- Issue #5311: bdist_msi can now build packages that do not depend on a
834 specific Python version.
835
Raymond Hettingereb816952009-05-29 01:22:18 +0000836- Issue #5150: IDLE's format menu now has an option to strip trailing
837 whitespace.
838
Vinay Sajipaffbd872009-06-11 10:11:47 +0000839- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +0000840 the right type checkings anymore.
841
Thomas Heller00cfc372009-05-05 19:04:40 +0000842- Issue #4875: On win32, ctypes.util.find_library does no longer
843 return directories.
844
Georg Brandl243ad662009-05-05 09:00:19 +0000845- Issue #5142: Add the ability to skip modules while stepping to pdb.
846
Georg Brandl991f9202009-05-05 08:31:54 +0000847- Issue #1309567: Fix linecache behavior of stripping subdirectories when
848 looking for files given by a relative filename.
849
Georg Brandleaa84ef2009-05-05 08:14:33 +0000850- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
851 turtle demos in Demo/turtle.
852
Antoine Pitrou3c33e082009-05-04 21:21:36 +0000853- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
854 extracting a file to the root directory.
855
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +0000856- Issue #5913: os.listdir() should fail for empty path on windows.
857
Antoine Pitroua9f48a02009-05-02 21:41:14 +0000858- Issue #5084: unpickling now interns the attribute names of pickled objects,
859 saving memory and avoiding growth in size of subsequent pickles. Proposal
860 and original patch by Jake McGuire.
861
Benjamin Petersonc6b607d2009-05-02 12:36:44 +0000862- The json module now works exclusively with str and not bytes.
863
Gregory P. Smithe54dff52009-05-01 22:13:48 +0000864- Issue #3959: The ipaddr module has been added to the standard library.
865 Contributed by Google.
866
Antoine Pitrou7fff0962009-05-01 21:09:44 +0000867- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
868 error when a named pipe is encountered, rather than blocking infinitely.
869
Raymond Hettinger1f0db402009-04-29 00:38:08 +0000870- Issue #5857: tokenize.tokenize() now returns named tuples.
871
Thomas Hellerc1edc2d2009-04-28 19:55:58 +0000872- Issue #4305: ctypes should now build again on mipsel-linux-gnu
873
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +0000874- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
875 string is already in normalized form, by performing a quick check beforehand.
876 Original patch by Rauli Ruohonen.
877
Antoine Pitrou57f3d932009-04-27 21:04:19 +0000878- Issue #5853: calling a function of the mimetypes module from several threads
879 at once could hit the recursion limit if the mimetypes database hadn't been
880 initialized before.
881
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000882- Issue #5854: Updated __all__ to include some missing names and remove some
883 names which should not be exported.
884
Thomas Heller34596a92009-04-24 20:50:00 +0000885- Issue #3102: All global symbols that the _ctypes extension defines
886 are now prefixed with 'Py' or '_ctypes'.
887
888- Issue #5041: ctypes does now allow pickling wide character.
889
Mark Dickinsond4d95f82009-04-24 14:06:19 +0000890- Issue #5812: For the two-argument form of the Fraction constructor,
891 Fraction(m, n), m and n are permitted to be arbitrary Rational
892 instances.
893
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +0000894- Issue #5812: Fraction('1e6') is valid: more generally, any string
895 that's valid for float() is now valid for Fraction(), with the
896 exception of strings representing NaNs and infinities.
897
Antoine Pitroucf4c7492009-04-19 00:09:36 +0000898- Issue #5734: BufferedRWPair was poorly tested and had several glaring
899 bugs. Patch by Brian Quinlan.
900
R. David Murray9e94ddf2009-04-13 17:06:33 +0000901- Issue #1161031: fix readwrite select flag handling: POLLPRI now
902 results in a handle_expt_event call, not handle_read_event, and POLLERR
903 and POLLNVAL now call handle_close, not handle_expt_event. Also,
904 dispatcher now has an 'ignore_log_types' attribute for suppressing
905 log messages, which is set to 'warning' by default.
906
Matthias Klosea3d29e82009-04-07 13:13:10 +0000907- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
908 new arguments introduced in 2.5.
909
Walter Dörwald1b08b302009-04-25 14:13:56 +0000910- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
911 makeunicodedata.py and regenerated the Unicode database (This fixes
912 u'\u1d79'.lower() == '\x00').
913
Matthias Klose535336f2009-04-07 13:49:45 +0000914Extension Modules
915-----------------
916
Benjamin Petersone04b6272009-05-04 22:25:21 +0000917- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
918 pwd.
919
Mark Dickinsonea835e72009-04-19 20:40:33 +0000920- Issue #5463: In struct module, remove deprecated float coercion
921 for integer type codes: struct.pack('L', 0.3) should now raise
922 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
923 The version number has been bumped to 0.3.
924
Matthias Klose535336f2009-04-07 13:49:45 +0000925- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
926 using Berkley-DB.
927
Nick Coghlan47384702009-04-22 16:13:36 +0000928Tests
929-----
930
931- Issue #5354: New test support function import_fresh_module() makes
932 it easy to import both normal and optimised versions of modules.
933 test_heapq and test_warnings have been adjusted to use it, tests for
934 other modules with both C and Python implementations in the stdlib
935 can be adjusted to use it over time.
936
Walter Dörwald4ba80132009-04-25 12:48:43 +0000937- Issue #5837: Certain sequences of calls to set() and unset() for
938 support.EnvironmentVarGuard objects restored the environment variables
939 incorrectly on __exit__.
940
Benjamin Petersonb173f782009-05-05 22:31:58 +0000941C-API
942-----
943
944- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
945
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000946
Benjamin Petersond1735892009-03-07 18:46:21 +0000947What's New in Python 3.1 alpha 2?
948=================================
949
Benjamin Peterson88f14352009-04-04 21:06:52 +0000950*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +0000951
952Core and Builtins
953-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +0000954
Eric Smith1e1d7d22009-04-03 22:25:33 +0000955- Implement PEP 378, Format Specifier for Thousands Separator, for
956 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +0000957
Benjamin Peterson8f76b492009-04-03 22:22:42 +0000958- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
959
Benjamin Peterson7fe98532009-04-02 00:33:55 +0000960- Issue #5499: The 'c' code for argument parsing functions now only accepts a
961 byte, and the 'C' code only accepts a unicode character.
962
Georg Brandl406b3d82009-04-11 21:24:37 +0000963- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
964 when hitting the recursion limit under certain circumstances.
965
Brett Cannon0759dd62009-04-01 18:13:07 +0000966- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
967
Georg Brandlab6f2f62009-03-31 04:16:10 +0000968- Fix a segfault when running test_exceptions with coverage, caused by
969 insufficient checks in accessors of Exception.__context__.
970
Guido van Rossum0ad59d42009-03-30 22:01:35 +0000971- Issue #5604: non-ASCII characters in module name passed to
972 imp.find_module() were converted to UTF-8 while the path is
973 converted to the default filesystem encoding, causing nonsense.
974
Benjamin Peterson09832742009-03-26 17:15:46 +0000975- Issue #5126: str.isprintable() returned False for space characters.
976
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +0000977- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
978 the end sys.path, for compatibility with the system install of Python.
979
Antoine Pitrou3a652b12009-03-23 18:52:06 +0000980- Issue #4688: Add a heuristic so that tuples and dicts containing only
981 untrackable objects are not tracked by the garbage collector. This can
982 reduce the size of collections and therefore the garbage collection overhead
983 on long-running programs, depending on their particular use of datatypes.
984
Mark Dickinson17e4fdd2009-03-23 18:44:57 +0000985- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
986 improve its performance. Long divisions and remainder operations
987 are now between 50% and 150% faster.
988
Mark Dickinsonbd792642009-03-18 20:06:12 +0000989- Issue #4258: Make it possible to use base 2**30 instead of base
990 2**15 for the internal representation of integers, for performance
991 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
992 --enable-big-digits option to configure, which overrides the
993 default. Add sys.int_info structseq to provide information about
994 the internal format.
995
Mark Dickinson081dfee2009-03-18 14:47:41 +0000996- Issue #4474: PyUnicode_FromWideChar now converts characters outside
997 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
998 and sizeof(Py_UNICODE) == 2.
999
Eric Smith8ec90442009-03-14 12:29:34 +00001000- Issue #5237: Allow auto-numbered fields in str.format(). For
1001 example: '{} {}'.format(1, 2) == '1 2'.
1002
Antoine Pitrou652e7072009-03-13 19:25:20 +00001003- Issue #5392: when a very low recursion limit was set, the interpreter would
1004 abort with a fatal error after the recursion limit was hit twice.
1005
Matthias Klose042f1332009-04-04 14:32:42 +00001006- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
1007 short file names.
1008
Benjamin Petersond1735892009-03-07 18:46:21 +00001009Library
1010-------
1011
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001012- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +00001013 mailbox.MH.get_message().
1014
Hye-Shik Chang944820b2009-04-02 10:33:16 +00001015- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
1016 error substitutions from non-strict codec error callbacks in
1017 incrementalencoder and StreamWriter.
1018
Georg Brandl33c28812009-04-01 23:07:29 +00001019- Issue #5656: Fix the coverage reporting when running the test suite with
1020 the -T argument.
1021
Raymond Hettinger3f10a952009-04-01 19:05:50 +00001022- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
1023
Georg Brandl4ed72ac2009-04-01 04:28:33 +00001024- Issue #5624: Fix the _winreg module name still used in several modules.
1025
Benjamin Petersona1b49012009-03-31 23:11:32 +00001026- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
1027
Jesse Nollera9314042009-03-31 22:36:44 +00001028- Issue #5619: Multiprocessing children disobey the debug flag and causes
1029 popups on windows buildbots. Patch applied to work around this issue.
1030
Jesse Noller32d68c22009-03-31 18:48:42 +00001031- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
1032
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +00001033- Issue #5387: Fixed mmap.move crash by integer overflow.
1034
Jesse Nollerf8d00852009-03-31 03:25:07 +00001035- Issue #5261: Patch multiprocessing's semaphore.c to support context
1036 manager use: "with multiprocessing.Lock()" works now.
1037
Brett Cannon7f6b4f82009-03-30 21:30:26 +00001038- Issue #5236: Change time.strptime() to only take strings. Didn't work with
1039 bytes already but the failure was non-obvious.
1040
Jesse Noller7af4ef82009-03-30 16:47:15 +00001041- Issue #5177: Multiprocessing's SocketListener class now uses
1042 socket.SO_REUSEADDR on all connections so that the user no longer needs
1043 to wait 120 seconds for the socket to expire.
1044
Benjamin Peterson48e24782009-03-29 13:02:52 +00001045- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
1046
Antoine Pitrou66994e12009-03-29 00:45:26 +00001047- Issue #1174606: Calling read() without arguments of an unbounded file
1048 (typically /dev/zero under Unix) could crash the interpreter.
1049
Benjamin Peterson59406a92009-03-26 17:10:29 +00001050- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
1051 io.BufferedRandom have been deprecated for removal in Python 3.2.
1052
Lars Gustäbel42e00912009-03-22 20:34:29 +00001053- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
1054 forever on incomplete input. That caused tarfile.open() to hang when used
1055 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
1056 partial bzip2 compressed data.
1057
Mark Dickinson79f52032009-03-17 23:12:51 +00001058- Issue #2110: Add support for thousands separator and 'n' type
1059 specifier to Decimal.__format__
1060
Mark Dickinson9c59fe02009-03-17 18:15:08 +00001061- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
1062 '>' alignment characters.
1063
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +00001064- The error detection code in FileIO.close() could fail to reflect the `errno`
1065 value, and report it as -1 instead.
1066
Antoine Pitroua28fcfd2009-03-13 23:42:55 +00001067- Issue #5016: FileIO.seekable() could return False if the file position
1068 was negative when truncated to a C int. Patch by Victor Stinner.
1069
Mark Dickinsonae681df2009-03-21 10:26:31 +00001070Extension Modules
1071-----------------
1072
Benjamin Petersone099b372009-04-04 17:09:35 +00001073- Issue #5391: mmap now deals exclusively with bytes.
1074
Mark Dickinsonae681df2009-03-21 10:26:31 +00001075- Issue #5463: In struct module, remove deprecated overflow wrapping
1076 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +00001077 struct.error instead of returning b'\xff\xff\xff\xff'. The
1078 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
1079 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +00001080
Benjamin Petersond1735892009-03-07 18:46:21 +00001081
Benjamin Petersona58a6262009-03-07 16:34:40 +00001082What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +00001083================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001084
Benjamin Petersona58a6262009-03-07 16:34:40 +00001085*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001086
1087Core and Builtins
1088-----------------
1089
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +00001090- The io module has been reimplemented in C for speed.
1091
Raymond Hettingerb0d56af2009-03-03 10:52:49 +00001092- Give dict views an informative __repr__.
1093
Eric Smith5e5c0db2009-02-20 14:25:03 +00001094- Issue #5247: Improve error message when unknown format codes are
1095 used when using str.format() with str, int, and float arguments.
1096
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +00001097- Issue #5249: time.strftime returned malformed string when format string
1098 contained non ascii character on windows.
1099
Benjamin Petersonf5b52242009-03-02 23:31:26 +00001100- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
1101 source has already been decoded into str.
1102
Antoine Pitrou79eee6b2009-02-13 14:01:05 +00001103- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
1104 rotating the object pointer by 4 bits to the right.
1105
Mark Dickinson87ec0852009-02-09 17:15:59 +00001106- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
1107 it now forces its argument to double before testing for infinity.
1108
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +00001109- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
1110 returns a non-number type.
1111
Benjamin Peterson87618552009-02-08 15:00:52 +00001112- Issue #5182: Removed memoryview.__str__.
1113
Mark Dickinsonc008a172009-02-01 13:59:22 +00001114- Issue #1717: Removed builtin cmp() function, dropped tp_compare
1115 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +00001116 the type definition cmpfunc. The tp_compare slot has been renamed
1117 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +00001118
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001119- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +00001120 were suppressing all exceptions. These include list() and bytearray().
1121
Mark Dickinson1124e712009-01-28 21:25:58 +00001122- Issue #4707: round(x, n) now returns an integer if x is an integer.
1123 Previously it returned a float.
1124
Antoine Pitroub52ec782009-01-25 16:34:23 +00001125- Issue #4753: By enabling a configure option named '--with-computed-gotos'
1126 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
1127 evaluation loop is compiled with a new dispatch mechanism which gives
1128 speedups of up to 20%, depending on the system, on various benchmarks.
1129
Antoine Pitrou81fabdb2009-01-22 10:11:36 +00001130- Issue #4874: Most builtin decoders now reject unicode input.
1131
Mark Dickinson9ffc0202009-01-20 20:45:53 +00001132- Issue #4842: Don't allow trailing 'L' when constructing an integer
1133 from a string.
1134
Benjamin Peterson05e782f2009-01-19 15:15:02 +00001135- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
1136
Antoine Pitroue4bc7f62009-01-17 21:06:43 +00001137- Issue #4838: When a module is deallocated, free the memory backing the
1138 optional module state data.
1139
Mark Dickinson8055afd2009-01-17 10:04:45 +00001140- Issue #4910: Rename nb_long slot to nb_reserved, and change its
1141 type to (void *).
1142
Antoine Pitrou8d4e5052009-01-13 22:59:11 +00001143- Issue #4935: The overflow checking code in the expandtabs() method common
1144 to str, bytes and bytearray could be optimized away by the compiler, letting
1145 the interpreter segfault instead of raising an error.
1146
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +00001147- Issue #3720: Fix a crash when an iterator modifies its class and removes its
1148 __next__ method.
1149
Mark Dickinsone5e298f2009-01-12 20:49:19 +00001150- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
1151 function no longer attempt to call the __long__ slot to convert an object
1152 to an integer. Only the __int__ and __trunc__ slots are examined.
1153
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +00001154- Issue #4893: Use NT threading on CE.
1155
Martin v. Löwisec59d042009-01-12 07:59:10 +00001156- Issue #4915: Port sysmodule to Windows CE.
1157
Antoine Pitrouab868312009-01-10 15:40:25 +00001158- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
1159 common cases are optimized thanks to a dedicated fast path and a moderate
1160 amount of loop unrolling.
1161
Antoine Pitrou14b78f52009-01-09 22:27:08 +00001162- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
1163 collecting the oldest generation) so that allocating lots of objects without
1164 destroying them does not show quadratic performance. Based on a proposal by
1165 Martin von Löwis at
1166 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
1167
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001168- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +00001169 having been closed (for instance, a read() call could return some
1170 previously buffered data). Patch by Dmitry Vasiliev.
1171
Antoine Pitrou05608432009-01-09 18:53:14 +00001172- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
1173 flag to work properly. Furthermore, when specifying -u, the text stdout
1174 and stderr streams have line-by-line buffering enabled (the default being
1175 to buffer arbitrary chunks of data).
1176
Raymond Hettinger35631532009-01-09 03:58:09 +00001177- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
1178 instead of ints (reducing its size from 4 to 8 times thereby reducing
1179 Python's overall memory).
1180
Antoine Pitroud35cbf62009-01-06 19:02:24 +00001181- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
1182 an existing .py counterpart, override the co_filename attributes of all
1183 code objects if the original filename is obsolete (which can happen if the
1184 file has been renamed, moved, or if it is accessed through different paths).
1185 Patch by Ziga Seilnacht and Jean-Paul Calderone.
1186
Antoine Pitrouc3b39242009-01-03 16:59:18 +00001187- Issue #4580: Fix slicing of memoryviews when the item size is greater than
1188 one byte. Also fixes the meaning of len() so that it returns the number of
1189 items, rather than the size in bytes.
1190
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001191- Issue #4075: Use OutputDebugStringW in Py_FatalError.
1192
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +00001193- Issue #4747: When the terminal does not use utf-8, executing a script with
1194 non-ascii characters in its name could fail with a "SyntaxError: None" error.
1195
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001196- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +00001197 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001198
Antoine Pitrou7ddda782009-01-01 15:35:33 +00001199- Issue #3680: Reference cycles created through a dict, set or deque iterator
1200 did not get collected.
1201
Nick Coghlanf1f2f682008-12-30 07:29:12 +00001202- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
1203 where the tp_hash and tp_dict slots are both NULL.
1204
Georg Brandlccc47b62008-12-28 11:44:14 +00001205- Issue #4759: None is now allowed as the first argument of
1206 bytearray.translate(). It was always allowed for bytes.translate().
1207
Skip Montanaro80072cb2008-12-23 03:51:14 +00001208- Added test case to ensure attempts to read from a file opened for writing
1209 fail.
1210
Antoine Pitrou51f3ef92008-12-20 13:14:23 +00001211- Issue #3106: Speedup some comparisons (str/str and int/int).
1212
Antoine Pitrouf289ae62008-12-18 11:06:25 +00001213- Issue #2183: Simplify and optimize bytecode for list, dict and set
1214 comprehensions. Original patch for list comprehensions by Neal Norwitz.
1215
Antoine Pitrou621601a2008-12-17 23:18:19 +00001216- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
1217 print elapsed times, not only when some objects are uncollectable /
1218 unreachable. Original patch by Neil Schemenauer.
1219
Mark Dickinson54bc1ec2008-12-17 16:19:07 +00001220- Issue #3439: Add a bit_length method to int.
1221
Mark Dickinsonda2706b2008-12-11 18:03:03 +00001222- Issue #2173: When getting device encoding, check that return value of
1223 nl_langinfo is not the empty string. This was causing silent build
1224 failures on OS X.
1225
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +00001226- Issue #4597: Fixed several opcodes that weren't always propagating
1227 exceptions.
1228
1229- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +00001230 context manager returns a value that cannot be converted to a bool.
1231
Mark Dickinsonfd24b322008-12-06 15:33:31 +00001232- Issue #4445: Replace "sizeof(PyBytesObject)" with
1233 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
1234 bytes instances. On a typical machine this saves 3 bytes of memory
1235 (on average) per allocation of a bytes instance.
1236
Christian Heimesa872de52008-12-05 08:26:55 +00001237- Issue #4533: File read operation was dreadfully slow due to a slowly
1238 growing read buffer. Fixed by using the same growth rate algorithm as
1239 Python 2.x.
1240
Antoine Pitrou5504e892008-12-06 21:27:53 +00001241- Issue #4509: Various issues surrounding resize of bytearray objects to
1242 which there are buffer exports (e.g. memoryview instances).
1243
Georg Brandlf9734072008-12-07 15:30:06 +00001244- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
1245 method on file objects with closefd=False. The file descriptor is still
1246 kept open but the file object behaves like a closed file. The ``FileIO``
1247 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +00001248
Antoine Pitroubc420402008-12-07 20:14:49 +00001249- Issue #4569: Interpreter crash when mutating a memoryview with an item size
1250 larger than 1.
1251
Benjamin Peterson371ccfb2008-12-27 19:03:36 +00001252- Issue #4748: Lambda generators no longer return a value.
1253
Gregory P. Smithccc5ae72009-03-02 05:21:55 +00001254- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
1255
Walter Dörwaldc1651a02009-05-03 22:55:55 +00001256- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
1257 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
1258 step. This avoids problems with counting UTF-8 bytes that ignores the effect
1259 of using the replace error handler in PyUnicode_DecodeUTF8().
1260
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001261Library
1262-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001263
Tarek Ziadé53fdb182009-10-24 13:42:10 +00001264- Issue #7066: archive_util.make_archive now restores the cwd if an error is
1265 raised. Initial patch by Ezio Melotti.
1266
Tarek Ziadé3cc12f62009-07-22 09:03:01 +00001267- Issue #6545: Removed assert statements in distutils.Extension, so the
1268 behavior is similar when used with -O.
1269
Tarek Ziadé24448fa2009-07-11 11:01:14 +00001270- Issue #6459: distutils.command.build_ext.get_export_symbols now uses the
1271 "PyInit" prefix, rather than "init".
1272
Georg Brandld80344f2009-08-13 12:26:19 +00001273- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
1274
Tarek Ziadé7e646002009-07-10 09:16:07 +00001275- Issue #6455: Fixed test_build_ext under win32.
1276
Tarek Ziadé35c88a82009-07-04 02:05:51 +00001277- Issue #6413: Fixed the log level in distutils.dist for announce.
1278
Tarek Ziadé385029f2009-07-03 08:37:27 +00001279- Issue #6403: Fixed package path usage in build_ext.
1280
Tarek Ziadé2c3de402009-06-29 16:46:14 +00001281- Issue #6365: Distutils build_ext inplace mode was copying the compiled
1282 extension in a subdirectory if the extension name had dots.
1283
Tarek Ziadé5e06a652009-06-16 07:43:42 +00001284- Issue #6287: Added the license field in Distutils documentation.
1285
Tarek Ziadéff543362009-06-11 09:25:41 +00001286- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
1287
Tarek Ziadéabcc3f42009-06-11 08:31:17 +00001288- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
1289 in Makefiles. This prevents compile errors when using syntax like:
1290 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
1291
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +00001292- Issue #6131: test_modulefinder leaked when run after test_distutils.
1293 Patch by Hirokazu Yamamoto.
1294
Tarek Ziadé77c8b372009-05-28 13:01:13 +00001295- Issue #6048: Now Distutils uses the tarfile module in archive_util.
1296
Vinay Sajipaffbd872009-06-11 10:11:47 +00001297- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +00001298 and tests on pywin32 by Tim Golden.
1299
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +00001300- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
1301
Tarek Ziadéd18a84e2009-05-18 08:07:46 +00001302- Issue #6046: Fixed the library extension when distutils build_ext is used
1303 inplace. Initial patch by Roumen Petrov.
1304
Vinay Sajipaffbd872009-06-11 10:11:47 +00001305- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +00001306 subcommand.
1307
Tarek Ziadé4210c6e2009-05-14 20:20:47 +00001308- Issue #6022: a test file was created in the current working directory by
1309 test_get_outputs in Distutils.
1310
Tarek Ziadéff0e5002009-05-12 17:14:01 +00001311- Issue #5977: distutils build_ext.get_outputs was not taking into account the
1312 inplace option. Initial patch by kxroberto.
1313
Tarek Ziadé06fbee12009-05-10 10:34:01 +00001314- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
1315 for old-style extensions.
1316
Tarek Ziadébe5b1b92009-05-09 10:09:11 +00001317- Issue #5976: Fixed Distutils test_check_environ.
1318
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00001319- Issue #5941: Distutils build_clib command was not working anymore because
1320 of an incomplete costumization of the archiver command. Added ARFLAGS in the
1321 Makefile besides AR and make Distutils use it. Original patch by David
1322 Cournapeau.
1323
R. David Murrayb507d2e2009-04-29 15:34:32 +00001324- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
1325
Vinay Sajipaffbd872009-06-11 10:11:47 +00001326- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +00001327 anymore.
1328
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001329- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +00001330 sysconfig.get_config_vars.
1331
Tarek Ziadé23336082009-04-25 12:39:56 +00001332- Issue #4951: Fixed failure in test_httpservers.
1333
Thomas Hellerd3cfe992009-04-24 20:10:24 +00001334- Issue #5795: Fixed test_distutils failure on Debian ppc.
1335
Tarek Ziadé822e1d42009-04-13 12:37:57 +00001336- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
1337
Georg Brandl1f9fa312009-04-27 16:42:58 +00001338- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
1339 a value in SafeConfigParser.
1340
Tarek Ziadéf396ecf2009-04-11 15:00:43 +00001341- Issue #5732: added a new command in Distutils: check.
1342
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001343- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +00001344 platforms. Initial patch by Paul Moore.
1345
Tarek Ziadéf6370502009-04-05 22:57:21 +00001346- Issue #5095: Added bdist_msi to the list of bdist supported formats.
1347 Initial fix by Steven Bethard.
1348
Tarek Ziadé889b0aa2009-04-05 21:49:36 +00001349- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
1350 Initial fix by Wayne Davison.
1351
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001352- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +00001353
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001354- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +00001355
Brett Cannonf47e84c2009-04-01 16:06:01 +00001356- Issue #1665206 (partially): Move imports in cgitb to the top of the module
1357 instead of performing them in functions. Helps prevent import deadlocking in
1358 threads.
1359
R. David Murraye59482e2009-04-01 03:42:00 +00001360- Issue #2522: locale.format now checks its first argument to ensure it has
1361 been passed only one pattern, avoiding mysterious errors where it appeared
1362 that it was failing to do localization.
1363
Tarek Ziadéb2e36f12009-03-31 22:37:55 +00001364- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
1365 Brandl.
1366
Antoine Pitrou350370c2009-03-14 00:13:13 +00001367- Issue #1222: locale.format() bug when the thousands separator is a space
1368 character.
1369
Tarek Ziadé516db942009-03-11 12:52:00 +00001370- Issue #5472: Fixed distutils.test_util tear down. Original patch by
1371 Tim Golden.
1372
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +00001373- collections.deque() objects now have a read-only attribute called maxlen.
1374
Guilherme Polof45b4cc2009-03-07 02:19:14 +00001375- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
1376 it is has been populated and properly configured in order to prevent
1377 window flashing.
1378
Guilherme Polo56f5be52009-03-07 01:54:57 +00001379- Issue #4792: Prevent a segfault in _tkinter by using the
1380 guaranteed to be safe interp argument given to the PythonCmd in place of
1381 the Tcl interpreter taken from a PythonCmd_ClientData.
1382
1383- Issue #5193: Guarantee that tkinter.Text.search returns a string.
1384
Tarek Ziadé63b64c02009-03-07 00:51:53 +00001385- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
1386 Original patch by Akira Kitada.
1387
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00001388- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
1389
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00001390- Issue #5385: Fixed mmap crash after resize failure on windows.
1391
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00001392- Issue #5179: Fixed subprocess handle leak on failure on windows.
1393
Raymond Hettinger2d32f632009-03-02 21:24:57 +00001394- PEP 372: Added collections.OrderedDict().
1395
Raymond Hettingera4f52b12009-03-02 22:28:31 +00001396- The _asdict() for method for namedtuples now returns an OrderedDict().
1397
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00001398- configparser now defaults to using an ordered dictionary.
1399
Benjamin Petersone0124bd2009-03-09 21:04:33 +00001400- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
1401 import guess_extension`` was used.
1402
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00001403- Issue #1733986: Fixed mmap crash in accessing elements of second map object
1404 with same tagname but larger size than first map. (Windows)
1405
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00001406- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
1407 overrun.
1408
Tarek Ziadéf0721222009-02-28 10:16:43 +00001409- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
1410 bdist_rpm command.
1411
1412- Issue #5378: added --quiet option to Distutils bdist_rpm command.
1413
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001414- Issue #5052: make Distutils compatible with 2.3 again.
1415
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00001416- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
1417 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001418
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001419- Issue #5287: Add exception handling around findCaller() call to help out
1420 IronPython.
1421
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00001422- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
1423 The file was resized to wrong size.
1424
1425- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
1426
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001427- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00001428 from the package_data and the data_files metadata.
1429
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001430- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00001431 support.TempdirManager, to avoid writing in the tests directory.
1432
Tarek Ziadé68c50952009-02-13 23:04:17 +00001433- Issue #4524: distutils build_script command failed with --with-suffix=3.
1434 Initial patch by Amaury Forgeot d'Arc.
1435
Tarek Ziadé811d6242009-02-13 22:26:15 +00001436- Issue #2461: added tests for distutils.util
1437
Mark Dickinsonc28ad272009-02-12 17:58:36 +00001438- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
1439 which inherited from numbers.py which did not have __slots__ defined. The
1440 numbers hierarchy now has its own __slots__ declarations.
1441
Antoine Pitroub353c122009-02-11 00:39:14 +00001442- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
1443 encoding.
1444
Thomas Heller465c8022009-02-10 18:59:04 +00001445- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
1446 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
1447
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00001448- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
1449 under NT and OS2. Patch by Philip Jenvey.
1450
Brett Cannonbefb14f2009-02-10 02:10:16 +00001451- Issue #5128: Make compileall properly inspect bytecode to determine if needs
1452 to be recreated. This avoids a timing hole thanks to the old reliance on the
1453 ctime of the files involved.
1454
Guilherme Polob681df42009-02-09 22:33:59 +00001455- Issue #5122: Synchronize tk load failure check to prevent a potential
1456 deadlock.
1457
Benjamin Petersona86f2c02009-02-10 02:41:10 +00001458- Issue #1818: collections.namedtuple() now supports a keyword argument
1459 'rename' which lets invalid fieldnames be automatically converted to
1460 positional names in the form, _1, _2, ...
1461
Guilherme Poloae098992009-02-09 16:44:24 +00001462- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
1463
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00001464- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
1465 public documented method ``ZipImporter.get_filename()``.
1466
Nick Coghlan3f48ae32009-02-08 01:58:26 +00001467- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
1468 the execution of packages by looking for and executing a ``__main__``
1469 submodule when a package name is supplied. Initial patch by Andi
1470 Vajda.
1471
Guilherme Polo491aee22009-02-06 23:16:11 +00001472- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
1473 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
1474 Tkapp_Call when calling from a thread different than the one that created
1475 the Tcl interpreter. Patch by Robert Hancock.
1476
Eric Smith0e5b5622009-02-06 01:32:42 +00001477- Issue #4285: Change sys.version_info to be a named tuple. Patch by
1478 Ross Light.
1479
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001480- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00001481 environment/Makefile. Patch by Douglas Greiman.
1482
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00001483- Issue #1276768: The verbose option was not used in the code of
1484 distutils.file_util and distutils.dir_util.
1485
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001486- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00001487 --enabled-shared activated. Initial patch by Dave Peterson.
1488
Guilherme Polo7f423952009-02-02 21:17:09 +00001489- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
1490
Raymond Hettinger85602262009-02-03 04:19:10 +00001491- The shelve module now defaults to pickle protocol 3.
1492
Brett Cannone61426e2009-01-30 01:31:34 +00001493- Fix a bug in the trace module where a bytes object from co_lnotab had its
1494 items being passed through ord().
1495
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00001496- Issue #2047: shutil.move() could believe that its destination path was
1497 inside its source path if it began with the same letters (e.g. "src" vs.
1498 "src.new").
1499
Guilherme Polo5f238482009-01-28 14:41:10 +00001500- Added the ttk module. See issue #2983: Ttk support for Tkinter.
1501
Raymond Hettinger89e12962009-01-26 02:09:03 +00001502- Removed isSequenceType(), isMappingType, and isNumberType() from the
1503 operator module; use the abstract base classes instead. Also removed
1504 the repeat() function; use mul() instead.
1505
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001506- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00001507 collections.namedtuple() relied on __name__ being defined.
1508
1509- Backport importlib from Python 3.1. Only the import_module() function has
1510 been backported to help facilitate transitions from 2.7 to 3.1.
1511
Tarek Ziadé0302cf52009-01-26 17:23:20 +00001512- Issue #1885: distutils. When running sdist with --formats=tar,gztar
1513 the tar file was overriden by the gztar one.
1514
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00001515- Issue #4863: distutils.mwerkscompiler has been removed.
1516
Raymond Hettingerd07d9392009-01-27 04:20:44 +00001517- Added a new itertools functions: combinations_with_replacement()
1518 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00001519
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001520- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00001521 allowed non-integer arguments.
1522
Jesse Noller41faa542009-01-25 03:45:53 +00001523- Fix and properly document the multiprocessing module's logging
1524 support, expose the internal levels and provide proper usage
1525 examples.
1526
Mark Dickinsoncddcf442009-01-24 21:46:33 +00001527- Issue #1672332: fix unpickling of subnormal floats, which was
1528 producing a ValueError on some platforms.
1529
Martin v. Löwisacbf4612009-01-24 16:19:45 +00001530- Issue #3881: Help Tcl to load even when started through the
1531 unreadable local symlink to "Program Files" on Vista.
1532
Martin v. Löwis59e47792009-01-24 14:10:07 +00001533- Issue #4710: Extract directories properly in the zipfile module;
1534 allow adding directories to a zipfile.
1535
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001536- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00001537 --without-threads argument. When this occurs, _multiprocessing will
1538 be disabled, and not compiled.
1539
Antoine Pitrou08838b62009-01-21 00:55:13 +00001540- Issue #5008: When a file is opened in append mode with the new IO library,
1541 do an explicit seek to the end of file (so that e.g. tell() returns the
1542 file size rather than 0). This is consistent with the behaviour of the
1543 traditional 2.x file object.
1544
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001545- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
1546 parameter was set.
1547
Mark Dickinson8dd05142009-01-20 20:43:58 +00001548- Issue #4842: Always append a trailing 'L' when pickling longs using
1549 pickle protocol 0. When reading, the 'L' is optional.
1550
Brett Cannonafccd632009-01-20 02:21:27 +00001551- Add the importlib package.
1552
Jesse Noller9a0fc972009-01-18 21:12:58 +00001553- Issue #4301: Patch the logging module to add processName support, remove
1554 _check_logger_class from multiprocessing.
1555
Jesse Noller1cbb17a2009-01-18 19:45:18 +00001556- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001557 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00001558
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00001559- Issue #4959: inspect.formatargspec now works for keyword only arguments
1560 without defaults.
1561
Jesse Noller6214edd2009-01-19 16:23:53 +00001562- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
1563 for *nix machines for negative handles and large int handles. Without this check
1564 it is possible to segfault the interpreter.
1565
Jesse Nollerb0516a62009-01-18 03:11:38 +00001566- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
1567 in sharedctypes.py.
1568
1569- Issue #1225107: inspect.isclass() returned True for instances with a custom
1570 __getattr__.
1571
Gregory P. Smithde3369f2009-01-12 04:50:11 +00001572- Issue #3826 and #4791: The socket module now closes the underlying socket
1573 appropriately when it is being used via socket.makefile() objects
1574 rather than delaying the close by waiting for garbage collection to do it.
1575
Raymond Hettingerb8baf632009-01-14 02:20:07 +00001576- Issue #1696199: Add collections.Counter() for rapid and convenient
1577 counting.
1578
Antoine Pitrou308705e2009-01-10 16:22:51 +00001579- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
1580
Thomas Heller5e4e4272009-01-08 09:34:20 +00001581- Issue #4867: Fixed a crash in ctypes when passing a string to a
1582 function without defining argtypes.
1583
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00001584- Issue #4272: Add an optional argument to the GzipFile constructor to override
1585 the timestamp in the gzip stream. The default value remains the current time.
1586 The information can be used by e.g. gunzip when decompressing. Patch by
1587 Jacques Frechet.
1588
Mark Dickinson315a20a2009-01-04 21:34:18 +00001589- Restore Python 2.3 compatibility for decimal.py.
1590
Guilherme Polo3f5f8222009-01-03 22:00:39 +00001591- Issue #3638: Remove functions from _tkinter module level that depend on
1592 TkappObject to work with multiple threads.
1593
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001594- Issue #4718: Adapt the wsgiref package so that it actually works with
1595 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00001596 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
1597
Raymond Hettinger771ed762009-01-03 19:20:32 +00001598- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
1599 to the decimal module.
1600
Georg Brandl3a9b0622009-01-03 22:07:57 +00001601- Fractions.from_float() no longer loses precision for integers too big to
1602 cast as floats.
1603
Mark Dickinsonf9236412009-01-02 23:23:21 +00001604- Issue #4812: add missing underscore prefix to some internal-use-only
1605 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
1606
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001607- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00001608 did unnecessary work in the common case where no key function was specified.
1609
Georg Brandlb1441c72009-01-03 22:33:39 +00001610- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
1611 the function is not a generator.
1612
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001613- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
1614 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00001615
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001616- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00001617 function. Original patch by Thomas Heller.
1618
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00001619- Issue #3767: Convert Tk object to string in tkColorChooser.
1620
Martin v. Löwise354d782008-12-29 16:03:04 +00001621- Issue #3248: Allow placing ScrolledText in a PanedWindow.
1622
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00001623- Issue #4444: Allow assertRaises() to be used as a context handler, so that
1624 the code under test can be written inline if more practical.
1625
Georg Brandldb7b6b92009-01-01 15:53:14 +00001626- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
1627 works as expected in the interactive environment.
1628
Antoine Pitroudb5fe662008-12-27 15:50:40 +00001629- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
1630 Gabriel Genellina.
1631
Antoine Pitrou180a3362008-12-14 16:36:46 +00001632- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
1633 boundary.
1634
Nick Coghlanf088e5e2008-12-14 11:50:48 +00001635- Issue #4223: inspect.getsource() will now correctly display source code
1636 for packages loaded via zipimport (or any other conformant PEP 302
1637 loader). Original patch by Alexander Belopolsky.
1638
1639- Issue #4201: pdb can now access and display source code loaded via
1640 zipimport (or any other conformant PEP 302 loader). Original patch by
1641 Alexander Belopolsky.
1642
1643- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
1644 302 conformant loader) will now work correctly in most cases (they
1645 are still subject to the constraints that exist for all code running
1646 from inside a module loaded via a PEP 302 loader and attempting to
1647 perform IO operations based on __file__). Original patch by
1648 Alexander Belopolsky.
1649
1650- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
1651 allows backporting to maintenance branches. Original patch by
1652 Alexander Belopolsky.
1653
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00001654- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
1655 a non-ASCII letter.
1656
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00001657- Issue #4616: TarFile.utime(): Restore directory times on Windows.
1658
Benjamin Peterson433f32c2008-12-12 01:25:05 +00001659- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
1660 codec cannot be found. This is for compatibility with the builtin behavior.
1661
Facundo Batista708d5812008-12-11 04:20:07 +00001662- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
1663 give correct results in the case where one argument is a quiet NaN
1664 and the other is a finite number that requires rounding.
1665
Skip Montanaroc1ce2862008-12-06 17:25:02 +00001666- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
1667 libs.
1668
Georg Brandlf9734072008-12-07 15:30:06 +00001669- Added the subprocess.check_call_output() convenience function to get output
1670 from a subprocess on success or raise an exception on error.
1671
1672- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1673 support unusual filenames (such as those containing semi-colons) in
1674 Content-Disposition headers.
1675
1676- Issue #4384: Added logging integration with warnings module using
1677 captureWarnings(). This change includes a NullHandler which does nothing;
1678 it will be of use to library developers who want to avoid the "No handlers
1679 could be found for logger XXX" message which can appear if the library user
1680 doesn't configure logging.
1681
1682- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
1683 exception.
1684
Georg Brandleee31162008-12-07 15:15:22 +00001685- Issue #4529: fix the parser module's validation of try-except-finally
1686 statements.
1687
1688- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
1689 not a malformed option.
1690
1691- Added the subprocess.check_output() convenience function to get output
1692 from a subprocess on success or raise an exception on error.
1693
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00001694- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
1695 the corresponding tests now pass.
1696
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00001697- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
1698 it was calling the wrong open() function.
1699
Fred Drake9a0a65b2008-12-04 19:24:50 +00001700- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1701 support unusual filenames (such as those containing semi-colons) in
1702 Content-Disposition headers.
1703
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00001704- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
1705 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
1706
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00001707- Issue #5104: The socket module now raises OverflowError when 16-bit port and
1708 protocol numbers are supplied outside the allowed 0-65536 range on bind()
1709 and getservbyport().
1710
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00001711- Windows locale mapping updated to Vista.
1712
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001713Tools/Demos
1714-----------
1715
Antoine Pitrou8a681222009-02-07 17:13:31 +00001716- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
1717 and make it 2.6-compatible.
1718
Guilherme Poloa7d27972009-01-28 16:06:51 +00001719- Ttk demos added in Demo/tkinter/ttk/
1720
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001721- Issue #4677: add two list comprehension tests to pybench.
1722
Georg Brandlb1441c72009-01-03 22:33:39 +00001723
1724Build
1725-----
1726
Benjamin Petersonf53eec82009-05-23 19:36:27 +00001727- Issue #6094: Build correctly with Subversion 1.7.
1728
Martin v. Löwis8482ef92009-05-05 16:14:30 +00001729- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
1730
Antoine Pitrou8966c992009-05-01 21:18:27 +00001731- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
1732 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
1733
Matthias Klose55708cc2009-04-30 08:06:49 +00001734- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00001735 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00001736
Matthias Klose906785c2009-02-22 23:18:38 +00001737- Link the shared python library with $(MODLIBS).
1738
Martin v. Löwis11f72102009-02-10 13:13:30 +00001739- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
1740
Martin v. Löwisbc186a82009-02-02 15:32:22 +00001741- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
1742
Martin v. Löwise97637d2009-01-11 09:45:11 +00001743- Issue #4895: Use _strdup on Windows CE.
1744
Georg Brandlb1441c72009-01-03 22:33:39 +00001745- Issue #4472: "configure --enable-shared" now works on OSX
1746
1747- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
1748
1749- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
1750
1751- Issue #4289: Remove Cancel button from AdvancedDlg.
1752
1753- Issue #1656675: Register a drop handler for .py* files on Windows.
1754
1755- Issue #4120: Exclude manifest from extension modules in VS2008.
1756
1757- Issue #4091: Install pythonxy.dll in system32 again.
1758
1759- Issue #4018: Disable "for me" installations on Vista.
1760
1761- Issue #3758: Add ``patchcheck`` build target to .PHONY.
1762
1763- Issue #4204: Fixed module build errors on FreeBSD 4.
1764
1765
1766C-API
1767-----
1768
Mark Dickinson21776072009-02-10 16:13:25 +00001769- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
1770 for negative arguments. Previously, it raised TypeError.
1771
Georg Brandlb1441c72009-01-03 22:33:39 +00001772- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
1773
1774- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
1775 the GIL is released, or owned by another thread.
1776
1777- Issue #4122: On Windows, fix a compilation error when using the
1778 Py_UNICODE_ISSPACE macro in an extension module.
1779
1780
Mark Dickinsone675f082008-12-11 21:56:00 +00001781Extension Modules
1782-----------------
1783
Gregory P. Smith365a1862009-02-12 07:35:29 +00001784- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
1785 supporting objects as input no matter how it was compiled (built in
1786 implementations or external openssl library).
1787
Mark Dickinson29500f62009-01-15 15:36:10 +00001788- Issue #4397: Fix occasional test_socket failure on OS X.
1789
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00001790- Issue #4279: Fix build of parsermodule under Cygwin.
1791
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00001792- Issue #4751: hashlib now releases the GIL when hashing large buffers
1793 (with a hardwired threshold of 2048 bytes), allowing better parallelization
1794 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
1795
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001796- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
1797
Antoine Pitrou31f30b12009-01-02 17:34:35 +00001798- Issue #4738: Each zlib object now has a separate lock, allowing to compress
1799 or decompress several streams at once on multi-CPU systems. Also, the GIL
1800 is now released when computing the CRC of a large buffer. Patch by ebfe.
1801
Georg Brandlb1441c72009-01-03 22:33:39 +00001802- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
1803
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00001804- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
1805
Mark Dickinsone675f082008-12-11 21:56:00 +00001806- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
1807 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00001808
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00001809- Issue #4583: array.array would not always prohibit resizing when a buffer
1810 has been exported, resulting in an interpreter crash when accessing the
1811 buffer.
1812
Martin v. Löwis841edad2008-11-30 10:36:49 +00001813
Jack Diederiche0cbd692009-04-01 04:27:09 +00001814- Issue #5228: Make functools.partial objects can now be pickled.
1815
Guilherme Polo9de29af2009-01-28 20:40:48 +00001816Tests
1817-----
1818
Guilherme Polo2a998fa2009-06-21 17:40:07 +00001819- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
1820 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
1821 the same behaviour as test_ttkguionly (and now also test_tk) which is to
1822 skip the tests if DISPLAY is defined but can't be used.
1823
R. David Murraya21e4ca2009-03-31 23:16:50 +00001824- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001825 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00001826 from test support, which does the conversion.
1827
Guilherme Polo9de29af2009-01-28 20:40:48 +00001828- Issue #5083: New 'gui' resource for regrtest.
1829
1830
Brett Cannon7317c1e2008-11-25 19:19:17 +00001831Docs
1832----
1833
Georg Brandl52b92cc2008-05-25 09:43:03 +00001834
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001835**(For information about older versions, consult the HISTORY file.)**