blob: 6aed9597d2bb891547d06128c435b7c3a6c68c6c [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
Benjamin Petersone8fb2032009-06-27 22:03:18 +00007What's New in Python 3.1.1?
8===========================
9
10*Release date: XX-XX-XXXX"
11
12Core and Builtins
13-----------------
14
R. David Murray10fc3952009-07-19 02:25:02 +000015- Issue #6070: On posix platforms import no longer copies the execute bit
16 from the .py file to the .pyc file if it is set.
17
Amaury Forgeot d'Arc79fa5ab2009-07-07 00:45:43 +000018- Issue #6428: Since Python 3.0, the __bool__ method must return a bool
19 object, and not an int. Fix the corresponding error message, and the
20 documentation.
21
Mark Dickinson8c1e2942009-06-30 15:46:37 +000022- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
23 This fixes a build failure on HP-UX: int32_t and uint32_t are
24 defined in inttypes.h instead of stdint.h on that platform.
25
Amaury Forgeot d'Arc41a28732009-07-01 00:50:34 +000026- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and
Amaury Forgeot d'Arce5344d62009-06-29 22:38:54 +000027 the 'surrogateescape' error handler, a string which contains unpaired
28 surrogates.
29
Benjamin Petersone39d5d52009-07-02 22:02:15 +000030C-API
31-----
32
Benjamin Petersonb166ffd2009-07-03 13:33:17 +000033- Issue #6405: Remove duplicatet type declarations in descrobject.h.
34
Benjamin Petersone39d5d52009-07-02 22:02:15 +000035- The code flags for old __future__ features are now available again.
36
Benjamin Petersone8fb2032009-06-27 22:03:18 +000037Library
38-------
39
Mark Dickinson8d156432009-07-18 14:43:10 +000040- Issue #6431: Make Fraction type return NotImplemented when it doesn't
41 know how to handle a comparison without loss of precision. Also add
42 correct handling of infinities and nans for comparisons with float.
43
Hirokazu Yamamoto680ac292009-07-17 07:02:18 +000044- Issue #6415: Fixed warnings.warn sagfault on bad formatted string.
45
Amaury Forgeot d'Arc041b3ba2009-07-11 09:37:09 +000046- Issue #6358: The exit status of a command started with os.popen() was
47 reported differently than it did with python 2.x.
48
Amaury Forgeot d'Arcd31d4f22009-07-09 23:20:02 +000049- Issue #6323: The pdb debugger did not exit when running a script with a
50 syntax error.
51
Antoine Pitrou53f4ed72009-07-01 15:03:38 +000052- Issue #6369: Fix an RLE decompression bug in the binhex module.
53
Hirokazu Yamamoto4e82f2d2009-06-29 15:02:36 +000054- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
55
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +000056Build
57-----
58
Amaury Forgeot d'Arc7e077242009-07-02 23:57:11 +000059- Issue 4601: 'make install' did not set the appropriate permissions on
60 directories.
61
Martin v. Löwis9d49c1d2009-06-28 09:40:34 +000062- Issue 5390: Add uninstall icon independent of whether file
63 extensions are installed.
64
Brett Cannon10e35b32009-07-20 00:19:49 +000065Test
66----
67
68- Fix a test in importlib.test.source.test_abc_loader that was incorrectly
69 testing when a .pyc file lacked an code object bytecode.
70
Benjamin Petersone8fb2032009-06-27 22:03:18 +000071
Benjamin Peterson01bf2362009-06-13 14:50:22 +000072What's New in Python 3.1?
73=========================
74
75*Release date: 27-June-2009*
76
77Core and Builtins
78-----------------
79
Mark Dickinsonad195562009-06-24 19:01:32 +000080- Issue #6334: Fix bug in range length calculation for ranges with
81 large arguments.
82
Raymond Hettinger159eac92009-06-23 20:38:54 +000083- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
84 because it wasn't recognized as a sequence).
85
Benjamin Peterson01bf2362009-06-13 14:50:22 +000086Library
87-------
88
Vinay Sajip0f6eac22009-06-21 17:46:49 +000089- Issue #6314: logging.basicConfig() performs extra checks on the "level"
90 argument.
91
Facundo Batista10706e22009-06-19 20:34:30 +000092- Issue #6274: Fixed possible file descriptors leak in subprocess.py
93
Benjamin Peterson6a38ced2009-06-14 18:32:19 +000094- Accessing io.StringIO.buffer now raises an AttributeError instead of
95 io.UnsupportedOperation.
96
Vinay Sajip0f6eac22009-06-21 17:46:49 +000097- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +000098 (On Unix)
99
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000100- Issue #1202: zipfile module would cause a struct.error when attempting to
101 store files with a CRC32 > 2**31-1.
102
Matthias Kloseab2b7552009-06-22 13:05:52 +0000103Extension Modules
104-----------------
105
106- Issue #5590: Remove unused global variable in pyexpat extension.
107
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000108
Antoine Pitrou3b1b8072009-05-30 21:01:23 +0000109What's New in Python 3.1 Release Candidate 2?
110=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000111
Benjamin Petersonc7c12282009-06-13 13:15:04 +0000112*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000113
114Core and Builtins
115-----------------
116
Raymond Hettinger94f55832009-06-12 18:40:16 +0000117- Fixed SystemError triggered by "range([], 1, -1)".
118
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000119- Issue #5924: On Windows, a large PYTHONPATH environment variable
120 (more than 255 characters) would be completely ignored.
121
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000122- Issue #4547: When debugging a very large function, it was not always
123 possible to update the lineno attribute of the current frame.
124
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000125- Issue #5330: C functions called with keyword arguments were not reported by
126 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
127
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000128Library
129-------
130
Tarek Ziadé41fe2822009-07-12 08:39:08 +0000131- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
132 expression string pattern was trying to match against a bytes returned by
133 Popen. Tested under win32 to build the py-postgresql project.
134
Martin v. Löwis83eacca2009-06-12 17:31:41 +0000135- Issue #6258: Support AMD64 in bdist_msi.
136
R. David Murray58641de2009-06-12 15:33:19 +0000137- Issue #6195: fixed doctest to no longer try to read 'source' data from
138 binary files.
139
Vinay Sajipaffbd872009-06-11 10:11:47 +0000140- Issue #5262: Fixed bug in next rollover time computation in
141 TimedRotatingFileHandler.
142
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000143- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
144 errors property. Additionally, the errors and encoding properties of StringIO
145 are always None now.
146
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000147- Issue #6137: The pickle module now translates module names when loading
148 or dumping pickles with a 2.x-compatible protocol, in order to make data
149 sharing and migration easier. This behaviour can be disabled using the
150 new `fix_imports` optional argument.
151
Raymond Hettinger40925d22009-06-04 18:32:39 +0000152- Removed the ipaddr module.
153
Georg Brandlb54d8012009-06-04 09:11:51 +0000154- Issue #3613: base64.{encode,decode}string are now called
155 base64.{encode,decode}bytes which reflects what type they accept and return.
156 The old names are still there as deprecated aliases.
157
Georg Brandl317185a2009-06-04 09:00:56 +0000158- Issue #5767: Remove sgmlop support from xmlrpc.client.
159
Martin v. Löwis74b7e442009-06-01 04:23:07 +0000160- Issue #6150: Fix test_unicode on wide-unicode builds.
161
Antoine Pitrouc06de472009-05-30 21:04:26 +0000162- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
163 parameters.
164
Martin v. Löwis79b13872009-06-01 04:13:14 +0000165Windows
166-------
167
Martin v. Löwisb7a51562009-06-07 17:55:17 +0000168- Issue #6221: Delete test registry key before running the test.
169
Martin v. Löwis79b13872009-06-01 04:13:14 +0000170- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
171
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +0000172C-API
173-----
174
175- Issue #5735: Python compiled with --with-pydebug should throw an
176 ImportError when trying to import modules compiled without
177 --with-pydebug, and vice-versa.
178
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000179
Brett Cannonc6d936e2009-06-07 20:09:53 +0000180Build
181-----
182
183- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
184 added LIBS to OS X framework builds.
185
Ronald Oussoren99aab652009-06-08 21:22:57 +0000186- Issue #5809: Specifying both --enable-framework and --enable-shared is
187 an error. Configure now explicity tells you about this.
188
189
Brett Cannonc6d936e2009-06-07 20:09:53 +0000190
Mark Dickinson4eb88b32009-05-11 16:41:34 +0000191What's New in Python 3.1 release candidate 1?
192=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000193
Benjamin Petersone6ad3872009-05-30 15:30:16 +0000194*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000195
196Core and Builtins
197-----------------
198
Martin v. Löwis8ed91b22009-05-29 16:22:26 +0000199- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
200 of the command line.
201
Martin v. Löwisc15bdef2009-05-29 14:47:46 +0000202- Issue #6012: Add cleanup support to O& argument parsing.
203
Eric Smith41669ca2009-05-23 14:23:22 +0000204- Issue #6089: Fixed str.format with certain invalid field specifiers
205 that would raise SystemError.
206
Raymond Hettinger2bcde142009-05-29 04:52:27 +0000207- Issue #5982: staticmethod and classmethod now expose the wrapped
208 function with __func__.
209
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +0000210- Added support for multiple context managers in the same with-statement.
211 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +0000212
Mark Dickinson6b1e43b2009-05-20 18:41:04 +0000213- Issue #5829: complex("1e500") no longer raises OverflowError. This
214 makes it consistent with float("1e500") and interpretation of real
215 and imaginary literals.
216
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +0000217- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
218
R. David Murraydd226ea2009-05-13 12:27:21 +0000219- Issue #5994: the marshal module now has docstrings.
220
Mark Dickinsond1ec8b22009-05-11 15:45:15 +0000221- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
222 (1) inf and nan strings with trailing whitespace were incorrectly
223 rejected; (2) parsing of strings representing infinities and nans
224 was locale aware; and (3) the interpretation of fromhex('-nan')
225 didn't match that of float('-nan').
226
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000227Library
228-------
229
Martin v. Löwisb6a748b2009-05-29 15:23:17 +0000230- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
231
R. David Murrayfb123912009-05-28 18:19:00 +0000232- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
233
R. David Murray1f1b9d32009-05-27 20:56:59 +0000234- Issue #6121: pydoc now ignores leading and trailing spaces in the
235 argument to the 'help' function.
236
Georg Brandlfaf41492009-05-26 18:31:11 +0000237- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
238 arguments for strings with a space in them.
239
Raymond Hettinger089ba7f2009-05-27 00:38:24 +0000240- collections.namedtuple() was not working with the following field
241 names: cls, self, tuple, itemgetter, and property.
242
Benjamin Peterson14a3dd72009-05-25 00:51:58 +0000243- In unittest, using a skipping decorator on a class is now equivalent to
244 skipping every test on the class. The ClassTestSuite class has been removed.
245
Martin v. Löwis70ccd162009-05-24 19:47:22 +0000246- Issue #6050: Don't fail extracting a directory from a zipfile if
247 the directory already exists.
248
Antoine Pitrou61f77b52009-05-24 15:46:13 +0000249- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
250 than an int, which makes some operations possible under 64-bit Linux (e.g.
251 DN_MULTISHOT with F_NOTIFY).
252
Antoine Pitrou716c4442009-05-23 19:04:03 +0000253- Issue #5761: Add the name of the underlying file to the repr() of various
254 IO objects.
255
R. David Murraycaa27b72009-05-23 18:49:56 +0000256- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
257 by Musashi Tamura, tests by Marcin Bachry.
258
Antoine Pitrouc3ee1662009-05-23 16:02:33 +0000259- Issue #1983: Fix functions taking or returning a process identifier to use
260 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
261 a process identifier type wider than the standard C integer type.
262
R. David Murray87e20742009-05-23 01:30:26 +0000263- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
264 Patch by Farhan Ahmad, test by Marcin Bachry.
265
Antoine Pitrou6e610062009-05-15 17:04:50 +0000266- Issue #2116: Weak references and weak dictionaries now support copy()ing and
267 deepcopy()ing.
268
Antoine Pitrouc1d09362009-05-15 12:15:51 +0000269- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
270
Antoine Pitrou37d1c182009-05-14 21:54:00 +0000271- Issue #5918: Fix a crash in the parser module.
272
Antoine Pitrou2ca24f02009-05-14 21:30:46 +0000273- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
274
Antoine Pitroue4501852009-05-14 18:55:55 +0000275- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
276 library. This means, for example, that opening an UTF-16 text file in
277 append mode doesn't add a BOM at the end of the file if the file isn't
278 empty.
279
R. David Murray74b89242009-05-13 17:33:03 +0000280- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
281 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
282 corrects a pydoc regression.
283
R. David Murray99352742009-05-07 18:24:38 +0000284- Issue 5955: aifc's close method did not close the file it wrapped,
285 now it does. This also means getfp method now returns the real fp.
286
Benjamin Peterson932073a2009-05-23 16:14:33 +0000287Installation
288------------
289
290- Issue #6047: fullinstall has been removed because Python 3's executable will
291 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000292
Ronald Oussorenbe7149e2009-05-26 21:39:08 +0000293- Lib/smtpd.py is no longer installed as a script.
294
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000295Extension Modules
296-----------------
297
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +0000298- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +0000299
Martin v. Löwise23c8682009-05-29 16:01:34 +0000300- Issue #4873: Fix resource leaks in error cases of pwd and grp.
301
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000302- Issue #6093: Fix off-by-one error in locale.strxfrm.
303
Benjamin Peterson744af442009-05-23 18:51:49 +0000304- The _functools and _locale modules are now built into the libpython shared
305 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +0000306
Antoine Pitrou20327222009-05-24 20:39:11 +0000307Build
308-----
309
310- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
311 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
312 Clinton Roy.
313
Brett Cannon1262e7c2009-05-11 01:47:11 +0000314Tests
315-----
316
317- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
318 tests on darwin even when the OS was installed on a case-sensitive
319 filesystem. Also fixed tests that should not be run when
320 sys.dont_write_bytecode is true.
321
322
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000323What's New in Python 3.1 beta 1?
324================================
325
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +0000326*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000327
328Core and Builtins
329-----------------
330
Mark Dickinson865e01a2009-05-07 16:37:01 +0000331- Issue #5914: Add new C API function PyOS_string_to_double, and
332 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
333
Eric Smith741191f2009-05-06 13:08:15 +0000334- Issue #3382: float.__format__, complex.__format__, and %-formatting
335 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
336 affects nan -> NAN and inf -> INF.
337
Mark Hammond5a607a32009-05-06 08:04:54 +0000338- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
339 in all operations, including splitdrive, split, etc. splitunc() now issues
340 a PendingDeprecation warning.
341
Eric Smith63376222009-05-05 14:04:18 +0000342- Issue #5920: For float.__format__, change the behavior with the
343 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
344 to be like 'g' but with at least one decimal point and with a
345 default precision of 12. Previously, the behavior the same but with
346 a default precision of 6. This more closely matches str(), and
347 reduces surprises when adding alignment flags to the empty
348 presentation type. This also affects the new complex.__format__ in
349 the same way.
350
Martin v. Löwis011e8422009-05-05 04:43:17 +0000351- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
352
R. David Murrayb18500d2009-05-04 22:59:07 +0000353- Issue #5890: in subclasses of 'property' the __doc__ attribute was
354 shadowed by classtype's, even if it was None. property now
355 inserts the __doc__ into the subclass instance __dict__.
356
Antoine Pitrou244651a2009-05-04 18:56:13 +0000357- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
358 sequences. Patch by Nick Barnes and Victor Stinner.
359
Martin v. Löwise0a2b722009-05-10 08:08:56 +0000360- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +0000361
Benjamin Petersond2e0c792009-05-01 20:40:59 +0000362- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
363 received a new method, detach(). detach() disconnects the underlying stream
364 from the buffer or text IO and returns it.
365
Mark Dickinson33841c32009-05-01 15:37:04 +0000366- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
367 floats with absolute value over 1e50. Also remove length
368 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
369 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +0000370
Eric Smith741191f2009-05-06 13:08:15 +0000371- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +0000372 format(complex(1, 2./3), '.5') now produces a sensible result.
373
Mark Dickinsond3ca5572009-04-29 18:47:07 +0000374- Issue #5864: Fix empty format code formatting for floats so that it
375 never gives more than the requested number of significant digits.
376
Eric Smith6dc46f52009-04-27 20:39:49 +0000377- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
378 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
379
Eric Smithcc32a112009-04-26 21:35:14 +0000380- Issue #5835: Deprecate PyOS_ascii_formatd.
381
Martin v. Löwis71efeb72009-04-26 01:02:07 +0000382- Issue #4971: Fix titlecase for characters that are their own
383 titlecase, but not their own uppercase.
384
Benjamin Peterson193152c2009-04-25 01:08:45 +0000385- Issue #5283: Setting __class__ in __del__ caused a segfault.
386
Mark Dickinsonad476da2009-04-23 19:14:16 +0000387- Issue #5816: complex(repr(z)) now recovers z exactly, even when
388 z involves nans, infs or negative zeros.
389
Mark Dickinson4a16e3a2009-04-23 19:15:48 +0000390- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +0000391
Mark Dickinsone6a076d2009-04-18 11:48:33 +0000392- Issue #1869 (and many duplicates): make round(x, n) correctly
393 rounded for a float x, by using the decimal <-> binary conversions
394 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
395 consistently agrees with format(x, '.2f').
396
Benjamin Petersonae937c02009-04-18 20:54:08 +0000397- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
398 some builtin types.
399
Eric Smith0923d1d2009-04-16 20:16:10 +0000400- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
401
Eric Smith35e84722009-04-16 20:21:28 +0000402- Issue #5515: str.format() type 'n' combined with commas and leading
403 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +0000404
405- Implement PEP 378, Format Specifier for Thousands Separator, for
406 floats.
407
Mark Dickinson3370cce2009-04-17 22:40:53 +0000408- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000409 1e11, not 1e12. This avoids printing 13 significant digits in
410 situations where only 12 of them are correct. Example problem
411 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
412 long time.)
413
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000414- Issue #1580: On most platforms, use a 'short' float repr: for a
415 finite float x, repr(x) now outputs a string based on the shortest
416 sequence of decimal digits that rounds to x. Previous behaviour was
417 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +0000418 Another minor difference is that the new repr switches to
419 exponential notation at 1e16 instead of the previous 1e17; this
420 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000421
422 There's a new sys attribute sys.float_repr_style, which takes
423 the value 'short' to indicate that we're using short float repr,
424 and 'legacy' if the short float repr isn't available for one
425 reason or another.
426
427 The float repr change involves incorporating David Gay's 'perfect
428 rounding' code into the Python core (it's in Python/dtoa.c). As a
429 secondary consequence, all string-to-float and float-to-string
430 conversions (including all float formatting operations) will be
431 correctly rounded on these platforms.
432
433 See issue 1580 discussions for details of platforms for which
434 this change does not apply.
435
Benjamin Peterson2808d3c2009-04-15 21:34:27 +0000436- Issue #5759: float() didn't call __float__ on str subclasses.
437
Georg Brandlabc38772009-04-12 15:51:51 +0000438- The string.maketrans() function is deprecated; there is a new static method
439 maketrans() on the bytes and bytearray classes. This removes confusion about
440 the types string.maketrans() is supposed to work with, and mirrors the
441 methods available on the str class.
442
R. David Murraydc6da8a2009-04-09 22:16:43 +0000443- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
444 its clarity and its speed.
445
Matthias Klose091c7b12009-04-07 13:24:27 +0000446- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
447 to avoid compiler warnings.
448
Walter Dörwald8dc33d52009-05-06 14:41:26 +0000449- Issue #3739: The unicode-internal encoder now reports the number of characters
450 consumed like any other encoder (instead of the number of bytes).
451
Benjamin Peterson0b4915e2009-04-25 21:11:45 +0000452Installation
453------------
454
455- Issue #5756: Install idle and pydoc with a 3 suffix.
456
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000457Library
458-------
459
Martin v. Löwis403117a2009-05-24 19:19:17 +0000460- Issue #5311: bdist_msi can now build packages that do not depend on a
461 specific Python version.
462
Raymond Hettingereb816952009-05-29 01:22:18 +0000463- Issue #5150: IDLE's format menu now has an option to strip trailing
464 whitespace.
465
Vinay Sajipaffbd872009-06-11 10:11:47 +0000466- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +0000467 the right type checkings anymore.
468
Thomas Heller00cfc372009-05-05 19:04:40 +0000469- Issue #4875: On win32, ctypes.util.find_library does no longer
470 return directories.
471
Georg Brandl243ad662009-05-05 09:00:19 +0000472- Issue #5142: Add the ability to skip modules while stepping to pdb.
473
Georg Brandl991f9202009-05-05 08:31:54 +0000474- Issue #1309567: Fix linecache behavior of stripping subdirectories when
475 looking for files given by a relative filename.
476
Georg Brandleaa84ef2009-05-05 08:14:33 +0000477- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
478 turtle demos in Demo/turtle.
479
Antoine Pitrou3c33e082009-05-04 21:21:36 +0000480- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
481 extracting a file to the root directory.
482
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +0000483- Issue #5913: os.listdir() should fail for empty path on windows.
484
Antoine Pitroua9f48a02009-05-02 21:41:14 +0000485- Issue #5084: unpickling now interns the attribute names of pickled objects,
486 saving memory and avoiding growth in size of subsequent pickles. Proposal
487 and original patch by Jake McGuire.
488
Benjamin Petersonc6b607d2009-05-02 12:36:44 +0000489- The json module now works exclusively with str and not bytes.
490
Gregory P. Smithe54dff52009-05-01 22:13:48 +0000491- Issue #3959: The ipaddr module has been added to the standard library.
492 Contributed by Google.
493
Antoine Pitrou7fff0962009-05-01 21:09:44 +0000494- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
495 error when a named pipe is encountered, rather than blocking infinitely.
496
Raymond Hettinger1f0db402009-04-29 00:38:08 +0000497- Issue #5857: tokenize.tokenize() now returns named tuples.
498
Thomas Hellerc1edc2d2009-04-28 19:55:58 +0000499- Issue #4305: ctypes should now build again on mipsel-linux-gnu
500
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +0000501- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
502 string is already in normalized form, by performing a quick check beforehand.
503 Original patch by Rauli Ruohonen.
504
Antoine Pitrou57f3d932009-04-27 21:04:19 +0000505- Issue #5853: calling a function of the mimetypes module from several threads
506 at once could hit the recursion limit if the mimetypes database hadn't been
507 initialized before.
508
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000509- Issue #5854: Updated __all__ to include some missing names and remove some
510 names which should not be exported.
511
Thomas Heller34596a92009-04-24 20:50:00 +0000512- Issue #3102: All global symbols that the _ctypes extension defines
513 are now prefixed with 'Py' or '_ctypes'.
514
515- Issue #5041: ctypes does now allow pickling wide character.
516
Mark Dickinsond4d95f82009-04-24 14:06:19 +0000517- Issue #5812: For the two-argument form of the Fraction constructor,
518 Fraction(m, n), m and n are permitted to be arbitrary Rational
519 instances.
520
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +0000521- Issue #5812: Fraction('1e6') is valid: more generally, any string
522 that's valid for float() is now valid for Fraction(), with the
523 exception of strings representing NaNs and infinities.
524
Antoine Pitroucf4c7492009-04-19 00:09:36 +0000525- Issue #5734: BufferedRWPair was poorly tested and had several glaring
526 bugs. Patch by Brian Quinlan.
527
R. David Murray9e94ddf2009-04-13 17:06:33 +0000528- Issue #1161031: fix readwrite select flag handling: POLLPRI now
529 results in a handle_expt_event call, not handle_read_event, and POLLERR
530 and POLLNVAL now call handle_close, not handle_expt_event. Also,
531 dispatcher now has an 'ignore_log_types' attribute for suppressing
532 log messages, which is set to 'warning' by default.
533
Matthias Klosea3d29e82009-04-07 13:13:10 +0000534- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
535 new arguments introduced in 2.5.
536
Walter Dörwald1b08b302009-04-25 14:13:56 +0000537- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
538 makeunicodedata.py and regenerated the Unicode database (This fixes
539 u'\u1d79'.lower() == '\x00').
540
Matthias Klose535336f2009-04-07 13:49:45 +0000541Extension Modules
542-----------------
543
Benjamin Petersone04b6272009-05-04 22:25:21 +0000544- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
545 pwd.
546
Mark Dickinsonea835e72009-04-19 20:40:33 +0000547- Issue #5463: In struct module, remove deprecated float coercion
548 for integer type codes: struct.pack('L', 0.3) should now raise
549 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
550 The version number has been bumped to 0.3.
551
Matthias Klose535336f2009-04-07 13:49:45 +0000552- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
553 using Berkley-DB.
554
Nick Coghlan47384702009-04-22 16:13:36 +0000555Tests
556-----
557
558- Issue #5354: New test support function import_fresh_module() makes
559 it easy to import both normal and optimised versions of modules.
560 test_heapq and test_warnings have been adjusted to use it, tests for
561 other modules with both C and Python implementations in the stdlib
562 can be adjusted to use it over time.
563
Walter Dörwald4ba80132009-04-25 12:48:43 +0000564- Issue #5837: Certain sequences of calls to set() and unset() for
565 support.EnvironmentVarGuard objects restored the environment variables
566 incorrectly on __exit__.
567
Benjamin Petersonb173f782009-05-05 22:31:58 +0000568C-API
569-----
570
571- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
572
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000573
Benjamin Petersond1735892009-03-07 18:46:21 +0000574What's New in Python 3.1 alpha 2?
575=================================
576
Benjamin Peterson88f14352009-04-04 21:06:52 +0000577*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +0000578
579Core and Builtins
580-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +0000581
Eric Smith1e1d7d22009-04-03 22:25:33 +0000582- Implement PEP 378, Format Specifier for Thousands Separator, for
583 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +0000584
Benjamin Peterson8f76b492009-04-03 22:22:42 +0000585- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
586
Benjamin Peterson7fe98532009-04-02 00:33:55 +0000587- Issue #5499: The 'c' code for argument parsing functions now only accepts a
588 byte, and the 'C' code only accepts a unicode character.
589
Georg Brandl406b3d82009-04-11 21:24:37 +0000590- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
591 when hitting the recursion limit under certain circumstances.
592
Brett Cannon0759dd62009-04-01 18:13:07 +0000593- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
594
Georg Brandlab6f2f62009-03-31 04:16:10 +0000595- Fix a segfault when running test_exceptions with coverage, caused by
596 insufficient checks in accessors of Exception.__context__.
597
Guido van Rossum0ad59d42009-03-30 22:01:35 +0000598- Issue #5604: non-ASCII characters in module name passed to
599 imp.find_module() were converted to UTF-8 while the path is
600 converted to the default filesystem encoding, causing nonsense.
601
Benjamin Peterson09832742009-03-26 17:15:46 +0000602- Issue #5126: str.isprintable() returned False for space characters.
603
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +0000604- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
605 the end sys.path, for compatibility with the system install of Python.
606
Antoine Pitrou3a652b12009-03-23 18:52:06 +0000607- Issue #4688: Add a heuristic so that tuples and dicts containing only
608 untrackable objects are not tracked by the garbage collector. This can
609 reduce the size of collections and therefore the garbage collection overhead
610 on long-running programs, depending on their particular use of datatypes.
611
Mark Dickinson17e4fdd2009-03-23 18:44:57 +0000612- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
613 improve its performance. Long divisions and remainder operations
614 are now between 50% and 150% faster.
615
Mark Dickinsonbd792642009-03-18 20:06:12 +0000616- Issue #4258: Make it possible to use base 2**30 instead of base
617 2**15 for the internal representation of integers, for performance
618 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
619 --enable-big-digits option to configure, which overrides the
620 default. Add sys.int_info structseq to provide information about
621 the internal format.
622
Mark Dickinson081dfee2009-03-18 14:47:41 +0000623- Issue #4474: PyUnicode_FromWideChar now converts characters outside
624 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
625 and sizeof(Py_UNICODE) == 2.
626
Eric Smith8ec90442009-03-14 12:29:34 +0000627- Issue #5237: Allow auto-numbered fields in str.format(). For
628 example: '{} {}'.format(1, 2) == '1 2'.
629
Antoine Pitrou652e7072009-03-13 19:25:20 +0000630- Issue #5392: when a very low recursion limit was set, the interpreter would
631 abort with a fatal error after the recursion limit was hit twice.
632
Matthias Klose042f1332009-04-04 14:32:42 +0000633- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
634 short file names.
635
Benjamin Petersond1735892009-03-07 18:46:21 +0000636Library
637-------
638
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000639- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +0000640 mailbox.MH.get_message().
641
Hye-Shik Chang944820b2009-04-02 10:33:16 +0000642- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
643 error substitutions from non-strict codec error callbacks in
644 incrementalencoder and StreamWriter.
645
Georg Brandl33c28812009-04-01 23:07:29 +0000646- Issue #5656: Fix the coverage reporting when running the test suite with
647 the -T argument.
648
Raymond Hettinger3f10a952009-04-01 19:05:50 +0000649- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
650
Georg Brandl4ed72ac2009-04-01 04:28:33 +0000651- Issue #5624: Fix the _winreg module name still used in several modules.
652
Benjamin Petersona1b49012009-03-31 23:11:32 +0000653- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
654
Jesse Nollera9314042009-03-31 22:36:44 +0000655- Issue #5619: Multiprocessing children disobey the debug flag and causes
656 popups on windows buildbots. Patch applied to work around this issue.
657
Jesse Noller32d68c22009-03-31 18:48:42 +0000658- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
659
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +0000660- Issue #5387: Fixed mmap.move crash by integer overflow.
661
Jesse Nollerf8d00852009-03-31 03:25:07 +0000662- Issue #5261: Patch multiprocessing's semaphore.c to support context
663 manager use: "with multiprocessing.Lock()" works now.
664
Brett Cannon7f6b4f82009-03-30 21:30:26 +0000665- Issue #5236: Change time.strptime() to only take strings. Didn't work with
666 bytes already but the failure was non-obvious.
667
Jesse Noller7af4ef82009-03-30 16:47:15 +0000668- Issue #5177: Multiprocessing's SocketListener class now uses
669 socket.SO_REUSEADDR on all connections so that the user no longer needs
670 to wait 120 seconds for the socket to expire.
671
Benjamin Peterson48e24782009-03-29 13:02:52 +0000672- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
673
Antoine Pitrou66994e12009-03-29 00:45:26 +0000674- Issue #1174606: Calling read() without arguments of an unbounded file
675 (typically /dev/zero under Unix) could crash the interpreter.
676
Benjamin Peterson59406a92009-03-26 17:10:29 +0000677- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
678 io.BufferedRandom have been deprecated for removal in Python 3.2.
679
Lars Gustäbel42e00912009-03-22 20:34:29 +0000680- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
681 forever on incomplete input. That caused tarfile.open() to hang when used
682 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
683 partial bzip2 compressed data.
684
Mark Dickinson79f52032009-03-17 23:12:51 +0000685- Issue #2110: Add support for thousands separator and 'n' type
686 specifier to Decimal.__format__
687
Mark Dickinson9c59fe02009-03-17 18:15:08 +0000688- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
689 '>' alignment characters.
690
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +0000691- The error detection code in FileIO.close() could fail to reflect the `errno`
692 value, and report it as -1 instead.
693
Antoine Pitroua28fcfd2009-03-13 23:42:55 +0000694- Issue #5016: FileIO.seekable() could return False if the file position
695 was negative when truncated to a C int. Patch by Victor Stinner.
696
Mark Dickinsonae681df2009-03-21 10:26:31 +0000697Extension Modules
698-----------------
699
Benjamin Petersone099b372009-04-04 17:09:35 +0000700- Issue #5391: mmap now deals exclusively with bytes.
701
Mark Dickinsonae681df2009-03-21 10:26:31 +0000702- Issue #5463: In struct module, remove deprecated overflow wrapping
703 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +0000704 struct.error instead of returning b'\xff\xff\xff\xff'. The
705 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
706 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +0000707
Benjamin Petersond1735892009-03-07 18:46:21 +0000708
Benjamin Petersona58a6262009-03-07 16:34:40 +0000709What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +0000710================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000711
Benjamin Petersona58a6262009-03-07 16:34:40 +0000712*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000713
714Core and Builtins
715-----------------
716
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +0000717- The io module has been reimplemented in C for speed.
718
Raymond Hettingerb0d56af2009-03-03 10:52:49 +0000719- Give dict views an informative __repr__.
720
Eric Smith5e5c0db2009-02-20 14:25:03 +0000721- Issue #5247: Improve error message when unknown format codes are
722 used when using str.format() with str, int, and float arguments.
723
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +0000724- Issue #5249: time.strftime returned malformed string when format string
725 contained non ascii character on windows.
726
Benjamin Petersonf5b52242009-03-02 23:31:26 +0000727- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
728 source has already been decoded into str.
729
Antoine Pitrou79eee6b2009-02-13 14:01:05 +0000730- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
731 rotating the object pointer by 4 bits to the right.
732
Mark Dickinson87ec0852009-02-09 17:15:59 +0000733- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
734 it now forces its argument to double before testing for infinity.
735
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +0000736- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
737 returns a non-number type.
738
Benjamin Peterson87618552009-02-08 15:00:52 +0000739- Issue #5182: Removed memoryview.__str__.
740
Mark Dickinsonc008a172009-02-01 13:59:22 +0000741- Issue #1717: Removed builtin cmp() function, dropped tp_compare
742 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +0000743 the type definition cmpfunc. The tp_compare slot has been renamed
744 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +0000745
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000746- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +0000747 were suppressing all exceptions. These include list() and bytearray().
748
Mark Dickinson1124e712009-01-28 21:25:58 +0000749- Issue #4707: round(x, n) now returns an integer if x is an integer.
750 Previously it returned a float.
751
Antoine Pitroub52ec782009-01-25 16:34:23 +0000752- Issue #4753: By enabling a configure option named '--with-computed-gotos'
753 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
754 evaluation loop is compiled with a new dispatch mechanism which gives
755 speedups of up to 20%, depending on the system, on various benchmarks.
756
Antoine Pitrou81fabdb2009-01-22 10:11:36 +0000757- Issue #4874: Most builtin decoders now reject unicode input.
758
Mark Dickinson9ffc0202009-01-20 20:45:53 +0000759- Issue #4842: Don't allow trailing 'L' when constructing an integer
760 from a string.
761
Benjamin Peterson05e782f2009-01-19 15:15:02 +0000762- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
763
Antoine Pitroue4bc7f62009-01-17 21:06:43 +0000764- Issue #4838: When a module is deallocated, free the memory backing the
765 optional module state data.
766
Mark Dickinson8055afd2009-01-17 10:04:45 +0000767- Issue #4910: Rename nb_long slot to nb_reserved, and change its
768 type to (void *).
769
Antoine Pitrou8d4e5052009-01-13 22:59:11 +0000770- Issue #4935: The overflow checking code in the expandtabs() method common
771 to str, bytes and bytearray could be optimized away by the compiler, letting
772 the interpreter segfault instead of raising an error.
773
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +0000774- Issue #3720: Fix a crash when an iterator modifies its class and removes its
775 __next__ method.
776
Mark Dickinsone5e298f2009-01-12 20:49:19 +0000777- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
778 function no longer attempt to call the __long__ slot to convert an object
779 to an integer. Only the __int__ and __trunc__ slots are examined.
780
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +0000781- Issue #4893: Use NT threading on CE.
782
Martin v. Löwisec59d042009-01-12 07:59:10 +0000783- Issue #4915: Port sysmodule to Windows CE.
784
Antoine Pitrouab868312009-01-10 15:40:25 +0000785- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
786 common cases are optimized thanks to a dedicated fast path and a moderate
787 amount of loop unrolling.
788
Antoine Pitrou14b78f52009-01-09 22:27:08 +0000789- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
790 collecting the oldest generation) so that allocating lots of objects without
791 destroying them does not show quadratic performance. Based on a proposal by
792 Martin von Löwis at
793 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
794
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000795- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +0000796 having been closed (for instance, a read() call could return some
797 previously buffered data). Patch by Dmitry Vasiliev.
798
Antoine Pitrou05608432009-01-09 18:53:14 +0000799- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
800 flag to work properly. Furthermore, when specifying -u, the text stdout
801 and stderr streams have line-by-line buffering enabled (the default being
802 to buffer arbitrary chunks of data).
803
Raymond Hettinger35631532009-01-09 03:58:09 +0000804- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
805 instead of ints (reducing its size from 4 to 8 times thereby reducing
806 Python's overall memory).
807
Antoine Pitroud35cbf62009-01-06 19:02:24 +0000808- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
809 an existing .py counterpart, override the co_filename attributes of all
810 code objects if the original filename is obsolete (which can happen if the
811 file has been renamed, moved, or if it is accessed through different paths).
812 Patch by Ziga Seilnacht and Jean-Paul Calderone.
813
Antoine Pitrouc3b39242009-01-03 16:59:18 +0000814- Issue #4580: Fix slicing of memoryviews when the item size is greater than
815 one byte. Also fixes the meaning of len() so that it returns the number of
816 items, rather than the size in bytes.
817
Martin v. Löwis5c88d812009-01-02 20:47:48 +0000818- Issue #4075: Use OutputDebugStringW in Py_FatalError.
819
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +0000820- Issue #4747: When the terminal does not use utf-8, executing a script with
821 non-ascii characters in its name could fail with a "SyntaxError: None" error.
822
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +0000823- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +0000824 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +0000825
Antoine Pitrou7ddda782009-01-01 15:35:33 +0000826- Issue #3680: Reference cycles created through a dict, set or deque iterator
827 did not get collected.
828
Nick Coghlanf1f2f682008-12-30 07:29:12 +0000829- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
830 where the tp_hash and tp_dict slots are both NULL.
831
Georg Brandlccc47b62008-12-28 11:44:14 +0000832- Issue #4759: None is now allowed as the first argument of
833 bytearray.translate(). It was always allowed for bytes.translate().
834
Skip Montanaro80072cb2008-12-23 03:51:14 +0000835- Added test case to ensure attempts to read from a file opened for writing
836 fail.
837
Antoine Pitrou51f3ef92008-12-20 13:14:23 +0000838- Issue #3106: Speedup some comparisons (str/str and int/int).
839
Antoine Pitrouf289ae62008-12-18 11:06:25 +0000840- Issue #2183: Simplify and optimize bytecode for list, dict and set
841 comprehensions. Original patch for list comprehensions by Neal Norwitz.
842
Antoine Pitrou621601a2008-12-17 23:18:19 +0000843- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
844 print elapsed times, not only when some objects are uncollectable /
845 unreachable. Original patch by Neil Schemenauer.
846
Mark Dickinson54bc1ec2008-12-17 16:19:07 +0000847- Issue #3439: Add a bit_length method to int.
848
Mark Dickinsonda2706b2008-12-11 18:03:03 +0000849- Issue #2173: When getting device encoding, check that return value of
850 nl_langinfo is not the empty string. This was causing silent build
851 failures on OS X.
852
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +0000853- Issue #4597: Fixed several opcodes that weren't always propagating
854 exceptions.
855
856- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +0000857 context manager returns a value that cannot be converted to a bool.
858
Mark Dickinsonfd24b322008-12-06 15:33:31 +0000859- Issue #4445: Replace "sizeof(PyBytesObject)" with
860 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
861 bytes instances. On a typical machine this saves 3 bytes of memory
862 (on average) per allocation of a bytes instance.
863
Christian Heimesa872de52008-12-05 08:26:55 +0000864- Issue #4533: File read operation was dreadfully slow due to a slowly
865 growing read buffer. Fixed by using the same growth rate algorithm as
866 Python 2.x.
867
Antoine Pitrou5504e892008-12-06 21:27:53 +0000868- Issue #4509: Various issues surrounding resize of bytearray objects to
869 which there are buffer exports (e.g. memoryview instances).
870
Georg Brandlf9734072008-12-07 15:30:06 +0000871- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
872 method on file objects with closefd=False. The file descriptor is still
873 kept open but the file object behaves like a closed file. The ``FileIO``
874 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +0000875
Antoine Pitroubc420402008-12-07 20:14:49 +0000876- Issue #4569: Interpreter crash when mutating a memoryview with an item size
877 larger than 1.
878
Benjamin Peterson371ccfb2008-12-27 19:03:36 +0000879- Issue #4748: Lambda generators no longer return a value.
880
Gregory P. Smithccc5ae72009-03-02 05:21:55 +0000881- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
882
Walter Dörwaldc1651a02009-05-03 22:55:55 +0000883- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
884 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
885 step. This avoids problems with counting UTF-8 bytes that ignores the effect
886 of using the replace error handler in PyUnicode_DecodeUTF8().
887
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000888Library
889-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +0000890
Tarek Ziadé24448fa2009-07-11 11:01:14 +0000891- Issue #6459: distutils.command.build_ext.get_export_symbols now uses the
892 "PyInit" prefix, rather than "init".
893
Tarek Ziadé7e646002009-07-10 09:16:07 +0000894- Issue #6455: Fixed test_build_ext under win32.
895
Tarek Ziadé35c88a82009-07-04 02:05:51 +0000896- Issue #6413: Fixed the log level in distutils.dist for announce.
897
Tarek Ziadé385029f2009-07-03 08:37:27 +0000898- Issue #6403: Fixed package path usage in build_ext.
899
Tarek Ziadé2c3de402009-06-29 16:46:14 +0000900- Issue #6365: Distutils build_ext inplace mode was copying the compiled
901 extension in a subdirectory if the extension name had dots.
902
Tarek Ziadé5e06a652009-06-16 07:43:42 +0000903- Issue #6287: Added the license field in Distutils documentation.
904
Tarek Ziadéff543362009-06-11 09:25:41 +0000905- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
906
Tarek Ziadéabcc3f42009-06-11 08:31:17 +0000907- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
908 in Makefiles. This prevents compile errors when using syntax like:
909 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
910
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +0000911- Issue #6131: test_modulefinder leaked when run after test_distutils.
912 Patch by Hirokazu Yamamoto.
913
Tarek Ziadé77c8b372009-05-28 13:01:13 +0000914- Issue #6048: Now Distutils uses the tarfile module in archive_util.
915
Vinay Sajipaffbd872009-06-11 10:11:47 +0000916- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +0000917 and tests on pywin32 by Tim Golden.
918
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +0000919- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
920
Tarek Ziadéd18a84e2009-05-18 08:07:46 +0000921- Issue #6046: Fixed the library extension when distutils build_ext is used
922 inplace. Initial patch by Roumen Petrov.
923
Vinay Sajipaffbd872009-06-11 10:11:47 +0000924- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +0000925 subcommand.
926
Tarek Ziadé4210c6e2009-05-14 20:20:47 +0000927- Issue #6022: a test file was created in the current working directory by
928 test_get_outputs in Distutils.
929
Tarek Ziadéff0e5002009-05-12 17:14:01 +0000930- Issue #5977: distutils build_ext.get_outputs was not taking into account the
931 inplace option. Initial patch by kxroberto.
932
Tarek Ziadé06fbee12009-05-10 10:34:01 +0000933- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
934 for old-style extensions.
935
Tarek Ziadébe5b1b92009-05-09 10:09:11 +0000936- Issue #5976: Fixed Distutils test_check_environ.
937
Tarek Ziadé5662d3e2009-05-07 21:24:43 +0000938- Issue #5941: Distutils build_clib command was not working anymore because
939 of an incomplete costumization of the archiver command. Added ARFLAGS in the
940 Makefile besides AR and make Distutils use it. Original patch by David
941 Cournapeau.
942
R. David Murrayb507d2e2009-04-29 15:34:32 +0000943- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
944
Vinay Sajipaffbd872009-06-11 10:11:47 +0000945- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +0000946 anymore.
947
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000948- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +0000949 sysconfig.get_config_vars.
950
Tarek Ziadé23336082009-04-25 12:39:56 +0000951- Issue #4951: Fixed failure in test_httpservers.
952
Thomas Hellerd3cfe992009-04-24 20:10:24 +0000953- Issue #5795: Fixed test_distutils failure on Debian ppc.
954
Tarek Ziadé822e1d42009-04-13 12:37:57 +0000955- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
956
Georg Brandl1f9fa312009-04-27 16:42:58 +0000957- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
958 a value in SafeConfigParser.
959
Tarek Ziadéf396ecf2009-04-11 15:00:43 +0000960- Issue #5732: added a new command in Distutils: check.
961
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000962- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +0000963 platforms. Initial patch by Paul Moore.
964
Tarek Ziadéf6370502009-04-05 22:57:21 +0000965- Issue #5095: Added bdist_msi to the list of bdist supported formats.
966 Initial fix by Steven Bethard.
967
Tarek Ziadé889b0aa2009-04-05 21:49:36 +0000968- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
969 Initial fix by Wayne Davison.
970
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000971- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +0000972
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000973- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +0000974
Brett Cannonf47e84c2009-04-01 16:06:01 +0000975- Issue #1665206 (partially): Move imports in cgitb to the top of the module
976 instead of performing them in functions. Helps prevent import deadlocking in
977 threads.
978
R. David Murraye59482e2009-04-01 03:42:00 +0000979- Issue #2522: locale.format now checks its first argument to ensure it has
980 been passed only one pattern, avoiding mysterious errors where it appeared
981 that it was failing to do localization.
982
Tarek Ziadéb2e36f12009-03-31 22:37:55 +0000983- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
984 Brandl.
985
Antoine Pitrou350370c2009-03-14 00:13:13 +0000986- Issue #1222: locale.format() bug when the thousands separator is a space
987 character.
988
Tarek Ziadé516db942009-03-11 12:52:00 +0000989- Issue #5472: Fixed distutils.test_util tear down. Original patch by
990 Tim Golden.
991
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +0000992- collections.deque() objects now have a read-only attribute called maxlen.
993
Guilherme Polof45b4cc2009-03-07 02:19:14 +0000994- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
995 it is has been populated and properly configured in order to prevent
996 window flashing.
997
Guilherme Polo56f5be52009-03-07 01:54:57 +0000998- Issue #4792: Prevent a segfault in _tkinter by using the
999 guaranteed to be safe interp argument given to the PythonCmd in place of
1000 the Tcl interpreter taken from a PythonCmd_ClientData.
1001
1002- Issue #5193: Guarantee that tkinter.Text.search returns a string.
1003
Tarek Ziadé63b64c02009-03-07 00:51:53 +00001004- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
1005 Original patch by Akira Kitada.
1006
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00001007- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
1008
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00001009- Issue #5385: Fixed mmap crash after resize failure on windows.
1010
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00001011- Issue #5179: Fixed subprocess handle leak on failure on windows.
1012
Raymond Hettinger2d32f632009-03-02 21:24:57 +00001013- PEP 372: Added collections.OrderedDict().
1014
Raymond Hettingera4f52b12009-03-02 22:28:31 +00001015- The _asdict() for method for namedtuples now returns an OrderedDict().
1016
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00001017- configparser now defaults to using an ordered dictionary.
1018
Benjamin Petersone0124bd2009-03-09 21:04:33 +00001019- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
1020 import guess_extension`` was used.
1021
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00001022- Issue #1733986: Fixed mmap crash in accessing elements of second map object
1023 with same tagname but larger size than first map. (Windows)
1024
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00001025- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
1026 overrun.
1027
Tarek Ziadéf0721222009-02-28 10:16:43 +00001028- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
1029 bdist_rpm command.
1030
1031- Issue #5378: added --quiet option to Distutils bdist_rpm command.
1032
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001033- Issue #5052: make Distutils compatible with 2.3 again.
1034
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00001035- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
1036 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001037
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001038- Issue #5287: Add exception handling around findCaller() call to help out
1039 IronPython.
1040
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00001041- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
1042 The file was resized to wrong size.
1043
1044- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
1045
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001046- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00001047 from the package_data and the data_files metadata.
1048
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001049- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00001050 support.TempdirManager, to avoid writing in the tests directory.
1051
Tarek Ziadé68c50952009-02-13 23:04:17 +00001052- Issue #4524: distutils build_script command failed with --with-suffix=3.
1053 Initial patch by Amaury Forgeot d'Arc.
1054
Tarek Ziadé811d6242009-02-13 22:26:15 +00001055- Issue #2461: added tests for distutils.util
1056
Mark Dickinsonc28ad272009-02-12 17:58:36 +00001057- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
1058 which inherited from numbers.py which did not have __slots__ defined. The
1059 numbers hierarchy now has its own __slots__ declarations.
1060
Antoine Pitroub353c122009-02-11 00:39:14 +00001061- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
1062 encoding.
1063
Thomas Heller465c8022009-02-10 18:59:04 +00001064- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
1065 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
1066
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00001067- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
1068 under NT and OS2. Patch by Philip Jenvey.
1069
Brett Cannonbefb14f2009-02-10 02:10:16 +00001070- Issue #5128: Make compileall properly inspect bytecode to determine if needs
1071 to be recreated. This avoids a timing hole thanks to the old reliance on the
1072 ctime of the files involved.
1073
Guilherme Polob681df42009-02-09 22:33:59 +00001074- Issue #5122: Synchronize tk load failure check to prevent a potential
1075 deadlock.
1076
Benjamin Petersona86f2c02009-02-10 02:41:10 +00001077- Issue #1818: collections.namedtuple() now supports a keyword argument
1078 'rename' which lets invalid fieldnames be automatically converted to
1079 positional names in the form, _1, _2, ...
1080
Guilherme Poloae098992009-02-09 16:44:24 +00001081- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
1082
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00001083- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
1084 public documented method ``ZipImporter.get_filename()``.
1085
Nick Coghlan3f48ae32009-02-08 01:58:26 +00001086- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
1087 the execution of packages by looking for and executing a ``__main__``
1088 submodule when a package name is supplied. Initial patch by Andi
1089 Vajda.
1090
Guilherme Polo491aee22009-02-06 23:16:11 +00001091- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
1092 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
1093 Tkapp_Call when calling from a thread different than the one that created
1094 the Tcl interpreter. Patch by Robert Hancock.
1095
Eric Smith0e5b5622009-02-06 01:32:42 +00001096- Issue #4285: Change sys.version_info to be a named tuple. Patch by
1097 Ross Light.
1098
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001099- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00001100 environment/Makefile. Patch by Douglas Greiman.
1101
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00001102- Issue #1276768: The verbose option was not used in the code of
1103 distutils.file_util and distutils.dir_util.
1104
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001105- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00001106 --enabled-shared activated. Initial patch by Dave Peterson.
1107
Guilherme Polo7f423952009-02-02 21:17:09 +00001108- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
1109
Raymond Hettinger85602262009-02-03 04:19:10 +00001110- The shelve module now defaults to pickle protocol 3.
1111
Brett Cannone61426e2009-01-30 01:31:34 +00001112- Fix a bug in the trace module where a bytes object from co_lnotab had its
1113 items being passed through ord().
1114
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00001115- Issue #2047: shutil.move() could believe that its destination path was
1116 inside its source path if it began with the same letters (e.g. "src" vs.
1117 "src.new").
1118
Guilherme Polo5f238482009-01-28 14:41:10 +00001119- Added the ttk module. See issue #2983: Ttk support for Tkinter.
1120
Raymond Hettinger89e12962009-01-26 02:09:03 +00001121- Removed isSequenceType(), isMappingType, and isNumberType() from the
1122 operator module; use the abstract base classes instead. Also removed
1123 the repeat() function; use mul() instead.
1124
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001125- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00001126 collections.namedtuple() relied on __name__ being defined.
1127
1128- Backport importlib from Python 3.1. Only the import_module() function has
1129 been backported to help facilitate transitions from 2.7 to 3.1.
1130
Tarek Ziadé0302cf52009-01-26 17:23:20 +00001131- Issue #1885: distutils. When running sdist with --formats=tar,gztar
1132 the tar file was overriden by the gztar one.
1133
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00001134- Issue #4863: distutils.mwerkscompiler has been removed.
1135
Raymond Hettingerd07d9392009-01-27 04:20:44 +00001136- Added a new itertools functions: combinations_with_replacement()
1137 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00001138
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001139- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00001140 allowed non-integer arguments.
1141
Jesse Noller41faa542009-01-25 03:45:53 +00001142- Fix and properly document the multiprocessing module's logging
1143 support, expose the internal levels and provide proper usage
1144 examples.
1145
Mark Dickinsoncddcf442009-01-24 21:46:33 +00001146- Issue #1672332: fix unpickling of subnormal floats, which was
1147 producing a ValueError on some platforms.
1148
Martin v. Löwisacbf4612009-01-24 16:19:45 +00001149- Issue #3881: Help Tcl to load even when started through the
1150 unreadable local symlink to "Program Files" on Vista.
1151
Martin v. Löwis59e47792009-01-24 14:10:07 +00001152- Issue #4710: Extract directories properly in the zipfile module;
1153 allow adding directories to a zipfile.
1154
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001155- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00001156 --without-threads argument. When this occurs, _multiprocessing will
1157 be disabled, and not compiled.
1158
Antoine Pitrou08838b62009-01-21 00:55:13 +00001159- Issue #5008: When a file is opened in append mode with the new IO library,
1160 do an explicit seek to the end of file (so that e.g. tell() returns the
1161 file size rather than 0). This is consistent with the behaviour of the
1162 traditional 2.x file object.
1163
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001164- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
1165 parameter was set.
1166
Mark Dickinson8dd05142009-01-20 20:43:58 +00001167- Issue #4842: Always append a trailing 'L' when pickling longs using
1168 pickle protocol 0. When reading, the 'L' is optional.
1169
Brett Cannonafccd632009-01-20 02:21:27 +00001170- Add the importlib package.
1171
Jesse Noller9a0fc972009-01-18 21:12:58 +00001172- Issue #4301: Patch the logging module to add processName support, remove
1173 _check_logger_class from multiprocessing.
1174
Jesse Noller1cbb17a2009-01-18 19:45:18 +00001175- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001176 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00001177
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00001178- Issue #4959: inspect.formatargspec now works for keyword only arguments
1179 without defaults.
1180
Jesse Noller6214edd2009-01-19 16:23:53 +00001181- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
1182 for *nix machines for negative handles and large int handles. Without this check
1183 it is possible to segfault the interpreter.
1184
Jesse Nollerb0516a62009-01-18 03:11:38 +00001185- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
1186 in sharedctypes.py.
1187
1188- Issue #1225107: inspect.isclass() returned True for instances with a custom
1189 __getattr__.
1190
Gregory P. Smithde3369f2009-01-12 04:50:11 +00001191- Issue #3826 and #4791: The socket module now closes the underlying socket
1192 appropriately when it is being used via socket.makefile() objects
1193 rather than delaying the close by waiting for garbage collection to do it.
1194
Raymond Hettingerb8baf632009-01-14 02:20:07 +00001195- Issue #1696199: Add collections.Counter() for rapid and convenient
1196 counting.
1197
Antoine Pitrou308705e2009-01-10 16:22:51 +00001198- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
1199
Thomas Heller5e4e4272009-01-08 09:34:20 +00001200- Issue #4867: Fixed a crash in ctypes when passing a string to a
1201 function without defining argtypes.
1202
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00001203- Issue #4272: Add an optional argument to the GzipFile constructor to override
1204 the timestamp in the gzip stream. The default value remains the current time.
1205 The information can be used by e.g. gunzip when decompressing. Patch by
1206 Jacques Frechet.
1207
Mark Dickinson315a20a2009-01-04 21:34:18 +00001208- Restore Python 2.3 compatibility for decimal.py.
1209
Guilherme Polo3f5f8222009-01-03 22:00:39 +00001210- Issue #3638: Remove functions from _tkinter module level that depend on
1211 TkappObject to work with multiple threads.
1212
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001213- Issue #4718: Adapt the wsgiref package so that it actually works with
1214 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00001215 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
1216
Raymond Hettinger771ed762009-01-03 19:20:32 +00001217- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
1218 to the decimal module.
1219
Georg Brandl3a9b0622009-01-03 22:07:57 +00001220- Fractions.from_float() no longer loses precision for integers too big to
1221 cast as floats.
1222
Mark Dickinsonf9236412009-01-02 23:23:21 +00001223- Issue #4812: add missing underscore prefix to some internal-use-only
1224 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
1225
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001226- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00001227 did unnecessary work in the common case where no key function was specified.
1228
Georg Brandlb1441c72009-01-03 22:33:39 +00001229- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
1230 the function is not a generator.
1231
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001232- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
1233 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00001234
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001235- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00001236 function. Original patch by Thomas Heller.
1237
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00001238- Issue #3767: Convert Tk object to string in tkColorChooser.
1239
Martin v. Löwise354d782008-12-29 16:03:04 +00001240- Issue #3248: Allow placing ScrolledText in a PanedWindow.
1241
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00001242- Issue #4444: Allow assertRaises() to be used as a context handler, so that
1243 the code under test can be written inline if more practical.
1244
Georg Brandldb7b6b92009-01-01 15:53:14 +00001245- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
1246 works as expected in the interactive environment.
1247
Antoine Pitroudb5fe662008-12-27 15:50:40 +00001248- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
1249 Gabriel Genellina.
1250
Antoine Pitrou180a3362008-12-14 16:36:46 +00001251- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
1252 boundary.
1253
Nick Coghlanf088e5e2008-12-14 11:50:48 +00001254- Issue #4223: inspect.getsource() will now correctly display source code
1255 for packages loaded via zipimport (or any other conformant PEP 302
1256 loader). Original patch by Alexander Belopolsky.
1257
1258- Issue #4201: pdb can now access and display source code loaded via
1259 zipimport (or any other conformant PEP 302 loader). Original patch by
1260 Alexander Belopolsky.
1261
1262- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
1263 302 conformant loader) will now work correctly in most cases (they
1264 are still subject to the constraints that exist for all code running
1265 from inside a module loaded via a PEP 302 loader and attempting to
1266 perform IO operations based on __file__). Original patch by
1267 Alexander Belopolsky.
1268
1269- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
1270 allows backporting to maintenance branches. Original patch by
1271 Alexander Belopolsky.
1272
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00001273- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
1274 a non-ASCII letter.
1275
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00001276- Issue #4616: TarFile.utime(): Restore directory times on Windows.
1277
Benjamin Peterson433f32c2008-12-12 01:25:05 +00001278- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
1279 codec cannot be found. This is for compatibility with the builtin behavior.
1280
Facundo Batista708d5812008-12-11 04:20:07 +00001281- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
1282 give correct results in the case where one argument is a quiet NaN
1283 and the other is a finite number that requires rounding.
1284
Skip Montanaroc1ce2862008-12-06 17:25:02 +00001285- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
1286 libs.
1287
Georg Brandlf9734072008-12-07 15:30:06 +00001288- Added the subprocess.check_call_output() convenience function to get output
1289 from a subprocess on success or raise an exception on error.
1290
1291- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1292 support unusual filenames (such as those containing semi-colons) in
1293 Content-Disposition headers.
1294
1295- Issue #4384: Added logging integration with warnings module using
1296 captureWarnings(). This change includes a NullHandler which does nothing;
1297 it will be of use to library developers who want to avoid the "No handlers
1298 could be found for logger XXX" message which can appear if the library user
1299 doesn't configure logging.
1300
1301- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
1302 exception.
1303
Georg Brandleee31162008-12-07 15:15:22 +00001304- Issue #4529: fix the parser module's validation of try-except-finally
1305 statements.
1306
1307- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
1308 not a malformed option.
1309
1310- Added the subprocess.check_output() convenience function to get output
1311 from a subprocess on success or raise an exception on error.
1312
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00001313- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
1314 the corresponding tests now pass.
1315
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00001316- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
1317 it was calling the wrong open() function.
1318
Fred Drake9a0a65b2008-12-04 19:24:50 +00001319- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1320 support unusual filenames (such as those containing semi-colons) in
1321 Content-Disposition headers.
1322
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00001323- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
1324 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
1325
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00001326- Issue #5104: The socket module now raises OverflowError when 16-bit port and
1327 protocol numbers are supplied outside the allowed 0-65536 range on bind()
1328 and getservbyport().
1329
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00001330- Windows locale mapping updated to Vista.
1331
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001332Tools/Demos
1333-----------
1334
Antoine Pitrou8a681222009-02-07 17:13:31 +00001335- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
1336 and make it 2.6-compatible.
1337
Guilherme Poloa7d27972009-01-28 16:06:51 +00001338- Ttk demos added in Demo/tkinter/ttk/
1339
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001340- Issue #4677: add two list comprehension tests to pybench.
1341
Georg Brandlb1441c72009-01-03 22:33:39 +00001342
1343Build
1344-----
1345
Benjamin Petersonf53eec82009-05-23 19:36:27 +00001346- Issue #6094: Build correctly with Subversion 1.7.
1347
Martin v. Löwis8482ef92009-05-05 16:14:30 +00001348- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
1349
Antoine Pitrou8966c992009-05-01 21:18:27 +00001350- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
1351 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
1352
Matthias Klose55708cc2009-04-30 08:06:49 +00001353- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00001354 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00001355
Matthias Klose906785c2009-02-22 23:18:38 +00001356- Link the shared python library with $(MODLIBS).
1357
Martin v. Löwis11f72102009-02-10 13:13:30 +00001358- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
1359
Martin v. Löwisbc186a82009-02-02 15:32:22 +00001360- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
1361
Martin v. Löwise97637d2009-01-11 09:45:11 +00001362- Issue #4895: Use _strdup on Windows CE.
1363
Georg Brandlb1441c72009-01-03 22:33:39 +00001364- Issue #4472: "configure --enable-shared" now works on OSX
1365
1366- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
1367
1368- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
1369
1370- Issue #4289: Remove Cancel button from AdvancedDlg.
1371
1372- Issue #1656675: Register a drop handler for .py* files on Windows.
1373
1374- Issue #4120: Exclude manifest from extension modules in VS2008.
1375
1376- Issue #4091: Install pythonxy.dll in system32 again.
1377
1378- Issue #4018: Disable "for me" installations on Vista.
1379
1380- Issue #3758: Add ``patchcheck`` build target to .PHONY.
1381
1382- Issue #4204: Fixed module build errors on FreeBSD 4.
1383
1384
1385C-API
1386-----
1387
Mark Dickinson21776072009-02-10 16:13:25 +00001388- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
1389 for negative arguments. Previously, it raised TypeError.
1390
Georg Brandlb1441c72009-01-03 22:33:39 +00001391- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
1392
1393- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
1394 the GIL is released, or owned by another thread.
1395
1396- Issue #4122: On Windows, fix a compilation error when using the
1397 Py_UNICODE_ISSPACE macro in an extension module.
1398
1399
Mark Dickinsone675f082008-12-11 21:56:00 +00001400Extension Modules
1401-----------------
1402
Gregory P. Smith365a1862009-02-12 07:35:29 +00001403- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
1404 supporting objects as input no matter how it was compiled (built in
1405 implementations or external openssl library).
1406
Mark Dickinson29500f62009-01-15 15:36:10 +00001407- Issue #4397: Fix occasional test_socket failure on OS X.
1408
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00001409- Issue #4279: Fix build of parsermodule under Cygwin.
1410
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00001411- Issue #4751: hashlib now releases the GIL when hashing large buffers
1412 (with a hardwired threshold of 2048 bytes), allowing better parallelization
1413 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
1414
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001415- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
1416
Antoine Pitrou31f30b12009-01-02 17:34:35 +00001417- Issue #4738: Each zlib object now has a separate lock, allowing to compress
1418 or decompress several streams at once on multi-CPU systems. Also, the GIL
1419 is now released when computing the CRC of a large buffer. Patch by ebfe.
1420
Georg Brandlb1441c72009-01-03 22:33:39 +00001421- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
1422
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00001423- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
1424
Mark Dickinsone675f082008-12-11 21:56:00 +00001425- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
1426 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00001427
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00001428- Issue #4583: array.array would not always prohibit resizing when a buffer
1429 has been exported, resulting in an interpreter crash when accessing the
1430 buffer.
1431
Martin v. Löwis841edad2008-11-30 10:36:49 +00001432
Jack Diederiche0cbd692009-04-01 04:27:09 +00001433- Issue #5228: Make functools.partial objects can now be pickled.
1434
Guilherme Polo9de29af2009-01-28 20:40:48 +00001435Tests
1436-----
1437
Guilherme Polo2a998fa2009-06-21 17:40:07 +00001438- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
1439 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
1440 the same behaviour as test_ttkguionly (and now also test_tk) which is to
1441 skip the tests if DISPLAY is defined but can't be used.
1442
R. David Murraya21e4ca2009-03-31 23:16:50 +00001443- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001444 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00001445 from test support, which does the conversion.
1446
Guilherme Polo9de29af2009-01-28 20:40:48 +00001447- Issue #5083: New 'gui' resource for regrtest.
1448
1449
Brett Cannon7317c1e2008-11-25 19:19:17 +00001450Docs
1451----
1452
Georg Brandl52b92cc2008-05-25 09:43:03 +00001453
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001454**(For information about older versions, consult the HISTORY file.)**