blob: c3bbb64c054d4e6cc41fa236f08316a3988ad625 [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
Antoine Pitrou2795e6c2009-12-12 19:26:06 +000015- Issue #7466: segmentation fault when the garbage collector is called
16 in the middle of populating a tuple. Patch by Florent Xicluna.
17
Amaury Forgeot d'Arcea315ac2009-12-01 22:03:44 +000018- Issue #7419: setlocale() could crash the interpreter on Windows when called
19 with invalid values.
20
Amaury Forgeot d'Arc36dfe782009-11-30 00:16:44 +000021- Issue #6077: On Windows, files opened with tempfile.TemporaryFile in "wt+"
22 mode would appear truncated on the first '0x1a' byte (aka. Ctrl+Z).
23
Ronald Oussoren1b2cad02009-11-19 17:30:05 +000024- Issue #7085: Fix crash when importing some extensions in a thread
25 on MacOSX 10.6.
26
Mark Dickinsonb6447512009-11-15 10:17:48 +000027- Issue #7298: fixes for range and reversed(range(...)). Iteration
28 over range(a, b, c) incorrectly gave an empty iterator when a, b and
29 c fit in C long but the length of the range did not. Also fix
30 several cases where reversed(range(a, b, c)) gave wrong results, and
31 fix a refleak for reversed(range(a, b, c)) with large arguments.
32
Raymond Hettingera9311a32009-11-01 21:02:38 +000033- Issue #7244: itertools.izip_longest() no longer ignores exceptions
34 raised during the formation of an output tuple.
35
Benjamin Peterson7dc5ac52009-10-29 01:22:38 +000036- Issue #3297: On wide unicode builds, do not split unicode characters into
37 surrogates.
38
Antoine Pitroucefb3162009-10-20 22:08:36 +000039- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
40 fixes the problem of some exceptions being thrown at shutdown when the
41 interpreter is killed. Patch by Adam Olsen.
42
Antoine Pitrou96bb15b2009-10-14 17:18:54 +000043- Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when
Antoine Pitroueda95e92009-10-19 19:47:59 +000044 using byte values greater than 127. Patch by Derk Drukker.
Antoine Pitrou96bb15b2009-10-14 17:18:54 +000045
Mark Dickinson2bbeb0e2009-09-29 19:24:38 +000046- Issue #7019: Raise ValueError when unmarshalling bad long data, instead
47 of producing internally inconsistent Python longs.
48
Philip Jenvey962b05c2009-09-29 05:03:48 +000049- Issue #6990: Fix threading.local subclasses leaving old state around
50 after a reference cycle GC which could be recycled by new locals.
51
Mark Dickinson424d75a2009-09-06 10:20:23 +000052- Issue #6846: Fix bug where bytearray.pop() returns negative integers.
53
Amaury Forgeot d'Arcaf0312a2009-08-29 23:19:16 +000054- Issue #6750: A text file opened with io.open() could duplicate its output
55 when writing from multiple threads at the same time.
56
Matthias Klosed4337802009-09-13 15:29:48 +000057
58Library
59-------
60
Tarek Ziadéb7e82bb2009-12-21 23:18:02 +000061- Issue #7556: Make sure Distutils' msvc9compile reads and writes the
62 MSVC XML Manifest file in text mode so string patterns can be used
63 in regular expressions.
64
Tarek Ziadé63d14c02009-12-21 00:08:17 +000065- Issue #7552: Removed line feed in the base64 Authorization header in
66 the Distutils upload command to avoid an error when PyPI reads it.
67 This occurs on long passwords. Initial patch by JP St. Pierre.
68
Senthil Kumaran4b9fbeb2009-12-20 07:18:22 +000069- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
70 Tatsuhiro Tsujikawa.
71
Antoine Pitrouc8428d32009-12-14 18:23:30 +000072- Issue #4757: `zlib.compress` and other methods in the zlib module now
73 raise a TypeError when given an `str` object (rather than a `bytes`-like
74 object). Patch by Victor Stinner and Florent Xicluna.
75
Benjamin Peterson6b59f772009-12-13 19:30:15 +000076- Issue #7349: Make methods of file objects in the io module accept None as an
77 argument where file-like objects (ie StringIO and BytesIO) accept them to mean
78 the same as passing no argument.
79
R. David Murraya6cdd832009-12-12 18:38:24 +000080- Issue #5949: added check for correct lineends in input from IMAP server
81 in imaplib.
82
Raymond Hettinger64eaa202009-12-10 05:36:11 +000083- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
84
Antoine Pitrou4fad6bd2009-12-08 16:00:03 +000085- Issue #6986: Fix crash in the JSON C accelerator when called with the
86 wrong parameter types. Patch by Victor Stinner.
87
Tarek Ziadéd26d5382009-12-06 09:30:47 +000088- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is
89 generated in Distutils. Patch by Stephen Emslie.
90
Martin v. Löwis8ab31012009-12-03 21:14:10 +000091- Issue #4120: Drop reference to CRT from manifest when building extensions with
92 msvc9compiler.
93
Raymond Hettinger6c8ee7a2009-11-30 21:55:17 +000094- Issue #7410: deepcopy of itertools.count was resetting the count.
95
Antoine Pitroubcc63a82009-11-28 16:16:09 +000096- Issue #4486: When an exception has an explicit cause, do not print its
97 implicit context too. This affects the `traceback` module as well as
98 built-in exception printing.
99
Senthil Kumarand884f8a2009-11-23 19:06:11 +0000100- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters
101
Tarek Ziadéfd9ac222009-11-19 05:41:34 +0000102- Issue #7354: distutils.tests.test_msvc9compiler - dragfullwindows can
103 be 2.
104
Raymond Hettingerb868e632009-11-19 01:02:56 +0000105- Issue #3976: pprint for sets, frozensets, and dicts now succeed when
106 they contain unorderable types.
107
Benjamin Peterson3a2249d2009-11-19 21:26:17 +0000108- Issue #5037: Proxy the __bytes__ special method instead to __bytes__ instead
109 of __str__.
Benjamin Petersona1f9c042009-11-19 03:10:36 +0000110
Lars Gustäbel7dfcef52009-11-18 21:11:27 +0000111- Issue #7341: Close the internal file object in the TarFile constructor in
112 case of an error.
113
Tarek Ziadé2cc70482009-11-18 10:19:38 +0000114- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
115 Windows box. Help provided by David Bolen.
116
Nick Coghlanb830a232009-11-15 23:27:31 +0000117- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch
118
Antoine Pitrou4def5152009-11-13 22:39:40 +0000119- Issue #7318: multiprocessing now uses a timeout when it fails to establish
120 a connection with another process, rather than looping endlessly. The
121 default timeout is 20 seconds, which should be amply sufficient for
122 local connections.
123
Antoine Pitrou959f3e52009-11-09 16:52:46 +0000124- Issue #7282: Fix a memory leak when an RLock was used in a thread other
125 than those started through `threading.Thread` (for example, using
126 `_thread.start_new_thread()`).
127
Brett Cannon3d26b952009-11-07 23:57:20 +0000128- Issue #7187: Importlib would not silence the IOError raised when trying to
129 write new bytecode when it was made read-only.
130
Antoine Pitroua9546072009-11-05 13:51:19 +0000131- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
132 which are part of a reference cycle.
133
Antoine Pitrou868b5782009-11-02 11:40:19 +0000134- Issue #6896: mailbox.Maildir now invalidates its internal cache each time
135 a modification is done through it. This fixes inconsistencies and test
136 failures on systems with slightly bogus mtime behaviour.
137
Gregory P. Smith6c4a7252009-11-01 20:36:24 +0000138- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
139
Gregory P. Smithfc1c75d2009-11-01 18:48:31 +0000140- Issue #7246 & Issue #7208: getpass now properly flushes input before
141 reading from stdin so that existing input does not confuse it and
142 lead to incorrect entry or an IOError. It also properly flushes it
143 afterwards to avoid the terminal echoing the input afterwards on
144 OSes such as Solaris.
145
Mark Dickinson9050bb22009-10-29 12:25:07 +0000146- Issue #7233: Fix a number of two-argument Decimal methods to make
147 sure that they accept an int or long as the second argument. Also
148 fix buggy handling of large arguments (those with coefficient longer
149 than the current precision) in shift and rotate.
150
Antoine Pitroua3af0eb2009-10-27 17:49:21 +0000151- Issue #7205: Fix a possible deadlock when using a BZ2File object from
152 several threads at once.
153
Tarek Ziadéc76bcea2009-10-25 23:16:51 +0000154- Issue #7071: byte-compilation in Distutils is now done with respect to
155 sys.dont_write_bytecode.
156
Mark Dickinson2d4fce22009-10-20 13:40:25 +0000157- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
158 larger than emax.
159
Antoine Pitroueda95e92009-10-19 19:47:59 +0000160- Issue #7080: locale.strxfrm() raises a MemoryError on 64-bit non-Windows
161 platforms, and assorted locale fixes by Derk Drukker.
162
Antoine Pitroue566bda2009-10-19 18:24:35 +0000163- Issue #5833: Fix extra space character in readline completion with the
164 GNU readline library version 6.0.
165
Senthil Kumaran11301632009-10-11 06:07:46 +0000166- Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment
167
R. David Murray290e9392009-10-10 00:57:04 +0000168- Issue #7082: When falling back to the MIME 'name' parameter, the
169 correct place to look for it is the Content-Type header.
170
Benjamin Peterson0c7f9c92009-10-09 21:53:27 +0000171- Make tokenize.detect_coding() normalize utf-8 and iso-8859-1 variants like the
172 builtin tokenizer.
173
Mark Dickinsonb0907612009-10-07 19:24:43 +0000174- Issue #7048: Force Decimal.logb to round its result when that result
175 is too large to fit in the current precision.
176
Antoine Pitrou384c9202009-09-21 21:42:29 +0000177- Issue #6236, #6348: Fix various failures in the I/O library under AIX
Antoine Pitroueda95e92009-10-19 19:47:59 +0000178 and other platforms, when using a non-gcc compiler. Patch by Derk Drukker.
Antoine Pitrou384c9202009-09-21 21:42:29 +0000179
Tarek Ziadé0cdc3692009-09-21 13:59:07 +0000180- Issue #6954: Fixed crash when using DISTUTILS_DEBUG flag in Distutils.
181
Thomas Heller49ac2ac2009-09-18 20:09:57 +0000182- Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...)
183 does now always result in NULL.
184
Thomas Heller35888e22009-09-18 19:46:56 +0000185- Issue #5042: Structure sub-subclass does now initialize correctly
186 with base class positional arguments.
187
Eric Smith53cda532009-09-18 13:59:58 +0000188- Issue #6882: Import uuid creates zombies processes.
189
Matthias Kloseb1117432009-09-13 15:31:14 +0000190- Issue #6635: Fix profiler printing usage message.
191
Matthias Klosed4337802009-09-13 15:29:48 +0000192- Issue #6888: pdb's alias command was broken when no arguments were given.
193
194- Issue #6795: int(Decimal('nan')) now raises ValueError instead of
195 returning NaN or raising InvalidContext. Also, fix infinite recursion
196 in long(Decimal('nan')).
197
198- Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
199 with no type specifier.
200
201- Issue #6239: ctypes.c_char_p return value must return bytes.
202
203- Issue #6838: Use a list to accumulate the value instead of
204 repeatedly concatenating strings in http.client's
205 HTTPResponse._read_chunked providing a significant speed increase
206 when downloading large files servend with a Transfer-Encoding of 'chunked'.
207
208- Have importlib raise ImportError if None is found in sys.modules for a
209 module.
210
211- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
212 payloads are now ordered by integer value rather than lexicographically.
213
214- Issue #6163: Fixed HP-UX runtime library dir options in
215 distutils.unixcompiler. Initial patch by Sridhar Ratnakumar and
216 Michael Haubenwallner.
217
218Extension Modules
219-----------------
220
Mark Dickinson015fa032009-10-08 16:02:50 +0000221- Issue #7078: Set struct.__doc__ from _struct.__doc__.
222
Matthias Klosed4337802009-09-13 15:29:48 +0000223- Issue #6848: Fix curses module build failure on OS X 10.6.
224
Mark Dickinson95078872009-10-04 18:47:48 +0000225Tests
226-----
227
R. David Murray14520952009-12-20 17:37:25 +0000228- Issue #7376: instead of running a self-test (which was failing) when called
229 with no arguments, doctest.py now gives a usage message.
230
R. David Murrayc009b442009-12-14 22:57:04 +0000231- Issue #7498: test_multiprocessing now uses test.support.find_unused_port
232 instead of a hardcoded port number in test_rapid_restart.
233
R. David Murray8054a5d2009-12-04 00:13:33 +0000234- Issue #7431: use TESTFN in test_linecache instead of trying to create a
235 file in the Lib/test directory, which might be read-only for the
236 user running the tests.
237
R. David Murray9f9b46c2009-11-15 00:35:37 +0000238- Issue #7324: add a sanity check to regrtest argument parsing to
239 catch the case of an option with no handler.
240
Antoine Pitrouca154092009-11-13 16:31:51 +0000241- Issue #6551: test_zipimport could import and then destroy some modules of
242 the encodings package, which would make other tests fail further down
243 the road because the internally cached encoders and decoders would point
244 to empty global variables.
245
Antoine Pitroub78ba6b2009-11-11 21:01:33 +0000246- Issue #7295: Do not use a hardcoded file name in test_tarfile.
247
Antoine Pitrou959f3e52009-11-09 16:52:46 +0000248- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
249 primitives such as Lock, RLock, Condition, Event and Semaphore.
250
Brett Cannon142d2362009-11-05 01:34:30 +0000251- Issue #7248 (part 2): Use a unique temporary directory for importlib source
252 tests instead of tempfile.tempdir. This prevents the tests from sharing state
253 between concurrent executions on the same system.
254
255- Issue #7248: In importlib.test.source.util a try/finally block did not make
256 sure that some referenced objects actually were created in the block before
257 calling methods on the object.
258
Antoine Pitrou56e00ca2009-10-27 13:08:37 +0000259- Issue #7055: test___all__ now greedily detects all modules which have an
260 __all__ attribute, rather than using a hardcoded and incomplete list.
261
R. David Murray6bf5a2e82009-10-07 23:54:53 +0000262- Issue #7058: Added save/restore for argv and os.environ to runtest_inner
263 in regrtest, with warnings if the called test modifies them.
264
Mark Dickinson95078872009-10-04 18:47:48 +0000265- Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6.
266
Matthias Klosed4337802009-09-13 15:29:48 +0000267Build
268-----
269
Martin v. Löwis5330aa52009-12-22 10:48:47 +0000270- Switch to OpenSSL 0.9.8l on Windows.
271
Mark Dickinsonee2dd4a2009-10-31 10:20:38 +0000272- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
273 compiles correctly under gcc on x86-64. This fixes a reported
274 problem with the --with-tsc build on x86-64.
275
Matthias Klosed4337802009-09-13 15:29:48 +0000276- Issue #6802: Fix build issues on MacOSX 10.6
277
278- Issue #6801 : symmetric_difference_update also accepts |.
279 Thanks to Carl Chenet.
280
Ronald Oussoren8c067812009-12-24 14:24:05 +0000281- Issue #7541: when using ``python-config`` with a framework install the compiler might
282 use the wrong library.
283
Matthias Klosed4337802009-09-13 15:29:48 +0000284Documentation
285-------------
286
287- Issue #6556: Fixed the Distutils configuration files location explanation
288 for Windows.
289
290
291What's New in Python 3.1.1?
292===========================
293
294*Release date: 2009-08-13*
295
296Core and Builtins
297-----------------
298
Benjamin Peterson044446b2009-08-15 13:25:28 +0000299- Issue #6707: dir() on an uninitialized module caused a crash.
300
Georg Brandl069bcc32009-07-22 12:06:11 +0000301- Issue #6540: Fixed crash for bytearray.translate() with invalid parameters.
302
Raymond Hettinger63853bb2009-07-27 20:29:18 +0000303- Issue #6573: set.union() stopped processing inputs if an instance of self
304 occurred in the argument chain.
305
R. David Murray10fc3952009-07-19 02:25:02 +0000306- Issue #6070: On posix platforms import no longer copies the execute bit
307 from the .py file to the .pyc file if it is set.
308
Amaury Forgeot d'Arc79fa5ab2009-07-07 00:45:43 +0000309- Issue #6428: Since Python 3.0, the __bool__ method must return a bool
310 object, and not an int. Fix the corresponding error message, and the
311 documentation.
312
Mark Dickinson8c1e2942009-06-30 15:46:37 +0000313- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
314 This fixes a build failure on HP-UX: int32_t and uint32_t are
315 defined in inttypes.h instead of stdint.h on that platform.
316
Amaury Forgeot d'Arc41a28732009-07-01 00:50:34 +0000317- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and
Amaury Forgeot d'Arce5344d62009-06-29 22:38:54 +0000318 the 'surrogateescape' error handler, a string which contains unpaired
319 surrogates.
320
Benjamin Petersone39d5d52009-07-02 22:02:15 +0000321C-API
322-----
323
Mark Dickinsond0ed0db2009-12-03 11:01:53 +0000324- Issue #7414: 'C' code wasn't being skipped properly (for keyword arguments)
325 in PyArg_ParseTupleAndKeywords.
326
Georg Brandl878c3b02009-08-13 08:36:43 +0000327- Issue #6624: yArg_ParseTuple with "s" format when parsing argument with
328 NUL: Bogus TypeError detail string.
329
Antoine Pitrou992d3d12009-08-06 21:01:42 +0000330- Issue #6405: Remove duplicate type declarations in descrobject.h.
Benjamin Petersonb166ffd2009-07-03 13:33:17 +0000331
Benjamin Petersone39d5d52009-07-02 22:02:15 +0000332- The code flags for old __future__ features are now available again.
333
Benjamin Petersone8fb2032009-06-27 22:03:18 +0000334Library
335-------
336
Georg Brandle6700e92009-08-13 08:39:33 +0000337- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
338 DO/DONT correctly.
339
Georg Brandl8a038b22009-08-13 07:52:08 +0000340- Issue #6126: Fixed pdb command-line usage.
341
Antoine Pitrou0473e562009-08-06 20:52:43 +0000342- Issue #6629: Fix a data corruption issue in the new I/O library, which could
343 occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
344 "wb+" mode) after having buffered a certain amount of data for reading. This
345 bug was not present in the pure Python implementation.
346
Mark Dickinson825b9932009-08-06 16:08:07 +0000347- Issue #6622: Fix "local variable 'secret' referenced before
348 assignment" bug in POP3.apop.
349
Raymond Hettinger99a13ee2009-08-04 19:13:37 +0000350- Issue #6637: defaultdict.copy() did not work when the default factory
351 was left unspecified. Also, the eval/repr round-trip would fail when
352 the default_factory was None.
353
Mark Dickinson34776ca2009-08-02 20:09:59 +0000354- Issue #2715: Remove remnants of Carbon.File from binhex module.
355
Mark Dickinson8d238292009-08-02 10:16:33 +0000356- Issue #6595: The Decimal constructor now allows arbitrary Unicode
Georg Brandle6700e92009-08-13 08:39:33 +0000357decimal digits in input, as recommended by the standard. Previously
358it was restricted to accepting [0-9].
Mark Dickinson8d238292009-08-02 10:16:33 +0000359
R. David Murraya44c6b32009-07-29 15:40:30 +0000360- Issues #5155, #5313, #5331: multiprocessing.Process._bootstrap was
Georg Brandle6700e92009-08-13 08:39:33 +0000361unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
362descriptor errors
R. David Murraya44c6b32009-07-29 15:40:30 +0000363
Senthil Kumaran0ac1f832009-07-26 12:39:47 +0000364- Issue #1424152: Fix for http.client, urllib.request to support SSL while
Georg Brandle6700e92009-08-13 08:39:33 +0000365working through proxy. Original patch by Christopher Li, changes made by
366Senthil Kumaran
Senthil Kumaran0ac1f832009-07-26 12:39:47 +0000367
Brett Cannon2e3155e2009-07-20 03:22:43 +0000368- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
Georg Brandle6700e92009-08-13 08:39:33 +0000369the documentation said it did even though the code in PyLoader relied on the
370abstract method required by ResourceLoader.
Brett Cannon2e3155e2009-07-20 03:22:43 +0000371
Mark Dickinson8d156432009-07-18 14:43:10 +0000372- Issue #6431: Make Fraction type return NotImplemented when it doesn't
Georg Brandle6700e92009-08-13 08:39:33 +0000373know how to handle a comparison without loss of precision. Also add
374correct handling of infinities and nans for comparisons with float.
Mark Dickinson8d156432009-07-18 14:43:10 +0000375
Antoine Pitrou992d3d12009-08-06 21:01:42 +0000376- Issue #6415: Fixed warnings.warn segfault on bad formatted string.
Hirokazu Yamamoto680ac292009-07-17 07:02:18 +0000377
Amaury Forgeot d'Arc041b3ba2009-07-11 09:37:09 +0000378- Issue #6358: The exit status of a command started with os.popen() was
Georg Brandle6700e92009-08-13 08:39:33 +0000379reported differently than it did with python 2.x.
Amaury Forgeot d'Arc041b3ba2009-07-11 09:37:09 +0000380
Amaury Forgeot d'Arcd31d4f22009-07-09 23:20:02 +0000381- Issue #6323: The pdb debugger did not exit when running a script with a
Georg Brandle6700e92009-08-13 08:39:33 +0000382syntax error.
Amaury Forgeot d'Arcd31d4f22009-07-09 23:20:02 +0000383
Georg Brandlae83d6e2009-08-13 09:04:31 +0000384- Issue #3392: The subprocess communicate() method no longer fails in select()
385 when file descriptors are large; communicate() now uses poll() when possible.
386
Antoine Pitrou53f4ed72009-07-01 15:03:38 +0000387- Issue #6369: Fix an RLE decompression bug in the binhex module.
388
Hirokazu Yamamoto4e82f2d2009-06-29 15:02:36 +0000389- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
390
Georg Brandlae83d6e2009-08-13 09:04:31 +0000391- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
392 sys.path.
393
394Extension Modules
395-----------------
396
Brett Cannon0c811072009-08-13 19:59:04 +0000397- Fix a segfault in expat.
398
Georg Brandlae83d6e2009-08-13 09:04:31 +0000399- Issue #4509: array.array objects are no longer modified after an operation
400 failing due to the resize restriction in-place when the object has exported
401 buffers.
402
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +0000403Build
404-----
405
Benjamin Petersonf9a6dab2009-12-30 03:06:54 +0000406- Issue #7589: Only build the nis module when the correct header files are
407 found.
408
Amaury Forgeot d'Arc7e077242009-07-02 23:57:11 +0000409- Issue 4601: 'make install' did not set the appropriate permissions on
Georg Brandle6700e92009-08-13 08:39:33 +0000410directories.
Amaury Forgeot d'Arc7e077242009-07-02 23:57:11 +0000411
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +0000412- Issue 5390: Add uninstall icon independent of whether file
Georg Brandle6700e92009-08-13 08:39:33 +0000413extensions are installed.
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +0000414
Brett Cannon10e35b32009-07-20 00:19:49 +0000415Test
416----
417
418- Fix a test in importlib.test.source.test_abc_loader that was incorrectly
Georg Brandle6700e92009-08-13 08:39:33 +0000419testing when a .pyc file lacked an code object bytecode.
Brett Cannon10e35b32009-07-20 00:19:49 +0000420
Benjamin Petersone8fb2032009-06-27 22:03:18 +0000421
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000422What's New in Python 3.1?
423=========================
424
425*Release date: 27-June-2009*
426
427Core and Builtins
428-----------------
429
Mark Dickinsonad195562009-06-24 19:01:32 +0000430- Issue #6334: Fix bug in range length calculation for ranges with
Georg Brandle6700e92009-08-13 08:39:33 +0000431large arguments.
Mark Dickinsonad195562009-06-24 19:01:32 +0000432
Raymond Hettinger159eac92009-06-23 20:38:54 +0000433- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
Georg Brandle6700e92009-08-13 08:39:33 +0000434because it wasn't recognized as a sequence).
Raymond Hettinger159eac92009-06-23 20:38:54 +0000435
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000436Library
437-------
438
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000439- Issue #6314: logging.basicConfig() performs extra checks on the "level"
Georg Brandle6700e92009-08-13 08:39:33 +0000440argument.
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000441
Facundo Batista10706e22009-06-19 20:34:30 +0000442- Issue #6274: Fixed possible file descriptors leak in subprocess.py
443
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000444- Accessing io.StringIO.buffer now raises an AttributeError instead of
Georg Brandle6700e92009-08-13 08:39:33 +0000445io.UnsupportedOperation.
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000446
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000447- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Georg Brandle6700e92009-08-13 08:39:33 +0000448(On Unix)
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +0000449
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000450- Issue #1202: zipfile module would cause a struct.error when attempting to
Georg Brandle6700e92009-08-13 08:39:33 +0000451store files with a CRC32 > 2**31-1.
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000452
Matthias Kloseab2b7552009-06-22 13:05:52 +0000453Extension Modules
454-----------------
455
456- Issue #5590: Remove unused global variable in pyexpat extension.
457
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000458
Antoine Pitrou3b1b8072009-05-30 21:01:23 +0000459What's New in Python 3.1 Release Candidate 2?
460=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000461
Benjamin Petersonc7c12282009-06-13 13:15:04 +0000462*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000463
464Core and Builtins
465-----------------
466
Raymond Hettinger94f55832009-06-12 18:40:16 +0000467- Fixed SystemError triggered by "range([], 1, -1)".
468
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000469- Issue #5924: On Windows, a large PYTHONPATH environment variable
Georg Brandle6700e92009-08-13 08:39:33 +0000470(more than 255 characters) would be completely ignored.
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000471
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000472- Issue #4547: When debugging a very large function, it was not always
Georg Brandle6700e92009-08-13 08:39:33 +0000473possible to update the lineno attribute of the current frame.
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000474
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000475- Issue #5330: C functions called with keyword arguments were not reported by
Georg Brandlb75111c2009-08-13 12:27:52 +0000476 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000477
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000478Library
479-------
480
Tarek Ziadé41fe2822009-07-12 08:39:08 +0000481- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
Georg Brandle6700e92009-08-13 08:39:33 +0000482expression string pattern was trying to match against a bytes returned by
483Popen. Tested under win32 to build the py-postgresql project.
Tarek Ziadé41fe2822009-07-12 08:39:08 +0000484
Martin v. Löwis83eacca2009-06-12 17:31:41 +0000485- Issue #6258: Support AMD64 in bdist_msi.
486
R. David Murray58641de2009-06-12 15:33:19 +0000487- Issue #6195: fixed doctest to no longer try to read 'source' data from
Georg Brandle6700e92009-08-13 08:39:33 +0000488binary files.
R. David Murray58641de2009-06-12 15:33:19 +0000489
Vinay Sajipaffbd872009-06-11 10:11:47 +0000490- Issue #5262: Fixed bug in next rollover time computation in
Georg Brandle6700e92009-08-13 08:39:33 +0000491TimedRotatingFileHandler.
Vinay Sajipaffbd872009-06-11 10:11:47 +0000492
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000493- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
Georg Brandle6700e92009-08-13 08:39:33 +0000494errors property. Additionally, the errors and encoding properties of StringIO
495are always None now.
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000496
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000497- Issue #6137: The pickle module now translates module names when loading
Georg Brandle6700e92009-08-13 08:39:33 +0000498or dumping pickles with a 2.x-compatible protocol, in order to make data
499sharing and migration easier. This behaviour can be disabled using the
500new `fix_imports` optional argument.
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000501
Raymond Hettinger40925d22009-06-04 18:32:39 +0000502- Removed the ipaddr module.
503
Georg Brandlb54d8012009-06-04 09:11:51 +0000504- Issue #3613: base64.{encode,decode}string are now called
Georg Brandle6700e92009-08-13 08:39:33 +0000505base64.{encode,decode}bytes which reflects what type they accept and return.
506The old names are still there as deprecated aliases.
Georg Brandlb54d8012009-06-04 09:11:51 +0000507
Georg Brandl317185a2009-06-04 09:00:56 +0000508- Issue #5767: Remove sgmlop support from xmlrpc.client.
509
Martin v. Löwis74b7e442009-06-01 04:23:07 +0000510- Issue #6150: Fix test_unicode on wide-unicode builds.
511
Antoine Pitrouc06de472009-05-30 21:04:26 +0000512- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
Georg Brandle6700e92009-08-13 08:39:33 +0000513parameters.
Antoine Pitrouc06de472009-05-30 21:04:26 +0000514
Martin v. Löwis79b13872009-06-01 04:13:14 +0000515Windows
516-------
517
Martin v. Löwisb7a51562009-06-07 17:55:17 +0000518- Issue #6221: Delete test registry key before running the test.
519
Martin v. Löwis79b13872009-06-01 04:13:14 +0000520- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
521
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +0000522C-API
523-----
524
525- Issue #5735: Python compiled with --with-pydebug should throw an
526 ImportError when trying to import modules compiled without
527 --with-pydebug, and vice-versa.
528
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000529
Brett Cannonc6d936e2009-06-07 20:09:53 +0000530Build
531-----
532
533- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
534 added LIBS to OS X framework builds.
535
Ronald Oussoren99aab652009-06-08 21:22:57 +0000536- Issue #5809: Specifying both --enable-framework and --enable-shared is
537 an error. Configure now explicity tells you about this.
538
539
Brett Cannonc6d936e2009-06-07 20:09:53 +0000540
Mark Dickinson4eb88b32009-05-11 16:41:34 +0000541What's New in Python 3.1 release candidate 1?
542=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000543
Benjamin Petersone6ad3872009-05-30 15:30:16 +0000544*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000545
546Core and Builtins
547-----------------
548
Martin v. Löwis8ed91b22009-05-29 16:22:26 +0000549- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
550 of the command line.
551
Martin v. Löwisc15bdef2009-05-29 14:47:46 +0000552- Issue #6012: Add cleanup support to O& argument parsing.
553
Eric Smith41669ca2009-05-23 14:23:22 +0000554- Issue #6089: Fixed str.format with certain invalid field specifiers
555 that would raise SystemError.
556
Raymond Hettinger2bcde142009-05-29 04:52:27 +0000557- Issue #5982: staticmethod and classmethod now expose the wrapped
558 function with __func__.
559
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +0000560- Added support for multiple context managers in the same with-statement.
561 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +0000562
Mark Dickinson6b1e43b2009-05-20 18:41:04 +0000563- Issue #5829: complex("1e500") no longer raises OverflowError. This
564 makes it consistent with float("1e500") and interpretation of real
565 and imaginary literals.
566
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +0000567- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
568
R. David Murraydd226ea2009-05-13 12:27:21 +0000569- Issue #5994: the marshal module now has docstrings.
570
Mark Dickinsond1ec8b22009-05-11 15:45:15 +0000571- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
572 (1) inf and nan strings with trailing whitespace were incorrectly
573 rejected; (2) parsing of strings representing infinities and nans
574 was locale aware; and (3) the interpretation of fromhex('-nan')
575 didn't match that of float('-nan').
576
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000577Library
578-------
579
Martin v. Löwisb6a748b2009-05-29 15:23:17 +0000580- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
581
R. David Murrayfb123912009-05-28 18:19:00 +0000582- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
583
R. David Murray1f1b9d32009-05-27 20:56:59 +0000584- Issue #6121: pydoc now ignores leading and trailing spaces in the
585 argument to the 'help' function.
586
Georg Brandlfaf41492009-05-26 18:31:11 +0000587- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
588 arguments for strings with a space in them.
589
Raymond Hettinger089ba7f2009-05-27 00:38:24 +0000590- collections.namedtuple() was not working with the following field
591 names: cls, self, tuple, itemgetter, and property.
592
Benjamin Peterson14a3dd72009-05-25 00:51:58 +0000593- In unittest, using a skipping decorator on a class is now equivalent to
594 skipping every test on the class. The ClassTestSuite class has been removed.
595
Martin v. Löwis70ccd162009-05-24 19:47:22 +0000596- Issue #6050: Don't fail extracting a directory from a zipfile if
597 the directory already exists.
598
Antoine Pitrou61f77b52009-05-24 15:46:13 +0000599- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
600 than an int, which makes some operations possible under 64-bit Linux (e.g.
601 DN_MULTISHOT with F_NOTIFY).
602
Antoine Pitrou716c4442009-05-23 19:04:03 +0000603- Issue #5761: Add the name of the underlying file to the repr() of various
604 IO objects.
605
R. David Murraycaa27b72009-05-23 18:49:56 +0000606- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
607 by Musashi Tamura, tests by Marcin Bachry.
608
Antoine Pitrouc3ee1662009-05-23 16:02:33 +0000609- Issue #1983: Fix functions taking or returning a process identifier to use
610 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
611 a process identifier type wider than the standard C integer type.
612
R. David Murray87e20742009-05-23 01:30:26 +0000613- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
614 Patch by Farhan Ahmad, test by Marcin Bachry.
615
Antoine Pitrou6e610062009-05-15 17:04:50 +0000616- Issue #2116: Weak references and weak dictionaries now support copy()ing and
617 deepcopy()ing.
618
Antoine Pitrouc1d09362009-05-15 12:15:51 +0000619- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
620
Antoine Pitrou37d1c182009-05-14 21:54:00 +0000621- Issue #5918: Fix a crash in the parser module.
622
Antoine Pitrou2ca24f02009-05-14 21:30:46 +0000623- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
624
Antoine Pitroue4501852009-05-14 18:55:55 +0000625- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
626 library. This means, for example, that opening an UTF-16 text file in
627 append mode doesn't add a BOM at the end of the file if the file isn't
628 empty.
629
R. David Murray74b89242009-05-13 17:33:03 +0000630- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
631 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
632 corrects a pydoc regression.
633
R. David Murray99352742009-05-07 18:24:38 +0000634- Issue 5955: aifc's close method did not close the file it wrapped,
635 now it does. This also means getfp method now returns the real fp.
636
Benjamin Peterson932073a2009-05-23 16:14:33 +0000637Installation
638------------
639
640- Issue #6047: fullinstall has been removed because Python 3's executable will
641 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000642
Ronald Oussorenbe7149e2009-05-26 21:39:08 +0000643- Lib/smtpd.py is no longer installed as a script.
644
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000645Extension Modules
646-----------------
647
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +0000648- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +0000649
Martin v. Löwise23c8682009-05-29 16:01:34 +0000650- Issue #4873: Fix resource leaks in error cases of pwd and grp.
651
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000652- Issue #6093: Fix off-by-one error in locale.strxfrm.
653
Benjamin Peterson744af442009-05-23 18:51:49 +0000654- The _functools and _locale modules are now built into the libpython shared
655 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +0000656
Antoine Pitrou20327222009-05-24 20:39:11 +0000657Build
658-----
659
660- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
661 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
662 Clinton Roy.
663
Brett Cannon1262e7c2009-05-11 01:47:11 +0000664Tests
665-----
666
667- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
668 tests on darwin even when the OS was installed on a case-sensitive
669 filesystem. Also fixed tests that should not be run when
670 sys.dont_write_bytecode is true.
671
672
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000673What's New in Python 3.1 beta 1?
674================================
675
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +0000676*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000677
678Core and Builtins
679-----------------
680
Mark Dickinson865e01a2009-05-07 16:37:01 +0000681- Issue #5914: Add new C API function PyOS_string_to_double, and
682 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
683
Eric Smith741191f2009-05-06 13:08:15 +0000684- Issue #3382: float.__format__, complex.__format__, and %-formatting
685 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
686 affects nan -> NAN and inf -> INF.
687
Mark Hammond5a607a32009-05-06 08:04:54 +0000688- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
689 in all operations, including splitdrive, split, etc. splitunc() now issues
690 a PendingDeprecation warning.
691
Eric Smith63376222009-05-05 14:04:18 +0000692- Issue #5920: For float.__format__, change the behavior with the
693 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
694 to be like 'g' but with at least one decimal point and with a
695 default precision of 12. Previously, the behavior the same but with
696 a default precision of 6. This more closely matches str(), and
697 reduces surprises when adding alignment flags to the empty
698 presentation type. This also affects the new complex.__format__ in
699 the same way.
700
Martin v. Löwis011e8422009-05-05 04:43:17 +0000701- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
702
R. David Murrayb18500d2009-05-04 22:59:07 +0000703- Issue #5890: in subclasses of 'property' the __doc__ attribute was
704 shadowed by classtype's, even if it was None. property now
705 inserts the __doc__ into the subclass instance __dict__.
706
Antoine Pitrou244651a2009-05-04 18:56:13 +0000707- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
708 sequences. Patch by Nick Barnes and Victor Stinner.
709
Martin v. Löwise0a2b722009-05-10 08:08:56 +0000710- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +0000711
Benjamin Petersond2e0c792009-05-01 20:40:59 +0000712- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
713 received a new method, detach(). detach() disconnects the underlying stream
714 from the buffer or text IO and returns it.
715
Mark Dickinson33841c32009-05-01 15:37:04 +0000716- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
717 floats with absolute value over 1e50. Also remove length
718 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
719 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +0000720
Eric Smith741191f2009-05-06 13:08:15 +0000721- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +0000722 format(complex(1, 2./3), '.5') now produces a sensible result.
723
Mark Dickinsond3ca5572009-04-29 18:47:07 +0000724- Issue #5864: Fix empty format code formatting for floats so that it
725 never gives more than the requested number of significant digits.
726
Eric Smith6dc46f52009-04-27 20:39:49 +0000727- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
728 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
729
Eric Smithcc32a112009-04-26 21:35:14 +0000730- Issue #5835: Deprecate PyOS_ascii_formatd.
731
Martin v. Löwis71efeb72009-04-26 01:02:07 +0000732- Issue #4971: Fix titlecase for characters that are their own
733 titlecase, but not their own uppercase.
734
Benjamin Peterson193152c2009-04-25 01:08:45 +0000735- Issue #5283: Setting __class__ in __del__ caused a segfault.
736
Mark Dickinsonad476da2009-04-23 19:14:16 +0000737- Issue #5816: complex(repr(z)) now recovers z exactly, even when
738 z involves nans, infs or negative zeros.
739
Mark Dickinson4a16e3a2009-04-23 19:15:48 +0000740- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +0000741
Mark Dickinsone6a076d2009-04-18 11:48:33 +0000742- Issue #1869 (and many duplicates): make round(x, n) correctly
743 rounded for a float x, by using the decimal <-> binary conversions
744 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
745 consistently agrees with format(x, '.2f').
746
Benjamin Petersonae937c02009-04-18 20:54:08 +0000747- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
748 some builtin types.
749
Eric Smith0923d1d2009-04-16 20:16:10 +0000750- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
751
Eric Smith35e84722009-04-16 20:21:28 +0000752- Issue #5515: str.format() type 'n' combined with commas and leading
753 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +0000754
755- Implement PEP 378, Format Specifier for Thousands Separator, for
756 floats.
757
Mark Dickinson3370cce2009-04-17 22:40:53 +0000758- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000759 1e11, not 1e12. This avoids printing 13 significant digits in
760 situations where only 12 of them are correct. Example problem
761 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
762 long time.)
763
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000764- Issue #1580: On most platforms, use a 'short' float repr: for a
765 finite float x, repr(x) now outputs a string based on the shortest
766 sequence of decimal digits that rounds to x. Previous behaviour was
767 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +0000768 Another minor difference is that the new repr switches to
769 exponential notation at 1e16 instead of the previous 1e17; this
770 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000771
772 There's a new sys attribute sys.float_repr_style, which takes
773 the value 'short' to indicate that we're using short float repr,
774 and 'legacy' if the short float repr isn't available for one
775 reason or another.
776
777 The float repr change involves incorporating David Gay's 'perfect
778 rounding' code into the Python core (it's in Python/dtoa.c). As a
779 secondary consequence, all string-to-float and float-to-string
780 conversions (including all float formatting operations) will be
781 correctly rounded on these platforms.
782
783 See issue 1580 discussions for details of platforms for which
784 this change does not apply.
785
Benjamin Peterson2808d3c2009-04-15 21:34:27 +0000786- Issue #5759: float() didn't call __float__ on str subclasses.
787
Georg Brandlabc38772009-04-12 15:51:51 +0000788- The string.maketrans() function is deprecated; there is a new static method
789 maketrans() on the bytes and bytearray classes. This removes confusion about
790 the types string.maketrans() is supposed to work with, and mirrors the
791 methods available on the str class.
792
R. David Murraydc6da8a2009-04-09 22:16:43 +0000793- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
794 its clarity and its speed.
795
Matthias Klose091c7b12009-04-07 13:24:27 +0000796- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
797 to avoid compiler warnings.
798
Walter Dörwald8dc33d52009-05-06 14:41:26 +0000799- Issue #3739: The unicode-internal encoder now reports the number of characters
800 consumed like any other encoder (instead of the number of bytes).
801
Benjamin Peterson0b4915e2009-04-25 21:11:45 +0000802Installation
803------------
804
805- Issue #5756: Install idle and pydoc with a 3 suffix.
806
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000807Library
808-------
809
Martin v. Löwis403117a2009-05-24 19:19:17 +0000810- Issue #5311: bdist_msi can now build packages that do not depend on a
811 specific Python version.
812
Raymond Hettingereb816952009-05-29 01:22:18 +0000813- Issue #5150: IDLE's format menu now has an option to strip trailing
814 whitespace.
815
Vinay Sajipaffbd872009-06-11 10:11:47 +0000816- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +0000817 the right type checkings anymore.
818
Thomas Heller00cfc372009-05-05 19:04:40 +0000819- Issue #4875: On win32, ctypes.util.find_library does no longer
820 return directories.
821
Georg Brandl243ad662009-05-05 09:00:19 +0000822- Issue #5142: Add the ability to skip modules while stepping to pdb.
823
Georg Brandl991f9202009-05-05 08:31:54 +0000824- Issue #1309567: Fix linecache behavior of stripping subdirectories when
825 looking for files given by a relative filename.
826
Georg Brandleaa84ef2009-05-05 08:14:33 +0000827- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
828 turtle demos in Demo/turtle.
829
Antoine Pitrou3c33e082009-05-04 21:21:36 +0000830- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
831 extracting a file to the root directory.
832
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +0000833- Issue #5913: os.listdir() should fail for empty path on windows.
834
Antoine Pitroua9f48a02009-05-02 21:41:14 +0000835- Issue #5084: unpickling now interns the attribute names of pickled objects,
836 saving memory and avoiding growth in size of subsequent pickles. Proposal
837 and original patch by Jake McGuire.
838
Benjamin Petersonc6b607d2009-05-02 12:36:44 +0000839- The json module now works exclusively with str and not bytes.
840
Gregory P. Smithe54dff52009-05-01 22:13:48 +0000841- Issue #3959: The ipaddr module has been added to the standard library.
842 Contributed by Google.
843
Antoine Pitrou7fff0962009-05-01 21:09:44 +0000844- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
845 error when a named pipe is encountered, rather than blocking infinitely.
846
Raymond Hettinger1f0db402009-04-29 00:38:08 +0000847- Issue #5857: tokenize.tokenize() now returns named tuples.
848
Thomas Hellerc1edc2d2009-04-28 19:55:58 +0000849- Issue #4305: ctypes should now build again on mipsel-linux-gnu
850
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +0000851- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
852 string is already in normalized form, by performing a quick check beforehand.
853 Original patch by Rauli Ruohonen.
854
Antoine Pitrou57f3d932009-04-27 21:04:19 +0000855- Issue #5853: calling a function of the mimetypes module from several threads
856 at once could hit the recursion limit if the mimetypes database hadn't been
857 initialized before.
858
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000859- Issue #5854: Updated __all__ to include some missing names and remove some
860 names which should not be exported.
861
Thomas Heller34596a92009-04-24 20:50:00 +0000862- Issue #3102: All global symbols that the _ctypes extension defines
863 are now prefixed with 'Py' or '_ctypes'.
864
865- Issue #5041: ctypes does now allow pickling wide character.
866
Mark Dickinsond4d95f82009-04-24 14:06:19 +0000867- Issue #5812: For the two-argument form of the Fraction constructor,
868 Fraction(m, n), m and n are permitted to be arbitrary Rational
869 instances.
870
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +0000871- Issue #5812: Fraction('1e6') is valid: more generally, any string
872 that's valid for float() is now valid for Fraction(), with the
873 exception of strings representing NaNs and infinities.
874
Antoine Pitroucf4c7492009-04-19 00:09:36 +0000875- Issue #5734: BufferedRWPair was poorly tested and had several glaring
876 bugs. Patch by Brian Quinlan.
877
R. David Murray9e94ddf2009-04-13 17:06:33 +0000878- Issue #1161031: fix readwrite select flag handling: POLLPRI now
879 results in a handle_expt_event call, not handle_read_event, and POLLERR
880 and POLLNVAL now call handle_close, not handle_expt_event. Also,
881 dispatcher now has an 'ignore_log_types' attribute for suppressing
882 log messages, which is set to 'warning' by default.
883
Matthias Klosea3d29e82009-04-07 13:13:10 +0000884- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
885 new arguments introduced in 2.5.
886
Walter Dörwald1b08b302009-04-25 14:13:56 +0000887- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
888 makeunicodedata.py and regenerated the Unicode database (This fixes
889 u'\u1d79'.lower() == '\x00').
890
Matthias Klose535336f2009-04-07 13:49:45 +0000891Extension Modules
892-----------------
893
Benjamin Petersone04b6272009-05-04 22:25:21 +0000894- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
895 pwd.
896
Mark Dickinsonea835e72009-04-19 20:40:33 +0000897- Issue #5463: In struct module, remove deprecated float coercion
898 for integer type codes: struct.pack('L', 0.3) should now raise
899 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
900 The version number has been bumped to 0.3.
901
Matthias Klose535336f2009-04-07 13:49:45 +0000902- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
903 using Berkley-DB.
904
Nick Coghlan47384702009-04-22 16:13:36 +0000905Tests
906-----
907
908- Issue #5354: New test support function import_fresh_module() makes
909 it easy to import both normal and optimised versions of modules.
910 test_heapq and test_warnings have been adjusted to use it, tests for
911 other modules with both C and Python implementations in the stdlib
912 can be adjusted to use it over time.
913
Walter Dörwald4ba80132009-04-25 12:48:43 +0000914- Issue #5837: Certain sequences of calls to set() and unset() for
915 support.EnvironmentVarGuard objects restored the environment variables
916 incorrectly on __exit__.
917
Benjamin Petersonb173f782009-05-05 22:31:58 +0000918C-API
919-----
920
921- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
922
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000923
Benjamin Petersond1735892009-03-07 18:46:21 +0000924What's New in Python 3.1 alpha 2?
925=================================
926
Benjamin Peterson88f14352009-04-04 21:06:52 +0000927*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +0000928
929Core and Builtins
930-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +0000931
Eric Smith1e1d7d22009-04-03 22:25:33 +0000932- Implement PEP 378, Format Specifier for Thousands Separator, for
933 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +0000934
Benjamin Peterson8f76b492009-04-03 22:22:42 +0000935- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
936
Benjamin Peterson7fe98532009-04-02 00:33:55 +0000937- Issue #5499: The 'c' code for argument parsing functions now only accepts a
938 byte, and the 'C' code only accepts a unicode character.
939
Georg Brandl406b3d82009-04-11 21:24:37 +0000940- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
941 when hitting the recursion limit under certain circumstances.
942
Brett Cannon0759dd62009-04-01 18:13:07 +0000943- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
944
Georg Brandlab6f2f62009-03-31 04:16:10 +0000945- Fix a segfault when running test_exceptions with coverage, caused by
946 insufficient checks in accessors of Exception.__context__.
947
Guido van Rossum0ad59d42009-03-30 22:01:35 +0000948- Issue #5604: non-ASCII characters in module name passed to
949 imp.find_module() were converted to UTF-8 while the path is
950 converted to the default filesystem encoding, causing nonsense.
951
Benjamin Peterson09832742009-03-26 17:15:46 +0000952- Issue #5126: str.isprintable() returned False for space characters.
953
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +0000954- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
955 the end sys.path, for compatibility with the system install of Python.
956
Antoine Pitrou3a652b12009-03-23 18:52:06 +0000957- Issue #4688: Add a heuristic so that tuples and dicts containing only
958 untrackable objects are not tracked by the garbage collector. This can
959 reduce the size of collections and therefore the garbage collection overhead
960 on long-running programs, depending on their particular use of datatypes.
961
Mark Dickinson17e4fdd2009-03-23 18:44:57 +0000962- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
963 improve its performance. Long divisions and remainder operations
964 are now between 50% and 150% faster.
965
Mark Dickinsonbd792642009-03-18 20:06:12 +0000966- Issue #4258: Make it possible to use base 2**30 instead of base
967 2**15 for the internal representation of integers, for performance
968 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
969 --enable-big-digits option to configure, which overrides the
970 default. Add sys.int_info structseq to provide information about
971 the internal format.
972
Mark Dickinson081dfee2009-03-18 14:47:41 +0000973- Issue #4474: PyUnicode_FromWideChar now converts characters outside
974 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
975 and sizeof(Py_UNICODE) == 2.
976
Eric Smith8ec90442009-03-14 12:29:34 +0000977- Issue #5237: Allow auto-numbered fields in str.format(). For
978 example: '{} {}'.format(1, 2) == '1 2'.
979
Antoine Pitrou652e7072009-03-13 19:25:20 +0000980- Issue #5392: when a very low recursion limit was set, the interpreter would
981 abort with a fatal error after the recursion limit was hit twice.
982
Matthias Klose042f1332009-04-04 14:32:42 +0000983- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
984 short file names.
985
Benjamin Petersond1735892009-03-07 18:46:21 +0000986Library
987-------
988
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000989- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +0000990 mailbox.MH.get_message().
991
Hye-Shik Chang944820b2009-04-02 10:33:16 +0000992- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
993 error substitutions from non-strict codec error callbacks in
994 incrementalencoder and StreamWriter.
995
Georg Brandl33c28812009-04-01 23:07:29 +0000996- Issue #5656: Fix the coverage reporting when running the test suite with
997 the -T argument.
998
Raymond Hettinger3f10a952009-04-01 19:05:50 +0000999- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
1000
Georg Brandl4ed72ac2009-04-01 04:28:33 +00001001- Issue #5624: Fix the _winreg module name still used in several modules.
1002
Benjamin Petersona1b49012009-03-31 23:11:32 +00001003- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
1004
Jesse Nollera9314042009-03-31 22:36:44 +00001005- Issue #5619: Multiprocessing children disobey the debug flag and causes
1006 popups on windows buildbots. Patch applied to work around this issue.
1007
Jesse Noller32d68c22009-03-31 18:48:42 +00001008- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
1009
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +00001010- Issue #5387: Fixed mmap.move crash by integer overflow.
1011
Jesse Nollerf8d00852009-03-31 03:25:07 +00001012- Issue #5261: Patch multiprocessing's semaphore.c to support context
1013 manager use: "with multiprocessing.Lock()" works now.
1014
Brett Cannon7f6b4f82009-03-30 21:30:26 +00001015- Issue #5236: Change time.strptime() to only take strings. Didn't work with
1016 bytes already but the failure was non-obvious.
1017
Jesse Noller7af4ef82009-03-30 16:47:15 +00001018- Issue #5177: Multiprocessing's SocketListener class now uses
1019 socket.SO_REUSEADDR on all connections so that the user no longer needs
1020 to wait 120 seconds for the socket to expire.
1021
Benjamin Peterson48e24782009-03-29 13:02:52 +00001022- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
1023
Antoine Pitrou66994e12009-03-29 00:45:26 +00001024- Issue #1174606: Calling read() without arguments of an unbounded file
1025 (typically /dev/zero under Unix) could crash the interpreter.
1026
Benjamin Peterson59406a92009-03-26 17:10:29 +00001027- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
1028 io.BufferedRandom have been deprecated for removal in Python 3.2.
1029
Lars Gustäbel42e00912009-03-22 20:34:29 +00001030- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
1031 forever on incomplete input. That caused tarfile.open() to hang when used
1032 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
1033 partial bzip2 compressed data.
1034
Mark Dickinson79f52032009-03-17 23:12:51 +00001035- Issue #2110: Add support for thousands separator and 'n' type
1036 specifier to Decimal.__format__
1037
Mark Dickinson9c59fe02009-03-17 18:15:08 +00001038- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
1039 '>' alignment characters.
1040
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +00001041- The error detection code in FileIO.close() could fail to reflect the `errno`
1042 value, and report it as -1 instead.
1043
Antoine Pitroua28fcfd2009-03-13 23:42:55 +00001044- Issue #5016: FileIO.seekable() could return False if the file position
1045 was negative when truncated to a C int. Patch by Victor Stinner.
1046
Mark Dickinsonae681df2009-03-21 10:26:31 +00001047Extension Modules
1048-----------------
1049
Benjamin Petersone099b372009-04-04 17:09:35 +00001050- Issue #5391: mmap now deals exclusively with bytes.
1051
Mark Dickinsonae681df2009-03-21 10:26:31 +00001052- Issue #5463: In struct module, remove deprecated overflow wrapping
1053 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +00001054 struct.error instead of returning b'\xff\xff\xff\xff'. The
1055 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
1056 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +00001057
Benjamin Petersond1735892009-03-07 18:46:21 +00001058
Benjamin Petersona58a6262009-03-07 16:34:40 +00001059What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +00001060================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001061
Benjamin Petersona58a6262009-03-07 16:34:40 +00001062*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001063
1064Core and Builtins
1065-----------------
1066
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +00001067- The io module has been reimplemented in C for speed.
1068
Raymond Hettingerb0d56af2009-03-03 10:52:49 +00001069- Give dict views an informative __repr__.
1070
Eric Smith5e5c0db2009-02-20 14:25:03 +00001071- Issue #5247: Improve error message when unknown format codes are
1072 used when using str.format() with str, int, and float arguments.
1073
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +00001074- Issue #5249: time.strftime returned malformed string when format string
1075 contained non ascii character on windows.
1076
Benjamin Petersonf5b52242009-03-02 23:31:26 +00001077- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
1078 source has already been decoded into str.
1079
Antoine Pitrou79eee6b2009-02-13 14:01:05 +00001080- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
1081 rotating the object pointer by 4 bits to the right.
1082
Mark Dickinson87ec0852009-02-09 17:15:59 +00001083- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
1084 it now forces its argument to double before testing for infinity.
1085
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +00001086- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
1087 returns a non-number type.
1088
Benjamin Peterson87618552009-02-08 15:00:52 +00001089- Issue #5182: Removed memoryview.__str__.
1090
Mark Dickinsonc008a172009-02-01 13:59:22 +00001091- Issue #1717: Removed builtin cmp() function, dropped tp_compare
1092 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +00001093 the type definition cmpfunc. The tp_compare slot has been renamed
1094 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +00001095
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001096- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +00001097 were suppressing all exceptions. These include list() and bytearray().
1098
Mark Dickinson1124e712009-01-28 21:25:58 +00001099- Issue #4707: round(x, n) now returns an integer if x is an integer.
1100 Previously it returned a float.
1101
Antoine Pitroub52ec782009-01-25 16:34:23 +00001102- Issue #4753: By enabling a configure option named '--with-computed-gotos'
1103 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
1104 evaluation loop is compiled with a new dispatch mechanism which gives
1105 speedups of up to 20%, depending on the system, on various benchmarks.
1106
Antoine Pitrou81fabdb2009-01-22 10:11:36 +00001107- Issue #4874: Most builtin decoders now reject unicode input.
1108
Mark Dickinson9ffc0202009-01-20 20:45:53 +00001109- Issue #4842: Don't allow trailing 'L' when constructing an integer
1110 from a string.
1111
Benjamin Peterson05e782f2009-01-19 15:15:02 +00001112- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
1113
Antoine Pitroue4bc7f62009-01-17 21:06:43 +00001114- Issue #4838: When a module is deallocated, free the memory backing the
1115 optional module state data.
1116
Mark Dickinson8055afd2009-01-17 10:04:45 +00001117- Issue #4910: Rename nb_long slot to nb_reserved, and change its
1118 type to (void *).
1119
Antoine Pitrou8d4e5052009-01-13 22:59:11 +00001120- Issue #4935: The overflow checking code in the expandtabs() method common
1121 to str, bytes and bytearray could be optimized away by the compiler, letting
1122 the interpreter segfault instead of raising an error.
1123
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +00001124- Issue #3720: Fix a crash when an iterator modifies its class and removes its
1125 __next__ method.
1126
Mark Dickinsone5e298f2009-01-12 20:49:19 +00001127- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
1128 function no longer attempt to call the __long__ slot to convert an object
1129 to an integer. Only the __int__ and __trunc__ slots are examined.
1130
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +00001131- Issue #4893: Use NT threading on CE.
1132
Martin v. Löwisec59d042009-01-12 07:59:10 +00001133- Issue #4915: Port sysmodule to Windows CE.
1134
Antoine Pitrouab868312009-01-10 15:40:25 +00001135- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
1136 common cases are optimized thanks to a dedicated fast path and a moderate
1137 amount of loop unrolling.
1138
Antoine Pitrou14b78f52009-01-09 22:27:08 +00001139- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
1140 collecting the oldest generation) so that allocating lots of objects without
1141 destroying them does not show quadratic performance. Based on a proposal by
1142 Martin von Löwis at
1143 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
1144
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001145- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +00001146 having been closed (for instance, a read() call could return some
1147 previously buffered data). Patch by Dmitry Vasiliev.
1148
Antoine Pitrou05608432009-01-09 18:53:14 +00001149- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
1150 flag to work properly. Furthermore, when specifying -u, the text stdout
1151 and stderr streams have line-by-line buffering enabled (the default being
1152 to buffer arbitrary chunks of data).
1153
Raymond Hettinger35631532009-01-09 03:58:09 +00001154- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
1155 instead of ints (reducing its size from 4 to 8 times thereby reducing
1156 Python's overall memory).
1157
Antoine Pitroud35cbf62009-01-06 19:02:24 +00001158- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
1159 an existing .py counterpart, override the co_filename attributes of all
1160 code objects if the original filename is obsolete (which can happen if the
1161 file has been renamed, moved, or if it is accessed through different paths).
1162 Patch by Ziga Seilnacht and Jean-Paul Calderone.
1163
Antoine Pitrouc3b39242009-01-03 16:59:18 +00001164- Issue #4580: Fix slicing of memoryviews when the item size is greater than
1165 one byte. Also fixes the meaning of len() so that it returns the number of
1166 items, rather than the size in bytes.
1167
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001168- Issue #4075: Use OutputDebugStringW in Py_FatalError.
1169
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +00001170- Issue #4747: When the terminal does not use utf-8, executing a script with
1171 non-ascii characters in its name could fail with a "SyntaxError: None" error.
1172
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001173- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +00001174 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001175
Antoine Pitrou7ddda782009-01-01 15:35:33 +00001176- Issue #3680: Reference cycles created through a dict, set or deque iterator
1177 did not get collected.
1178
Nick Coghlanf1f2f682008-12-30 07:29:12 +00001179- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
1180 where the tp_hash and tp_dict slots are both NULL.
1181
Georg Brandlccc47b62008-12-28 11:44:14 +00001182- Issue #4759: None is now allowed as the first argument of
1183 bytearray.translate(). It was always allowed for bytes.translate().
1184
Skip Montanaro80072cb2008-12-23 03:51:14 +00001185- Added test case to ensure attempts to read from a file opened for writing
1186 fail.
1187
Antoine Pitrou51f3ef92008-12-20 13:14:23 +00001188- Issue #3106: Speedup some comparisons (str/str and int/int).
1189
Antoine Pitrouf289ae62008-12-18 11:06:25 +00001190- Issue #2183: Simplify and optimize bytecode for list, dict and set
1191 comprehensions. Original patch for list comprehensions by Neal Norwitz.
1192
Antoine Pitrou621601a2008-12-17 23:18:19 +00001193- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
1194 print elapsed times, not only when some objects are uncollectable /
1195 unreachable. Original patch by Neil Schemenauer.
1196
Mark Dickinson54bc1ec2008-12-17 16:19:07 +00001197- Issue #3439: Add a bit_length method to int.
1198
Mark Dickinsonda2706b2008-12-11 18:03:03 +00001199- Issue #2173: When getting device encoding, check that return value of
1200 nl_langinfo is not the empty string. This was causing silent build
1201 failures on OS X.
1202
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +00001203- Issue #4597: Fixed several opcodes that weren't always propagating
1204 exceptions.
1205
1206- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +00001207 context manager returns a value that cannot be converted to a bool.
1208
Mark Dickinsonfd24b322008-12-06 15:33:31 +00001209- Issue #4445: Replace "sizeof(PyBytesObject)" with
1210 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
1211 bytes instances. On a typical machine this saves 3 bytes of memory
1212 (on average) per allocation of a bytes instance.
1213
Christian Heimesa872de52008-12-05 08:26:55 +00001214- Issue #4533: File read operation was dreadfully slow due to a slowly
1215 growing read buffer. Fixed by using the same growth rate algorithm as
1216 Python 2.x.
1217
Antoine Pitrou5504e892008-12-06 21:27:53 +00001218- Issue #4509: Various issues surrounding resize of bytearray objects to
1219 which there are buffer exports (e.g. memoryview instances).
1220
Georg Brandlf9734072008-12-07 15:30:06 +00001221- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
1222 method on file objects with closefd=False. The file descriptor is still
1223 kept open but the file object behaves like a closed file. The ``FileIO``
1224 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +00001225
Antoine Pitroubc420402008-12-07 20:14:49 +00001226- Issue #4569: Interpreter crash when mutating a memoryview with an item size
1227 larger than 1.
1228
Benjamin Peterson371ccfb2008-12-27 19:03:36 +00001229- Issue #4748: Lambda generators no longer return a value.
1230
Gregory P. Smithccc5ae72009-03-02 05:21:55 +00001231- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
1232
Walter Dörwaldc1651a02009-05-03 22:55:55 +00001233- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
1234 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
1235 step. This avoids problems with counting UTF-8 bytes that ignores the effect
1236 of using the replace error handler in PyUnicode_DecodeUTF8().
1237
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001238Library
1239-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001240
Tarek Ziadé53fdb182009-10-24 13:42:10 +00001241- Issue #7066: archive_util.make_archive now restores the cwd if an error is
1242 raised. Initial patch by Ezio Melotti.
1243
Tarek Ziadé3cc12f62009-07-22 09:03:01 +00001244- Issue #6545: Removed assert statements in distutils.Extension, so the
1245 behavior is similar when used with -O.
1246
Tarek Ziadé24448fa2009-07-11 11:01:14 +00001247- Issue #6459: distutils.command.build_ext.get_export_symbols now uses the
1248 "PyInit" prefix, rather than "init".
1249
Georg Brandld80344f2009-08-13 12:26:19 +00001250- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
1251
Tarek Ziadé7e646002009-07-10 09:16:07 +00001252- Issue #6455: Fixed test_build_ext under win32.
1253
Tarek Ziadé35c88a82009-07-04 02:05:51 +00001254- Issue #6413: Fixed the log level in distutils.dist for announce.
1255
Tarek Ziadé385029f2009-07-03 08:37:27 +00001256- Issue #6403: Fixed package path usage in build_ext.
1257
Tarek Ziadé2c3de402009-06-29 16:46:14 +00001258- Issue #6365: Distutils build_ext inplace mode was copying the compiled
1259 extension in a subdirectory if the extension name had dots.
1260
Tarek Ziadé5e06a652009-06-16 07:43:42 +00001261- Issue #6287: Added the license field in Distutils documentation.
1262
Tarek Ziadéff543362009-06-11 09:25:41 +00001263- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
1264
Tarek Ziadéabcc3f42009-06-11 08:31:17 +00001265- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
1266 in Makefiles. This prevents compile errors when using syntax like:
1267 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
1268
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +00001269- Issue #6131: test_modulefinder leaked when run after test_distutils.
1270 Patch by Hirokazu Yamamoto.
1271
Tarek Ziadé77c8b372009-05-28 13:01:13 +00001272- Issue #6048: Now Distutils uses the tarfile module in archive_util.
1273
Vinay Sajipaffbd872009-06-11 10:11:47 +00001274- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +00001275 and tests on pywin32 by Tim Golden.
1276
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +00001277- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
1278
Tarek Ziadéd18a84e2009-05-18 08:07:46 +00001279- Issue #6046: Fixed the library extension when distutils build_ext is used
1280 inplace. Initial patch by Roumen Petrov.
1281
Vinay Sajipaffbd872009-06-11 10:11:47 +00001282- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +00001283 subcommand.
1284
Tarek Ziadé4210c6e2009-05-14 20:20:47 +00001285- Issue #6022: a test file was created in the current working directory by
1286 test_get_outputs in Distutils.
1287
Tarek Ziadéff0e5002009-05-12 17:14:01 +00001288- Issue #5977: distutils build_ext.get_outputs was not taking into account the
1289 inplace option. Initial patch by kxroberto.
1290
Tarek Ziadé06fbee12009-05-10 10:34:01 +00001291- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
1292 for old-style extensions.
1293
Tarek Ziadébe5b1b92009-05-09 10:09:11 +00001294- Issue #5976: Fixed Distutils test_check_environ.
1295
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00001296- Issue #5941: Distutils build_clib command was not working anymore because
1297 of an incomplete costumization of the archiver command. Added ARFLAGS in the
1298 Makefile besides AR and make Distutils use it. Original patch by David
1299 Cournapeau.
1300
R. David Murrayb507d2e2009-04-29 15:34:32 +00001301- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
1302
Vinay Sajipaffbd872009-06-11 10:11:47 +00001303- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +00001304 anymore.
1305
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001306- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +00001307 sysconfig.get_config_vars.
1308
Tarek Ziadé23336082009-04-25 12:39:56 +00001309- Issue #4951: Fixed failure in test_httpservers.
1310
Thomas Hellerd3cfe992009-04-24 20:10:24 +00001311- Issue #5795: Fixed test_distutils failure on Debian ppc.
1312
Tarek Ziadé822e1d42009-04-13 12:37:57 +00001313- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
1314
Georg Brandl1f9fa312009-04-27 16:42:58 +00001315- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
1316 a value in SafeConfigParser.
1317
Tarek Ziadéf396ecf2009-04-11 15:00:43 +00001318- Issue #5732: added a new command in Distutils: check.
1319
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001320- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +00001321 platforms. Initial patch by Paul Moore.
1322
Tarek Ziadéf6370502009-04-05 22:57:21 +00001323- Issue #5095: Added bdist_msi to the list of bdist supported formats.
1324 Initial fix by Steven Bethard.
1325
Tarek Ziadé889b0aa2009-04-05 21:49:36 +00001326- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
1327 Initial fix by Wayne Davison.
1328
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001329- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +00001330
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001331- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +00001332
Brett Cannonf47e84c2009-04-01 16:06:01 +00001333- Issue #1665206 (partially): Move imports in cgitb to the top of the module
1334 instead of performing them in functions. Helps prevent import deadlocking in
1335 threads.
1336
R. David Murraye59482e2009-04-01 03:42:00 +00001337- Issue #2522: locale.format now checks its first argument to ensure it has
1338 been passed only one pattern, avoiding mysterious errors where it appeared
1339 that it was failing to do localization.
1340
Tarek Ziadéb2e36f12009-03-31 22:37:55 +00001341- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
1342 Brandl.
1343
Antoine Pitrou350370c2009-03-14 00:13:13 +00001344- Issue #1222: locale.format() bug when the thousands separator is a space
1345 character.
1346
Tarek Ziadé516db942009-03-11 12:52:00 +00001347- Issue #5472: Fixed distutils.test_util tear down. Original patch by
1348 Tim Golden.
1349
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +00001350- collections.deque() objects now have a read-only attribute called maxlen.
1351
Guilherme Polof45b4cc2009-03-07 02:19:14 +00001352- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
1353 it is has been populated and properly configured in order to prevent
1354 window flashing.
1355
Guilherme Polo56f5be52009-03-07 01:54:57 +00001356- Issue #4792: Prevent a segfault in _tkinter by using the
1357 guaranteed to be safe interp argument given to the PythonCmd in place of
1358 the Tcl interpreter taken from a PythonCmd_ClientData.
1359
1360- Issue #5193: Guarantee that tkinter.Text.search returns a string.
1361
Tarek Ziadé63b64c02009-03-07 00:51:53 +00001362- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
1363 Original patch by Akira Kitada.
1364
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00001365- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
1366
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00001367- Issue #5385: Fixed mmap crash after resize failure on windows.
1368
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00001369- Issue #5179: Fixed subprocess handle leak on failure on windows.
1370
Raymond Hettinger2d32f632009-03-02 21:24:57 +00001371- PEP 372: Added collections.OrderedDict().
1372
Raymond Hettingera4f52b12009-03-02 22:28:31 +00001373- The _asdict() for method for namedtuples now returns an OrderedDict().
1374
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00001375- configparser now defaults to using an ordered dictionary.
1376
Benjamin Petersone0124bd2009-03-09 21:04:33 +00001377- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
1378 import guess_extension`` was used.
1379
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00001380- Issue #1733986: Fixed mmap crash in accessing elements of second map object
1381 with same tagname but larger size than first map. (Windows)
1382
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00001383- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
1384 overrun.
1385
Tarek Ziadéf0721222009-02-28 10:16:43 +00001386- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
1387 bdist_rpm command.
1388
1389- Issue #5378: added --quiet option to Distutils bdist_rpm command.
1390
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001391- Issue #5052: make Distutils compatible with 2.3 again.
1392
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00001393- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
1394 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001395
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001396- Issue #5287: Add exception handling around findCaller() call to help out
1397 IronPython.
1398
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00001399- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
1400 The file was resized to wrong size.
1401
1402- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
1403
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001404- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00001405 from the package_data and the data_files metadata.
1406
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001407- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00001408 support.TempdirManager, to avoid writing in the tests directory.
1409
Tarek Ziadé68c50952009-02-13 23:04:17 +00001410- Issue #4524: distutils build_script command failed with --with-suffix=3.
1411 Initial patch by Amaury Forgeot d'Arc.
1412
Tarek Ziadé811d6242009-02-13 22:26:15 +00001413- Issue #2461: added tests for distutils.util
1414
Mark Dickinsonc28ad272009-02-12 17:58:36 +00001415- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
1416 which inherited from numbers.py which did not have __slots__ defined. The
1417 numbers hierarchy now has its own __slots__ declarations.
1418
Antoine Pitroub353c122009-02-11 00:39:14 +00001419- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
1420 encoding.
1421
Thomas Heller465c8022009-02-10 18:59:04 +00001422- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
1423 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
1424
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00001425- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
1426 under NT and OS2. Patch by Philip Jenvey.
1427
Brett Cannonbefb14f2009-02-10 02:10:16 +00001428- Issue #5128: Make compileall properly inspect bytecode to determine if needs
1429 to be recreated. This avoids a timing hole thanks to the old reliance on the
1430 ctime of the files involved.
1431
Guilherme Polob681df42009-02-09 22:33:59 +00001432- Issue #5122: Synchronize tk load failure check to prevent a potential
1433 deadlock.
1434
Benjamin Petersona86f2c02009-02-10 02:41:10 +00001435- Issue #1818: collections.namedtuple() now supports a keyword argument
1436 'rename' which lets invalid fieldnames be automatically converted to
1437 positional names in the form, _1, _2, ...
1438
Guilherme Poloae098992009-02-09 16:44:24 +00001439- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
1440
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00001441- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
1442 public documented method ``ZipImporter.get_filename()``.
1443
Nick Coghlan3f48ae32009-02-08 01:58:26 +00001444- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
1445 the execution of packages by looking for and executing a ``__main__``
1446 submodule when a package name is supplied. Initial patch by Andi
1447 Vajda.
1448
Guilherme Polo491aee22009-02-06 23:16:11 +00001449- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
1450 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
1451 Tkapp_Call when calling from a thread different than the one that created
1452 the Tcl interpreter. Patch by Robert Hancock.
1453
Eric Smith0e5b5622009-02-06 01:32:42 +00001454- Issue #4285: Change sys.version_info to be a named tuple. Patch by
1455 Ross Light.
1456
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001457- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00001458 environment/Makefile. Patch by Douglas Greiman.
1459
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00001460- Issue #1276768: The verbose option was not used in the code of
1461 distutils.file_util and distutils.dir_util.
1462
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001463- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00001464 --enabled-shared activated. Initial patch by Dave Peterson.
1465
Guilherme Polo7f423952009-02-02 21:17:09 +00001466- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
1467
Raymond Hettinger85602262009-02-03 04:19:10 +00001468- The shelve module now defaults to pickle protocol 3.
1469
Brett Cannone61426e2009-01-30 01:31:34 +00001470- Fix a bug in the trace module where a bytes object from co_lnotab had its
1471 items being passed through ord().
1472
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00001473- Issue #2047: shutil.move() could believe that its destination path was
1474 inside its source path if it began with the same letters (e.g. "src" vs.
1475 "src.new").
1476
Guilherme Polo5f238482009-01-28 14:41:10 +00001477- Added the ttk module. See issue #2983: Ttk support for Tkinter.
1478
Raymond Hettinger89e12962009-01-26 02:09:03 +00001479- Removed isSequenceType(), isMappingType, and isNumberType() from the
1480 operator module; use the abstract base classes instead. Also removed
1481 the repeat() function; use mul() instead.
1482
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001483- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00001484 collections.namedtuple() relied on __name__ being defined.
1485
1486- Backport importlib from Python 3.1. Only the import_module() function has
1487 been backported to help facilitate transitions from 2.7 to 3.1.
1488
Tarek Ziadé0302cf52009-01-26 17:23:20 +00001489- Issue #1885: distutils. When running sdist with --formats=tar,gztar
1490 the tar file was overriden by the gztar one.
1491
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00001492- Issue #4863: distutils.mwerkscompiler has been removed.
1493
Raymond Hettingerd07d9392009-01-27 04:20:44 +00001494- Added a new itertools functions: combinations_with_replacement()
1495 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00001496
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001497- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00001498 allowed non-integer arguments.
1499
Jesse Noller41faa542009-01-25 03:45:53 +00001500- Fix and properly document the multiprocessing module's logging
1501 support, expose the internal levels and provide proper usage
1502 examples.
1503
Mark Dickinsoncddcf442009-01-24 21:46:33 +00001504- Issue #1672332: fix unpickling of subnormal floats, which was
1505 producing a ValueError on some platforms.
1506
Martin v. Löwisacbf4612009-01-24 16:19:45 +00001507- Issue #3881: Help Tcl to load even when started through the
1508 unreadable local symlink to "Program Files" on Vista.
1509
Martin v. Löwis59e47792009-01-24 14:10:07 +00001510- Issue #4710: Extract directories properly in the zipfile module;
1511 allow adding directories to a zipfile.
1512
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001513- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00001514 --without-threads argument. When this occurs, _multiprocessing will
1515 be disabled, and not compiled.
1516
Antoine Pitrou08838b62009-01-21 00:55:13 +00001517- Issue #5008: When a file is opened in append mode with the new IO library,
1518 do an explicit seek to the end of file (so that e.g. tell() returns the
1519 file size rather than 0). This is consistent with the behaviour of the
1520 traditional 2.x file object.
1521
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001522- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
1523 parameter was set.
1524
Mark Dickinson8dd05142009-01-20 20:43:58 +00001525- Issue #4842: Always append a trailing 'L' when pickling longs using
1526 pickle protocol 0. When reading, the 'L' is optional.
1527
Brett Cannonafccd632009-01-20 02:21:27 +00001528- Add the importlib package.
1529
Jesse Noller9a0fc972009-01-18 21:12:58 +00001530- Issue #4301: Patch the logging module to add processName support, remove
1531 _check_logger_class from multiprocessing.
1532
Jesse Noller1cbb17a2009-01-18 19:45:18 +00001533- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001534 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00001535
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00001536- Issue #4959: inspect.formatargspec now works for keyword only arguments
1537 without defaults.
1538
Jesse Noller6214edd2009-01-19 16:23:53 +00001539- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
1540 for *nix machines for negative handles and large int handles. Without this check
1541 it is possible to segfault the interpreter.
1542
Jesse Nollerb0516a62009-01-18 03:11:38 +00001543- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
1544 in sharedctypes.py.
1545
1546- Issue #1225107: inspect.isclass() returned True for instances with a custom
1547 __getattr__.
1548
Gregory P. Smithde3369f2009-01-12 04:50:11 +00001549- Issue #3826 and #4791: The socket module now closes the underlying socket
1550 appropriately when it is being used via socket.makefile() objects
1551 rather than delaying the close by waiting for garbage collection to do it.
1552
Raymond Hettingerb8baf632009-01-14 02:20:07 +00001553- Issue #1696199: Add collections.Counter() for rapid and convenient
1554 counting.
1555
Antoine Pitrou308705e2009-01-10 16:22:51 +00001556- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
1557
Thomas Heller5e4e4272009-01-08 09:34:20 +00001558- Issue #4867: Fixed a crash in ctypes when passing a string to a
1559 function without defining argtypes.
1560
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00001561- Issue #4272: Add an optional argument to the GzipFile constructor to override
1562 the timestamp in the gzip stream. The default value remains the current time.
1563 The information can be used by e.g. gunzip when decompressing. Patch by
1564 Jacques Frechet.
1565
Mark Dickinson315a20a2009-01-04 21:34:18 +00001566- Restore Python 2.3 compatibility for decimal.py.
1567
Guilherme Polo3f5f8222009-01-03 22:00:39 +00001568- Issue #3638: Remove functions from _tkinter module level that depend on
1569 TkappObject to work with multiple threads.
1570
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001571- Issue #4718: Adapt the wsgiref package so that it actually works with
1572 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00001573 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
1574
Raymond Hettinger771ed762009-01-03 19:20:32 +00001575- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
1576 to the decimal module.
1577
Georg Brandl3a9b0622009-01-03 22:07:57 +00001578- Fractions.from_float() no longer loses precision for integers too big to
1579 cast as floats.
1580
Mark Dickinsonf9236412009-01-02 23:23:21 +00001581- Issue #4812: add missing underscore prefix to some internal-use-only
1582 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
1583
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001584- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00001585 did unnecessary work in the common case where no key function was specified.
1586
Georg Brandlb1441c72009-01-03 22:33:39 +00001587- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
1588 the function is not a generator.
1589
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001590- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
1591 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00001592
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001593- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00001594 function. Original patch by Thomas Heller.
1595
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00001596- Issue #3767: Convert Tk object to string in tkColorChooser.
1597
Martin v. Löwise354d782008-12-29 16:03:04 +00001598- Issue #3248: Allow placing ScrolledText in a PanedWindow.
1599
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00001600- Issue #4444: Allow assertRaises() to be used as a context handler, so that
1601 the code under test can be written inline if more practical.
1602
Georg Brandldb7b6b92009-01-01 15:53:14 +00001603- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
1604 works as expected in the interactive environment.
1605
Antoine Pitroudb5fe662008-12-27 15:50:40 +00001606- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
1607 Gabriel Genellina.
1608
Antoine Pitrou180a3362008-12-14 16:36:46 +00001609- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
1610 boundary.
1611
Nick Coghlanf088e5e2008-12-14 11:50:48 +00001612- Issue #4223: inspect.getsource() will now correctly display source code
1613 for packages loaded via zipimport (or any other conformant PEP 302
1614 loader). Original patch by Alexander Belopolsky.
1615
1616- Issue #4201: pdb can now access and display source code loaded via
1617 zipimport (or any other conformant PEP 302 loader). Original patch by
1618 Alexander Belopolsky.
1619
1620- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
1621 302 conformant loader) will now work correctly in most cases (they
1622 are still subject to the constraints that exist for all code running
1623 from inside a module loaded via a PEP 302 loader and attempting to
1624 perform IO operations based on __file__). Original patch by
1625 Alexander Belopolsky.
1626
1627- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
1628 allows backporting to maintenance branches. Original patch by
1629 Alexander Belopolsky.
1630
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00001631- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
1632 a non-ASCII letter.
1633
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00001634- Issue #4616: TarFile.utime(): Restore directory times on Windows.
1635
Benjamin Peterson433f32c2008-12-12 01:25:05 +00001636- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
1637 codec cannot be found. This is for compatibility with the builtin behavior.
1638
Facundo Batista708d5812008-12-11 04:20:07 +00001639- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
1640 give correct results in the case where one argument is a quiet NaN
1641 and the other is a finite number that requires rounding.
1642
Skip Montanaroc1ce2862008-12-06 17:25:02 +00001643- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
1644 libs.
1645
Georg Brandlf9734072008-12-07 15:30:06 +00001646- Added the subprocess.check_call_output() convenience function to get output
1647 from a subprocess on success or raise an exception on error.
1648
1649- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1650 support unusual filenames (such as those containing semi-colons) in
1651 Content-Disposition headers.
1652
1653- Issue #4384: Added logging integration with warnings module using
1654 captureWarnings(). This change includes a NullHandler which does nothing;
1655 it will be of use to library developers who want to avoid the "No handlers
1656 could be found for logger XXX" message which can appear if the library user
1657 doesn't configure logging.
1658
1659- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
1660 exception.
1661
Georg Brandleee31162008-12-07 15:15:22 +00001662- Issue #4529: fix the parser module's validation of try-except-finally
1663 statements.
1664
1665- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
1666 not a malformed option.
1667
1668- Added the subprocess.check_output() convenience function to get output
1669 from a subprocess on success or raise an exception on error.
1670
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00001671- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
1672 the corresponding tests now pass.
1673
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00001674- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
1675 it was calling the wrong open() function.
1676
Fred Drake9a0a65b2008-12-04 19:24:50 +00001677- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1678 support unusual filenames (such as those containing semi-colons) in
1679 Content-Disposition headers.
1680
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00001681- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
1682 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
1683
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00001684- Issue #5104: The socket module now raises OverflowError when 16-bit port and
1685 protocol numbers are supplied outside the allowed 0-65536 range on bind()
1686 and getservbyport().
1687
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00001688- Windows locale mapping updated to Vista.
1689
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001690Tools/Demos
1691-----------
1692
Antoine Pitrou8a681222009-02-07 17:13:31 +00001693- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
1694 and make it 2.6-compatible.
1695
Guilherme Poloa7d27972009-01-28 16:06:51 +00001696- Ttk demos added in Demo/tkinter/ttk/
1697
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001698- Issue #4677: add two list comprehension tests to pybench.
1699
Georg Brandlb1441c72009-01-03 22:33:39 +00001700
1701Build
1702-----
1703
Benjamin Petersonf53eec82009-05-23 19:36:27 +00001704- Issue #6094: Build correctly with Subversion 1.7.
1705
Martin v. Löwis8482ef92009-05-05 16:14:30 +00001706- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
1707
Antoine Pitrou8966c992009-05-01 21:18:27 +00001708- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
1709 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
1710
Matthias Klose55708cc2009-04-30 08:06:49 +00001711- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00001712 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00001713
Matthias Klose906785c2009-02-22 23:18:38 +00001714- Link the shared python library with $(MODLIBS).
1715
Martin v. Löwis11f72102009-02-10 13:13:30 +00001716- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
1717
Martin v. Löwisbc186a82009-02-02 15:32:22 +00001718- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
1719
Martin v. Löwise97637d2009-01-11 09:45:11 +00001720- Issue #4895: Use _strdup on Windows CE.
1721
Georg Brandlb1441c72009-01-03 22:33:39 +00001722- Issue #4472: "configure --enable-shared" now works on OSX
1723
1724- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
1725
1726- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
1727
1728- Issue #4289: Remove Cancel button from AdvancedDlg.
1729
1730- Issue #1656675: Register a drop handler for .py* files on Windows.
1731
1732- Issue #4120: Exclude manifest from extension modules in VS2008.
1733
1734- Issue #4091: Install pythonxy.dll in system32 again.
1735
1736- Issue #4018: Disable "for me" installations on Vista.
1737
1738- Issue #3758: Add ``patchcheck`` build target to .PHONY.
1739
1740- Issue #4204: Fixed module build errors on FreeBSD 4.
1741
1742
1743C-API
1744-----
1745
Mark Dickinson21776072009-02-10 16:13:25 +00001746- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
1747 for negative arguments. Previously, it raised TypeError.
1748
Georg Brandlb1441c72009-01-03 22:33:39 +00001749- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
1750
1751- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
1752 the GIL is released, or owned by another thread.
1753
1754- Issue #4122: On Windows, fix a compilation error when using the
1755 Py_UNICODE_ISSPACE macro in an extension module.
1756
1757
Mark Dickinsone675f082008-12-11 21:56:00 +00001758Extension Modules
1759-----------------
1760
Gregory P. Smith365a1862009-02-12 07:35:29 +00001761- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
1762 supporting objects as input no matter how it was compiled (built in
1763 implementations or external openssl library).
1764
Mark Dickinson29500f62009-01-15 15:36:10 +00001765- Issue #4397: Fix occasional test_socket failure on OS X.
1766
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00001767- Issue #4279: Fix build of parsermodule under Cygwin.
1768
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00001769- Issue #4751: hashlib now releases the GIL when hashing large buffers
1770 (with a hardwired threshold of 2048 bytes), allowing better parallelization
1771 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
1772
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001773- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
1774
Antoine Pitrou31f30b12009-01-02 17:34:35 +00001775- Issue #4738: Each zlib object now has a separate lock, allowing to compress
1776 or decompress several streams at once on multi-CPU systems. Also, the GIL
1777 is now released when computing the CRC of a large buffer. Patch by ebfe.
1778
Georg Brandlb1441c72009-01-03 22:33:39 +00001779- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
1780
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00001781- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
1782
Mark Dickinsone675f082008-12-11 21:56:00 +00001783- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
1784 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00001785
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00001786- Issue #4583: array.array would not always prohibit resizing when a buffer
1787 has been exported, resulting in an interpreter crash when accessing the
1788 buffer.
1789
Martin v. Löwis841edad2008-11-30 10:36:49 +00001790
Jack Diederiche0cbd692009-04-01 04:27:09 +00001791- Issue #5228: Make functools.partial objects can now be pickled.
1792
Guilherme Polo9de29af2009-01-28 20:40:48 +00001793Tests
1794-----
1795
Guilherme Polo2a998fa2009-06-21 17:40:07 +00001796- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
1797 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
1798 the same behaviour as test_ttkguionly (and now also test_tk) which is to
1799 skip the tests if DISPLAY is defined but can't be used.
1800
R. David Murraya21e4ca2009-03-31 23:16:50 +00001801- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001802 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00001803 from test support, which does the conversion.
1804
Guilherme Polo9de29af2009-01-28 20:40:48 +00001805- Issue #5083: New 'gui' resource for regrtest.
1806
1807
Brett Cannon7317c1e2008-11-25 19:19:17 +00001808Docs
1809----
1810
Georg Brandl52b92cc2008-05-25 09:43:03 +00001811
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001812**(For information about older versions, consult the HISTORY file.)**