blob: c15e5b69cfbfbeb1bab957d4753b9ea275761b6f [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 Peterson46ea4f72009-06-27 21:40:27 +00007What's New in Python 3.2 Alpha 1?
8=================================
9
10*Release date: XX-XXX-XXX*
11
12Core and Builtins
13-----------------
14
Georg Brandl953152f2009-07-22 12:03:59 +000015- Issue #6540: Fixed crash for bytearray.translate() with invalid parameters.
16
R. David Murray046f7232009-07-19 02:22:05 +000017- Issue #6070: On posix platforms import no longer copies the execute bit
18 from the .py file to the .pyc file if it is set.
19
Amaury Forgeot d'Arc8b84ea02009-07-13 20:38:21 +000020- Issue #1616979: Added the cp720 (Arabic DOS) encoding.
21
Amaury Forgeot d'Arc097cd072009-07-07 00:43:08 +000022- Issue #6428: Since Python 3.0, the __bool__ method must return a bool
23 object, and not an int. Fix the corresponding error message, and the
24 documentation.
25
Benjamin Petersonf1664ae2009-07-01 01:28:55 +000026- The deprecated PyCObject has been removed.
27
Mark Dickinson835a6c82009-06-30 15:45:17 +000028- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
29 This fixes a build failure on HP-UX: int32_t and uint32_t are
30 defined in inttypes.h instead of stdint.h on that platform.
31
Amaury Forgeot d'Arca4aba662009-07-01 00:48:39 +000032- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and
Amaury Forgeot d'Arc84ec8d92009-06-29 22:36:49 +000033 the 'surrogateescape' error handler, a string which contains unpaired
34 surrogates.
35
Hirokazu Yamamoto892a37a2009-06-28 11:07:03 +000036- Issue #4856: Remove checks for win NT.
37
Benjamin Peterson466a7822009-07-02 21:44:01 +000038C-API
39-----
40
Alexandre Vassalotti2db046d2009-07-22 03:56:36 +000041- Issue #6151: Made PyDescr_COMMON conform to standard C (like PyObject_HEAD
42 in PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be
43 should used for accessing the d_type and d_name members of structures
44 using PyDescr_COMMON.
45
46- Issue #6405: Remove duplicate type declarations in descrobject.h.
Benjamin Peterson89b89172009-07-03 13:30:25 +000047
Benjamin Peterson466a7822009-07-02 21:44:01 +000048- The code flags for old __future__ features are now available again.
49
Alexandre Vassalotti7b82b402009-07-21 04:30:03 +000050- Issue #5954: Add a PyFrame_GetLineNumber() function to replace most uses of
51 PyCode_Addr2Line().
52
53- Issue #5959: Add a PyCode_NewEmpty() function to create a new empty code
54 object at a specified file, function, and line number.
55
56- Issue #1419652: Change the first argument to PyImport_AppendInittab() to
57 ``const char *`` as the string is stored beyond the call.
58
Alexandre Vassalotti2db046d2009-07-22 03:56:36 +000059
Benjamin Peterson46ea4f72009-06-27 21:40:27 +000060Library
61-------
62
Jack Diederich36596a32009-07-26 22:23:04 +000063- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
64 DO/DONT correctly.
65
Senthil Kumaran67305382009-07-26 04:46:00 +000066- Issue #1424152: Fix for http.client, urllib.request to support SSL while
67 working through proxy. Original patch by Christopher Li, changes made by
68 Senthil Kumaran
Senthil Kumaran97f0c6b2009-07-25 04:24:38 +000069
Brett Cannon69194272009-07-20 04:23:48 +000070- Add importlib.abc.ExecutionLoader to represent the PEP 302 protocol for
71 loaders that allow for modules to be executed. Both importlib.abc.PyLoader
72 and PyPycLoader inherit from this class and provide implementations in
73 relation to other methods required by the ABCs.
74
Brett Cannon64ef00f2009-07-20 03:19:18 +000075- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
76 the documentation said it did even though the code in PyLoader relied on the
77 abstract method required by ResourceLoader.
78
Mark Dickinson85424c92009-07-18 14:41:42 +000079- Issue #6431: Make Fraction type return NotImplemented when it doesn't
80 know how to handle a comparison without loss of precision. Also add
81 correct handling of infinities and nans for comparisons with float.
82
Hirokazu Yamamoto1c0c0032009-07-17 06:55:42 +000083- Issue #6415: Fixed warnings.warn sagfault on bad formatted string.
84
Amaury Forgeot d'Arc97e5f282009-07-11 09:35:13 +000085- Issue #6358: The exit status of a command started with os.popen() was
86 reported differently than it did with python 2.x.
87
Amaury Forgeot d'Arc2de11152009-07-09 23:07:52 +000088- Issue #6323: The pdb debugger did not exit when running a script with a
89 syntax error.
90
Gregory P. Smithd06fa472009-07-04 02:46:54 +000091- Issue #3392: The subprocess communicate() method no longer fails in select()
92 when file descriptors are large; communicate() now uses poll() when possible.
93
Antoine Pitrou54923952009-07-01 14:53:06 +000094- Issue #6369: Fix an RLE decompression bug in the binhex module.
95
Hirokazu Yamamoto7a9e1bd2009-06-29 14:54:12 +000096- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
97
Benjamin Peterson5a6deb42009-06-28 21:35:31 +000098- The deprecated function string.maketrans has been removed.
99
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000100- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
101 sys.path.
102
Alexandre Vassalotticf76e1a2009-07-22 03:24:36 +0000103- Issue #6218: io.StringIO and io.BytesIO instances are now picklable.
104
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000105Extension Modules
106-----------------
107
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000108- Issue #4509: Array objects are no longer modified after an operation
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000109 failing due to the resize restriction in-place when the object has exported
110 buffers.
111
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000112- Issue #2389: Array objects are now pickled in a portable manner.
113
Martin v. Löwis95c46012009-06-28 09:36:14 +0000114Build
115-----
116
Amaury Forgeot d'Arc321e5332009-07-02 23:08:45 +0000117- Issue 4601: 'make install' did not set the appropriate permissions on
118 directories.
119
Martin v. Löwis95c46012009-06-28 09:36:14 +0000120- Issue 5390: Add uninstall icon independent of whether file
121 extensions are installed.
122
Brett Cannonb49c70c2009-07-15 04:08:33 +0000123Tests
124-----
125
Brett Cannon3c273842009-07-20 00:14:29 +0000126- Fixed tests in importlib.test.source.test_abc_loader that were masking
127 the proper exceptions that should be raised for missing or improper code
128 object bytecode.
129
Brett Cannonb49c70c2009-07-15 04:08:33 +0000130- Removed importlib's custom test discovery code and switched to
131 unittest.TestLoader.discover().
132
Benjamin Peterson46ea4f72009-06-27 21:40:27 +0000133
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000134What's New in Python 3.1?
135=========================
136
137*Release date: 27-June-2009*
138
139Core and Builtins
140-----------------
141
Mark Dickinsonad195562009-06-24 19:01:32 +0000142- Issue #6334: Fix bug in range length calculation for ranges with
143 large arguments.
144
Raymond Hettinger159eac92009-06-23 20:38:54 +0000145- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
146 because it wasn't recognized as a sequence).
147
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000148Library
149-------
150
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000151- Issue #6314: logging: performs extra checks on the "level" argument.
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000152
Facundo Batista10706e22009-06-19 20:34:30 +0000153- Issue #6274: Fixed possible file descriptors leak in subprocess.py
154
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000155- Accessing io.StringIO.buffer now raises an AttributeError instead of
156 io.UnsupportedOperation.
157
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000158- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +0000159 (On Unix)
160
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000161- Issue #1202: zipfile module would cause a struct.error when attempting to
162 store files with a CRC32 > 2**31-1.
163
Matthias Kloseab2b7552009-06-22 13:05:52 +0000164Extension Modules
165-----------------
166
167- Issue #5590: Remove unused global variable in pyexpat extension.
168
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000169
Antoine Pitrou3b1b8072009-05-30 21:01:23 +0000170What's New in Python 3.1 Release Candidate 2?
171=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000172
Benjamin Petersonc7c12282009-06-13 13:15:04 +0000173*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000174
175Core and Builtins
176-----------------
177
Raymond Hettinger94f55832009-06-12 18:40:16 +0000178- Fixed SystemError triggered by "range([], 1, -1)".
179
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000180- Issue #5924: On Windows, a large PYTHONPATH environment variable
181 (more than 255 characters) would be completely ignored.
182
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000183- Issue #4547: When debugging a very large function, it was not always
184 possible to update the lineno attribute of the current frame.
185
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000186- Issue #5330: C functions called with keyword arguments were not reported by
Alexandre Vassalottiea3714e2009-07-17 09:34:31 +0000187 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000188
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000189Library
190-------
191
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +0000192- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000193 expression string pattern was trying to match against a bytes returned by
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +0000194 Popen. Tested under win32 to build the py-postgresql project.
195
Martin v. Löwis83eacca2009-06-12 17:31:41 +0000196- Issue #6258: Support AMD64 in bdist_msi.
197
R. David Murray58641de2009-06-12 15:33:19 +0000198- Issue #6195: fixed doctest to no longer try to read 'source' data from
199 binary files.
200
Vinay Sajipaffbd872009-06-11 10:11:47 +0000201- Issue #5262: Fixed bug in next rollover time computation in
202 TimedRotatingFileHandler.
203
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000204- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
205 errors property. Additionally, the errors and encoding properties of StringIO
206 are always None now.
207
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000208- Issue #6137: The pickle module now translates module names when loading
209 or dumping pickles with a 2.x-compatible protocol, in order to make data
210 sharing and migration easier. This behaviour can be disabled using the
211 new `fix_imports` optional argument.
212
Raymond Hettinger40925d22009-06-04 18:32:39 +0000213- Removed the ipaddr module.
214
Georg Brandlb54d8012009-06-04 09:11:51 +0000215- Issue #3613: base64.{encode,decode}string are now called
216 base64.{encode,decode}bytes which reflects what type they accept and return.
217 The old names are still there as deprecated aliases.
218
Georg Brandl317185a2009-06-04 09:00:56 +0000219- Issue #5767: Remove sgmlop support from xmlrpc.client.
220
Martin v. Löwis74b7e442009-06-01 04:23:07 +0000221- Issue #6150: Fix test_unicode on wide-unicode builds.
222
Antoine Pitrouc06de472009-05-30 21:04:26 +0000223- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
224 parameters.
225
Martin v. Löwis79b13872009-06-01 04:13:14 +0000226Windows
227-------
228
Martin v. Löwisb7a51562009-06-07 17:55:17 +0000229- Issue #6221: Delete test registry key before running the test.
230
Martin v. Löwis79b13872009-06-01 04:13:14 +0000231- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
232
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +0000233C-API
234-----
235
236- Issue #5735: Python compiled with --with-pydebug should throw an
237 ImportError when trying to import modules compiled without
238 --with-pydebug, and vice-versa.
239
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000240
Brett Cannonc6d936e2009-06-07 20:09:53 +0000241Build
242-----
243
244- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
245 added LIBS to OS X framework builds.
246
Ronald Oussoren99aab652009-06-08 21:22:57 +0000247- Issue #5809: Specifying both --enable-framework and --enable-shared is
248 an error. Configure now explicity tells you about this.
249
250
Brett Cannonc6d936e2009-06-07 20:09:53 +0000251
Mark Dickinson4eb88b32009-05-11 16:41:34 +0000252What's New in Python 3.1 release candidate 1?
253=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000254
Benjamin Petersone6ad3872009-05-30 15:30:16 +0000255*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000256
257Core and Builtins
258-----------------
259
Martin v. Löwis8ed91b22009-05-29 16:22:26 +0000260- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
261 of the command line.
262
Martin v. Löwisc15bdef2009-05-29 14:47:46 +0000263- Issue #6012: Add cleanup support to O& argument parsing.
264
Eric Smith41669ca2009-05-23 14:23:22 +0000265- Issue #6089: Fixed str.format with certain invalid field specifiers
266 that would raise SystemError.
267
Raymond Hettinger2bcde142009-05-29 04:52:27 +0000268- Issue #5982: staticmethod and classmethod now expose the wrapped
269 function with __func__.
270
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +0000271- Added support for multiple context managers in the same with-statement.
272 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +0000273
Mark Dickinson6b1e43b2009-05-20 18:41:04 +0000274- Issue #5829: complex("1e500") no longer raises OverflowError. This
275 makes it consistent with float("1e500") and interpretation of real
276 and imaginary literals.
277
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +0000278- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
279
R. David Murraydd226ea2009-05-13 12:27:21 +0000280- Issue #5994: the marshal module now has docstrings.
281
Mark Dickinsond1ec8b22009-05-11 15:45:15 +0000282- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
283 (1) inf and nan strings with trailing whitespace were incorrectly
284 rejected; (2) parsing of strings representing infinities and nans
285 was locale aware; and (3) the interpretation of fromhex('-nan')
286 didn't match that of float('-nan').
287
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000288Library
289-------
290
Martin v. Löwisb6a748b2009-05-29 15:23:17 +0000291- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
292
R. David Murrayfb123912009-05-28 18:19:00 +0000293- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
294
R. David Murray1f1b9d32009-05-27 20:56:59 +0000295- Issue #6121: pydoc now ignores leading and trailing spaces in the
296 argument to the 'help' function.
297
Georg Brandlfaf41492009-05-26 18:31:11 +0000298- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
299 arguments for strings with a space in them.
300
Raymond Hettinger089ba7f2009-05-27 00:38:24 +0000301- collections.namedtuple() was not working with the following field
302 names: cls, self, tuple, itemgetter, and property.
303
Benjamin Peterson14a3dd72009-05-25 00:51:58 +0000304- In unittest, using a skipping decorator on a class is now equivalent to
305 skipping every test on the class. The ClassTestSuite class has been removed.
306
Martin v. Löwis70ccd162009-05-24 19:47:22 +0000307- Issue #6050: Don't fail extracting a directory from a zipfile if
308 the directory already exists.
309
Antoine Pitrou61f77b52009-05-24 15:46:13 +0000310- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
311 than an int, which makes some operations possible under 64-bit Linux (e.g.
312 DN_MULTISHOT with F_NOTIFY).
313
Antoine Pitrou716c4442009-05-23 19:04:03 +0000314- Issue #5761: Add the name of the underlying file to the repr() of various
315 IO objects.
316
R. David Murraycaa27b72009-05-23 18:49:56 +0000317- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
318 by Musashi Tamura, tests by Marcin Bachry.
319
Antoine Pitrouc3ee1662009-05-23 16:02:33 +0000320- Issue #1983: Fix functions taking or returning a process identifier to use
321 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
322 a process identifier type wider than the standard C integer type.
323
R. David Murray87e20742009-05-23 01:30:26 +0000324- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
325 Patch by Farhan Ahmad, test by Marcin Bachry.
326
Antoine Pitrou6e610062009-05-15 17:04:50 +0000327- Issue #2116: Weak references and weak dictionaries now support copy()ing and
328 deepcopy()ing.
329
Antoine Pitrouc1d09362009-05-15 12:15:51 +0000330- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
331
Antoine Pitrou37d1c182009-05-14 21:54:00 +0000332- Issue #5918: Fix a crash in the parser module.
333
Antoine Pitrou2ca24f02009-05-14 21:30:46 +0000334- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
335
Antoine Pitroue4501852009-05-14 18:55:55 +0000336- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
337 library. This means, for example, that opening an UTF-16 text file in
338 append mode doesn't add a BOM at the end of the file if the file isn't
339 empty.
340
R. David Murray74b89242009-05-13 17:33:03 +0000341- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
342 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
343 corrects a pydoc regression.
344
R. David Murray99352742009-05-07 18:24:38 +0000345- Issue 5955: aifc's close method did not close the file it wrapped,
346 now it does. This also means getfp method now returns the real fp.
347
Benjamin Peterson932073a2009-05-23 16:14:33 +0000348Installation
349------------
350
351- Issue #6047: fullinstall has been removed because Python 3's executable will
352 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000353
Ronald Oussorenbe7149e2009-05-26 21:39:08 +0000354- Lib/smtpd.py is no longer installed as a script.
355
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000356Extension Modules
357-----------------
358
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +0000359- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +0000360
Martin v. Löwise23c8682009-05-29 16:01:34 +0000361- Issue #4873: Fix resource leaks in error cases of pwd and grp.
362
Martin v. Löwisdb1c3992009-05-23 10:38:26 +0000363- Issue #6093: Fix off-by-one error in locale.strxfrm.
364
Benjamin Peterson744af442009-05-23 18:51:49 +0000365- The _functools and _locale modules are now built into the libpython shared
366 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +0000367
Antoine Pitrou20327222009-05-24 20:39:11 +0000368Build
369-----
370
371- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
372 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
373 Clinton Roy.
374
Brett Cannon1262e7c2009-05-11 01:47:11 +0000375Tests
376-----
377
378- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
379 tests on darwin even when the OS was installed on a case-sensitive
380 filesystem. Also fixed tests that should not be run when
381 sys.dont_write_bytecode is true.
382
383
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000384What's New in Python 3.1 beta 1?
385================================
386
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +0000387*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000388
389Core and Builtins
390-----------------
391
Mark Dickinson865e01a2009-05-07 16:37:01 +0000392- Issue #5914: Add new C API function PyOS_string_to_double, and
393 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
394
Eric Smith741191f2009-05-06 13:08:15 +0000395- Issue #3382: float.__format__, complex.__format__, and %-formatting
396 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
397 affects nan -> NAN and inf -> INF.
398
Mark Hammond5a607a32009-05-06 08:04:54 +0000399- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
400 in all operations, including splitdrive, split, etc. splitunc() now issues
401 a PendingDeprecation warning.
402
Eric Smith63376222009-05-05 14:04:18 +0000403- Issue #5920: For float.__format__, change the behavior with the
404 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
405 to be like 'g' but with at least one decimal point and with a
406 default precision of 12. Previously, the behavior the same but with
407 a default precision of 6. This more closely matches str(), and
408 reduces surprises when adding alignment flags to the empty
409 presentation type. This also affects the new complex.__format__ in
410 the same way.
411
Martin v. Löwis011e8422009-05-05 04:43:17 +0000412- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
413
R. David Murrayb18500d2009-05-04 22:59:07 +0000414- Issue #5890: in subclasses of 'property' the __doc__ attribute was
415 shadowed by classtype's, even if it was None. property now
416 inserts the __doc__ into the subclass instance __dict__.
417
Antoine Pitrou244651a2009-05-04 18:56:13 +0000418- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
419 sequences. Patch by Nick Barnes and Victor Stinner.
420
Martin v. Löwise0a2b722009-05-10 08:08:56 +0000421- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +0000422
Benjamin Petersond2e0c792009-05-01 20:40:59 +0000423- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
424 received a new method, detach(). detach() disconnects the underlying stream
425 from the buffer or text IO and returns it.
426
Mark Dickinson33841c32009-05-01 15:37:04 +0000427- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
428 floats with absolute value over 1e50. Also remove length
429 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
430 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +0000431
Eric Smith741191f2009-05-06 13:08:15 +0000432- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +0000433 format(complex(1, 2./3), '.5') now produces a sensible result.
434
Mark Dickinsond3ca5572009-04-29 18:47:07 +0000435- Issue #5864: Fix empty format code formatting for floats so that it
436 never gives more than the requested number of significant digits.
437
Eric Smith6dc46f52009-04-27 20:39:49 +0000438- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
439 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
440
Eric Smithcc32a112009-04-26 21:35:14 +0000441- Issue #5835: Deprecate PyOS_ascii_formatd.
442
Martin v. Löwis71efeb72009-04-26 01:02:07 +0000443- Issue #4971: Fix titlecase for characters that are their own
444 titlecase, but not their own uppercase.
445
Benjamin Peterson193152c2009-04-25 01:08:45 +0000446- Issue #5283: Setting __class__ in __del__ caused a segfault.
447
Mark Dickinsonad476da2009-04-23 19:14:16 +0000448- Issue #5816: complex(repr(z)) now recovers z exactly, even when
449 z involves nans, infs or negative zeros.
450
Mark Dickinson4a16e3a2009-04-23 19:15:48 +0000451- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +0000452
Mark Dickinsone6a076d2009-04-18 11:48:33 +0000453- Issue #1869 (and many duplicates): make round(x, n) correctly
454 rounded for a float x, by using the decimal <-> binary conversions
455 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
456 consistently agrees with format(x, '.2f').
457
Benjamin Petersonae937c02009-04-18 20:54:08 +0000458- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
459 some builtin types.
460
Eric Smith0923d1d2009-04-16 20:16:10 +0000461- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
462
Eric Smith35e84722009-04-16 20:21:28 +0000463- Issue #5515: str.format() type 'n' combined with commas and leading
464 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +0000465
466- Implement PEP 378, Format Specifier for Thousands Separator, for
467 floats.
468
Mark Dickinson3370cce2009-04-17 22:40:53 +0000469- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000470 1e11, not 1e12. This avoids printing 13 significant digits in
471 situations where only 12 of them are correct. Example problem
472 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
473 long time.)
474
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000475- Issue #1580: On most platforms, use a 'short' float repr: for a
476 finite float x, repr(x) now outputs a string based on the shortest
477 sequence of decimal digits that rounds to x. Previous behaviour was
478 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +0000479 Another minor difference is that the new repr switches to
480 exponential notation at 1e16 instead of the previous 1e17; this
481 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +0000482
483 There's a new sys attribute sys.float_repr_style, which takes
484 the value 'short' to indicate that we're using short float repr,
485 and 'legacy' if the short float repr isn't available for one
486 reason or another.
487
488 The float repr change involves incorporating David Gay's 'perfect
489 rounding' code into the Python core (it's in Python/dtoa.c). As a
490 secondary consequence, all string-to-float and float-to-string
491 conversions (including all float formatting operations) will be
492 correctly rounded on these platforms.
493
494 See issue 1580 discussions for details of platforms for which
495 this change does not apply.
496
Benjamin Peterson2808d3c2009-04-15 21:34:27 +0000497- Issue #5759: float() didn't call __float__ on str subclasses.
498
Georg Brandlabc38772009-04-12 15:51:51 +0000499- The string.maketrans() function is deprecated; there is a new static method
500 maketrans() on the bytes and bytearray classes. This removes confusion about
501 the types string.maketrans() is supposed to work with, and mirrors the
502 methods available on the str class.
503
R. David Murraydc6da8a2009-04-09 22:16:43 +0000504- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
505 its clarity and its speed.
506
Matthias Klose091c7b12009-04-07 13:24:27 +0000507- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
508 to avoid compiler warnings.
509
Walter Dörwald8dc33d52009-05-06 14:41:26 +0000510- Issue #3739: The unicode-internal encoder now reports the number of characters
511 consumed like any other encoder (instead of the number of bytes).
512
Benjamin Peterson0b4915e2009-04-25 21:11:45 +0000513Installation
514------------
515
516- Issue #5756: Install idle and pydoc with a 3 suffix.
517
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000518Library
519-------
520
Martin v. Löwis403117a2009-05-24 19:19:17 +0000521- Issue #5311: bdist_msi can now build packages that do not depend on a
522 specific Python version.
523
Raymond Hettingereb816952009-05-29 01:22:18 +0000524- Issue #5150: IDLE's format menu now has an option to strip trailing
525 whitespace.
526
Vinay Sajipaffbd872009-06-11 10:11:47 +0000527- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +0000528 the right type checkings anymore.
529
Thomas Heller00cfc372009-05-05 19:04:40 +0000530- Issue #4875: On win32, ctypes.util.find_library does no longer
531 return directories.
532
Georg Brandl243ad662009-05-05 09:00:19 +0000533- Issue #5142: Add the ability to skip modules while stepping to pdb.
534
Georg Brandl991f9202009-05-05 08:31:54 +0000535- Issue #1309567: Fix linecache behavior of stripping subdirectories when
536 looking for files given by a relative filename.
537
Georg Brandleaa84ef2009-05-05 08:14:33 +0000538- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
539 turtle demos in Demo/turtle.
540
Antoine Pitrou3c33e082009-05-04 21:21:36 +0000541- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
542 extracting a file to the root directory.
543
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +0000544- Issue #5913: os.listdir() should fail for empty path on windows.
545
Antoine Pitroua9f48a02009-05-02 21:41:14 +0000546- Issue #5084: unpickling now interns the attribute names of pickled objects,
547 saving memory and avoiding growth in size of subsequent pickles. Proposal
548 and original patch by Jake McGuire.
549
Benjamin Petersonc6b607d2009-05-02 12:36:44 +0000550- The json module now works exclusively with str and not bytes.
551
Gregory P. Smithe54dff52009-05-01 22:13:48 +0000552- Issue #3959: The ipaddr module has been added to the standard library.
553 Contributed by Google.
554
Antoine Pitrou7fff0962009-05-01 21:09:44 +0000555- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
556 error when a named pipe is encountered, rather than blocking infinitely.
557
Raymond Hettinger1f0db402009-04-29 00:38:08 +0000558- Issue #5857: tokenize.tokenize() now returns named tuples.
559
Thomas Hellerc1edc2d2009-04-28 19:55:58 +0000560- Issue #4305: ctypes should now build again on mipsel-linux-gnu
561
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +0000562- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
563 string is already in normalized form, by performing a quick check beforehand.
564 Original patch by Rauli Ruohonen.
565
Antoine Pitrou57f3d932009-04-27 21:04:19 +0000566- Issue #5853: calling a function of the mimetypes module from several threads
567 at once could hit the recursion limit if the mimetypes database hadn't been
568 initialized before.
569
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000570- Issue #5854: Updated __all__ to include some missing names and remove some
571 names which should not be exported.
572
Thomas Heller34596a92009-04-24 20:50:00 +0000573- Issue #3102: All global symbols that the _ctypes extension defines
574 are now prefixed with 'Py' or '_ctypes'.
575
576- Issue #5041: ctypes does now allow pickling wide character.
577
Mark Dickinsond4d95f82009-04-24 14:06:19 +0000578- Issue #5812: For the two-argument form of the Fraction constructor,
579 Fraction(m, n), m and n are permitted to be arbitrary Rational
580 instances.
581
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +0000582- Issue #5812: Fraction('1e6') is valid: more generally, any string
583 that's valid for float() is now valid for Fraction(), with the
584 exception of strings representing NaNs and infinities.
585
Antoine Pitroucf4c7492009-04-19 00:09:36 +0000586- Issue #5734: BufferedRWPair was poorly tested and had several glaring
587 bugs. Patch by Brian Quinlan.
588
R. David Murray9e94ddf2009-04-13 17:06:33 +0000589- Issue #1161031: fix readwrite select flag handling: POLLPRI now
590 results in a handle_expt_event call, not handle_read_event, and POLLERR
591 and POLLNVAL now call handle_close, not handle_expt_event. Also,
592 dispatcher now has an 'ignore_log_types' attribute for suppressing
593 log messages, which is set to 'warning' by default.
594
Matthias Klosea3d29e82009-04-07 13:13:10 +0000595- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
596 new arguments introduced in 2.5.
597
Walter Dörwald1b08b302009-04-25 14:13:56 +0000598- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
599 makeunicodedata.py and regenerated the Unicode database (This fixes
600 u'\u1d79'.lower() == '\x00').
601
Matthias Klose535336f2009-04-07 13:49:45 +0000602Extension Modules
603-----------------
604
Benjamin Petersone04b6272009-05-04 22:25:21 +0000605- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
606 pwd.
607
Mark Dickinsonea835e72009-04-19 20:40:33 +0000608- Issue #5463: In struct module, remove deprecated float coercion
609 for integer type codes: struct.pack('L', 0.3) should now raise
610 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
611 The version number has been bumped to 0.3.
612
Matthias Klose535336f2009-04-07 13:49:45 +0000613- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
614 using Berkley-DB.
615
Nick Coghlan47384702009-04-22 16:13:36 +0000616Tests
617-----
618
619- Issue #5354: New test support function import_fresh_module() makes
620 it easy to import both normal and optimised versions of modules.
621 test_heapq and test_warnings have been adjusted to use it, tests for
622 other modules with both C and Python implementations in the stdlib
623 can be adjusted to use it over time.
624
Walter Dörwald4ba80132009-04-25 12:48:43 +0000625- Issue #5837: Certain sequences of calls to set() and unset() for
626 support.EnvironmentVarGuard objects restored the environment variables
627 incorrectly on __exit__.
628
Benjamin Petersonb173f782009-05-05 22:31:58 +0000629C-API
630-----
631
632- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
633
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000634
Benjamin Petersond1735892009-03-07 18:46:21 +0000635What's New in Python 3.1 alpha 2?
636=================================
637
Benjamin Peterson88f14352009-04-04 21:06:52 +0000638*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +0000639
640Core and Builtins
641-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +0000642
Eric Smith1e1d7d22009-04-03 22:25:33 +0000643- Implement PEP 378, Format Specifier for Thousands Separator, for
644 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +0000645
Benjamin Peterson8f76b492009-04-03 22:22:42 +0000646- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
647
Benjamin Peterson7fe98532009-04-02 00:33:55 +0000648- Issue #5499: The 'c' code for argument parsing functions now only accepts a
649 byte, and the 'C' code only accepts a unicode character.
650
Georg Brandl406b3d82009-04-11 21:24:37 +0000651- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
652 when hitting the recursion limit under certain circumstances.
653
Brett Cannon0759dd62009-04-01 18:13:07 +0000654- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
655
Georg Brandlab6f2f62009-03-31 04:16:10 +0000656- Fix a segfault when running test_exceptions with coverage, caused by
657 insufficient checks in accessors of Exception.__context__.
658
Guido van Rossum0ad59d42009-03-30 22:01:35 +0000659- Issue #5604: non-ASCII characters in module name passed to
660 imp.find_module() were converted to UTF-8 while the path is
661 converted to the default filesystem encoding, causing nonsense.
662
Benjamin Peterson09832742009-03-26 17:15:46 +0000663- Issue #5126: str.isprintable() returned False for space characters.
664
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +0000665- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
666 the end sys.path, for compatibility with the system install of Python.
667
Antoine Pitrou3a652b12009-03-23 18:52:06 +0000668- Issue #4688: Add a heuristic so that tuples and dicts containing only
669 untrackable objects are not tracked by the garbage collector. This can
670 reduce the size of collections and therefore the garbage collection overhead
671 on long-running programs, depending on their particular use of datatypes.
672
Mark Dickinson17e4fdd2009-03-23 18:44:57 +0000673- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
674 improve its performance. Long divisions and remainder operations
675 are now between 50% and 150% faster.
676
Mark Dickinsonbd792642009-03-18 20:06:12 +0000677- Issue #4258: Make it possible to use base 2**30 instead of base
678 2**15 for the internal representation of integers, for performance
679 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
680 --enable-big-digits option to configure, which overrides the
681 default. Add sys.int_info structseq to provide information about
682 the internal format.
683
Mark Dickinson081dfee2009-03-18 14:47:41 +0000684- Issue #4474: PyUnicode_FromWideChar now converts characters outside
685 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
686 and sizeof(Py_UNICODE) == 2.
687
Eric Smith8ec90442009-03-14 12:29:34 +0000688- Issue #5237: Allow auto-numbered fields in str.format(). For
689 example: '{} {}'.format(1, 2) == '1 2'.
690
Antoine Pitrou652e7072009-03-13 19:25:20 +0000691- Issue #5392: when a very low recursion limit was set, the interpreter would
692 abort with a fatal error after the recursion limit was hit twice.
693
Matthias Klose042f1332009-04-04 14:32:42 +0000694- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
695 short file names.
696
Benjamin Petersond1735892009-03-07 18:46:21 +0000697Library
698-------
699
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000700- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +0000701 mailbox.MH.get_message().
702
Hye-Shik Chang944820b2009-04-02 10:33:16 +0000703- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
704 error substitutions from non-strict codec error callbacks in
705 incrementalencoder and StreamWriter.
706
Georg Brandl33c28812009-04-01 23:07:29 +0000707- Issue #5656: Fix the coverage reporting when running the test suite with
708 the -T argument.
709
Raymond Hettinger3f10a952009-04-01 19:05:50 +0000710- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
711
Georg Brandl4ed72ac2009-04-01 04:28:33 +0000712- Issue #5624: Fix the _winreg module name still used in several modules.
713
Benjamin Petersona1b49012009-03-31 23:11:32 +0000714- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
715
Jesse Nollera9314042009-03-31 22:36:44 +0000716- Issue #5619: Multiprocessing children disobey the debug flag and causes
717 popups on windows buildbots. Patch applied to work around this issue.
718
Jesse Noller32d68c22009-03-31 18:48:42 +0000719- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
720
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +0000721- Issue #5387: Fixed mmap.move crash by integer overflow.
722
Jesse Nollerf8d00852009-03-31 03:25:07 +0000723- Issue #5261: Patch multiprocessing's semaphore.c to support context
724 manager use: "with multiprocessing.Lock()" works now.
725
Brett Cannon7f6b4f82009-03-30 21:30:26 +0000726- Issue #5236: Change time.strptime() to only take strings. Didn't work with
727 bytes already but the failure was non-obvious.
728
Jesse Noller7af4ef82009-03-30 16:47:15 +0000729- Issue #5177: Multiprocessing's SocketListener class now uses
730 socket.SO_REUSEADDR on all connections so that the user no longer needs
731 to wait 120 seconds for the socket to expire.
732
Benjamin Peterson48e24782009-03-29 13:02:52 +0000733- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
734
Antoine Pitrou66994e12009-03-29 00:45:26 +0000735- Issue #1174606: Calling read() without arguments of an unbounded file
736 (typically /dev/zero under Unix) could crash the interpreter.
737
Benjamin Peterson59406a92009-03-26 17:10:29 +0000738- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
739 io.BufferedRandom have been deprecated for removal in Python 3.2.
740
Lars Gustäbel42e00912009-03-22 20:34:29 +0000741- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
742 forever on incomplete input. That caused tarfile.open() to hang when used
743 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
744 partial bzip2 compressed data.
745
Mark Dickinson79f52032009-03-17 23:12:51 +0000746- Issue #2110: Add support for thousands separator and 'n' type
747 specifier to Decimal.__format__
748
Mark Dickinson9c59fe02009-03-17 18:15:08 +0000749- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
750 '>' alignment characters.
751
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +0000752- The error detection code in FileIO.close() could fail to reflect the `errno`
753 value, and report it as -1 instead.
754
Antoine Pitroua28fcfd2009-03-13 23:42:55 +0000755- Issue #5016: FileIO.seekable() could return False if the file position
756 was negative when truncated to a C int. Patch by Victor Stinner.
757
Mark Dickinsonae681df2009-03-21 10:26:31 +0000758Extension Modules
759-----------------
760
Benjamin Petersone099b372009-04-04 17:09:35 +0000761- Issue #5391: mmap now deals exclusively with bytes.
762
Mark Dickinsonae681df2009-03-21 10:26:31 +0000763- Issue #5463: In struct module, remove deprecated overflow wrapping
764 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +0000765 struct.error instead of returning b'\xff\xff\xff\xff'. The
766 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
767 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +0000768
Benjamin Petersond1735892009-03-07 18:46:21 +0000769
Benjamin Petersona58a6262009-03-07 16:34:40 +0000770What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +0000771================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000772
Benjamin Petersona58a6262009-03-07 16:34:40 +0000773*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000774
775Core and Builtins
776-----------------
777
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +0000778- The io module has been reimplemented in C for speed.
779
Raymond Hettingerb0d56af2009-03-03 10:52:49 +0000780- Give dict views an informative __repr__.
781
Eric Smith5e5c0db2009-02-20 14:25:03 +0000782- Issue #5247: Improve error message when unknown format codes are
783 used when using str.format() with str, int, and float arguments.
784
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +0000785- Issue #5249: time.strftime returned malformed string when format string
786 contained non ascii character on windows.
787
Benjamin Petersonf5b52242009-03-02 23:31:26 +0000788- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
789 source has already been decoded into str.
790
Antoine Pitrou79eee6b2009-02-13 14:01:05 +0000791- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
792 rotating the object pointer by 4 bits to the right.
793
Mark Dickinson87ec0852009-02-09 17:15:59 +0000794- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
795 it now forces its argument to double before testing for infinity.
796
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +0000797- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
798 returns a non-number type.
799
Benjamin Peterson87618552009-02-08 15:00:52 +0000800- Issue #5182: Removed memoryview.__str__.
801
Mark Dickinsonc008a172009-02-01 13:59:22 +0000802- Issue #1717: Removed builtin cmp() function, dropped tp_compare
803 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +0000804 the type definition cmpfunc. The tp_compare slot has been renamed
805 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +0000806
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000807- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +0000808 were suppressing all exceptions. These include list() and bytearray().
809
Mark Dickinson1124e712009-01-28 21:25:58 +0000810- Issue #4707: round(x, n) now returns an integer if x is an integer.
811 Previously it returned a float.
812
Antoine Pitroub52ec782009-01-25 16:34:23 +0000813- Issue #4753: By enabling a configure option named '--with-computed-gotos'
814 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
815 evaluation loop is compiled with a new dispatch mechanism which gives
816 speedups of up to 20%, depending on the system, on various benchmarks.
817
Antoine Pitrou81fabdb2009-01-22 10:11:36 +0000818- Issue #4874: Most builtin decoders now reject unicode input.
819
Mark Dickinson9ffc0202009-01-20 20:45:53 +0000820- Issue #4842: Don't allow trailing 'L' when constructing an integer
821 from a string.
822
Benjamin Peterson05e782f2009-01-19 15:15:02 +0000823- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
824
Antoine Pitroue4bc7f62009-01-17 21:06:43 +0000825- Issue #4838: When a module is deallocated, free the memory backing the
826 optional module state data.
827
Mark Dickinson8055afd2009-01-17 10:04:45 +0000828- Issue #4910: Rename nb_long slot to nb_reserved, and change its
829 type to (void *).
830
Antoine Pitrou8d4e5052009-01-13 22:59:11 +0000831- Issue #4935: The overflow checking code in the expandtabs() method common
832 to str, bytes and bytearray could be optimized away by the compiler, letting
833 the interpreter segfault instead of raising an error.
834
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +0000835- Issue #3720: Fix a crash when an iterator modifies its class and removes its
836 __next__ method.
837
Mark Dickinsone5e298f2009-01-12 20:49:19 +0000838- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
839 function no longer attempt to call the __long__ slot to convert an object
840 to an integer. Only the __int__ and __trunc__ slots are examined.
841
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +0000842- Issue #4893: Use NT threading on CE.
843
Martin v. Löwisec59d042009-01-12 07:59:10 +0000844- Issue #4915: Port sysmodule to Windows CE.
845
Antoine Pitrouab868312009-01-10 15:40:25 +0000846- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
847 common cases are optimized thanks to a dedicated fast path and a moderate
848 amount of loop unrolling.
849
Antoine Pitrou14b78f52009-01-09 22:27:08 +0000850- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
851 collecting the oldest generation) so that allocating lots of objects without
852 destroying them does not show quadratic performance. Based on a proposal by
853 Martin von Löwis at
854 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
855
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000856- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +0000857 having been closed (for instance, a read() call could return some
858 previously buffered data). Patch by Dmitry Vasiliev.
859
Antoine Pitrou05608432009-01-09 18:53:14 +0000860- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
861 flag to work properly. Furthermore, when specifying -u, the text stdout
862 and stderr streams have line-by-line buffering enabled (the default being
863 to buffer arbitrary chunks of data).
864
Raymond Hettinger35631532009-01-09 03:58:09 +0000865- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
866 instead of ints (reducing its size from 4 to 8 times thereby reducing
867 Python's overall memory).
868
Antoine Pitroud35cbf62009-01-06 19:02:24 +0000869- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
870 an existing .py counterpart, override the co_filename attributes of all
871 code objects if the original filename is obsolete (which can happen if the
872 file has been renamed, moved, or if it is accessed through different paths).
873 Patch by Ziga Seilnacht and Jean-Paul Calderone.
874
Antoine Pitrouc3b39242009-01-03 16:59:18 +0000875- Issue #4580: Fix slicing of memoryviews when the item size is greater than
876 one byte. Also fixes the meaning of len() so that it returns the number of
877 items, rather than the size in bytes.
878
Martin v. Löwis5c88d812009-01-02 20:47:48 +0000879- Issue #4075: Use OutputDebugStringW in Py_FatalError.
880
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +0000881- Issue #4747: When the terminal does not use utf-8, executing a script with
882 non-ascii characters in its name could fail with a "SyntaxError: None" error.
883
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +0000884- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +0000885 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +0000886
Antoine Pitrou7ddda782009-01-01 15:35:33 +0000887- Issue #3680: Reference cycles created through a dict, set or deque iterator
888 did not get collected.
889
Nick Coghlanf1f2f682008-12-30 07:29:12 +0000890- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
891 where the tp_hash and tp_dict slots are both NULL.
892
Georg Brandlccc47b62008-12-28 11:44:14 +0000893- Issue #4759: None is now allowed as the first argument of
894 bytearray.translate(). It was always allowed for bytes.translate().
895
Skip Montanaro80072cb2008-12-23 03:51:14 +0000896- Added test case to ensure attempts to read from a file opened for writing
897 fail.
898
Antoine Pitrou51f3ef92008-12-20 13:14:23 +0000899- Issue #3106: Speedup some comparisons (str/str and int/int).
900
Antoine Pitrouf289ae62008-12-18 11:06:25 +0000901- Issue #2183: Simplify and optimize bytecode for list, dict and set
902 comprehensions. Original patch for list comprehensions by Neal Norwitz.
903
Antoine Pitrou621601a2008-12-17 23:18:19 +0000904- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
905 print elapsed times, not only when some objects are uncollectable /
906 unreachable. Original patch by Neil Schemenauer.
907
Mark Dickinson54bc1ec2008-12-17 16:19:07 +0000908- Issue #3439: Add a bit_length method to int.
909
Mark Dickinsonda2706b2008-12-11 18:03:03 +0000910- Issue #2173: When getting device encoding, check that return value of
911 nl_langinfo is not the empty string. This was causing silent build
912 failures on OS X.
913
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +0000914- Issue #4597: Fixed several opcodes that weren't always propagating
915 exceptions.
916
917- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +0000918 context manager returns a value that cannot be converted to a bool.
919
Mark Dickinsonfd24b322008-12-06 15:33:31 +0000920- Issue #4445: Replace "sizeof(PyBytesObject)" with
921 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
922 bytes instances. On a typical machine this saves 3 bytes of memory
923 (on average) per allocation of a bytes instance.
924
Christian Heimesa872de52008-12-05 08:26:55 +0000925- Issue #4533: File read operation was dreadfully slow due to a slowly
926 growing read buffer. Fixed by using the same growth rate algorithm as
927 Python 2.x.
928
Antoine Pitrou5504e892008-12-06 21:27:53 +0000929- Issue #4509: Various issues surrounding resize of bytearray objects to
930 which there are buffer exports (e.g. memoryview instances).
931
Georg Brandlf9734072008-12-07 15:30:06 +0000932- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
933 method on file objects with closefd=False. The file descriptor is still
934 kept open but the file object behaves like a closed file. The ``FileIO``
935 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +0000936
Antoine Pitroubc420402008-12-07 20:14:49 +0000937- Issue #4569: Interpreter crash when mutating a memoryview with an item size
938 larger than 1.
939
Benjamin Peterson371ccfb2008-12-27 19:03:36 +0000940- Issue #4748: Lambda generators no longer return a value.
941
Gregory P. Smithccc5ae72009-03-02 05:21:55 +0000942- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
943
Walter Dörwaldc1651a02009-05-03 22:55:55 +0000944- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
945 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
946 step. This avoids problems with counting UTF-8 bytes that ignores the effect
947 of using the replace error handler in PyUnicode_DecodeUTF8().
948
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000949Library
950-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +0000951
Tarek Ziadé2f19bb12009-07-22 08:57:28 +0000952- Issue #6545: Removed assert statements in distutils.Extension, so the
953 behavior is similar when used with -O.
954
Benjamin Petersonbed7d042009-07-19 21:01:52 +0000955- unittest has been split up into a package. All old names should still work.
956
Tarek Ziadéf8926b22009-07-16 16:18:19 +0000957- Issue #6466: now distutils.cygwinccompiler and distutils.emxccompiler
958 uses the same refactored function to get gcc/ld/dllwrap versions numbers.
959 It's `distutils.util.get_compiler_versions`. Added deprecation warnings
960 for the obsolete get_versions() functions.
961
Alexandre Vassalottie52e3782009-07-17 09:18:18 +0000962- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
963
964- Issue #6314: logging: Extra checks on the "level" argument in more places.
965
966- Issue #2622: Fixed an ImportError when importing email.messsage from a
967 standalone application built with py2exe or py2app.
968
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000969- Issue #6455: Fixed test_build_ext under win32.
Tarek Ziadéb7815e32009-07-10 09:14:31 +0000970
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000971- Issue #6377: Enabled the compiler option, and deprecate its usage as an
Tarek Ziadédd07ebb2009-07-06 13:52:17 +0000972 attribute.
973
Tarek Ziadé05bf01a2009-07-04 02:04:21 +0000974- Issue #6413: Fixed the log level in distutils.dist for announce.
975
Tarek Ziadée10d6de2009-07-03 08:33:28 +0000976- Issue #6403: Fixed package path usage in build_ext.
977
Alexandre Vassalottie52e3782009-07-17 09:18:18 +0000978- Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was
979 unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
980 descriptor errors
981
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000982- Issue #6365: Distutils build_ext inplace mode was copying the compiled
Tarek Ziadé0156f912009-06-29 16:19:22 +0000983 extension in a subdirectory if the extension name had dots.
984
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000985- Issue #6164: Added an AIX specific linker argument in Distutils
Tarek Ziadé8f480e52009-06-28 21:30:52 +0000986 unixcompiler. Original patch by Sridhar Ratnakumar.
987
Tarek Ziadé25bd2062009-06-28 21:26:27 +0000988- Issue #6286: Now Distutils upload command is based on urllib2 instead of
989 httplib, allowing the usage of http_proxy.
990
Tarek Ziadé5e06a652009-06-16 07:43:42 +0000991- Issue #6287: Added the license field in Distutils documentation.
992
Tarek Ziadéff543362009-06-11 09:25:41 +0000993- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
994
Tarek Ziadéabcc3f42009-06-11 08:31:17 +0000995- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
996 in Makefiles. This prevents compile errors when using syntax like:
997 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
998
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +0000999- Issue #6131: test_modulefinder leaked when run after test_distutils.
1000 Patch by Hirokazu Yamamoto.
1001
Tarek Ziadé77c8b372009-05-28 13:01:13 +00001002- Issue #6048: Now Distutils uses the tarfile module in archive_util.
1003
Vinay Sajipaffbd872009-06-11 10:11:47 +00001004- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +00001005 and tests on pywin32 by Tim Golden.
1006
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +00001007- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
1008
Tarek Ziadéd18a84e2009-05-18 08:07:46 +00001009- Issue #6046: Fixed the library extension when distutils build_ext is used
1010 inplace. Initial patch by Roumen Petrov.
1011
Vinay Sajipaffbd872009-06-11 10:11:47 +00001012- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +00001013 subcommand.
1014
Tarek Ziadé4210c6e2009-05-14 20:20:47 +00001015- Issue #6022: a test file was created in the current working directory by
1016 test_get_outputs in Distutils.
1017
Tarek Ziadéff0e5002009-05-12 17:14:01 +00001018- Issue #5977: distutils build_ext.get_outputs was not taking into account the
1019 inplace option. Initial patch by kxroberto.
1020
Tarek Ziadé06fbee12009-05-10 10:34:01 +00001021- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
1022 for old-style extensions.
1023
Tarek Ziadébe5b1b92009-05-09 10:09:11 +00001024- Issue #5976: Fixed Distutils test_check_environ.
1025
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00001026- Issue #5941: Distutils build_clib command was not working anymore because
1027 of an incomplete costumization of the archiver command. Added ARFLAGS in the
1028 Makefile besides AR and make Distutils use it. Original patch by David
1029 Cournapeau.
1030
R. David Murrayb507d2e2009-04-29 15:34:32 +00001031- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
1032
Vinay Sajipaffbd872009-06-11 10:11:47 +00001033- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +00001034 anymore.
1035
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001036- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +00001037 sysconfig.get_config_vars.
1038
Tarek Ziadé23336082009-04-25 12:39:56 +00001039- Issue #4951: Fixed failure in test_httpservers.
1040
Thomas Hellerd3cfe992009-04-24 20:10:24 +00001041- Issue #5795: Fixed test_distutils failure on Debian ppc.
1042
Tarek Ziadé822e1d42009-04-13 12:37:57 +00001043- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
1044
Georg Brandl1f9fa312009-04-27 16:42:58 +00001045- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
1046 a value in SafeConfigParser.
1047
Tarek Ziadéf396ecf2009-04-11 15:00:43 +00001048- Issue #5732: added a new command in Distutils: check.
1049
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001050- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +00001051 platforms. Initial patch by Paul Moore.
1052
Tarek Ziadéf6370502009-04-05 22:57:21 +00001053- Issue #5095: Added bdist_msi to the list of bdist supported formats.
1054 Initial fix by Steven Bethard.
1055
Tarek Ziadé889b0aa2009-04-05 21:49:36 +00001056- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
1057 Initial fix by Wayne Davison.
1058
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001059- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +00001060
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001061- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +00001062
Brett Cannonf47e84c2009-04-01 16:06:01 +00001063- Issue #1665206 (partially): Move imports in cgitb to the top of the module
1064 instead of performing them in functions. Helps prevent import deadlocking in
1065 threads.
1066
R. David Murraye59482e2009-04-01 03:42:00 +00001067- Issue #2522: locale.format now checks its first argument to ensure it has
1068 been passed only one pattern, avoiding mysterious errors where it appeared
1069 that it was failing to do localization.
1070
Tarek Ziadéb2e36f12009-03-31 22:37:55 +00001071- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
1072 Brandl.
1073
Antoine Pitrou350370c2009-03-14 00:13:13 +00001074- Issue #1222: locale.format() bug when the thousands separator is a space
1075 character.
1076
Tarek Ziadé516db942009-03-11 12:52:00 +00001077- Issue #5472: Fixed distutils.test_util tear down. Original patch by
1078 Tim Golden.
1079
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +00001080- collections.deque() objects now have a read-only attribute called maxlen.
1081
Guilherme Polof45b4cc2009-03-07 02:19:14 +00001082- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
1083 it is has been populated and properly configured in order to prevent
1084 window flashing.
1085
Guilherme Polo56f5be52009-03-07 01:54:57 +00001086- Issue #4792: Prevent a segfault in _tkinter by using the
1087 guaranteed to be safe interp argument given to the PythonCmd in place of
1088 the Tcl interpreter taken from a PythonCmd_ClientData.
1089
1090- Issue #5193: Guarantee that tkinter.Text.search returns a string.
1091
Tarek Ziadé63b64c02009-03-07 00:51:53 +00001092- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
1093 Original patch by Akira Kitada.
1094
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00001095- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
1096
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00001097- Issue #5385: Fixed mmap crash after resize failure on windows.
1098
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00001099- Issue #5179: Fixed subprocess handle leak on failure on windows.
1100
Raymond Hettinger2d32f632009-03-02 21:24:57 +00001101- PEP 372: Added collections.OrderedDict().
1102
Raymond Hettingera4f52b12009-03-02 22:28:31 +00001103- The _asdict() for method for namedtuples now returns an OrderedDict().
1104
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00001105- configparser now defaults to using an ordered dictionary.
1106
Benjamin Petersone0124bd2009-03-09 21:04:33 +00001107- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
1108 import guess_extension`` was used.
1109
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00001110- Issue #1733986: Fixed mmap crash in accessing elements of second map object
1111 with same tagname but larger size than first map. (Windows)
1112
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00001113- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
1114 overrun.
1115
Tarek Ziadéf0721222009-02-28 10:16:43 +00001116- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
1117 bdist_rpm command.
1118
1119- Issue #5378: added --quiet option to Distutils bdist_rpm command.
1120
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001121- Issue #5052: make Distutils compatible with 2.3 again.
1122
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00001123- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
1124 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001125
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001126- Issue #5287: Add exception handling around findCaller() call to help out
1127 IronPython.
1128
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00001129- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
1130 The file was resized to wrong size.
1131
1132- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
1133
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001134- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00001135 from the package_data and the data_files metadata.
1136
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001137- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00001138 support.TempdirManager, to avoid writing in the tests directory.
1139
Tarek Ziadé68c50952009-02-13 23:04:17 +00001140- Issue #4524: distutils build_script command failed with --with-suffix=3.
1141 Initial patch by Amaury Forgeot d'Arc.
1142
Tarek Ziadé811d6242009-02-13 22:26:15 +00001143- Issue #2461: added tests for distutils.util
1144
Mark Dickinsonc28ad272009-02-12 17:58:36 +00001145- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
1146 which inherited from numbers.py which did not have __slots__ defined. The
1147 numbers hierarchy now has its own __slots__ declarations.
1148
Antoine Pitroub353c122009-02-11 00:39:14 +00001149- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
1150 encoding.
1151
Thomas Heller465c8022009-02-10 18:59:04 +00001152- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
1153 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
1154
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00001155- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
1156 under NT and OS2. Patch by Philip Jenvey.
1157
Brett Cannonbefb14f2009-02-10 02:10:16 +00001158- Issue #5128: Make compileall properly inspect bytecode to determine if needs
1159 to be recreated. This avoids a timing hole thanks to the old reliance on the
1160 ctime of the files involved.
1161
Guilherme Polob681df42009-02-09 22:33:59 +00001162- Issue #5122: Synchronize tk load failure check to prevent a potential
1163 deadlock.
1164
Benjamin Petersona86f2c02009-02-10 02:41:10 +00001165- Issue #1818: collections.namedtuple() now supports a keyword argument
1166 'rename' which lets invalid fieldnames be automatically converted to
1167 positional names in the form, _1, _2, ...
1168
Guilherme Poloae098992009-02-09 16:44:24 +00001169- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
1170
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00001171- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
1172 public documented method ``ZipImporter.get_filename()``.
1173
Nick Coghlan3f48ae32009-02-08 01:58:26 +00001174- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
1175 the execution of packages by looking for and executing a ``__main__``
1176 submodule when a package name is supplied. Initial patch by Andi
1177 Vajda.
1178
Guilherme Polo491aee22009-02-06 23:16:11 +00001179- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
1180 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
1181 Tkapp_Call when calling from a thread different than the one that created
1182 the Tcl interpreter. Patch by Robert Hancock.
1183
Eric Smith0e5b5622009-02-06 01:32:42 +00001184- Issue #4285: Change sys.version_info to be a named tuple. Patch by
1185 Ross Light.
1186
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001187- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00001188 environment/Makefile. Patch by Douglas Greiman.
1189
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00001190- Issue #1276768: The verbose option was not used in the code of
1191 distutils.file_util and distutils.dir_util.
1192
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001193- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00001194 --enabled-shared activated. Initial patch by Dave Peterson.
1195
Guilherme Polo7f423952009-02-02 21:17:09 +00001196- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
1197
Raymond Hettinger85602262009-02-03 04:19:10 +00001198- The shelve module now defaults to pickle protocol 3.
1199
Brett Cannone61426e2009-01-30 01:31:34 +00001200- Fix a bug in the trace module where a bytes object from co_lnotab had its
1201 items being passed through ord().
1202
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00001203- Issue #2047: shutil.move() could believe that its destination path was
1204 inside its source path if it began with the same letters (e.g. "src" vs.
1205 "src.new").
1206
Guilherme Polo5f238482009-01-28 14:41:10 +00001207- Added the ttk module. See issue #2983: Ttk support for Tkinter.
1208
Raymond Hettinger89e12962009-01-26 02:09:03 +00001209- Removed isSequenceType(), isMappingType, and isNumberType() from the
1210 operator module; use the abstract base classes instead. Also removed
1211 the repeat() function; use mul() instead.
1212
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001213- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00001214 collections.namedtuple() relied on __name__ being defined.
1215
1216- Backport importlib from Python 3.1. Only the import_module() function has
1217 been backported to help facilitate transitions from 2.7 to 3.1.
1218
Tarek Ziadé0302cf52009-01-26 17:23:20 +00001219- Issue #1885: distutils. When running sdist with --formats=tar,gztar
1220 the tar file was overriden by the gztar one.
1221
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00001222- Issue #4863: distutils.mwerkscompiler has been removed.
1223
Raymond Hettingerd07d9392009-01-27 04:20:44 +00001224- Added a new itertools functions: combinations_with_replacement()
1225 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00001226
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001227- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00001228 allowed non-integer arguments.
1229
Jesse Noller41faa542009-01-25 03:45:53 +00001230- Fix and properly document the multiprocessing module's logging
1231 support, expose the internal levels and provide proper usage
1232 examples.
1233
Mark Dickinsoncddcf442009-01-24 21:46:33 +00001234- Issue #1672332: fix unpickling of subnormal floats, which was
1235 producing a ValueError on some platforms.
1236
Martin v. Löwisacbf4612009-01-24 16:19:45 +00001237- Issue #3881: Help Tcl to load even when started through the
1238 unreadable local symlink to "Program Files" on Vista.
1239
Martin v. Löwis59e47792009-01-24 14:10:07 +00001240- Issue #4710: Extract directories properly in the zipfile module;
1241 allow adding directories to a zipfile.
1242
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001243- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00001244 --without-threads argument. When this occurs, _multiprocessing will
1245 be disabled, and not compiled.
1246
Antoine Pitrou08838b62009-01-21 00:55:13 +00001247- Issue #5008: When a file is opened in append mode with the new IO library,
1248 do an explicit seek to the end of file (so that e.g. tell() returns the
1249 file size rather than 0). This is consistent with the behaviour of the
1250 traditional 2.x file object.
1251
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001252- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
1253 parameter was set.
1254
Mark Dickinson8dd05142009-01-20 20:43:58 +00001255- Issue #4842: Always append a trailing 'L' when pickling longs using
1256 pickle protocol 0. When reading, the 'L' is optional.
1257
Brett Cannonafccd632009-01-20 02:21:27 +00001258- Add the importlib package.
1259
Jesse Noller9a0fc972009-01-18 21:12:58 +00001260- Issue #4301: Patch the logging module to add processName support, remove
1261 _check_logger_class from multiprocessing.
1262
Jesse Noller1cbb17a2009-01-18 19:45:18 +00001263- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001264 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00001265
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00001266- Issue #4959: inspect.formatargspec now works for keyword only arguments
1267 without defaults.
1268
Jesse Noller6214edd2009-01-19 16:23:53 +00001269- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
1270 for *nix machines for negative handles and large int handles. Without this check
1271 it is possible to segfault the interpreter.
1272
Jesse Nollerb0516a62009-01-18 03:11:38 +00001273- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
1274 in sharedctypes.py.
1275
1276- Issue #1225107: inspect.isclass() returned True for instances with a custom
1277 __getattr__.
1278
Gregory P. Smithde3369f2009-01-12 04:50:11 +00001279- Issue #3826 and #4791: The socket module now closes the underlying socket
1280 appropriately when it is being used via socket.makefile() objects
1281 rather than delaying the close by waiting for garbage collection to do it.
1282
Raymond Hettingerb8baf632009-01-14 02:20:07 +00001283- Issue #1696199: Add collections.Counter() for rapid and convenient
1284 counting.
1285
Antoine Pitrou308705e2009-01-10 16:22:51 +00001286- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
1287
Thomas Heller5e4e4272009-01-08 09:34:20 +00001288- Issue #4867: Fixed a crash in ctypes when passing a string to a
1289 function without defining argtypes.
1290
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00001291- Issue #4272: Add an optional argument to the GzipFile constructor to override
1292 the timestamp in the gzip stream. The default value remains the current time.
1293 The information can be used by e.g. gunzip when decompressing. Patch by
1294 Jacques Frechet.
1295
Mark Dickinson315a20a2009-01-04 21:34:18 +00001296- Restore Python 2.3 compatibility for decimal.py.
1297
Guilherme Polo3f5f8222009-01-03 22:00:39 +00001298- Issue #3638: Remove functions from _tkinter module level that depend on
1299 TkappObject to work with multiple threads.
1300
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001301- Issue #4718: Adapt the wsgiref package so that it actually works with
1302 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00001303 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
1304
Raymond Hettinger771ed762009-01-03 19:20:32 +00001305- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
1306 to the decimal module.
1307
Georg Brandl3a9b0622009-01-03 22:07:57 +00001308- Fractions.from_float() no longer loses precision for integers too big to
1309 cast as floats.
1310
Mark Dickinsonf9236412009-01-02 23:23:21 +00001311- Issue #4812: add missing underscore prefix to some internal-use-only
1312 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
1313
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001314- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00001315 did unnecessary work in the common case where no key function was specified.
1316
Georg Brandlb1441c72009-01-03 22:33:39 +00001317- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
1318 the function is not a generator.
1319
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001320- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
1321 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00001322
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001323- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00001324 function. Original patch by Thomas Heller.
1325
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00001326- Issue #3767: Convert Tk object to string in tkColorChooser.
1327
Martin v. Löwise354d782008-12-29 16:03:04 +00001328- Issue #3248: Allow placing ScrolledText in a PanedWindow.
1329
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00001330- Issue #4444: Allow assertRaises() to be used as a context handler, so that
1331 the code under test can be written inline if more practical.
1332
Georg Brandldb7b6b92009-01-01 15:53:14 +00001333- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
1334 works as expected in the interactive environment.
1335
Antoine Pitroudb5fe662008-12-27 15:50:40 +00001336- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
1337 Gabriel Genellina.
1338
Antoine Pitrou180a3362008-12-14 16:36:46 +00001339- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
1340 boundary.
1341
Nick Coghlanf088e5e2008-12-14 11:50:48 +00001342- Issue #4223: inspect.getsource() will now correctly display source code
1343 for packages loaded via zipimport (or any other conformant PEP 302
1344 loader). Original patch by Alexander Belopolsky.
1345
1346- Issue #4201: pdb can now access and display source code loaded via
1347 zipimport (or any other conformant PEP 302 loader). Original patch by
1348 Alexander Belopolsky.
1349
1350- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
1351 302 conformant loader) will now work correctly in most cases (they
1352 are still subject to the constraints that exist for all code running
1353 from inside a module loaded via a PEP 302 loader and attempting to
1354 perform IO operations based on __file__). Original patch by
1355 Alexander Belopolsky.
1356
1357- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
1358 allows backporting to maintenance branches. Original patch by
1359 Alexander Belopolsky.
1360
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00001361- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
1362 a non-ASCII letter.
1363
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00001364- Issue #4616: TarFile.utime(): Restore directory times on Windows.
1365
Benjamin Peterson433f32c2008-12-12 01:25:05 +00001366- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
1367 codec cannot be found. This is for compatibility with the builtin behavior.
1368
Facundo Batista708d5812008-12-11 04:20:07 +00001369- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
1370 give correct results in the case where one argument is a quiet NaN
1371 and the other is a finite number that requires rounding.
1372
Skip Montanaroc1ce2862008-12-06 17:25:02 +00001373- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
1374 libs.
1375
Georg Brandlf9734072008-12-07 15:30:06 +00001376- Added the subprocess.check_call_output() convenience function to get output
1377 from a subprocess on success or raise an exception on error.
1378
1379- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1380 support unusual filenames (such as those containing semi-colons) in
1381 Content-Disposition headers.
1382
1383- Issue #4384: Added logging integration with warnings module using
1384 captureWarnings(). This change includes a NullHandler which does nothing;
1385 it will be of use to library developers who want to avoid the "No handlers
1386 could be found for logger XXX" message which can appear if the library user
1387 doesn't configure logging.
1388
1389- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
1390 exception.
1391
Georg Brandleee31162008-12-07 15:15:22 +00001392- Issue #4529: fix the parser module's validation of try-except-finally
1393 statements.
1394
1395- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
1396 not a malformed option.
1397
1398- Added the subprocess.check_output() convenience function to get output
1399 from a subprocess on success or raise an exception on error.
1400
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00001401- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
1402 the corresponding tests now pass.
1403
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00001404- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
1405 it was calling the wrong open() function.
1406
Fred Drake9a0a65b2008-12-04 19:24:50 +00001407- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
1408 support unusual filenames (such as those containing semi-colons) in
1409 Content-Disposition headers.
1410
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00001411- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
1412 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
1413
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00001414- Issue #5104: The socket module now raises OverflowError when 16-bit port and
1415 protocol numbers are supplied outside the allowed 0-65536 range on bind()
1416 and getservbyport().
1417
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00001418- Windows locale mapping updated to Vista.
1419
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001420Tools/Demos
1421-----------
1422
Antoine Pitrou8a681222009-02-07 17:13:31 +00001423- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
1424 and make it 2.6-compatible.
1425
Guilherme Poloa7d27972009-01-28 16:06:51 +00001426- Ttk demos added in Demo/tkinter/ttk/
1427
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00001428- Issue #4677: add two list comprehension tests to pybench.
1429
Georg Brandlb1441c72009-01-03 22:33:39 +00001430
1431Build
1432-----
1433
Benjamin Petersonf53eec82009-05-23 19:36:27 +00001434- Issue #6094: Build correctly with Subversion 1.7.
1435
Martin v. Löwis8482ef92009-05-05 16:14:30 +00001436- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
1437
Antoine Pitrou8966c992009-05-01 21:18:27 +00001438- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
1439 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
1440
Matthias Klose55708cc2009-04-30 08:06:49 +00001441- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00001442 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00001443
Matthias Klose906785c2009-02-22 23:18:38 +00001444- Link the shared python library with $(MODLIBS).
1445
Martin v. Löwis11f72102009-02-10 13:13:30 +00001446- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
1447
Martin v. Löwisbc186a82009-02-02 15:32:22 +00001448- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
1449
Martin v. Löwise97637d2009-01-11 09:45:11 +00001450- Issue #4895: Use _strdup on Windows CE.
1451
Georg Brandlb1441c72009-01-03 22:33:39 +00001452- Issue #4472: "configure --enable-shared" now works on OSX
1453
1454- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
1455
1456- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
1457
1458- Issue #4289: Remove Cancel button from AdvancedDlg.
1459
1460- Issue #1656675: Register a drop handler for .py* files on Windows.
1461
1462- Issue #4120: Exclude manifest from extension modules in VS2008.
1463
1464- Issue #4091: Install pythonxy.dll in system32 again.
1465
1466- Issue #4018: Disable "for me" installations on Vista.
1467
1468- Issue #3758: Add ``patchcheck`` build target to .PHONY.
1469
1470- Issue #4204: Fixed module build errors on FreeBSD 4.
1471
1472
1473C-API
1474-----
1475
Mark Dickinson21776072009-02-10 16:13:25 +00001476- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
1477 for negative arguments. Previously, it raised TypeError.
1478
Georg Brandlb1441c72009-01-03 22:33:39 +00001479- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
1480
1481- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
1482 the GIL is released, or owned by another thread.
1483
1484- Issue #4122: On Windows, fix a compilation error when using the
1485 Py_UNICODE_ISSPACE macro in an extension module.
1486
1487
Mark Dickinsone675f082008-12-11 21:56:00 +00001488Extension Modules
1489-----------------
1490
Gregory P. Smith365a1862009-02-12 07:35:29 +00001491- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
1492 supporting objects as input no matter how it was compiled (built in
1493 implementations or external openssl library).
1494
Mark Dickinson29500f62009-01-15 15:36:10 +00001495- Issue #4397: Fix occasional test_socket failure on OS X.
1496
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00001497- Issue #4279: Fix build of parsermodule under Cygwin.
1498
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00001499- Issue #4751: hashlib now releases the GIL when hashing large buffers
1500 (with a hardwired threshold of 2048 bytes), allowing better parallelization
1501 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
1502
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001503- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
1504
Antoine Pitrou31f30b12009-01-02 17:34:35 +00001505- Issue #4738: Each zlib object now has a separate lock, allowing to compress
1506 or decompress several streams at once on multi-CPU systems. Also, the GIL
1507 is now released when computing the CRC of a large buffer. Patch by ebfe.
1508
Georg Brandlb1441c72009-01-03 22:33:39 +00001509- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
1510
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00001511- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
1512
Mark Dickinsone675f082008-12-11 21:56:00 +00001513- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
1514 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00001515
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00001516- Issue #4583: array.array would not always prohibit resizing when a buffer
1517 has been exported, resulting in an interpreter crash when accessing the
1518 buffer.
1519
Martin v. Löwis841edad2008-11-30 10:36:49 +00001520
Jack Diederiche0cbd692009-04-01 04:27:09 +00001521- Issue #5228: Make functools.partial objects can now be pickled.
1522
Guilherme Polo9de29af2009-01-28 20:40:48 +00001523Tests
1524-----
1525
Antoine Pitrou88909542009-06-29 13:54:42 +00001526- Issue #6152: New option '-j'/'--multiprocess' for regrtest allows running
1527 regression tests in parallel, shortening the total runtime.
1528
Guilherme Polo2a998fa2009-06-21 17:40:07 +00001529- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
1530 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
1531 the same behaviour as test_ttkguionly (and now also test_tk) which is to
1532 skip the tests if DISPLAY is defined but can't be used.
1533
R. David Murraya21e4ca2009-03-31 23:16:50 +00001534- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001535 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00001536 from test support, which does the conversion.
1537
Guilherme Polo9de29af2009-01-28 20:40:48 +00001538- Issue #5083: New 'gui' resource for regrtest.
1539
1540
Brett Cannon7317c1e2008-11-25 19:19:17 +00001541Docs
1542----
1543
Georg Brandl52b92cc2008-05-25 09:43:03 +00001544
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001545**(For information about older versions, consult the HISTORY file.)**