blob: 6abe1e2c93e2f584db2ec2f5af368db959ebdba0 [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
Eric Smithabb28c62010-02-23 00:22:24 +000015=======
16- Issue #6902: Fix problem with built-in types format incorrectly with
17 0 padding.
18
Eric Smith4e260c52010-02-22 18:54:44 +000019- Issue #7988: Fix default alignment to be right aligned for
20 complex.__format__. Now it matches other numeric types.
21
Eric Smith68af50b2010-02-22 14:58:30 +000022- Issue #5988: Remove deprecated functions PyOS_ascii_formatd,
23 PyOS_ascii_strtod, and PyOS_ascii_atof. Use PyOS_double_to_string
24 and PyOS_string_to_double instead. See issue #5835 for the original
25 deprecations.
26
Antoine Pitrou05b7c562010-02-02 22:47:00 +000027- Issue #7385: Fix a crash in `MemoryView_FromObject` when
28 `PyObject_GetBuffer` fails. Patch by Florent Xicluna.
29
Mark Dickinsonbc099642010-01-29 17:27:24 +000030- Issue #7788: Fix an interpreter crash produced by deleting a list
31 slice with very large step value.
32
Eric Smithf7bb5782010-01-27 00:44:57 +000033- Issue #7766: Change sys.getwindowsversion() return value to a named
34 tuple and add the additional members returned in an OSVERSIONINFOEX
35 structure. The new members are service_pack_major, service_pack_minor,
36 suite_mask, and product_type.
37
Antoine Pitroufc8d6f42010-01-17 12:38:54 +000038- Issue #7561: Operations on empty bytearrays (such as `int(bytearray())`)
39 could crash in many places because of the PyByteArray_AS_STRING() macro
40 returning NULL. The macro now returns a statically allocated empty
41 string instead.
42
Antoine Pitroub7fbcd32010-01-16 18:37:38 +000043- Issue #6690: Optimize the bytecode for expressions such as `x in {1, 2, 3}`,
44 where the right hand operand is a set of constants, by turning the set into
45 a frozenset and pre-building it as a constant. The comparison operation
46 is made against the constant instead of building a new set each time it is
47 executed (a similar optimization already existed which turned a list of
48 constants into a pre-built tuple). Patch and additional tests by Dave
49 Malcolm.
50
Antoine Pitrouf2c54842010-01-13 08:07:53 +000051- Issue #7622: Improve the split(), rsplit(), splitlines() and replace()
52 methods of bytes, bytearray and unicode objects by using a common
53 implementation based on stringlib's fast search. Patch by Florent Xicluna.
54
Mark Dickinson45b63652010-01-16 18:10:25 +000055- Issue #7632: Fix various str -> float conversion bugs present in 2.7
56 alpha 2, including: (1) a serious 'wrong output' bug that could
57 occur for long (> 40 digit) input strings, (2) a crash in dtoa.c
58 that occurred in debug builds when parsing certain long numeric
Mark Dickinsonc4f18682010-01-17 14:39:12 +000059 strings corresponding to subnormal values, (3) a memory leak for
60 some values large enough to cause overflow, and (4) a number of
61 flaws that could lead to incorrectly rounded results.
Mark Dickinson81612e82010-01-12 23:04:19 +000062
Benjamin Petersonaea44282010-01-04 01:10:28 +000063- The __complex__ method is now looked up on the class of instances to make it
64 consistent with other special methods.
65
Antoine Pitrouda2ecaf2010-01-02 21:40:36 +000066- Issue #7462: Implement the stringlib fast search algorithm for the `rfind`,
67 `rindex`, `rsplit` and `rpartition` methods. Patch by Florent Xicluna.
68
Benjamin Petersond12362a2009-12-30 19:44:54 +000069- Issue #7604: Deleting an unset slotted attribute did not raise an
70 AttributeError.
71
Mark Dickinson9ab44b52009-12-30 16:22:49 +000072- Issue #7534: Fix handling of IEEE specials (infinities, nans,
73 negative zero) in ** operator. The behaviour now conforms to that
74 described in C99 Annex F.
75
Mark Dickinsoncbb62742009-12-27 15:09:50 +000076- Issue #1811: improve accuracy and cross-platform consistency for
77 true division of integers: the result of a/b is now correctly
78 rounded for ints a and b (at least on IEEE 754 platforms), and in
79 particular does not depend on the internal representation of an int.
80
Ronald Oussoren6f6c5622009-12-24 14:03:19 +000081- Issue #6834: replace the implementation for the 'python' and 'pythonw'
82 executables on OSX.
83
84 These executables now work properly with the arch(1) command:
85 ``arch -ppc python`` will start a universal binary version of python
86 in PPC mode (unlike previous releases).
87
Antoine Pitrou6b7dfc92009-12-12 19:18:27 +000088- Issue #7466: segmentation fault when the garbage collector is called
89 in the middle of populating a tuple. Patch by Florent Xicluna.
90
Amaury Forgeot d'Arc64f3ca42009-12-01 21:59:18 +000091- Issue #7419: setlocale() could crash the interpreter on Windows when called
92 with invalid values.
93
Amaury Forgeot d'Arc7d0bddd2009-11-30 00:08:56 +000094- Issue #6077: On Windows, files opened with tempfile.TemporaryFile in "wt+"
95 mode would appear truncated on the first '0x1a' byte (aka. Ctrl+Z).
96
Ronald Oussoren3c1928a2009-11-19 17:15:31 +000097- Issue #7085: Fix crash when importing some extensions in a thread
98 on MacOSX 10.6.
99
Philip Jenvey1309adb2009-11-17 03:43:14 +0000100- Issue #1757126: Fix the cyrillic-asian alias for the ptcp154 encoding.
101
Mark Dickinson6f1d0492009-11-15 13:58:49 +0000102- Issue #6970: Remove redundant calls when comparing objects that don't
103 implement the relevant rich comparison methods.
104
Mark Dickinsond550c9a2009-11-15 09:57:26 +0000105- Issue #7298: fixes for range and reversed(range(...)). Iteration
106 over range(a, b, c) incorrectly gave an empty iterator when a, b and
107 c fit in C long but the length of the range did not. Also fix
108 several cases where reversed(range(a, b, c)) gave wrong results, and
109 fix a refleak for reversed(range(a, b, c)) with large arguments.
110
Raymond Hettingerfc438512009-11-01 20:55:33 +0000111- Issue #7244: itertools.izip_longest() no longer ignores exceptions
112 raised during the formation of an output tuple.
113
Benjamin Petersonb2e796a2009-10-28 21:59:39 +0000114- Issue #3297: On wide unicode builds, do not split unicode characters into
115 surrogates.
116
Mark Dickinsonf9724882009-10-26 21:51:18 +0000117- Remove length limitation when constructing a complex number from a string.
118
Mark Dickinson27a87a22009-10-25 20:43:34 +0000119- Issue #1087418: Boost performance of bitwise operations for longs.
120
Antoine Pitroub6ef9632009-10-24 20:47:05 +0000121- Support for AtheOS has been completely removed from the code base. It was
122 disabled since Python 3.0.
123
124- Support for several legacy threading libraries has been disabled. These
125 libraries are: Mach C threads, SunOS LWP, GNU pth, Irix threads. Support code
126 will be entirely removed in 3.3.
127
Raymond Hettingeraf7adad2009-10-22 11:22:50 +0000128- Peephole constant folding had missed UNARY_POSITIVE.
129
Antoine Pitrou011bd622009-10-20 21:52:47 +0000130- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
131 fixes the problem of some exceptions being thrown at shutdown when the
132 interpreter is killed. Patch by Adam Olsen.
133
Antoine Pitrou671141d2009-10-19 19:37:25 +0000134- Issue #7147: Remove support for compiling Python without complex number
Skip Montanaroba1e0f42009-10-18 14:25:35 +0000135 support.
136
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000137- Issue #7120: logging: Removed import of multiprocessing which is causing
138 crash in GAE.
139
Neil Schemenauere441cb72009-10-14 19:14:38 +0000140- Issue #1754094: Improve the stack depth calculation in the compiler.
141 There should be no other effect than a small decrease in memory use.
142 Patch by Christopher Tur Lesniewski-Laas.
143
Antoine Pitrou403ce782009-10-14 17:14:16 +0000144- Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when
Antoine Pitrou671141d2009-10-19 19:37:25 +0000145 using byte values greater than 127. Patch by Derk Drukker.
Antoine Pitrou403ce782009-10-14 17:14:16 +0000146
Amaury Forgeot d'Arc7d520792009-10-06 21:03:20 +0000147- Issue #1571184: The Unicode database contains properties for more characters.
148 The tables for code points representing numeric values, white spaces or line
149 breaks are now generated from the official Unicode Character Database files,
150 and include information from the Unihan.txt file.
151
Mark Dickinson2683ab02009-09-29 19:21:35 +0000152- Issue #7019: Raise ValueError when unmarshalling bad long data, instead
153 of producing internally inconsistent Python longs.
154
Philip Jenvey26713ca2009-09-29 04:57:18 +0000155- Issue #6990: Fix threading.local subclasses leaving old state around
156 after a reference cycle GC which could be recycled by new locals.
157
Benjamin Peterson4905e802009-09-27 02:43:28 +0000158- Issue #5460: Fix an ambiguity in the grammar.
159
Mark Dickinson3e124ae2009-09-22 21:47:24 +0000160- Issue #1766304: Improve performance of membership tests on range objects.
161
Mark Dickinson0a1efd02009-09-16 21:23:34 +0000162- Issue #6713: Improve performance of integer -> string conversions.
163
Mark Dickinson54a3db92009-09-06 10:19:23 +0000164- Issue #6846: Fix bug where bytearray.pop() returns negative integers.
165
Amaury Forgeot d'Arcccd686a2009-08-29 23:00:38 +0000166- Issue #6750: A text file opened with io.open() could duplicate its output
167 when writing from multiple threads at the same time.
168
Benjamin Peterson14327712009-08-15 13:23:05 +0000169- Issue #6707: dir() on an uninitialized module caused a crash.
170
Georg Brandl953152f2009-07-22 12:03:59 +0000171- Issue #6540: Fixed crash for bytearray.translate() with invalid parameters.
172
Raymond Hettingere805ecc2009-07-27 20:16:37 +0000173- Issue #6573: set.union() stopped processing inputs if an instance of self
174 occurred in the argument chain.
175
R. David Murray046f7232009-07-19 02:22:05 +0000176- Issue #6070: On posix platforms import no longer copies the execute bit
177 from the .py file to the .pyc file if it is set.
178
Amaury Forgeot d'Arc8b84ea02009-07-13 20:38:21 +0000179- Issue #1616979: Added the cp720 (Arabic DOS) encoding.
180
Amaury Forgeot d'Arc097cd072009-07-07 00:43:08 +0000181- Issue #6428: Since Python 3.0, the __bool__ method must return a bool
182 object, and not an int. Fix the corresponding error message, and the
183 documentation.
184
Benjamin Petersonf1664ae2009-07-01 01:28:55 +0000185- The deprecated PyCObject has been removed.
186
Mark Dickinson835a6c82009-06-30 15:45:17 +0000187- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
188 This fixes a build failure on HP-UX: int32_t and uint32_t are
189 defined in inttypes.h instead of stdint.h on that platform.
190
Amaury Forgeot d'Arca4aba662009-07-01 00:48:39 +0000191- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and
Amaury Forgeot d'Arc84ec8d92009-06-29 22:36:49 +0000192 the 'surrogateescape' error handler, a string which contains unpaired
193 surrogates.
194
Hirokazu Yamamoto892a37a2009-06-28 11:07:03 +0000195- Issue #4856: Remove checks for win NT.
196
Alexandre Vassalottieb6f8de2009-12-31 03:56:09 +0000197- Issue #6687: PyBytes_FromObject() no longer accepts an integer as its
198 argument to construct a null-initialized bytes object.
199
Alexandre Vassalottic36c3782010-01-09 20:35:09 +0000200- Issue #1023290: Add from_bytes() and to_bytes() methods to integers.
201 These methods allow the conversion of integers to bytes, and vice-versa.
202
Alexandre Vassalotti41f58a72010-01-12 01:23:09 +0000203- Issue #7382: Fix bug in bytes.__getnewargs__ that prevented bytes
204 instances from being copied with copy.copy(), and bytes subclasses
205 from being pickled properly.
206
Benjamin Peterson466a7822009-07-02 21:44:01 +0000207C-API
208-----
209
Mark Dickinson93f562c2010-01-30 10:30:15 +0000210- Issue #7767: New function PyLong_AsLongLongAndOverflow added,
211 analogous to PyLong_AsLongAndOverflow.
212
Benjamin Peterson8667a9b2010-01-09 21:45:28 +0000213- Make PyUnicode_CompareWithASCIIString return not equal if the Python string
214 has '\0' at the end.
215
Mark Dickinsonde604012010-01-01 19:27:32 +0000216- Issue #5080: The argument parsing functions PyArg_ParseTuple,
217 PyArg_ParseTupleAndKeywords, PyArg_VaParse,
218 PyArg_VaParseTupleAndKeywords and PyArg_Parse now raise a
219 DeprecationWarning for float arguments passed with the 'L' format
220 code. This will become a TypeError in a future version of Python,
221 to match the behaviour of the other integer format codes.
222
Georg Brandl1e28a272009-12-28 08:41:01 +0000223- Issue #7033: function ``PyErr_NewExceptionWithDoc()`` added.
224
Mark Dickinsonf08173b2009-12-03 10:59:46 +0000225- Issue #7414: 'C' code wasn't being skipped properly (for keyword arguments)
226 in PyArg_ParseTupleAndKeywords.
227
Mark Dickinson0b2b2322009-12-04 11:32:26 +0000228- Issue #7228: Add '%lld' and '%llu' support to PyString_FromFormat(V)
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +0000229 and PyErr_Format, on machines with HAVE_LONG_LONG defined.
230
Alexandre Vassalotti2db046d2009-07-22 03:56:36 +0000231- Issue #6151: Made PyDescr_COMMON conform to standard C (like PyObject_HEAD
232 in PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be
233 should used for accessing the d_type and d_name members of structures
234 using PyDescr_COMMON.
235
236- Issue #6405: Remove duplicate type declarations in descrobject.h.
Benjamin Peterson89b89172009-07-03 13:30:25 +0000237
Benjamin Peterson466a7822009-07-02 21:44:01 +0000238- The code flags for old __future__ features are now available again.
239
Alexandre Vassalotti7b82b402009-07-21 04:30:03 +0000240- Issue #5954: Add a PyFrame_GetLineNumber() function to replace most uses of
241 PyCode_Addr2Line().
242
243- Issue #5959: Add a PyCode_NewEmpty() function to create a new empty code
244 object at a specified file, function, and line number.
245
246- Issue #1419652: Change the first argument to PyImport_AppendInittab() to
247 ``const char *`` as the string is stored beyond the call.
248
Benjamin Peterson05159c42009-12-03 03:01:27 +0000249- Issue #2422: When compiled with the ``--with-valgrind`` option, the
250 pymalloc allocator will be automatically disabled when running under
251 Valgrind. This gives improved memory leak detection when running
252 under Valgrind, while taking advantage of pymalloc at other times.
253
Benjamin Peterson46ea4f72009-06-27 21:40:27 +0000254Library
255-------
256
Thomas Heller5117b0b2010-02-23 20:25:02 +0000257- Issue #7959: ctypes callback functions are now registered correctly
258 with the cylce garbage collector.
259
Tarek Ziadé8e615ae2010-02-23 06:00:04 +0000260- Issue #5801: removed spurious empty lines in wsgiref.
261
Andrew M. Kuchlinge1f9beb2010-02-22 22:16:58 +0000262- Issue #6666: fix bug in trace.py that applied the list of directories
263 to be ignored only to the first file. Noted by Bogdan Opanchuk.
264
Andrew M. Kuchlingfbacb062010-02-22 16:52:52 +0000265- Issue #7597: curses.use_env() can now be called before initscr().
266 Noted by Kan-Ru Chen.
267
Ezio Melotti19e4acf2010-02-22 15:59:01 +0000268- Issue #7310: fix the __repr__ of os.environ to show the environment variables.
269
R. David Murray57c45ac2010-02-21 04:39:40 +0000270- Issue #7970: email.Generator.flatten now correctly flattens message/rfc822
271 messages parsed by email.Parser.HeaderParser.
272
Brett Cannonef7d6722010-02-19 16:04:36 +0000273- Issue #7361: Importlib was not properly checking the number of bytes in
274 bytecode file when it was less then 8 bytes.
275
Mark Dickinson84230a12010-02-18 14:49:50 +0000276- Issue #7633: In the decimal module, Context class methods (with the
277 exception of canonical and is_canonical) now accept instances of int
278 and long wherever a Decimal instance is accepted, and implicitly
279 convert that argument to Decimal. Previously only some arguments
280 were converted.
281
R. David Murray1f449142010-02-11 00:15:05 +0000282- Issue #7835: shelve should no longer produce mysterious warnings during
283 interpreter shutdown.
284
Antoine Pitrou99f69ee2010-02-09 17:25:47 +0000285- Issue #2746: Don't escape ampersands and angle brackets ("&", "<", ">")
286 in XML processing instructions and comments. These raw characters are
287 allowed by the XML specification, and are necessary when outputting e.g.
288 PHP code in a processing instruction. Patch by Neil Muller.
289
Antoine Pitrouc77dd322010-02-09 16:51:16 +0000290- Issue #6233: ElementTree failed converting unicode characters to XML
291 entities when they could't be represented in the requested output
292 encoding. Patch by Jerry Chen.
293
Ronald Oussorenee5c8852010-02-07 20:24:02 +0000294- Issue #6003: add an argument to ``zipfile.Zipfile.writestr`` to
295 specify the compression type.
296
Antoine Pitroub6375f12010-02-04 20:23:24 +0000297- Issue #4772: Raise a ValueError when an unknown Bluetooth protocol is
298 specified, rather than fall through to AF_PACKET (in the `socket` module).
299 Also, raise ValueError rather than TypeError when an unknown TIPC address
300 type is specified. Patch by Brian Curtin.
301
Antoine Pitrou905a2ff2010-01-31 22:47:27 +0000302- Issue #6939: Fix file I/O objects in the `io` module to keep the original
303 file position when calling `truncate()`. It would previously change the
304 file position to the given argument, which goes against the tradition of
305 ftruncate() and other truncation APIs. Patch by Pascal Chambon.
306
Antoine Pitroua32f9a22010-01-27 21:18:57 +0000307- Issue #7610: Reworked implementation of the internal
308 :class:`zipfile.ZipExtFile` class used to represent files stored inside
309 an archive. The new implementation is significantly faster and can
310 be wrapped in a :class:`io.BufferedReader` object for more speedups.
311 It also solves an issue where interleaved calls to `read()` and
312 `readline()` give wrong results. Patch by Nir Aides.
313
Jesse Noller1f0b6582010-01-27 03:36:01 +0000314- Issue #6963: Added "maxtasksperchild" argument to multiprocessing.Pool,
315 allowing for a maximum number of tasks within the pool to be completed by
316 the worker before that worker is terminated, and a new one created to
317 replace it.
318
Benjamin Petersond6326642010-01-27 02:25:58 +0000319- Issue #7792: Registering non-classes to ABCs raised an obscure error.
320
Benjamin Peterson9a11a362010-01-27 01:51:29 +0000321- Issue #7785: Don't accept bytes in FileIO.write().
Benjamin Peterson255058f2010-01-27 01:47:14 +0000322
Ezio Melotti38f00332010-01-25 12:39:47 +0000323- Removed the functions 'verify' and 'vereq' from Lib/test/support.py.
324
Benjamin Peterson25001472010-01-25 03:37:42 +0000325- Issue #7773: Fix an UnboundLocalError in platform.linux_distribution() when
326 the release file is empty.
327
Antoine Pitrou1119a642010-01-17 12:16:23 +0000328- Issue #7561: Fix crashes when using bytearray objects with the posix
329 module.
330
R. David Murraya8f480f2010-01-16 18:30:03 +0000331- Issue #1670765: Prevent email.generator.Generator from re-wrapping
332 headers in multipart/signed MIME parts, which fixes one of the sources of
333 invalid modifications to such parts by Generator.
334
Antoine Pitrou747e8b32010-01-16 17:55:52 +0000335- Issue #7703: Add support for the new buffer API to `binascii.a2bhqx`.
336 Patch by Florent Xicluna, along with some additional tests.
337
Antoine Pitrou2843aa82010-01-15 00:27:43 +0000338- Issue #7701: Fix crash in binascii.b2a_uu() in debug mode when given a
339 1-byte argument. Patch by Victor Stinner.
340
Antoine Pitrou82feb1f2010-01-14 17:34:48 +0000341- Issue #3299: Fix possible crash in the _sre module when given bad
342 argument values in debug mode. Patch by Victor Stinner.
343
Antoine Pitrou8e33fd72010-01-13 14:37:26 +0000344- Issue #2846: Add support for gzip.GzipFile reading zero-padded files.
345 Patch by Brian Curtin.
346
Benjamin Peterson5efea042010-01-13 03:49:50 +0000347- Issue #7681: Use floor division in appropiate places in the wave module.
348
Tarek Ziadéac4e6ea2010-01-11 23:15:52 +0000349- Issue #5372: Drop the reuse of .o files in Distutils' ccompiler (since
350 Extension extra options may change the output without changing the .c
351 file). Initial patch by Collin Winter.
352
Tarek Ziadéaf77a2f2010-01-08 23:57:53 +0000353- Issue #7617: Make sure distutils.unixccompiler.UnixCCompiler recognizes
354 gcc when it has a fully qualified configuration prefix. Initial patch
355 by Arfrever.
356
Antoine Pitrouc1baa602010-01-08 17:54:23 +0000357- Issue #7105: Make WeakKeyDictionary and WeakValueDictionary robust against
358 the destruction of weakref'ed objects while iterating.
359
Antoine Pitrou01a15ea2010-01-07 17:57:31 +0000360- Issue #7455: Fix possible crash in cPickle on invalid input. Patch by
361 Victor Stinner.
362
Gregory P. Smithaafdca82010-01-04 04:50:36 +0000363- Issue #1628205: Socket file objects returned by socket.socket.makefile() now
364 properly handles EINTR within the read, readline, write & flush methods.
365 The socket.sendall() method now properly handles interrupted system calls.
366
Antoine Pitroub1f88352010-01-03 22:37:40 +0000367- Issue #7471: Improve the performance of GzipFile's buffering mechanism,
368 and make it implement the `io.BufferedIOBase` ABC to allow for further
369 speedups by wrapping it in an `io.BufferedReader`. Patch by Nir Aides.
370
371- Issue #3972: http.client.HTTPConnection now accepts an optional source_address
Gregory P. Smithb4066372010-01-03 03:28:29 +0000372 parameter to allow specifying where your connections come from.
373
374- socket.create_connection now accepts an optional source_address parameter.
375
Ezio Melottifaa6b7f2009-12-30 12:34:59 +0000376- Issue #5511: now zipfile.ZipFile can be used as a context manager.
377 Initial patch by Brian Curtin.
378
Tarek Ziadéc60ea322009-12-21 23:12:41 +0000379- Issue #7556: Make sure Distutils' msvc9compile reads and writes the
380 MSVC XML Manifest file in text mode so string patterns can be used
381 in regular expressions.
382
Tarek Ziadé8b9361a2009-12-21 00:02:20 +0000383- Issue #7552: Removed line feed in the base64 Authorization header in
384 the Distutils upload command to avoid an error when PyPI reads it.
385 This occurs on long passwords. Initial patch by JP St. Pierre.
386
Senthil Kumaran47fff872009-12-20 07:10:31 +0000387- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
388 Tatsuhiro Tsujikawa.
389
Antoine Pitrou77b338b2009-12-14 18:00:06 +0000390- Issue #4757: `zlib.compress` and other methods in the zlib module now
391 raise a TypeError when given an `str` object (rather than a `bytes`-like
392 object). Patch by Victor Stinner and Florent Xicluna.
393
Benjamin Petersonbf5ff762009-12-13 19:25:34 +0000394- Issue #7349: Make methods of file objects in the io module accept None as an
395 argument where file-like objects (ie StringIO and BytesIO) accept them to mean
396 the same as passing no argument.
397
Lars Gustäbel365aff32009-12-13 11:42:29 +0000398- Issue #7357: tarfile no longer suppresses fatal extraction errors by
399 default.
400
R. David Murraye8dc2582009-12-10 02:08:06 +0000401- Issue #5949: added check for correct lineends in input from IMAP server
402 in imaplib.
403
Raymond Hettingere5fdedb2009-12-10 00:47:21 +0000404- Add a reverse() method to collections.deque().
405
Raymond Hettinger3f9afd82009-12-10 03:03:02 +0000406- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
407
Antoine Pitrou781eba72009-12-08 15:57:31 +0000408- Issue #6986: Fix crash in the JSON C accelerator when called with the
409 wrong parameter types. Patch by Victor Stinner.
410
Tarek Ziadéb88a4962009-12-08 09:45:25 +0000411- Issue #7457: added a read_pkg_file method to
412 distutils.dist.DistributionMetadata.
413
Vinay Sajip540f2152009-12-06 17:57:11 +0000414- logging: Added optional `secure` parameter to SMTPHandler, to enable use of
415 TLS with authentication credentials.
416
Tarek Ziadédf872d42009-12-06 09:28:17 +0000417- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is
418 generated in Distutils. Patch by Stephen Emslie.
419
Martin v. Löwis1679ea82009-12-03 20:57:49 +0000420- Issue #4120: Drop reference to CRT from manifest when building extensions with
421 msvc9compiler.
422
Antoine Pitroub7572f02009-12-02 20:46:48 +0000423- Issue #7333: The `posix` module gains an `initgroups()` function providing
424 access to the initgroups(3) C library call on Unix systems which implement
425 it. Patch by Jean-Paul Calderone.
426
Tarek Ziadéacafc2d2009-11-29 22:24:57 +0000427- Issue #7408: Fixed distutils.tests.sdist so it doesn't check for group
428 ownership when the group is not forced, because the group may be different
429 from the user's group and inherit from its container when the test is run.
430
Antoine Pitrou7b0d4a22009-11-28 16:12:28 +0000431- Issue #4486: When an exception has an explicit cause, do not print its
432 implicit context too. This affects the `traceback` module as well as
433 built-in exception printing.
434
Antoine Pitrou1fc0d2b2009-11-28 15:58:27 +0000435- Issue #1515: Enable use of deepcopy() with instance methods. Patch by
436 Robert Collins.
437
Vinay Sajip03f6c112009-11-27 14:03:36 +0000438- Issue #7403: logging: Fixed possible race condition in lock creation.
439
Antoine Pitrou648bcd72009-11-27 13:23:26 +0000440- Issue #6845: Add restart support for binary upload in ftplib. The
441 `storbinary()` method of FTP and FTP_TLS objects gains an optional `rest`
442 argument. Patch by Pablo Mouzo.
443
Antoine Pitroube6859d2009-11-25 23:02:32 +0000444- Issue #5788: `datetime.timedelta` objects get a new `total_seconds()`
445 method returning the total number of seconds in the duration. Patch by
446 Brian Quinlan.
447
Antoine Pitrou7d7aede2009-11-25 18:55:32 +0000448- Issue #7133: SSL objects now support the new buffer API.
449
Senthil Kumaran758025c2009-11-23 19:02:52 +0000450- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters
451
Lars Gustäbel9520a432009-11-22 18:48:49 +0000452- Issue #6123: tarfile now opens empty archives correctly and consistently
453 raises ReadError on empty files.
454
Tarek Ziadé26afd482009-11-19 05:39:00 +0000455- Issue #7354: distutils.tests.test_msvc9compiler - dragfullwindows can
456 be 2.
457
Benjamin Peterson3ec9b6e2009-11-19 21:22:27 +0000458- Issue #5037: Proxy the __bytes__ special method instead to __bytes__ instead
459 of __str__.
Benjamin Peterson32019772009-11-19 03:08:32 +0000460
Lars Gustäbel7b465392009-11-18 20:29:25 +0000461- Issue #7341: Close the internal file object in the TarFile constructor in
462 case of an error.
463
Tarek Ziadé11c9d252009-11-18 09:32:34 +0000464- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
465 Windows box. Help provided by David Bolen.
466
Antoine Pitrouf988cd02009-11-17 20:21:14 +0000467- Issue #2054: ftplib now provides an FTP_TLS class to do secure FTP using
468 TLS or SSL. Patch by Giampaolo Rodola'.
469
Nick Coghlan106274b2009-11-15 23:04:33 +0000470- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch
471
Antoine Pitroub8108e22009-11-15 14:25:16 +0000472- Issue #4969: The mimetypes module now reads the MIME database from
473 the registry under Windows. Patch by Gabriel Genellina.
474
Nick Coghlan260bd3e2009-11-16 06:49:25 +0000475- Issue #6816: runpy now provides a run_path function that allows Python code
476 to execute file paths that refer to source or compiled Python files as well
477 as zipfiles, directories and other valid sys.path entries that contain a
478 __main__.py file. This allows applications that run other Python scripts to
479 support the same flexibility as the CPython command line itself.
480
Antoine Pitrou45d61a32009-11-13 22:35:18 +0000481- Issue #7318: multiprocessing now uses a timeout when it fails to establish
482 a connection with another process, rather than looping endlessly. The
483 default timeout is 20 seconds, which should be amply sufficient for
484 local connections.
485
Antoine Pitrouc63ecee2009-11-10 21:34:48 +0000486- Issue #7197: Allow unittest.TextTestRunner objects to be pickled and
487 unpickled. This fixes crashes under Windows when trying to run
488 test_multiprocessing in verbose mode.
489
Michael Foord34c94622010-02-10 15:51:42 +0000490- Issue #7893: ``unittest.TextTestResult`` is made public and a ``resultclass``
491 argument added to the TextTestRunner constructor allowing a different result
492 class to be used without having to subclass.
493
494- Issue 7588: ``unittest.TextTestResult.getDescription`` now includes the test
495 name in failure reports even if the test has a docstring.
496
Antoine Pitrou434736a2009-11-10 18:46:01 +0000497- Issue #3001: Add a C implementation of recursive locks which is used by
498 default when instantiating a `threading.RLock` object. This makes
499 recursive locks as fast as regular non-recursive locks (previously,
500 they were slower by 10x to 15x).
501
Antoine Pitroub0872682009-11-09 16:08:16 +0000502- Issue #7282: Fix a memory leak when an RLock was used in a thread other
503 than those started through `threading.Thread` (for example, using
504 `_thread.start_new_thread()`).
505
Brett Cannone52c9192009-11-07 23:55:05 +0000506- Issue #7187: Importlib would not silence the IOError raised when trying to
507 write new bytecode when it was made read-only.
508
Antoine Pitroubdec11f2009-11-05 13:49:14 +0000509- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
510 which are part of a reference cycle.
511
Antoine Pitroud83f1e62009-11-04 21:10:38 +0000512- Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
513 objects on 64-bit systems. Patch by Michael Broghton.
514
Antoine Pitrou03f13442009-11-02 11:36:51 +0000515- Issue #6896: mailbox.Maildir now invalidates its internal cache each time
516 a modification is done through it. This fixes inconsistencies and test
517 failures on systems with slightly bogus mtime behaviour.
518
Gregory P. Smith50467882009-11-01 18:42:17 +0000519- Issue #7246 & Issue #7208: getpass now properly flushes input before
520 reading from stdin so that existing input does not confuse it and
521 lead to incorrect entry or an IOError. It also properly flushes it
522 afterwards to avoid the terminal echoing the input afterwards on
523 OSes such as Solaris.
524
Mark Dickinsona2d1fe02009-10-29 12:23:02 +0000525- Issue #7233: Fix a number of two-argument Decimal methods to make
526 sure that they accept an int or long as the second argument. Also
527 fix buggy handling of large arguments (those with coefficient longer
528 than the current precision) in shift and rotate.
529
Lars Gustäbel1440df22009-10-29 09:39:47 +0000530- Issue #4750: Store the basename of the original filename in the gzip FNAME
531 header as required by RFC 1952.
532
Tarek Ziadéc7c71ff2009-10-27 23:12:01 +0000533- Issue #1180: Added a new global option to ignore ~/.pydistutils.cfg in
534 Distutils.
535
Tarek Ziadé8c0e2172009-10-27 21:24:21 +0000536- Issue #7218: Fix test_site for win32, the directory comparison was done with
537 an uppercase.
538
Antoine Pitrouc66363f2009-10-27 17:47:14 +0000539- Issue #7205: Fix a possible deadlock when using a BZ2File object from
540 several threads at once.
541
Vinay Sajip42ead482009-10-21 20:22:14 +0000542- Issue #7077: logging: SysLogHandler now treats Unicode as per RFC 5424.
543
Mark Dickinson06bb6742009-10-20 13:38:04 +0000544- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
545 larger than emax.
546
Antoine Pitrou6a448d42009-10-19 19:43:09 +0000547- Issue #7080: locale.strxfrm() raises a MemoryError on 64-bit non-Windows
548 platforms, and assorted locale fixes by Derk Drukker.
549
Antoine Pitroudc0900b2009-10-19 18:22:37 +0000550- Issue #5833: Fix extra space character in readline completion with the
551 GNU readline library version 6.0.
552
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000553- Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment
Senthil Kumaran7bb04972009-10-11 04:58:55 +0000554
Vinay Sajipcbabd7e2009-10-10 20:32:36 +0000555- Issue #7086: Added TCP support to SysLogHandler, and tidied up some
556 anachronisms in the code which were a relic of 1.5.2 compatibility.
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000557
R. David Murraybf2e0aa2009-10-10 00:13:32 +0000558- Issue #7082: When falling back to the MIME 'name' parameter, the
559 correct place to look for it is the Content-Type header.
560
Benjamin Petersond3afada2009-10-09 21:43:09 +0000561- Make tokenize.detect_coding() normalize utf-8 and iso-8859-1 variants like the
562 builtin tokenizer.
563
Mark Dickinson56df8872009-10-07 19:23:50 +0000564- Issue #7048: Force Decimal.logb to round its result when that result
565 is too large to fit in the current precision.
566
Antoine Pitrouca767bd2009-09-21 21:37:02 +0000567- Issue #6236, #6348: Fix various failures in the I/O library under AIX
Antoine Pitrou6a448d42009-10-19 19:43:09 +0000568 and other platforms, when using a non-gcc compiler. Patch by Derk Drukker.
Antoine Pitrouca767bd2009-09-21 21:37:02 +0000569
Thomas Heller69b639f2009-09-18 20:08:39 +0000570- Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...)
571 does now always result in NULL.
572
Thomas Hellerd7cb1b92009-09-18 19:05:13 +0000573- Issue #5042: Structure sub-subclass does now initialize correctly
574 with base class positional arguments.
575
Eric Smith81fd8042009-09-18 13:23:13 +0000576- Issue #6882: Import uuid creates zombies processes.
577
Matthias Klosef6b76b02009-09-13 15:18:53 +0000578- Issue #6635: Fix profiler printing usage message.
579
Lars Gustäbel049d2aa2009-09-12 10:44:00 +0000580- Issue #6856: Add a filter keyword argument to TarFile.add().
581
Benjamin Petersonbe74a372009-09-11 21:17:13 +0000582- Issue #6888: pdb's alias command was broken when no arguments were given.
583
Mark Dickinson46ab5d02009-09-08 20:22:46 +0000584- Issue #6857: Default format() alignment should be '>' for Decimal
585 instances.
586
Mark Dickinson825fce32009-09-07 18:08:12 +0000587- Issue #6795: int(Decimal('nan')) now raises ValueError instead of
588 returning NaN or raising InvalidContext. Also, fix infinite recursion
589 in long(Decimal('nan')).
590
Mark Dickinson7718d2b2009-09-07 16:21:56 +0000591- Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
592 with no type specifier.
593
Thomas Heller8b939522009-09-04 18:24:41 +0000594- Issue #6239: ctypes.c_char_p return value must return bytes.
595
Chris Withers9c33cbf2009-09-04 17:04:16 +0000596- Issue #6838: Use a list to accumulate the value instead of
597 repeatedly concatenating strings in http.client's
598 HTTPResponse._read_chunked providing a significant speed increase
599 when downloading large files servend with a Transfer-Encoding of 'chunked'.
600
Brett Cannon1c1dcbf2009-08-30 20:22:21 +0000601- Trying to import a submodule from a module that is not a package, ImportError
602 should be raised, not AttributeError.
603
Brett Cannonde4ebfe2009-08-30 19:53:48 +0000604- When the globals past to importlib.__import__() has __package__ set to None,
605 fall back to computing what __package__ should be instead of giving up.
606
Brett Cannon6afbaef2009-08-30 19:08:58 +0000607- Raise a TypeError when the name of a module to be imported for
608 importlib.__import__ is not a string (was raising an
609 AttributeError before).
610
Brett Cannon9e0e1a62009-08-30 18:28:46 +0000611- Allow the fromlist passed into importlib.__import__ to be any iterable.
612
Brett Cannon4d75fc12009-08-30 03:47:36 +0000613- Have importlib raise ImportError if None is found in sys.modules.
614
Lars Gustäbelbfdfdda2009-08-28 19:59:59 +0000615- Issue #6054: Do not normalize stored pathnames in tarfile.
616
Mark Dickinsond314e1b2009-08-28 13:39:53 +0000617- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
618 payloads are now ordered by integer value rather than lexicographically.
619
Guilherme Polobcd03df2009-08-18 15:35:57 +0000620- Issue #1356969: Add missing info methods in tix.HList.
621
622- Issue #1522587: New constants and methods for the tix.Grid widget.
623
624- Issue #1250469: Fix the return value of tix.PanedWindow.panes.
625
626- Issue #1119673: Do not override tkinter.Text methods when creating a
627 ScrolledText.
628
Gregory P. Smith01099702009-08-16 18:58:46 +0000629- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
630
Guilherme Poloc3b2ae42009-08-16 14:46:16 +0000631- Issue #1135: Add the XView and YView mix-ins to avoid duplicating
632 the xview* and yview* methods.
633
Antoine Pitroua0ceb732009-08-06 20:29:56 +0000634- Issue #6629: Fix a data corruption issue in the new I/O library, which could
635 occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
636 "wb+" mode) after having buffered a certain amount of data for reading. This
637 bug was not present in the pure Python implementation.
638
Mark Dickinsonea1158f2009-08-06 16:06:25 +0000639- Issue #6622: Fix "local variable 'secret' referenced before
640 assignment" bug in POP3.apop.
641
Mark Dickinson45f799f2009-08-02 20:08:54 +0000642- Issue #2715: Remove remnants of Carbon.File from binhex module.
643
Mark Dickinson345adc42009-08-02 10:14:23 +0000644- Issue #6595: The Decimal constructor now allows arbitrary Unicode
645 decimal digits in input, as recommended by the standard. Previously
646 it was restricted to accepting [0-9].
647
Jack Diederich36596a32009-07-26 22:23:04 +0000648- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
649 DO/DONT correctly.
650
Senthil Kumaran67305382009-07-26 04:46:00 +0000651- Issue #1424152: Fix for http.client, urllib.request to support SSL while
652 working through proxy. Original patch by Christopher Li, changes made by
653 Senthil Kumaran
Senthil Kumaran97f0c6b2009-07-25 04:24:38 +0000654
Brett Cannon69194272009-07-20 04:23:48 +0000655- Add importlib.abc.ExecutionLoader to represent the PEP 302 protocol for
656 loaders that allow for modules to be executed. Both importlib.abc.PyLoader
657 and PyPycLoader inherit from this class and provide implementations in
658 relation to other methods required by the ABCs.
659
Brett Cannon64ef00f2009-07-20 03:19:18 +0000660- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
661 the documentation said it did even though the code in PyLoader relied on the
662 abstract method required by ResourceLoader.
663
Mark Dickinson85424c92009-07-18 14:41:42 +0000664- Issue #6431: Make Fraction type return NotImplemented when it doesn't
665 know how to handle a comparison without loss of precision. Also add
666 correct handling of infinities and nans for comparisons with float.
667
Antoine Pitrouf3637322009-08-06 21:00:37 +0000668- Issue #6415: Fixed warnings.warn segfault on bad formatted string.
Hirokazu Yamamoto1c0c0032009-07-17 06:55:42 +0000669
Amaury Forgeot d'Arc97e5f282009-07-11 09:35:13 +0000670- Issue #6358: The exit status of a command started with os.popen() was
671 reported differently than it did with python 2.x.
672
Amaury Forgeot d'Arc2de11152009-07-09 23:07:52 +0000673- Issue #6323: The pdb debugger did not exit when running a script with a
674 syntax error.
675
Gregory P. Smithd06fa472009-07-04 02:46:54 +0000676- Issue #3392: The subprocess communicate() method no longer fails in select()
677 when file descriptors are large; communicate() now uses poll() when possible.
678
Antoine Pitrou54923952009-07-01 14:53:06 +0000679- Issue #6369: Fix an RLE decompression bug in the binhex module.
680
Hirokazu Yamamoto7a9e1bd2009-06-29 14:54:12 +0000681- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
682
Benjamin Peterson5a6deb42009-06-28 21:35:31 +0000683- The deprecated function string.maketrans has been removed.
684
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000685- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
686 sys.path.
687
Alexandre Vassalotticf76e1a2009-07-22 03:24:36 +0000688- Issue #6218: io.StringIO and io.BytesIO instances are now picklable.
689
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000690Extension Modules
691-----------------
Mark Dickinson12c4bdb2009-09-28 19:21:11 +0000692
Martin v. Löwis3afc62e2010-02-18 16:27:43 +0000693- Stop providing crtassem.h symbols when compiling with Visual Studio 2010, as
694 msvcr100.dll is not a platform assembly anymore.
695
Martin v. Löwis7aed61a2009-11-27 14:09:49 +0000696- Issue #6508: Add posix.{getresuid,getresgid,setresuid,setresgid}.
697
Mark Dickinson40714af2009-10-08 15:59:20 +0000698- Issue #7078: Set struct.__doc__ from _struct.__doc__.
699
Mark Dickinson45f992a2009-12-19 11:20:49 +0000700- Issue #3366: Add erf, erfc, expm1, gamma, lgamma functions to math module.
Mark Dickinson12c4bdb2009-09-28 19:21:11 +0000701
Ronald Oussoren2efd9242009-09-20 14:53:22 +0000702- Issue #6877: It is now possible to link the readline extension to the
703 libedit readline emulation on OSX 10.5 or later.
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000704
Mark Dickinson5ea7d642009-09-06 21:24:55 +0000705- Issue #6848: Fix curses module build failure on OS X 10.6.
706
Brett Cannon2f827382009-08-13 19:58:01 +0000707- Fix a segfault that could be triggered by expat with specially formed input.
708
Mark Dickinson1f268282009-07-28 17:22:36 +0000709- Issue #6561: '\d' in a regex now matches only characters with
710 Unicode category 'Nd' (Number, Decimal Digit). Previously it also
711 matched characters with category 'No'.
712
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000713- Issue #4509: Array objects are no longer modified after an operation
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000714 failing due to the resize restriction in-place when the object has exported
715 buffers.
716
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000717- Issue #2389: Array objects are now pickled in a portable manner.
718
Matthias Klosea50ffe52010-01-22 01:10:19 +0000719- Expat: Fix DoS via XML document with malformed UTF-8 sequences
720 (CVE_2009_3560).
721
Martin v. Löwis95c46012009-06-28 09:36:14 +0000722Build
723-----
724
Martin v. Löwis19ed3c82010-02-15 21:45:06 +0000725- Issue #3920, #7903: Define _BSD_SOURCE on OpenBSD 4.4 through 4.9.
Martin v. Löwis7671efc2010-02-15 08:35:16 +0000726
Mark Dickinsonde508002010-01-17 21:02:55 +0000727- Issue #7632: When Py_USING_MEMORY_DEBUGGER is defined, disable the
728 private memory allocation scheme in dtoa.c and use PyMem_Malloc and
729 PyMem_Free instead. Also disable caching of powers of 5.
730
Benjamin Petersond78735d2010-01-01 16:04:23 +0000731- Issue #6491: Allow --with-dbmliborder to specify that no dbms will be built.
732
733- Issue #6943: Use pkg-config to find the libffi headers when the
734 --with-system-ffi flag is used.
735
Benjamin Petersonb2d90462009-12-31 03:23:10 +0000736- Issue #7609: Add a --with-system-expat option that causes the system's expat
737 library to be used for the pyexpat module instead of the one included with
738 Python.
739
Benjamin Petersone57d6762009-12-30 03:02:03 +0000740- Issue #7589: Only build the nis module when the correct header files are
741 found.
742
Martin v. Löwis7df3b9e2010-01-02 10:06:19 +0000743- Switch to OpenSSL 0.9.8l and sqlite 3.6.21 on Windows.
Martin v. Löwise5692cd2009-12-22 08:57:39 +0000744
Mark Dickinsonf4243f62009-11-15 13:47:27 +0000745- Issue #5792: Extend the short float repr support to x86 systems using
746 icc or suncc.
747
Mark Dickinsona25b1312009-10-31 10:18:44 +0000748- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
749 compiles correctly under gcc on x86-64. This fixes a reported
750 problem with the --with-tsc build on x86-64.
751
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +0000752- Issue #6802: Fix build issues on MacOSX 10.6
753
Guilherme Polo5d377bd2009-08-16 14:44:14 +0000754- Issue #6244: Allow detect_tkinter to look for Tcl/Tk 8.6.
755
Amaury Forgeot d'Arc321e5332009-07-02 23:08:45 +0000756- Issue 4601: 'make install' did not set the appropriate permissions on
757 directories.
758
Martin v. Löwis95c46012009-06-28 09:36:14 +0000759- Issue 5390: Add uninstall icon independent of whether file
760 extensions are installed.
761
Ronald Oussoren585c1732009-12-24 14:21:55 +0000762- Issue #7541: when using ``python-config`` with a framework install the compiler might
763 use the wrong library.
764
Mark Dickinsond3aa6462009-09-17 00:06:41 +0000765Documentation
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000766------------
767
Barry Warsaw615368f2010-02-05 19:12:30 +0000768- Updating `Using Python` documentation to include description of CPython's
769 -J and -X options.
770
Brett Cannon757df6e2009-08-30 04:00:12 +0000771- Document that importing a module that has None in sys.modules triggers an
772 ImportError.
773
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000774- Issue #6556: Fixed the Distutils configuration files location explanation
775 for Windows.
Matthias Klosec8b16f82010-01-31 16:14:37 +0000776
777- Update python manual page (options -B, -O0, -s, environment variables
778 PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000779
Brett Cannonb49c70c2009-07-15 04:08:33 +0000780Tests
781-----
782
Ezio Melotti184bdfb2010-02-18 09:37:05 +0000783- Issue #7712: test.support gained a new `temp_cwd` context manager which is
784 now also used by regrtest to run all the tests in a temporary directory.
785 The original CWD is saved in `support.SAVEDCWD`.
786 Thanks to Florent Xicluna who helped with the patch.
787
Mark Dickinsonedff7af2010-02-13 18:34:53 +0000788- Issue #7924: Fix an intermittent 'XXX undetected error' failure in
789 test_capi (only seen so far on platforms where the curses module
790 wasn't built), due to an uncleared exception.
791
R. David Murraye9e95932010-02-06 05:00:15 +0000792- issue #7728: test_timeout was changed to use test_support.bind_port
793 instead of a hard coded port.
794
R. David Murray445448c2009-12-20 17:28:31 +0000795- Issue #7376: instead of running a self-test (which was failing) when called
796 with no arguments, doctest.py now gives a usage message.
797
R. David Murrayef1992b2009-12-16 15:19:27 +0000798- Issue #7396: fix regrtest -s, which was broken by the -j enhancement.
799
R. David Murray596da442009-12-14 23:06:11 +0000800- Issue #7498: test_multiprocessing now uses test.support.find_unused_port
R. David Murray83396232009-12-14 22:45:15 +0000801 instead of a hardcoded port number in test_rapid_restart.
802
R. David Murrayba311052009-12-04 00:09:14 +0000803- Issue #7431: use TESTFN in test_linecache instead of trying to create a
804 file in the Lib/test directory, which might be read-only for the
805 user running the tests.
806
R. David Murray35768ad2009-11-15 00:23:21 +0000807- Issue #7324: add a sanity check to regrtest argument parsing to
808 catch the case of an option with no handler.
809
R. David Murray7dc72cc2009-11-14 16:13:02 +0000810- Issue #7312: Add a -F flag to run the selected tests in a loop until
811 a test fails. Can be combined with -j.
812
Antoine Pitrou060cee22009-11-13 16:29:04 +0000813- Issue #6551: test_zipimport could import and then destroy some modules of
814 the encodings package, which would make other tests fail further down
815 the road because the internally cached encoders and decoders would point
816 to empty global variables.
817
Antoine Pitrou941ee882009-11-11 20:59:38 +0000818- Issue #7295: Do not use a hardcoded file name in test_tarfile.
819
Antoine Pitrou557934f2009-11-06 22:41:14 +0000820- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
821 primitives such as Lock, RLock, Condition, Event and Semaphore.
822
Brett Cannoncfed0292009-11-05 01:26:57 +0000823- Issue #7248 (part 2): Use a unique temporary directory for importlib source
824 tests instead of tempfile.tempdir. This prevents the tests from sharing state
825 between concurrent executions on the same system.
826
Brett Cannon0ae45112009-11-05 01:17:22 +0000827- Issue #7248: In importlib.test.source.util a try/finally block did not make
828 sure that some referenced objects actually were created in the block before
829 calling methods on the object.
830
Antoine Pitrou65c9c642009-10-30 17:25:12 +0000831- Issue #7222: Make thread "reaping" more reliable so that reference
832 leak-chasing test runs give sensible results. The previous method of
833 reaping threads could return successfully while some Thread objects were
834 still referenced. This also introduces a new private function:
835 :func:`_thread._count()`.
836
R. David Murray27144602009-10-19 15:26:16 +0000837- Issue #7151: fixed regrtest -j so that output to stderr from a test no
838 longer runs the risk of causing the worker thread to fail.
839
Antoine Pitrou4de39cd2009-10-10 21:08:31 +0000840- Issue #7055: test___all__ now greedily detects all modules which have an
841 __all__ attribute, rather than using a hardcoded and incomplete list.
842
R. David Murray0bc11ae2009-10-18 22:18:17 +0000843- Issue #7058: Added save/restore for things like sys.argv and cwd to
844 runtest_inner in regrtest, with warnings if the called test modifies them,
845 and a new section in the summary report at the end.
R. David Murray097e51f2009-10-07 23:38:55 +0000846
Mark Dickinson2e304402009-10-04 18:43:54 +0000847- Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6.
848
Brett Cannon3c273842009-07-20 00:14:29 +0000849- Fixed tests in importlib.test.source.test_abc_loader that were masking
850 the proper exceptions that should be raised for missing or improper code
851 object bytecode.
852
Brett Cannonb49c70c2009-07-15 04:08:33 +0000853- Removed importlib's custom test discovery code and switched to
854 unittest.TestLoader.discover().
855
Antoine Pitroua69ba652010-01-18 21:20:53 +0000856Tools/Demos
857-----------
858
859- iobench (a file I/O benchmark) and ccbench (a concurrency benchmark) were
860 added to the `Tools/` directory. They were previously living in the
861 sandbox.
862
Benjamin Peterson46ea4f72009-06-27 21:40:27 +0000863
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000864What's New in Python 3.1?
865=========================
866
867*Release date: 27-June-2009*
868
869Core and Builtins
870-----------------
871
Mark Dickinsonad195562009-06-24 19:01:32 +0000872- Issue #6334: Fix bug in range length calculation for ranges with
873 large arguments.
874
Raymond Hettinger159eac92009-06-23 20:38:54 +0000875- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
876 because it wasn't recognized as a sequence).
877
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000878Library
879-------
880
Georg Brandld07ac642009-08-13 07:50:57 +0000881- Issue #6126: Fixed pdb command-line usage.
882
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000883- Issue #6314: logging: performs extra checks on the "level" argument.
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000884
Facundo Batista10706e22009-06-19 20:34:30 +0000885- Issue #6274: Fixed possible file descriptors leak in subprocess.py
886
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000887- Accessing io.StringIO.buffer now raises an AttributeError instead of
888 io.UnsupportedOperation.
889
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000890- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +0000891 (On Unix)
892
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000893- Issue #1202: zipfile module would cause a struct.error when attempting to
894 store files with a CRC32 > 2**31-1.
895
Matthias Kloseab2b7552009-06-22 13:05:52 +0000896Extension Modules
897-----------------
898
899- Issue #5590: Remove unused global variable in pyexpat extension.
900
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000901
Antoine Pitrou3b1b8072009-05-30 21:01:23 +0000902What's New in Python 3.1 Release Candidate 2?
903=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000904
Benjamin Petersonc7c12282009-06-13 13:15:04 +0000905*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000906
907Core and Builtins
908-----------------
909
Raymond Hettinger94f55832009-06-12 18:40:16 +0000910- Fixed SystemError triggered by "range([], 1, -1)".
911
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000912- Issue #5924: On Windows, a large PYTHONPATH environment variable
913 (more than 255 characters) would be completely ignored.
914
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000915- Issue #4547: When debugging a very large function, it was not always
916 possible to update the lineno attribute of the current frame.
917
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000918- Issue #5330: C functions called with keyword arguments were not reported by
Alexandre Vassalottiea3714e2009-07-17 09:34:31 +0000919 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000920
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000921Library
922-------
923
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +0000924- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000925 expression string pattern was trying to match against a bytes returned by
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +0000926 Popen. Tested under win32 to build the py-postgresql project.
927
Martin v. Löwis83eacca2009-06-12 17:31:41 +0000928- Issue #6258: Support AMD64 in bdist_msi.
929
R. David Murray58641de2009-06-12 15:33:19 +0000930- Issue #6195: fixed doctest to no longer try to read 'source' data from
931 binary files.
932
Vinay Sajipaffbd872009-06-11 10:11:47 +0000933- Issue #5262: Fixed bug in next rollover time computation in
934 TimedRotatingFileHandler.
935
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000936- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
937 errors property. Additionally, the errors and encoding properties of StringIO
938 are always None now.
939
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000940- Issue #6137: The pickle module now translates module names when loading
941 or dumping pickles with a 2.x-compatible protocol, in order to make data
942 sharing and migration easier. This behaviour can be disabled using the
943 new `fix_imports` optional argument.
944
Raymond Hettinger40925d22009-06-04 18:32:39 +0000945- Removed the ipaddr module.
946
Georg Brandlb54d8012009-06-04 09:11:51 +0000947- Issue #3613: base64.{encode,decode}string are now called
948 base64.{encode,decode}bytes which reflects what type they accept and return.
949 The old names are still there as deprecated aliases.
950
Georg Brandl317185a2009-06-04 09:00:56 +0000951- Issue #5767: Remove sgmlop support from xmlrpc.client.
952
Martin v. Löwis74b7e442009-06-01 04:23:07 +0000953- Issue #6150: Fix test_unicode on wide-unicode builds.
954
Antoine Pitrouc06de472009-05-30 21:04:26 +0000955- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
956 parameters.
957
Martin v. Löwis79b13872009-06-01 04:13:14 +0000958Windows
959-------
960
Martin v. Löwisb7a51562009-06-07 17:55:17 +0000961- Issue #6221: Delete test registry key before running the test.
962
Martin v. Löwis79b13872009-06-01 04:13:14 +0000963- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
964
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +0000965C-API
966-----
967
968- Issue #5735: Python compiled with --with-pydebug should throw an
969 ImportError when trying to import modules compiled without
970 --with-pydebug, and vice-versa.
971
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000972
Brett Cannonc6d936e2009-06-07 20:09:53 +0000973Build
974-----
975
976- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
977 added LIBS to OS X framework builds.
978
Ronald Oussoren99aab652009-06-08 21:22:57 +0000979- Issue #5809: Specifying both --enable-framework and --enable-shared is
980 an error. Configure now explicity tells you about this.
981
982
Brett Cannonc6d936e2009-06-07 20:09:53 +0000983
Mark Dickinson4eb88b32009-05-11 16:41:34 +0000984What's New in Python 3.1 release candidate 1?
985=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000986
Benjamin Petersone6ad3872009-05-30 15:30:16 +0000987*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000988
989Core and Builtins
990-----------------
991
Martin v. Löwis8ed91b22009-05-29 16:22:26 +0000992- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
993 of the command line.
994
Martin v. Löwisc15bdef2009-05-29 14:47:46 +0000995- Issue #6012: Add cleanup support to O& argument parsing.
996
Eric Smith41669ca2009-05-23 14:23:22 +0000997- Issue #6089: Fixed str.format with certain invalid field specifiers
998 that would raise SystemError.
999
Raymond Hettinger2bcde142009-05-29 04:52:27 +00001000- Issue #5982: staticmethod and classmethod now expose the wrapped
1001 function with __func__.
1002
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +00001003- Added support for multiple context managers in the same with-statement.
1004 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +00001005
Mark Dickinson6b1e43b2009-05-20 18:41:04 +00001006- Issue #5829: complex("1e500") no longer raises OverflowError. This
1007 makes it consistent with float("1e500") and interpretation of real
1008 and imaginary literals.
1009
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +00001010- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
1011
R. David Murraydd226ea2009-05-13 12:27:21 +00001012- Issue #5994: the marshal module now has docstrings.
1013
Mark Dickinsond1ec8b22009-05-11 15:45:15 +00001014- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
1015 (1) inf and nan strings with trailing whitespace were incorrectly
1016 rejected; (2) parsing of strings representing infinities and nans
1017 was locale aware; and (3) the interpretation of fromhex('-nan')
1018 didn't match that of float('-nan').
1019
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001020Library
1021-------
1022
Martin v. Löwisb6a748b2009-05-29 15:23:17 +00001023- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
1024
R. David Murrayfb123912009-05-28 18:19:00 +00001025- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
1026
R. David Murray1f1b9d32009-05-27 20:56:59 +00001027- Issue #6121: pydoc now ignores leading and trailing spaces in the
1028 argument to the 'help' function.
1029
Georg Brandlfaf41492009-05-26 18:31:11 +00001030- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
1031 arguments for strings with a space in them.
1032
Raymond Hettinger089ba7f2009-05-27 00:38:24 +00001033- collections.namedtuple() was not working with the following field
1034 names: cls, self, tuple, itemgetter, and property.
1035
Benjamin Peterson14a3dd72009-05-25 00:51:58 +00001036- In unittest, using a skipping decorator on a class is now equivalent to
1037 skipping every test on the class. The ClassTestSuite class has been removed.
1038
Martin v. Löwis70ccd162009-05-24 19:47:22 +00001039- Issue #6050: Don't fail extracting a directory from a zipfile if
1040 the directory already exists.
1041
Antoine Pitrou61f77b52009-05-24 15:46:13 +00001042- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
1043 than an int, which makes some operations possible under 64-bit Linux (e.g.
1044 DN_MULTISHOT with F_NOTIFY).
1045
Antoine Pitrou716c4442009-05-23 19:04:03 +00001046- Issue #5761: Add the name of the underlying file to the repr() of various
1047 IO objects.
1048
R. David Murraycaa27b72009-05-23 18:49:56 +00001049- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
1050 by Musashi Tamura, tests by Marcin Bachry.
1051
Antoine Pitrouc3ee1662009-05-23 16:02:33 +00001052- Issue #1983: Fix functions taking or returning a process identifier to use
1053 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
1054 a process identifier type wider than the standard C integer type.
1055
R. David Murray87e20742009-05-23 01:30:26 +00001056- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
1057 Patch by Farhan Ahmad, test by Marcin Bachry.
1058
Antoine Pitrou6e610062009-05-15 17:04:50 +00001059- Issue #2116: Weak references and weak dictionaries now support copy()ing and
1060 deepcopy()ing.
1061
Antoine Pitrouc1d09362009-05-15 12:15:51 +00001062- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
1063
Antoine Pitrou37d1c182009-05-14 21:54:00 +00001064- Issue #5918: Fix a crash in the parser module.
1065
Antoine Pitrou2ca24f02009-05-14 21:30:46 +00001066- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
1067
Antoine Pitroue4501852009-05-14 18:55:55 +00001068- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
1069 library. This means, for example, that opening an UTF-16 text file in
1070 append mode doesn't add a BOM at the end of the file if the file isn't
1071 empty.
1072
R. David Murray74b89242009-05-13 17:33:03 +00001073- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
1074 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
1075 corrects a pydoc regression.
1076
R. David Murray99352742009-05-07 18:24:38 +00001077- Issue 5955: aifc's close method did not close the file it wrapped,
1078 now it does. This also means getfp method now returns the real fp.
1079
Benjamin Peterson932073a2009-05-23 16:14:33 +00001080Installation
1081------------
1082
1083- Issue #6047: fullinstall has been removed because Python 3's executable will
1084 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001085
Ronald Oussorenbe7149e2009-05-26 21:39:08 +00001086- Lib/smtpd.py is no longer installed as a script.
1087
Martin v. Löwisdb1c3992009-05-23 10:38:26 +00001088Extension Modules
1089-----------------
1090
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +00001091- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +00001092
Martin v. Löwise23c8682009-05-29 16:01:34 +00001093- Issue #4873: Fix resource leaks in error cases of pwd and grp.
1094
Martin v. Löwisdb1c3992009-05-23 10:38:26 +00001095- Issue #6093: Fix off-by-one error in locale.strxfrm.
1096
Benjamin Peterson744af442009-05-23 18:51:49 +00001097- The _functools and _locale modules are now built into the libpython shared
1098 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +00001099
Antoine Pitrou20327222009-05-24 20:39:11 +00001100Build
1101-----
1102
1103- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
1104 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
1105 Clinton Roy.
1106
Brett Cannon1262e7c2009-05-11 01:47:11 +00001107Tests
1108-----
1109
1110- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
1111 tests on darwin even when the OS was installed on a case-sensitive
1112 filesystem. Also fixed tests that should not be run when
1113 sys.dont_write_bytecode is true.
1114
1115
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001116What's New in Python 3.1 beta 1?
1117================================
1118
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +00001119*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001120
1121Core and Builtins
1122-----------------
1123
Mark Dickinson865e01a2009-05-07 16:37:01 +00001124- Issue #5914: Add new C API function PyOS_string_to_double, and
1125 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
1126
Eric Smith741191f2009-05-06 13:08:15 +00001127- Issue #3382: float.__format__, complex.__format__, and %-formatting
1128 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
1129 affects nan -> NAN and inf -> INF.
1130
Mark Hammond5a607a32009-05-06 08:04:54 +00001131- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
1132 in all operations, including splitdrive, split, etc. splitunc() now issues
1133 a PendingDeprecation warning.
1134
Eric Smith63376222009-05-05 14:04:18 +00001135- Issue #5920: For float.__format__, change the behavior with the
1136 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
1137 to be like 'g' but with at least one decimal point and with a
1138 default precision of 12. Previously, the behavior the same but with
1139 a default precision of 6. This more closely matches str(), and
1140 reduces surprises when adding alignment flags to the empty
1141 presentation type. This also affects the new complex.__format__ in
1142 the same way.
1143
Martin v. Löwis011e8422009-05-05 04:43:17 +00001144- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
1145
R. David Murrayb18500d2009-05-04 22:59:07 +00001146- Issue #5890: in subclasses of 'property' the __doc__ attribute was
1147 shadowed by classtype's, even if it was None. property now
1148 inserts the __doc__ into the subclass instance __dict__.
1149
Antoine Pitrou244651a2009-05-04 18:56:13 +00001150- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
1151 sequences. Patch by Nick Barnes and Victor Stinner.
1152
Martin v. Löwise0a2b722009-05-10 08:08:56 +00001153- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +00001154
Benjamin Petersond2e0c792009-05-01 20:40:59 +00001155- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
1156 received a new method, detach(). detach() disconnects the underlying stream
1157 from the buffer or text IO and returns it.
1158
Mark Dickinson33841c32009-05-01 15:37:04 +00001159- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
1160 floats with absolute value over 1e50. Also remove length
1161 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
1162 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +00001163
Eric Smith741191f2009-05-06 13:08:15 +00001164- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +00001165 format(complex(1, 2./3), '.5') now produces a sensible result.
1166
Mark Dickinsond3ca5572009-04-29 18:47:07 +00001167- Issue #5864: Fix empty format code formatting for floats so that it
1168 never gives more than the requested number of significant digits.
1169
Eric Smith6dc46f52009-04-27 20:39:49 +00001170- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
1171 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
1172
Eric Smithcc32a112009-04-26 21:35:14 +00001173- Issue #5835: Deprecate PyOS_ascii_formatd.
1174
Martin v. Löwis71efeb72009-04-26 01:02:07 +00001175- Issue #4971: Fix titlecase for characters that are their own
1176 titlecase, but not their own uppercase.
1177
Benjamin Peterson193152c2009-04-25 01:08:45 +00001178- Issue #5283: Setting __class__ in __del__ caused a segfault.
1179
Mark Dickinsonad476da2009-04-23 19:14:16 +00001180- Issue #5816: complex(repr(z)) now recovers z exactly, even when
1181 z involves nans, infs or negative zeros.
1182
Mark Dickinson4a16e3a2009-04-23 19:15:48 +00001183- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +00001184
Mark Dickinsone6a076d2009-04-18 11:48:33 +00001185- Issue #1869 (and many duplicates): make round(x, n) correctly
1186 rounded for a float x, by using the decimal <-> binary conversions
1187 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
1188 consistently agrees with format(x, '.2f').
1189
Benjamin Petersonae937c02009-04-18 20:54:08 +00001190- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
1191 some builtin types.
1192
Eric Smith0923d1d2009-04-16 20:16:10 +00001193- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
1194
Eric Smith35e84722009-04-16 20:21:28 +00001195- Issue #5515: str.format() type 'n' combined with commas and leading
1196 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +00001197
1198- Implement PEP 378, Format Specifier for Thousands Separator, for
1199 floats.
1200
Mark Dickinson3370cce2009-04-17 22:40:53 +00001201- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001202 1e11, not 1e12. This avoids printing 13 significant digits in
1203 situations where only 12 of them are correct. Example problem
1204 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
1205 long time.)
1206
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001207- Issue #1580: On most platforms, use a 'short' float repr: for a
1208 finite float x, repr(x) now outputs a string based on the shortest
1209 sequence of decimal digits that rounds to x. Previous behaviour was
1210 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +00001211 Another minor difference is that the new repr switches to
1212 exponential notation at 1e16 instead of the previous 1e17; this
1213 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001214
1215 There's a new sys attribute sys.float_repr_style, which takes
1216 the value 'short' to indicate that we're using short float repr,
1217 and 'legacy' if the short float repr isn't available for one
1218 reason or another.
1219
1220 The float repr change involves incorporating David Gay's 'perfect
1221 rounding' code into the Python core (it's in Python/dtoa.c). As a
1222 secondary consequence, all string-to-float and float-to-string
1223 conversions (including all float formatting operations) will be
1224 correctly rounded on these platforms.
1225
1226 See issue 1580 discussions for details of platforms for which
1227 this change does not apply.
1228
Benjamin Peterson2808d3c2009-04-15 21:34:27 +00001229- Issue #5759: float() didn't call __float__ on str subclasses.
1230
Georg Brandlabc38772009-04-12 15:51:51 +00001231- The string.maketrans() function is deprecated; there is a new static method
1232 maketrans() on the bytes and bytearray classes. This removes confusion about
1233 the types string.maketrans() is supposed to work with, and mirrors the
1234 methods available on the str class.
1235
R. David Murraydc6da8a2009-04-09 22:16:43 +00001236- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
1237 its clarity and its speed.
1238
Matthias Klose091c7b12009-04-07 13:24:27 +00001239- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
1240 to avoid compiler warnings.
1241
Walter Dörwald8dc33d52009-05-06 14:41:26 +00001242- Issue #3739: The unicode-internal encoder now reports the number of characters
1243 consumed like any other encoder (instead of the number of bytes).
1244
Benjamin Peterson0b4915e2009-04-25 21:11:45 +00001245Installation
1246------------
1247
1248- Issue #5756: Install idle and pydoc with a 3 suffix.
1249
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001250Library
1251-------
1252
Martin v. Löwis403117a2009-05-24 19:19:17 +00001253- Issue #5311: bdist_msi can now build packages that do not depend on a
1254 specific Python version.
1255
Raymond Hettingereb816952009-05-29 01:22:18 +00001256- Issue #5150: IDLE's format menu now has an option to strip trailing
1257 whitespace.
1258
Vinay Sajipaffbd872009-06-11 10:11:47 +00001259- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +00001260 the right type checkings anymore.
1261
Thomas Heller00cfc372009-05-05 19:04:40 +00001262- Issue #4875: On win32, ctypes.util.find_library does no longer
1263 return directories.
1264
Georg Brandl243ad662009-05-05 09:00:19 +00001265- Issue #5142: Add the ability to skip modules while stepping to pdb.
1266
Georg Brandl991f9202009-05-05 08:31:54 +00001267- Issue #1309567: Fix linecache behavior of stripping subdirectories when
1268 looking for files given by a relative filename.
1269
Georg Brandleaa84ef2009-05-05 08:14:33 +00001270- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
1271 turtle demos in Demo/turtle.
1272
Antoine Pitrou3c33e082009-05-04 21:21:36 +00001273- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
1274 extracting a file to the root directory.
1275
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +00001276- Issue #5913: os.listdir() should fail for empty path on windows.
1277
Antoine Pitroua9f48a02009-05-02 21:41:14 +00001278- Issue #5084: unpickling now interns the attribute names of pickled objects,
1279 saving memory and avoiding growth in size of subsequent pickles. Proposal
1280 and original patch by Jake McGuire.
1281
Benjamin Petersonc6b607d2009-05-02 12:36:44 +00001282- The json module now works exclusively with str and not bytes.
1283
Gregory P. Smithe54dff52009-05-01 22:13:48 +00001284- Issue #3959: The ipaddr module has been added to the standard library.
1285 Contributed by Google.
1286
Antoine Pitrou7fff0962009-05-01 21:09:44 +00001287- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
1288 error when a named pipe is encountered, rather than blocking infinitely.
1289
Raymond Hettinger1f0db402009-04-29 00:38:08 +00001290- Issue #5857: tokenize.tokenize() now returns named tuples.
1291
Thomas Hellerc1edc2d2009-04-28 19:55:58 +00001292- Issue #4305: ctypes should now build again on mipsel-linux-gnu
1293
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +00001294- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
1295 string is already in normalized form, by performing a quick check beforehand.
1296 Original patch by Rauli Ruohonen.
1297
Antoine Pitrou57f3d932009-04-27 21:04:19 +00001298- Issue #5853: calling a function of the mimetypes module from several threads
1299 at once could hit the recursion limit if the mimetypes database hadn't been
1300 initialized before.
1301
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001302- Issue #5854: Updated __all__ to include some missing names and remove some
1303 names which should not be exported.
1304
Thomas Heller34596a92009-04-24 20:50:00 +00001305- Issue #3102: All global symbols that the _ctypes extension defines
1306 are now prefixed with 'Py' or '_ctypes'.
1307
1308- Issue #5041: ctypes does now allow pickling wide character.
1309
Mark Dickinsond4d95f82009-04-24 14:06:19 +00001310- Issue #5812: For the two-argument form of the Fraction constructor,
1311 Fraction(m, n), m and n are permitted to be arbitrary Rational
1312 instances.
1313
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +00001314- Issue #5812: Fraction('1e6') is valid: more generally, any string
1315 that's valid for float() is now valid for Fraction(), with the
1316 exception of strings representing NaNs and infinities.
1317
Antoine Pitroucf4c7492009-04-19 00:09:36 +00001318- Issue #5734: BufferedRWPair was poorly tested and had several glaring
1319 bugs. Patch by Brian Quinlan.
1320
R. David Murray9e94ddf2009-04-13 17:06:33 +00001321- Issue #1161031: fix readwrite select flag handling: POLLPRI now
1322 results in a handle_expt_event call, not handle_read_event, and POLLERR
1323 and POLLNVAL now call handle_close, not handle_expt_event. Also,
1324 dispatcher now has an 'ignore_log_types' attribute for suppressing
1325 log messages, which is set to 'warning' by default.
1326
Matthias Klosea3d29e82009-04-07 13:13:10 +00001327- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
1328 new arguments introduced in 2.5.
1329
Walter Dörwald1b08b302009-04-25 14:13:56 +00001330- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
1331 makeunicodedata.py and regenerated the Unicode database (This fixes
1332 u'\u1d79'.lower() == '\x00').
1333
Matthias Klose535336f2009-04-07 13:49:45 +00001334Extension Modules
1335-----------------
1336
Benjamin Petersone04b6272009-05-04 22:25:21 +00001337- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
1338 pwd.
1339
Mark Dickinsonea835e72009-04-19 20:40:33 +00001340- Issue #5463: In struct module, remove deprecated float coercion
1341 for integer type codes: struct.pack('L', 0.3) should now raise
1342 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
1343 The version number has been bumped to 0.3.
1344
Matthias Klose535336f2009-04-07 13:49:45 +00001345- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
1346 using Berkley-DB.
1347
Nick Coghlan47384702009-04-22 16:13:36 +00001348Tests
1349-----
1350
1351- Issue #5354: New test support function import_fresh_module() makes
1352 it easy to import both normal and optimised versions of modules.
1353 test_heapq and test_warnings have been adjusted to use it, tests for
1354 other modules with both C and Python implementations in the stdlib
1355 can be adjusted to use it over time.
1356
Walter Dörwald4ba80132009-04-25 12:48:43 +00001357- Issue #5837: Certain sequences of calls to set() and unset() for
1358 support.EnvironmentVarGuard objects restored the environment variables
1359 incorrectly on __exit__.
1360
Benjamin Petersonb173f782009-05-05 22:31:58 +00001361C-API
1362-----
1363
1364- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
1365
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001366
Benjamin Petersond1735892009-03-07 18:46:21 +00001367What's New in Python 3.1 alpha 2?
1368=================================
1369
Benjamin Peterson88f14352009-04-04 21:06:52 +00001370*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +00001371
1372Core and Builtins
1373-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +00001374
Eric Smith1e1d7d22009-04-03 22:25:33 +00001375- Implement PEP 378, Format Specifier for Thousands Separator, for
1376 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +00001377
Benjamin Peterson8f76b492009-04-03 22:22:42 +00001378- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
1379
Benjamin Peterson7fe98532009-04-02 00:33:55 +00001380- Issue #5499: The 'c' code for argument parsing functions now only accepts a
1381 byte, and the 'C' code only accepts a unicode character.
1382
Georg Brandl406b3d82009-04-11 21:24:37 +00001383- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
1384 when hitting the recursion limit under certain circumstances.
1385
Brett Cannon0759dd62009-04-01 18:13:07 +00001386- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
1387
Georg Brandlab6f2f62009-03-31 04:16:10 +00001388- Fix a segfault when running test_exceptions with coverage, caused by
1389 insufficient checks in accessors of Exception.__context__.
1390
Guido van Rossum0ad59d42009-03-30 22:01:35 +00001391- Issue #5604: non-ASCII characters in module name passed to
1392 imp.find_module() were converted to UTF-8 while the path is
1393 converted to the default filesystem encoding, causing nonsense.
1394
Benjamin Peterson09832742009-03-26 17:15:46 +00001395- Issue #5126: str.isprintable() returned False for space characters.
1396
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +00001397- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
1398 the end sys.path, for compatibility with the system install of Python.
1399
Antoine Pitrou3a652b12009-03-23 18:52:06 +00001400- Issue #4688: Add a heuristic so that tuples and dicts containing only
1401 untrackable objects are not tracked by the garbage collector. This can
1402 reduce the size of collections and therefore the garbage collection overhead
1403 on long-running programs, depending on their particular use of datatypes.
1404
Mark Dickinson17e4fdd2009-03-23 18:44:57 +00001405- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
1406 improve its performance. Long divisions and remainder operations
1407 are now between 50% and 150% faster.
1408
Mark Dickinsonbd792642009-03-18 20:06:12 +00001409- Issue #4258: Make it possible to use base 2**30 instead of base
1410 2**15 for the internal representation of integers, for performance
1411 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
1412 --enable-big-digits option to configure, which overrides the
1413 default. Add sys.int_info structseq to provide information about
1414 the internal format.
1415
Mark Dickinson081dfee2009-03-18 14:47:41 +00001416- Issue #4474: PyUnicode_FromWideChar now converts characters outside
1417 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
1418 and sizeof(Py_UNICODE) == 2.
1419
Eric Smith8ec90442009-03-14 12:29:34 +00001420- Issue #5237: Allow auto-numbered fields in str.format(). For
1421 example: '{} {}'.format(1, 2) == '1 2'.
1422
Antoine Pitrou652e7072009-03-13 19:25:20 +00001423- Issue #5392: when a very low recursion limit was set, the interpreter would
1424 abort with a fatal error after the recursion limit was hit twice.
1425
Matthias Klose042f1332009-04-04 14:32:42 +00001426- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
1427 short file names.
1428
Benjamin Petersond1735892009-03-07 18:46:21 +00001429Library
1430-------
1431
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001432- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +00001433 mailbox.MH.get_message().
1434
Hye-Shik Chang944820b2009-04-02 10:33:16 +00001435- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
1436 error substitutions from non-strict codec error callbacks in
1437 incrementalencoder and StreamWriter.
1438
Georg Brandl33c28812009-04-01 23:07:29 +00001439- Issue #5656: Fix the coverage reporting when running the test suite with
1440 the -T argument.
1441
Raymond Hettinger3f10a952009-04-01 19:05:50 +00001442- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
1443
Georg Brandl4ed72ac2009-04-01 04:28:33 +00001444- Issue #5624: Fix the _winreg module name still used in several modules.
1445
Benjamin Petersona1b49012009-03-31 23:11:32 +00001446- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
1447
Jesse Nollera9314042009-03-31 22:36:44 +00001448- Issue #5619: Multiprocessing children disobey the debug flag and causes
1449 popups on windows buildbots. Patch applied to work around this issue.
1450
Jesse Noller32d68c22009-03-31 18:48:42 +00001451- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
1452
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +00001453- Issue #5387: Fixed mmap.move crash by integer overflow.
1454
Jesse Nollerf8d00852009-03-31 03:25:07 +00001455- Issue #5261: Patch multiprocessing's semaphore.c to support context
1456 manager use: "with multiprocessing.Lock()" works now.
1457
Brett Cannon7f6b4f82009-03-30 21:30:26 +00001458- Issue #5236: Change time.strptime() to only take strings. Didn't work with
1459 bytes already but the failure was non-obvious.
1460
Jesse Noller7af4ef82009-03-30 16:47:15 +00001461- Issue #5177: Multiprocessing's SocketListener class now uses
1462 socket.SO_REUSEADDR on all connections so that the user no longer needs
1463 to wait 120 seconds for the socket to expire.
1464
Benjamin Peterson48e24782009-03-29 13:02:52 +00001465- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
1466
Antoine Pitrou66994e12009-03-29 00:45:26 +00001467- Issue #1174606: Calling read() without arguments of an unbounded file
1468 (typically /dev/zero under Unix) could crash the interpreter.
1469
Benjamin Peterson59406a92009-03-26 17:10:29 +00001470- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
1471 io.BufferedRandom have been deprecated for removal in Python 3.2.
1472
Lars Gustäbel42e00912009-03-22 20:34:29 +00001473- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
1474 forever on incomplete input. That caused tarfile.open() to hang when used
1475 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
1476 partial bzip2 compressed data.
1477
Mark Dickinson79f52032009-03-17 23:12:51 +00001478- Issue #2110: Add support for thousands separator and 'n' type
1479 specifier to Decimal.__format__
1480
Mark Dickinson9c59fe02009-03-17 18:15:08 +00001481- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
1482 '>' alignment characters.
1483
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +00001484- The error detection code in FileIO.close() could fail to reflect the `errno`
1485 value, and report it as -1 instead.
1486
Antoine Pitroua28fcfd2009-03-13 23:42:55 +00001487- Issue #5016: FileIO.seekable() could return False if the file position
1488 was negative when truncated to a C int. Patch by Victor Stinner.
1489
Mark Dickinsonae681df2009-03-21 10:26:31 +00001490Extension Modules
1491-----------------
1492
Benjamin Petersone099b372009-04-04 17:09:35 +00001493- Issue #5391: mmap now deals exclusively with bytes.
1494
Mark Dickinsonae681df2009-03-21 10:26:31 +00001495- Issue #5463: In struct module, remove deprecated overflow wrapping
1496 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +00001497 struct.error instead of returning b'\xff\xff\xff\xff'. The
1498 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
1499 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +00001500
Benjamin Petersond1735892009-03-07 18:46:21 +00001501
Benjamin Petersona58a6262009-03-07 16:34:40 +00001502What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +00001503================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001504
Benjamin Petersona58a6262009-03-07 16:34:40 +00001505*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001506
1507Core and Builtins
1508-----------------
1509
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +00001510- The io module has been reimplemented in C for speed.
1511
Raymond Hettingerb0d56af2009-03-03 10:52:49 +00001512- Give dict views an informative __repr__.
1513
Eric Smith5e5c0db2009-02-20 14:25:03 +00001514- Issue #5247: Improve error message when unknown format codes are
1515 used when using str.format() with str, int, and float arguments.
1516
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +00001517- Issue #5249: time.strftime returned malformed string when format string
1518 contained non ascii character on windows.
1519
Benjamin Petersonf5b52242009-03-02 23:31:26 +00001520- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
1521 source has already been decoded into str.
1522
Antoine Pitrou79eee6b2009-02-13 14:01:05 +00001523- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
1524 rotating the object pointer by 4 bits to the right.
1525
Mark Dickinson87ec0852009-02-09 17:15:59 +00001526- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
1527 it now forces its argument to double before testing for infinity.
1528
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +00001529- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
1530 returns a non-number type.
1531
Benjamin Peterson87618552009-02-08 15:00:52 +00001532- Issue #5182: Removed memoryview.__str__.
1533
Mark Dickinsonc008a172009-02-01 13:59:22 +00001534- Issue #1717: Removed builtin cmp() function, dropped tp_compare
1535 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +00001536 the type definition cmpfunc. The tp_compare slot has been renamed
1537 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +00001538
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001539- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +00001540 were suppressing all exceptions. These include list() and bytearray().
1541
Mark Dickinson1124e712009-01-28 21:25:58 +00001542- Issue #4707: round(x, n) now returns an integer if x is an integer.
1543 Previously it returned a float.
1544
Antoine Pitroub52ec782009-01-25 16:34:23 +00001545- Issue #4753: By enabling a configure option named '--with-computed-gotos'
1546 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
1547 evaluation loop is compiled with a new dispatch mechanism which gives
1548 speedups of up to 20%, depending on the system, on various benchmarks.
1549
Antoine Pitrou81fabdb2009-01-22 10:11:36 +00001550- Issue #4874: Most builtin decoders now reject unicode input.
1551
Mark Dickinson9ffc0202009-01-20 20:45:53 +00001552- Issue #4842: Don't allow trailing 'L' when constructing an integer
1553 from a string.
1554
Benjamin Peterson05e782f2009-01-19 15:15:02 +00001555- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
1556
Antoine Pitroue4bc7f62009-01-17 21:06:43 +00001557- Issue #4838: When a module is deallocated, free the memory backing the
1558 optional module state data.
1559
Mark Dickinson8055afd2009-01-17 10:04:45 +00001560- Issue #4910: Rename nb_long slot to nb_reserved, and change its
1561 type to (void *).
1562
Antoine Pitrou8d4e5052009-01-13 22:59:11 +00001563- Issue #4935: The overflow checking code in the expandtabs() method common
1564 to str, bytes and bytearray could be optimized away by the compiler, letting
1565 the interpreter segfault instead of raising an error.
1566
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +00001567- Issue #3720: Fix a crash when an iterator modifies its class and removes its
1568 __next__ method.
1569
Mark Dickinsone5e298f2009-01-12 20:49:19 +00001570- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
1571 function no longer attempt to call the __long__ slot to convert an object
1572 to an integer. Only the __int__ and __trunc__ slots are examined.
1573
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +00001574- Issue #4893: Use NT threading on CE.
1575
Martin v. Löwisec59d042009-01-12 07:59:10 +00001576- Issue #4915: Port sysmodule to Windows CE.
1577
Antoine Pitrouab868312009-01-10 15:40:25 +00001578- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
1579 common cases are optimized thanks to a dedicated fast path and a moderate
1580 amount of loop unrolling.
1581
Antoine Pitrou14b78f52009-01-09 22:27:08 +00001582- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
1583 collecting the oldest generation) so that allocating lots of objects without
1584 destroying them does not show quadratic performance. Based on a proposal by
1585 Martin von Löwis at
1586 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
1587
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001588- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +00001589 having been closed (for instance, a read() call could return some
1590 previously buffered data). Patch by Dmitry Vasiliev.
1591
Antoine Pitrou05608432009-01-09 18:53:14 +00001592- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
1593 flag to work properly. Furthermore, when specifying -u, the text stdout
1594 and stderr streams have line-by-line buffering enabled (the default being
1595 to buffer arbitrary chunks of data).
1596
Raymond Hettinger35631532009-01-09 03:58:09 +00001597- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
1598 instead of ints (reducing its size from 4 to 8 times thereby reducing
1599 Python's overall memory).
1600
Antoine Pitroud35cbf62009-01-06 19:02:24 +00001601- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
1602 an existing .py counterpart, override the co_filename attributes of all
1603 code objects if the original filename is obsolete (which can happen if the
1604 file has been renamed, moved, or if it is accessed through different paths).
1605 Patch by Ziga Seilnacht and Jean-Paul Calderone.
1606
Antoine Pitrouc3b39242009-01-03 16:59:18 +00001607- Issue #4580: Fix slicing of memoryviews when the item size is greater than
1608 one byte. Also fixes the meaning of len() so that it returns the number of
1609 items, rather than the size in bytes.
1610
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001611- Issue #4075: Use OutputDebugStringW in Py_FatalError.
1612
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +00001613- Issue #4747: When the terminal does not use utf-8, executing a script with
1614 non-ascii characters in its name could fail with a "SyntaxError: None" error.
1615
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001616- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +00001617 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001618
Antoine Pitrou7ddda782009-01-01 15:35:33 +00001619- Issue #3680: Reference cycles created through a dict, set or deque iterator
1620 did not get collected.
1621
Nick Coghlanf1f2f682008-12-30 07:29:12 +00001622- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
1623 where the tp_hash and tp_dict slots are both NULL.
1624
Georg Brandlccc47b62008-12-28 11:44:14 +00001625- Issue #4759: None is now allowed as the first argument of
1626 bytearray.translate(). It was always allowed for bytes.translate().
1627
Skip Montanaro80072cb2008-12-23 03:51:14 +00001628- Added test case to ensure attempts to read from a file opened for writing
1629 fail.
1630
Antoine Pitrou51f3ef92008-12-20 13:14:23 +00001631- Issue #3106: Speedup some comparisons (str/str and int/int).
1632
Antoine Pitrouf289ae62008-12-18 11:06:25 +00001633- Issue #2183: Simplify and optimize bytecode for list, dict and set
1634 comprehensions. Original patch for list comprehensions by Neal Norwitz.
1635
Antoine Pitrou621601a2008-12-17 23:18:19 +00001636- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
1637 print elapsed times, not only when some objects are uncollectable /
1638 unreachable. Original patch by Neil Schemenauer.
1639
Mark Dickinson54bc1ec2008-12-17 16:19:07 +00001640- Issue #3439: Add a bit_length method to int.
1641
Mark Dickinsonda2706b2008-12-11 18:03:03 +00001642- Issue #2173: When getting device encoding, check that return value of
1643 nl_langinfo is not the empty string. This was causing silent build
1644 failures on OS X.
1645
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +00001646- Issue #4597: Fixed several opcodes that weren't always propagating
1647 exceptions.
1648
1649- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +00001650 context manager returns a value that cannot be converted to a bool.
1651
Mark Dickinsonfd24b322008-12-06 15:33:31 +00001652- Issue #4445: Replace "sizeof(PyBytesObject)" with
1653 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
1654 bytes instances. On a typical machine this saves 3 bytes of memory
1655 (on average) per allocation of a bytes instance.
1656
Christian Heimesa872de52008-12-05 08:26:55 +00001657- Issue #4533: File read operation was dreadfully slow due to a slowly
1658 growing read buffer. Fixed by using the same growth rate algorithm as
1659 Python 2.x.
1660
Antoine Pitrou5504e892008-12-06 21:27:53 +00001661- Issue #4509: Various issues surrounding resize of bytearray objects to
1662 which there are buffer exports (e.g. memoryview instances).
1663
Georg Brandlf9734072008-12-07 15:30:06 +00001664- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
1665 method on file objects with closefd=False. The file descriptor is still
1666 kept open but the file object behaves like a closed file. The ``FileIO``
1667 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +00001668
Antoine Pitroubc420402008-12-07 20:14:49 +00001669- Issue #4569: Interpreter crash when mutating a memoryview with an item size
1670 larger than 1.
1671
Benjamin Peterson371ccfb2008-12-27 19:03:36 +00001672- Issue #4748: Lambda generators no longer return a value.
1673
Gregory P. Smithccc5ae72009-03-02 05:21:55 +00001674- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
1675
Walter Dörwaldc1651a02009-05-03 22:55:55 +00001676- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
1677 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
1678 step. This avoids problems with counting UTF-8 bytes that ignores the effect
1679 of using the replace error handler in PyUnicode_DecodeUTF8().
1680
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001681Library
1682-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001683
Tarek Ziadé04fe7c02009-10-25 23:08:47 +00001684- Issue #7071: byte-compilation in Distutils is now done with respect to
1685 sys.dont_write_bytecode.
1686
Tarek Ziadé978cca62009-10-24 13:38:27 +00001687- Issue #7066: archive_util.make_archive now restores the cwd if an error is
1688 raised. Initial patch by Ezio Melotti.
1689
Vinay Sajip96d4aa32009-10-16 14:06:44 +00001690- Issue #6516: Added owner/group support when creating tar archives in
Tarek Ziadé05b30342009-10-02 23:56:02 +00001691 Distutils.
1692
Tarek Ziadé31d46072009-09-21 13:55:19 +00001693- Issue #6954: Fixed crash when using DISTUTILS_DEBUG flag in Distutils.
1694
Tarek Ziadé165581c2009-09-09 08:48:07 +00001695- Issue #6163: Fixed HP-UX runtime library dir options in
1696 distutils.unixcompiler. Initial patch by Sridhar Ratnakumar and
1697 Michael Haubenwallner.
1698
Tarek Ziadé4a608c02009-08-20 21:28:05 +00001699- Issue #6693: New functions in site.py to get user/global site packages paths.
1700
Amaury Forgeot d'Arcbc347802009-07-28 22:18:57 +00001701- Issue #6511: ZipFile now raises BadZipfile (instead of an IOError) when
1702 opening an empty or very small file.
1703
1704- Issue #6545: Removed assert statements in distutils.Extension, so the
Tarek Ziadé2f19bb12009-07-22 08:57:28 +00001705 behavior is similar when used with -O.
1706
Benjamin Petersonbed7d042009-07-19 21:01:52 +00001707- unittest has been split up into a package. All old names should still work.
1708
Tarek Ziadéf8926b22009-07-16 16:18:19 +00001709- Issue #6466: now distutils.cygwinccompiler and distutils.emxccompiler
1710 uses the same refactored function to get gcc/ld/dllwrap versions numbers.
1711 It's `distutils.util.get_compiler_versions`. Added deprecation warnings
1712 for the obsolete get_versions() functions.
1713
Alexandre Vassalottie52e3782009-07-17 09:18:18 +00001714- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
1715
1716- Issue #6314: logging: Extra checks on the "level" argument in more places.
1717
1718- Issue #2622: Fixed an ImportError when importing email.messsage from a
1719 standalone application built with py2exe or py2app.
1720
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001721- Issue #6455: Fixed test_build_ext under win32.
Tarek Ziadéb7815e32009-07-10 09:14:31 +00001722
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001723- Issue #6377: Enabled the compiler option, and deprecate its usage as an
Tarek Ziadédd07ebb2009-07-06 13:52:17 +00001724 attribute.
1725
Tarek Ziadé05bf01a2009-07-04 02:04:21 +00001726- Issue #6413: Fixed the log level in distutils.dist for announce.
1727
Tarek Ziadée10d6de2009-07-03 08:33:28 +00001728- Issue #6403: Fixed package path usage in build_ext.
1729
Alexandre Vassalottie52e3782009-07-17 09:18:18 +00001730- Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was
1731 unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
1732 descriptor errors
1733
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001734- Issue #6365: Distutils build_ext inplace mode was copying the compiled
Tarek Ziadé0156f912009-06-29 16:19:22 +00001735 extension in a subdirectory if the extension name had dots.
1736
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001737- Issue #6164: Added an AIX specific linker argument in Distutils
Tarek Ziadé8f480e52009-06-28 21:30:52 +00001738 unixcompiler. Original patch by Sridhar Ratnakumar.
1739
Tarek Ziadé25bd2062009-06-28 21:26:27 +00001740- Issue #6286: Now Distutils upload command is based on urllib2 instead of
1741 httplib, allowing the usage of http_proxy.
1742
Tarek Ziadé5e06a652009-06-16 07:43:42 +00001743- Issue #6287: Added the license field in Distutils documentation.
1744
Tarek Ziadéff543362009-06-11 09:25:41 +00001745- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
1746
Tarek Ziadéabcc3f42009-06-11 08:31:17 +00001747- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
1748 in Makefiles. This prevents compile errors when using syntax like:
1749 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
1750
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +00001751- Issue #6131: test_modulefinder leaked when run after test_distutils.
1752 Patch by Hirokazu Yamamoto.
1753
Tarek Ziadé77c8b372009-05-28 13:01:13 +00001754- Issue #6048: Now Distutils uses the tarfile module in archive_util.
1755
Vinay Sajipaffbd872009-06-11 10:11:47 +00001756- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +00001757 and tests on pywin32 by Tim Golden.
1758
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +00001759- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
1760
Tarek Ziadéd18a84e2009-05-18 08:07:46 +00001761- Issue #6046: Fixed the library extension when distutils build_ext is used
1762 inplace. Initial patch by Roumen Petrov.
1763
Vinay Sajipaffbd872009-06-11 10:11:47 +00001764- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +00001765 subcommand.
1766
Tarek Ziadé4210c6e2009-05-14 20:20:47 +00001767- Issue #6022: a test file was created in the current working directory by
1768 test_get_outputs in Distutils.
1769
Tarek Ziadéff0e5002009-05-12 17:14:01 +00001770- Issue #5977: distutils build_ext.get_outputs was not taking into account the
1771 inplace option. Initial patch by kxroberto.
1772
Tarek Ziadé06fbee12009-05-10 10:34:01 +00001773- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
1774 for old-style extensions.
1775
Tarek Ziadébe5b1b92009-05-09 10:09:11 +00001776- Issue #5976: Fixed Distutils test_check_environ.
1777
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00001778- Issue #5941: Distutils build_clib command was not working anymore because
1779 of an incomplete costumization of the archiver command. Added ARFLAGS in the
1780 Makefile besides AR and make Distutils use it. Original patch by David
1781 Cournapeau.
1782
R. David Murrayb507d2e2009-04-29 15:34:32 +00001783- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
1784
Vinay Sajipaffbd872009-06-11 10:11:47 +00001785- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +00001786 anymore.
1787
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001788- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +00001789 sysconfig.get_config_vars.
1790
Tarek Ziadé23336082009-04-25 12:39:56 +00001791- Issue #4951: Fixed failure in test_httpservers.
1792
Thomas Hellerd3cfe992009-04-24 20:10:24 +00001793- Issue #5795: Fixed test_distutils failure on Debian ppc.
1794
Tarek Ziadé822e1d42009-04-13 12:37:57 +00001795- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
1796
Georg Brandl1f9fa312009-04-27 16:42:58 +00001797- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
1798 a value in SafeConfigParser.
1799
Tarek Ziadéf396ecf2009-04-11 15:00:43 +00001800- Issue #5732: added a new command in Distutils: check.
1801
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001802- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +00001803 platforms. Initial patch by Paul Moore.
1804
Tarek Ziadéf6370502009-04-05 22:57:21 +00001805- Issue #5095: Added bdist_msi to the list of bdist supported formats.
1806 Initial fix by Steven Bethard.
1807
Tarek Ziadé889b0aa2009-04-05 21:49:36 +00001808- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
1809 Initial fix by Wayne Davison.
1810
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001811- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +00001812
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001813- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +00001814
Brett Cannonf47e84c2009-04-01 16:06:01 +00001815- Issue #1665206 (partially): Move imports in cgitb to the top of the module
1816 instead of performing them in functions. Helps prevent import deadlocking in
1817 threads.
1818
R. David Murraye59482e2009-04-01 03:42:00 +00001819- Issue #2522: locale.format now checks its first argument to ensure it has
1820 been passed only one pattern, avoiding mysterious errors where it appeared
1821 that it was failing to do localization.
1822
Tarek Ziadéb2e36f12009-03-31 22:37:55 +00001823- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
1824 Brandl.
1825
Antoine Pitrou350370c2009-03-14 00:13:13 +00001826- Issue #1222: locale.format() bug when the thousands separator is a space
1827 character.
1828
Tarek Ziadé516db942009-03-11 12:52:00 +00001829- Issue #5472: Fixed distutils.test_util tear down. Original patch by
1830 Tim Golden.
1831
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +00001832- collections.deque() objects now have a read-only attribute called maxlen.
1833
Guilherme Polof45b4cc2009-03-07 02:19:14 +00001834- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
1835 it is has been populated and properly configured in order to prevent
1836 window flashing.
1837
Guilherme Polo56f5be52009-03-07 01:54:57 +00001838- Issue #4792: Prevent a segfault in _tkinter by using the
1839 guaranteed to be safe interp argument given to the PythonCmd in place of
1840 the Tcl interpreter taken from a PythonCmd_ClientData.
1841
1842- Issue #5193: Guarantee that tkinter.Text.search returns a string.
1843
Tarek Ziadé63b64c02009-03-07 00:51:53 +00001844- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
1845 Original patch by Akira Kitada.
1846
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00001847- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
1848
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00001849- Issue #5385: Fixed mmap crash after resize failure on windows.
1850
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00001851- Issue #5179: Fixed subprocess handle leak on failure on windows.
1852
Raymond Hettinger2d32f632009-03-02 21:24:57 +00001853- PEP 372: Added collections.OrderedDict().
1854
Raymond Hettingera4f52b12009-03-02 22:28:31 +00001855- The _asdict() for method for namedtuples now returns an OrderedDict().
1856
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00001857- configparser now defaults to using an ordered dictionary.
1858
Benjamin Petersone0124bd2009-03-09 21:04:33 +00001859- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
1860 import guess_extension`` was used.
1861
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00001862- Issue #1733986: Fixed mmap crash in accessing elements of second map object
1863 with same tagname but larger size than first map. (Windows)
1864
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00001865- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
1866 overrun.
1867
Tarek Ziadéf0721222009-02-28 10:16:43 +00001868- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
1869 bdist_rpm command.
1870
1871- Issue #5378: added --quiet option to Distutils bdist_rpm command.
1872
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001873- Issue #5052: make Distutils compatible with 2.3 again.
1874
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00001875- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
1876 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001877
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001878- Issue #5287: Add exception handling around findCaller() call to help out
1879 IronPython.
1880
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00001881- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
1882 The file was resized to wrong size.
1883
1884- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
1885
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001886- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00001887 from the package_data and the data_files metadata.
1888
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001889- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00001890 support.TempdirManager, to avoid writing in the tests directory.
1891
Tarek Ziadé68c50952009-02-13 23:04:17 +00001892- Issue #4524: distutils build_script command failed with --with-suffix=3.
1893 Initial patch by Amaury Forgeot d'Arc.
1894
Tarek Ziadé811d6242009-02-13 22:26:15 +00001895- Issue #2461: added tests for distutils.util
1896
Mark Dickinsonc28ad272009-02-12 17:58:36 +00001897- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
1898 which inherited from numbers.py which did not have __slots__ defined. The
1899 numbers hierarchy now has its own __slots__ declarations.
1900
Antoine Pitroub353c122009-02-11 00:39:14 +00001901- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
1902 encoding.
1903
Thomas Heller465c8022009-02-10 18:59:04 +00001904- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
1905 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
1906
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00001907- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
1908 under NT and OS2. Patch by Philip Jenvey.
1909
Brett Cannonbefb14f2009-02-10 02:10:16 +00001910- Issue #5128: Make compileall properly inspect bytecode to determine if needs
1911 to be recreated. This avoids a timing hole thanks to the old reliance on the
1912 ctime of the files involved.
1913
Guilherme Polob681df42009-02-09 22:33:59 +00001914- Issue #5122: Synchronize tk load failure check to prevent a potential
1915 deadlock.
1916
Benjamin Petersona86f2c02009-02-10 02:41:10 +00001917- Issue #1818: collections.namedtuple() now supports a keyword argument
1918 'rename' which lets invalid fieldnames be automatically converted to
1919 positional names in the form, _1, _2, ...
1920
Guilherme Poloae098992009-02-09 16:44:24 +00001921- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
1922
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00001923- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
1924 public documented method ``ZipImporter.get_filename()``.
1925
Nick Coghlan3f48ae32009-02-08 01:58:26 +00001926- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
1927 the execution of packages by looking for and executing a ``__main__``
1928 submodule when a package name is supplied. Initial patch by Andi
1929 Vajda.
1930
Guilherme Polo491aee22009-02-06 23:16:11 +00001931- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
1932 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
1933 Tkapp_Call when calling from a thread different than the one that created
1934 the Tcl interpreter. Patch by Robert Hancock.
1935
Eric Smith0e5b5622009-02-06 01:32:42 +00001936- Issue #4285: Change sys.version_info to be a named tuple. Patch by
1937 Ross Light.
1938
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001939- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00001940 environment/Makefile. Patch by Douglas Greiman.
1941
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00001942- Issue #1276768: The verbose option was not used in the code of
1943 distutils.file_util and distutils.dir_util.
1944
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001945- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00001946 --enabled-shared activated. Initial patch by Dave Peterson.
1947
Guilherme Polo7f423952009-02-02 21:17:09 +00001948- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
1949
Raymond Hettinger85602262009-02-03 04:19:10 +00001950- The shelve module now defaults to pickle protocol 3.
1951
Brett Cannone61426e2009-01-30 01:31:34 +00001952- Fix a bug in the trace module where a bytes object from co_lnotab had its
1953 items being passed through ord().
1954
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00001955- Issue #2047: shutil.move() could believe that its destination path was
1956 inside its source path if it began with the same letters (e.g. "src" vs.
1957 "src.new").
1958
Guilherme Polo5f238482009-01-28 14:41:10 +00001959- Added the ttk module. See issue #2983: Ttk support for Tkinter.
1960
Raymond Hettinger89e12962009-01-26 02:09:03 +00001961- Removed isSequenceType(), isMappingType, and isNumberType() from the
1962 operator module; use the abstract base classes instead. Also removed
1963 the repeat() function; use mul() instead.
1964
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001965- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00001966 collections.namedtuple() relied on __name__ being defined.
1967
1968- Backport importlib from Python 3.1. Only the import_module() function has
1969 been backported to help facilitate transitions from 2.7 to 3.1.
1970
Tarek Ziadé0302cf52009-01-26 17:23:20 +00001971- Issue #1885: distutils. When running sdist with --formats=tar,gztar
1972 the tar file was overriden by the gztar one.
1973
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00001974- Issue #4863: distutils.mwerkscompiler has been removed.
1975
Raymond Hettingerd07d9392009-01-27 04:20:44 +00001976- Added a new itertools functions: combinations_with_replacement()
1977 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00001978
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001979- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00001980 allowed non-integer arguments.
1981
Jesse Noller41faa542009-01-25 03:45:53 +00001982- Fix and properly document the multiprocessing module's logging
1983 support, expose the internal levels and provide proper usage
1984 examples.
1985
Mark Dickinsoncddcf442009-01-24 21:46:33 +00001986- Issue #1672332: fix unpickling of subnormal floats, which was
1987 producing a ValueError on some platforms.
1988
Martin v. Löwisacbf4612009-01-24 16:19:45 +00001989- Issue #3881: Help Tcl to load even when started through the
1990 unreadable local symlink to "Program Files" on Vista.
1991
Martin v. Löwis59e47792009-01-24 14:10:07 +00001992- Issue #4710: Extract directories properly in the zipfile module;
1993 allow adding directories to a zipfile.
1994
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001995- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00001996 --without-threads argument. When this occurs, _multiprocessing will
1997 be disabled, and not compiled.
1998
Antoine Pitrou08838b62009-01-21 00:55:13 +00001999- Issue #5008: When a file is opened in append mode with the new IO library,
2000 do an explicit seek to the end of file (so that e.g. tell() returns the
2001 file size rather than 0). This is consistent with the behaviour of the
2002 traditional 2.x file object.
2003
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002004- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
2005 parameter was set.
2006
Mark Dickinson8dd05142009-01-20 20:43:58 +00002007- Issue #4842: Always append a trailing 'L' when pickling longs using
2008 pickle protocol 0. When reading, the 'L' is optional.
2009
Brett Cannonafccd632009-01-20 02:21:27 +00002010- Add the importlib package.
2011
Jesse Noller9a0fc972009-01-18 21:12:58 +00002012- Issue #4301: Patch the logging module to add processName support, remove
2013 _check_logger_class from multiprocessing.
2014
Jesse Noller1cbb17a2009-01-18 19:45:18 +00002015- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002016 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00002017
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00002018- Issue #4959: inspect.formatargspec now works for keyword only arguments
2019 without defaults.
2020
Jesse Noller6214edd2009-01-19 16:23:53 +00002021- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
2022 for *nix machines for negative handles and large int handles. Without this check
2023 it is possible to segfault the interpreter.
2024
Jesse Nollerb0516a62009-01-18 03:11:38 +00002025- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
2026 in sharedctypes.py.
2027
2028- Issue #1225107: inspect.isclass() returned True for instances with a custom
2029 __getattr__.
2030
Gregory P. Smithde3369f2009-01-12 04:50:11 +00002031- Issue #3826 and #4791: The socket module now closes the underlying socket
2032 appropriately when it is being used via socket.makefile() objects
2033 rather than delaying the close by waiting for garbage collection to do it.
2034
Raymond Hettingerb8baf632009-01-14 02:20:07 +00002035- Issue #1696199: Add collections.Counter() for rapid and convenient
2036 counting.
2037
Antoine Pitrou308705e2009-01-10 16:22:51 +00002038- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
2039
Thomas Heller5e4e4272009-01-08 09:34:20 +00002040- Issue #4867: Fixed a crash in ctypes when passing a string to a
2041 function without defining argtypes.
2042
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00002043- Issue #4272: Add an optional argument to the GzipFile constructor to override
2044 the timestamp in the gzip stream. The default value remains the current time.
2045 The information can be used by e.g. gunzip when decompressing. Patch by
2046 Jacques Frechet.
2047
Mark Dickinson315a20a2009-01-04 21:34:18 +00002048- Restore Python 2.3 compatibility for decimal.py.
2049
Guilherme Polo3f5f8222009-01-03 22:00:39 +00002050- Issue #3638: Remove functions from _tkinter module level that depend on
2051 TkappObject to work with multiple threads.
2052
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002053- Issue #4718: Adapt the wsgiref package so that it actually works with
2054 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00002055 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
2056
Raymond Hettinger771ed762009-01-03 19:20:32 +00002057- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
2058 to the decimal module.
2059
Georg Brandl3a9b0622009-01-03 22:07:57 +00002060- Fractions.from_float() no longer loses precision for integers too big to
2061 cast as floats.
2062
Mark Dickinsonf9236412009-01-02 23:23:21 +00002063- Issue #4812: add missing underscore prefix to some internal-use-only
2064 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
2065
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002066- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00002067 did unnecessary work in the common case where no key function was specified.
2068
Georg Brandlb1441c72009-01-03 22:33:39 +00002069- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
2070 the function is not a generator.
2071
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002072- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
2073 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00002074
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002075- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00002076 function. Original patch by Thomas Heller.
2077
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00002078- Issue #3767: Convert Tk object to string in tkColorChooser.
2079
Martin v. Löwise354d782008-12-29 16:03:04 +00002080- Issue #3248: Allow placing ScrolledText in a PanedWindow.
2081
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00002082- Issue #4444: Allow assertRaises() to be used as a context handler, so that
2083 the code under test can be written inline if more practical.
2084
Georg Brandldb7b6b92009-01-01 15:53:14 +00002085- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
2086 works as expected in the interactive environment.
2087
Antoine Pitroudb5fe662008-12-27 15:50:40 +00002088- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
2089 Gabriel Genellina.
2090
Antoine Pitrou180a3362008-12-14 16:36:46 +00002091- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
2092 boundary.
2093
Nick Coghlanf088e5e2008-12-14 11:50:48 +00002094- Issue #4223: inspect.getsource() will now correctly display source code
2095 for packages loaded via zipimport (or any other conformant PEP 302
2096 loader). Original patch by Alexander Belopolsky.
2097
2098- Issue #4201: pdb can now access and display source code loaded via
2099 zipimport (or any other conformant PEP 302 loader). Original patch by
2100 Alexander Belopolsky.
2101
2102- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
2103 302 conformant loader) will now work correctly in most cases (they
2104 are still subject to the constraints that exist for all code running
2105 from inside a module loaded via a PEP 302 loader and attempting to
2106 perform IO operations based on __file__). Original patch by
2107 Alexander Belopolsky.
2108
2109- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
2110 allows backporting to maintenance branches. Original patch by
2111 Alexander Belopolsky.
2112
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00002113- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
2114 a non-ASCII letter.
2115
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00002116- Issue #4616: TarFile.utime(): Restore directory times on Windows.
2117
Benjamin Peterson433f32c2008-12-12 01:25:05 +00002118- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
2119 codec cannot be found. This is for compatibility with the builtin behavior.
2120
Facundo Batista708d5812008-12-11 04:20:07 +00002121- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
2122 give correct results in the case where one argument is a quiet NaN
2123 and the other is a finite number that requires rounding.
2124
Skip Montanaroc1ce2862008-12-06 17:25:02 +00002125- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
2126 libs.
2127
Georg Brandlf9734072008-12-07 15:30:06 +00002128- Added the subprocess.check_call_output() convenience function to get output
2129 from a subprocess on success or raise an exception on error.
2130
2131- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
2132 support unusual filenames (such as those containing semi-colons) in
2133 Content-Disposition headers.
2134
2135- Issue #4384: Added logging integration with warnings module using
2136 captureWarnings(). This change includes a NullHandler which does nothing;
2137 it will be of use to library developers who want to avoid the "No handlers
2138 could be found for logger XXX" message which can appear if the library user
2139 doesn't configure logging.
2140
2141- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
2142 exception.
2143
Georg Brandleee31162008-12-07 15:15:22 +00002144- Issue #4529: fix the parser module's validation of try-except-finally
2145 statements.
2146
2147- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
2148 not a malformed option.
2149
2150- Added the subprocess.check_output() convenience function to get output
2151 from a subprocess on success or raise an exception on error.
2152
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00002153- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
2154 the corresponding tests now pass.
2155
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00002156- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
2157 it was calling the wrong open() function.
2158
Fred Drake9a0a65b2008-12-04 19:24:50 +00002159- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
2160 support unusual filenames (such as those containing semi-colons) in
2161 Content-Disposition headers.
2162
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00002163- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
2164 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
2165
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00002166- Issue #5104: The socket module now raises OverflowError when 16-bit port and
2167 protocol numbers are supplied outside the allowed 0-65536 range on bind()
2168 and getservbyport().
2169
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00002170- Windows locale mapping updated to Vista.
2171
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00002172Tools/Demos
2173-----------
2174
Antoine Pitrou8a681222009-02-07 17:13:31 +00002175- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
2176 and make it 2.6-compatible.
2177
Guilherme Poloa7d27972009-01-28 16:06:51 +00002178- Ttk demos added in Demo/tkinter/ttk/
2179
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00002180- Issue #4677: add two list comprehension tests to pybench.
2181
Georg Brandlb1441c72009-01-03 22:33:39 +00002182
2183Build
2184-----
2185
Benjamin Petersonf53eec82009-05-23 19:36:27 +00002186- Issue #6094: Build correctly with Subversion 1.7.
2187
Martin v. Löwis8482ef92009-05-05 16:14:30 +00002188- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
2189
Antoine Pitrou8966c992009-05-01 21:18:27 +00002190- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
2191 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
2192
Matthias Klose55708cc2009-04-30 08:06:49 +00002193- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00002194 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00002195
Matthias Klose906785c2009-02-22 23:18:38 +00002196- Link the shared python library with $(MODLIBS).
2197
Martin v. Löwis11f72102009-02-10 13:13:30 +00002198- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
2199
Martin v. Löwisbc186a82009-02-02 15:32:22 +00002200- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
2201
Martin v. Löwise97637d2009-01-11 09:45:11 +00002202- Issue #4895: Use _strdup on Windows CE.
2203
Georg Brandlb1441c72009-01-03 22:33:39 +00002204- Issue #4472: "configure --enable-shared" now works on OSX
2205
2206- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
2207
2208- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
2209
2210- Issue #4289: Remove Cancel button from AdvancedDlg.
2211
2212- Issue #1656675: Register a drop handler for .py* files on Windows.
2213
2214- Issue #4120: Exclude manifest from extension modules in VS2008.
2215
2216- Issue #4091: Install pythonxy.dll in system32 again.
2217
2218- Issue #4018: Disable "for me" installations on Vista.
2219
2220- Issue #3758: Add ``patchcheck`` build target to .PHONY.
2221
2222- Issue #4204: Fixed module build errors on FreeBSD 4.
2223
2224
2225C-API
2226-----
2227
Sean Reifscheider642d96a2009-08-01 23:55:06 +00002228- Issue #6624: yArg_ParseTuple with "s" format when parsing argument with
2229 NUL: Bogus TypeError detail string.
2230
Mark Dickinson21776072009-02-10 16:13:25 +00002231- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
2232 for negative arguments. Previously, it raised TypeError.
2233
Georg Brandlb1441c72009-01-03 22:33:39 +00002234- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
2235
2236- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
2237 the GIL is released, or owned by another thread.
2238
2239- Issue #4122: On Windows, fix a compilation error when using the
2240 Py_UNICODE_ISSPACE macro in an extension module.
2241
2242
Mark Dickinsone675f082008-12-11 21:56:00 +00002243Extension Modules
2244-----------------
2245
Gregory P. Smith365a1862009-02-12 07:35:29 +00002246- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
2247 supporting objects as input no matter how it was compiled (built in
2248 implementations or external openssl library).
2249
Mark Dickinson29500f62009-01-15 15:36:10 +00002250- Issue #4397: Fix occasional test_socket failure on OS X.
2251
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00002252- Issue #4279: Fix build of parsermodule under Cygwin.
2253
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00002254- Issue #4751: hashlib now releases the GIL when hashing large buffers
2255 (with a hardwired threshold of 2048 bytes), allowing better parallelization
2256 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
2257
Martin v. Löwis5c88d812009-01-02 20:47:48 +00002258- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
2259
Antoine Pitrou31f30b12009-01-02 17:34:35 +00002260- Issue #4738: Each zlib object now has a separate lock, allowing to compress
2261 or decompress several streams at once on multi-CPU systems. Also, the GIL
2262 is now released when computing the CRC of a large buffer. Patch by ebfe.
2263
Georg Brandlb1441c72009-01-03 22:33:39 +00002264- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
2265
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00002266- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
2267
Mark Dickinsone675f082008-12-11 21:56:00 +00002268- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
2269 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00002270
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00002271- Issue #4583: array.array would not always prohibit resizing when a buffer
2272 has been exported, resulting in an interpreter crash when accessing the
2273 buffer.
2274
Martin v. Löwis841edad2008-11-30 10:36:49 +00002275
Jack Diederiche0cbd692009-04-01 04:27:09 +00002276- Issue #5228: Make functools.partial objects can now be pickled.
2277
Guilherme Polo9de29af2009-01-28 20:40:48 +00002278Tests
2279-----
2280
Antoine Pitrou88909542009-06-29 13:54:42 +00002281- Issue #6152: New option '-j'/'--multiprocess' for regrtest allows running
2282 regression tests in parallel, shortening the total runtime.
2283
Guilherme Polo2a998fa2009-06-21 17:40:07 +00002284- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
2285 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
2286 the same behaviour as test_ttkguionly (and now also test_tk) which is to
2287 skip the tests if DISPLAY is defined but can't be used.
2288
R. David Murraya21e4ca2009-03-31 23:16:50 +00002289- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00002290 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00002291 from test support, which does the conversion.
2292
Guilherme Polo9de29af2009-01-28 20:40:48 +00002293- Issue #5083: New 'gui' resource for regrtest.
2294
2295
Brett Cannon7317c1e2008-11-25 19:19:17 +00002296Docs
2297----
2298
Georg Brandl52b92cc2008-05-25 09:43:03 +00002299
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00002300**(For information about older versions, consult the HISTORY file.)**