blob: 666139f104fc4411052ab89edcf1dcf980227698 [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
R. David Murraybe0698b2010-02-23 22:57:58 +0000257- Issue #1537721: Add a writeheader() method to csv.DictWriter.
258
Thomas Heller5117b0b2010-02-23 20:25:02 +0000259- Issue #7959: ctypes callback functions are now registered correctly
260 with the cylce garbage collector.
261
Tarek Ziadé8e615ae2010-02-23 06:00:04 +0000262- Issue #5801: removed spurious empty lines in wsgiref.
263
Andrew M. Kuchlinge1f9beb2010-02-22 22:16:58 +0000264- Issue #6666: fix bug in trace.py that applied the list of directories
265 to be ignored only to the first file. Noted by Bogdan Opanchuk.
266
Andrew M. Kuchlingfbacb062010-02-22 16:52:52 +0000267- Issue #7597: curses.use_env() can now be called before initscr().
268 Noted by Kan-Ru Chen.
269
Ezio Melotti19e4acf2010-02-22 15:59:01 +0000270- Issue #7310: fix the __repr__ of os.environ to show the environment variables.
271
R. David Murray57c45ac2010-02-21 04:39:40 +0000272- Issue #7970: email.Generator.flatten now correctly flattens message/rfc822
273 messages parsed by email.Parser.HeaderParser.
274
Brett Cannonef7d6722010-02-19 16:04:36 +0000275- Issue #7361: Importlib was not properly checking the number of bytes in
276 bytecode file when it was less then 8 bytes.
277
Mark Dickinson84230a12010-02-18 14:49:50 +0000278- Issue #7633: In the decimal module, Context class methods (with the
279 exception of canonical and is_canonical) now accept instances of int
280 and long wherever a Decimal instance is accepted, and implicitly
281 convert that argument to Decimal. Previously only some arguments
282 were converted.
283
R. David Murray1f449142010-02-11 00:15:05 +0000284- Issue #7835: shelve should no longer produce mysterious warnings during
285 interpreter shutdown.
286
Antoine Pitrou99f69ee2010-02-09 17:25:47 +0000287- Issue #2746: Don't escape ampersands and angle brackets ("&", "<", ">")
288 in XML processing instructions and comments. These raw characters are
289 allowed by the XML specification, and are necessary when outputting e.g.
290 PHP code in a processing instruction. Patch by Neil Muller.
291
Antoine Pitrouc77dd322010-02-09 16:51:16 +0000292- Issue #6233: ElementTree failed converting unicode characters to XML
293 entities when they could't be represented in the requested output
294 encoding. Patch by Jerry Chen.
295
Ronald Oussorenee5c8852010-02-07 20:24:02 +0000296- Issue #6003: add an argument to ``zipfile.Zipfile.writestr`` to
297 specify the compression type.
298
Antoine Pitroub6375f12010-02-04 20:23:24 +0000299- Issue #4772: Raise a ValueError when an unknown Bluetooth protocol is
300 specified, rather than fall through to AF_PACKET (in the `socket` module).
301 Also, raise ValueError rather than TypeError when an unknown TIPC address
302 type is specified. Patch by Brian Curtin.
303
Antoine Pitrou905a2ff2010-01-31 22:47:27 +0000304- Issue #6939: Fix file I/O objects in the `io` module to keep the original
305 file position when calling `truncate()`. It would previously change the
306 file position to the given argument, which goes against the tradition of
307 ftruncate() and other truncation APIs. Patch by Pascal Chambon.
308
Antoine Pitroua32f9a22010-01-27 21:18:57 +0000309- Issue #7610: Reworked implementation of the internal
310 :class:`zipfile.ZipExtFile` class used to represent files stored inside
311 an archive. The new implementation is significantly faster and can
312 be wrapped in a :class:`io.BufferedReader` object for more speedups.
313 It also solves an issue where interleaved calls to `read()` and
314 `readline()` give wrong results. Patch by Nir Aides.
315
Jesse Noller1f0b6582010-01-27 03:36:01 +0000316- Issue #6963: Added "maxtasksperchild" argument to multiprocessing.Pool,
317 allowing for a maximum number of tasks within the pool to be completed by
318 the worker before that worker is terminated, and a new one created to
319 replace it.
320
Benjamin Petersond6326642010-01-27 02:25:58 +0000321- Issue #7792: Registering non-classes to ABCs raised an obscure error.
322
Benjamin Peterson9a11a362010-01-27 01:51:29 +0000323- Issue #7785: Don't accept bytes in FileIO.write().
Benjamin Peterson255058f2010-01-27 01:47:14 +0000324
Ezio Melotti38f00332010-01-25 12:39:47 +0000325- Removed the functions 'verify' and 'vereq' from Lib/test/support.py.
326
Benjamin Peterson25001472010-01-25 03:37:42 +0000327- Issue #7773: Fix an UnboundLocalError in platform.linux_distribution() when
328 the release file is empty.
329
Antoine Pitrou1119a642010-01-17 12:16:23 +0000330- Issue #7561: Fix crashes when using bytearray objects with the posix
331 module.
332
R. David Murraya8f480f2010-01-16 18:30:03 +0000333- Issue #1670765: Prevent email.generator.Generator from re-wrapping
334 headers in multipart/signed MIME parts, which fixes one of the sources of
335 invalid modifications to such parts by Generator.
336
Antoine Pitrou747e8b32010-01-16 17:55:52 +0000337- Issue #7703: Add support for the new buffer API to `binascii.a2bhqx`.
338 Patch by Florent Xicluna, along with some additional tests.
339
Antoine Pitrou2843aa82010-01-15 00:27:43 +0000340- Issue #7701: Fix crash in binascii.b2a_uu() in debug mode when given a
341 1-byte argument. Patch by Victor Stinner.
342
Antoine Pitrou82feb1f2010-01-14 17:34:48 +0000343- Issue #3299: Fix possible crash in the _sre module when given bad
344 argument values in debug mode. Patch by Victor Stinner.
345
Antoine Pitrou8e33fd72010-01-13 14:37:26 +0000346- Issue #2846: Add support for gzip.GzipFile reading zero-padded files.
347 Patch by Brian Curtin.
348
Benjamin Peterson5efea042010-01-13 03:49:50 +0000349- Issue #7681: Use floor division in appropiate places in the wave module.
350
Tarek Ziadéac4e6ea2010-01-11 23:15:52 +0000351- Issue #5372: Drop the reuse of .o files in Distutils' ccompiler (since
352 Extension extra options may change the output without changing the .c
353 file). Initial patch by Collin Winter.
354
Tarek Ziadéaf77a2f2010-01-08 23:57:53 +0000355- Issue #7617: Make sure distutils.unixccompiler.UnixCCompiler recognizes
356 gcc when it has a fully qualified configuration prefix. Initial patch
357 by Arfrever.
358
Antoine Pitrouc1baa602010-01-08 17:54:23 +0000359- Issue #7105: Make WeakKeyDictionary and WeakValueDictionary robust against
360 the destruction of weakref'ed objects while iterating.
361
Antoine Pitrou01a15ea2010-01-07 17:57:31 +0000362- Issue #7455: Fix possible crash in cPickle on invalid input. Patch by
363 Victor Stinner.
364
Gregory P. Smithaafdca82010-01-04 04:50:36 +0000365- Issue #1628205: Socket file objects returned by socket.socket.makefile() now
366 properly handles EINTR within the read, readline, write & flush methods.
367 The socket.sendall() method now properly handles interrupted system calls.
368
Antoine Pitroub1f88352010-01-03 22:37:40 +0000369- Issue #7471: Improve the performance of GzipFile's buffering mechanism,
370 and make it implement the `io.BufferedIOBase` ABC to allow for further
371 speedups by wrapping it in an `io.BufferedReader`. Patch by Nir Aides.
372
373- Issue #3972: http.client.HTTPConnection now accepts an optional source_address
Gregory P. Smithb4066372010-01-03 03:28:29 +0000374 parameter to allow specifying where your connections come from.
375
376- socket.create_connection now accepts an optional source_address parameter.
377
Ezio Melottifaa6b7f2009-12-30 12:34:59 +0000378- Issue #5511: now zipfile.ZipFile can be used as a context manager.
379 Initial patch by Brian Curtin.
380
Tarek Ziadéc60ea322009-12-21 23:12:41 +0000381- Issue #7556: Make sure Distutils' msvc9compile reads and writes the
382 MSVC XML Manifest file in text mode so string patterns can be used
383 in regular expressions.
384
Tarek Ziadé8b9361a2009-12-21 00:02:20 +0000385- Issue #7552: Removed line feed in the base64 Authorization header in
386 the Distutils upload command to avoid an error when PyPI reads it.
387 This occurs on long passwords. Initial patch by JP St. Pierre.
388
Senthil Kumaran47fff872009-12-20 07:10:31 +0000389- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
390 Tatsuhiro Tsujikawa.
391
Antoine Pitrou77b338b2009-12-14 18:00:06 +0000392- Issue #4757: `zlib.compress` and other methods in the zlib module now
393 raise a TypeError when given an `str` object (rather than a `bytes`-like
394 object). Patch by Victor Stinner and Florent Xicluna.
395
Benjamin Petersonbf5ff762009-12-13 19:25:34 +0000396- Issue #7349: Make methods of file objects in the io module accept None as an
397 argument where file-like objects (ie StringIO and BytesIO) accept them to mean
398 the same as passing no argument.
399
Lars Gustäbel365aff32009-12-13 11:42:29 +0000400- Issue #7357: tarfile no longer suppresses fatal extraction errors by
401 default.
402
R. David Murraye8dc2582009-12-10 02:08:06 +0000403- Issue #5949: added check for correct lineends in input from IMAP server
404 in imaplib.
405
Raymond Hettingere5fdedb2009-12-10 00:47:21 +0000406- Add a reverse() method to collections.deque().
407
Raymond Hettinger3f9afd82009-12-10 03:03:02 +0000408- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
409
Antoine Pitrou781eba72009-12-08 15:57:31 +0000410- Issue #6986: Fix crash in the JSON C accelerator when called with the
411 wrong parameter types. Patch by Victor Stinner.
412
Tarek Ziadéb88a4962009-12-08 09:45:25 +0000413- Issue #7457: added a read_pkg_file method to
414 distutils.dist.DistributionMetadata.
415
Vinay Sajip540f2152009-12-06 17:57:11 +0000416- logging: Added optional `secure` parameter to SMTPHandler, to enable use of
417 TLS with authentication credentials.
418
Tarek Ziadédf872d42009-12-06 09:28:17 +0000419- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is
420 generated in Distutils. Patch by Stephen Emslie.
421
Martin v. Löwis1679ea82009-12-03 20:57:49 +0000422- Issue #4120: Drop reference to CRT from manifest when building extensions with
423 msvc9compiler.
424
Antoine Pitroub7572f02009-12-02 20:46:48 +0000425- Issue #7333: The `posix` module gains an `initgroups()` function providing
426 access to the initgroups(3) C library call on Unix systems which implement
427 it. Patch by Jean-Paul Calderone.
428
Tarek Ziadéacafc2d2009-11-29 22:24:57 +0000429- Issue #7408: Fixed distutils.tests.sdist so it doesn't check for group
430 ownership when the group is not forced, because the group may be different
431 from the user's group and inherit from its container when the test is run.
432
Antoine Pitrou7b0d4a22009-11-28 16:12:28 +0000433- Issue #4486: When an exception has an explicit cause, do not print its
434 implicit context too. This affects the `traceback` module as well as
435 built-in exception printing.
436
Antoine Pitrou1fc0d2b2009-11-28 15:58:27 +0000437- Issue #1515: Enable use of deepcopy() with instance methods. Patch by
438 Robert Collins.
439
Vinay Sajip03f6c112009-11-27 14:03:36 +0000440- Issue #7403: logging: Fixed possible race condition in lock creation.
441
Antoine Pitrou648bcd72009-11-27 13:23:26 +0000442- Issue #6845: Add restart support for binary upload in ftplib. The
443 `storbinary()` method of FTP and FTP_TLS objects gains an optional `rest`
444 argument. Patch by Pablo Mouzo.
445
Antoine Pitroube6859d2009-11-25 23:02:32 +0000446- Issue #5788: `datetime.timedelta` objects get a new `total_seconds()`
447 method returning the total number of seconds in the duration. Patch by
448 Brian Quinlan.
449
Antoine Pitrou7d7aede2009-11-25 18:55:32 +0000450- Issue #7133: SSL objects now support the new buffer API.
451
Senthil Kumaran758025c2009-11-23 19:02:52 +0000452- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters
453
Lars Gustäbel9520a432009-11-22 18:48:49 +0000454- Issue #6123: tarfile now opens empty archives correctly and consistently
455 raises ReadError on empty files.
456
Tarek Ziadé26afd482009-11-19 05:39:00 +0000457- Issue #7354: distutils.tests.test_msvc9compiler - dragfullwindows can
458 be 2.
459
Benjamin Peterson3ec9b6e2009-11-19 21:22:27 +0000460- Issue #5037: Proxy the __bytes__ special method instead to __bytes__ instead
461 of __str__.
Benjamin Peterson32019772009-11-19 03:08:32 +0000462
Lars Gustäbel7b465392009-11-18 20:29:25 +0000463- Issue #7341: Close the internal file object in the TarFile constructor in
464 case of an error.
465
Tarek Ziadé11c9d252009-11-18 09:32:34 +0000466- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
467 Windows box. Help provided by David Bolen.
468
Antoine Pitrouf988cd02009-11-17 20:21:14 +0000469- Issue #2054: ftplib now provides an FTP_TLS class to do secure FTP using
470 TLS or SSL. Patch by Giampaolo Rodola'.
471
Nick Coghlan106274b2009-11-15 23:04:33 +0000472- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch
473
Antoine Pitroub8108e22009-11-15 14:25:16 +0000474- Issue #4969: The mimetypes module now reads the MIME database from
475 the registry under Windows. Patch by Gabriel Genellina.
476
Nick Coghlan260bd3e2009-11-16 06:49:25 +0000477- Issue #6816: runpy now provides a run_path function that allows Python code
478 to execute file paths that refer to source or compiled Python files as well
479 as zipfiles, directories and other valid sys.path entries that contain a
480 __main__.py file. This allows applications that run other Python scripts to
481 support the same flexibility as the CPython command line itself.
482
Antoine Pitrou45d61a32009-11-13 22:35:18 +0000483- Issue #7318: multiprocessing now uses a timeout when it fails to establish
484 a connection with another process, rather than looping endlessly. The
485 default timeout is 20 seconds, which should be amply sufficient for
486 local connections.
487
Antoine Pitrouc63ecee2009-11-10 21:34:48 +0000488- Issue #7197: Allow unittest.TextTestRunner objects to be pickled and
489 unpickled. This fixes crashes under Windows when trying to run
490 test_multiprocessing in verbose mode.
491
Michael Foord34c94622010-02-10 15:51:42 +0000492- Issue #7893: ``unittest.TextTestResult`` is made public and a ``resultclass``
493 argument added to the TextTestRunner constructor allowing a different result
494 class to be used without having to subclass.
495
496- Issue 7588: ``unittest.TextTestResult.getDescription`` now includes the test
497 name in failure reports even if the test has a docstring.
498
Antoine Pitrou434736a2009-11-10 18:46:01 +0000499- Issue #3001: Add a C implementation of recursive locks which is used by
500 default when instantiating a `threading.RLock` object. This makes
501 recursive locks as fast as regular non-recursive locks (previously,
502 they were slower by 10x to 15x).
503
Antoine Pitroub0872682009-11-09 16:08:16 +0000504- Issue #7282: Fix a memory leak when an RLock was used in a thread other
505 than those started through `threading.Thread` (for example, using
506 `_thread.start_new_thread()`).
507
Brett Cannone52c9192009-11-07 23:55:05 +0000508- Issue #7187: Importlib would not silence the IOError raised when trying to
509 write new bytecode when it was made read-only.
510
Antoine Pitroubdec11f2009-11-05 13:49:14 +0000511- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
512 which are part of a reference cycle.
513
Antoine Pitroud83f1e62009-11-04 21:10:38 +0000514- Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
515 objects on 64-bit systems. Patch by Michael Broghton.
516
Antoine Pitrou03f13442009-11-02 11:36:51 +0000517- Issue #6896: mailbox.Maildir now invalidates its internal cache each time
518 a modification is done through it. This fixes inconsistencies and test
519 failures on systems with slightly bogus mtime behaviour.
520
Gregory P. Smith50467882009-11-01 18:42:17 +0000521- Issue #7246 & Issue #7208: getpass now properly flushes input before
522 reading from stdin so that existing input does not confuse it and
523 lead to incorrect entry or an IOError. It also properly flushes it
524 afterwards to avoid the terminal echoing the input afterwards on
525 OSes such as Solaris.
526
Mark Dickinsona2d1fe02009-10-29 12:23:02 +0000527- Issue #7233: Fix a number of two-argument Decimal methods to make
528 sure that they accept an int or long as the second argument. Also
529 fix buggy handling of large arguments (those with coefficient longer
530 than the current precision) in shift and rotate.
531
Lars Gustäbel1440df22009-10-29 09:39:47 +0000532- Issue #4750: Store the basename of the original filename in the gzip FNAME
533 header as required by RFC 1952.
534
Tarek Ziadéc7c71ff2009-10-27 23:12:01 +0000535- Issue #1180: Added a new global option to ignore ~/.pydistutils.cfg in
536 Distutils.
537
Tarek Ziadé8c0e2172009-10-27 21:24:21 +0000538- Issue #7218: Fix test_site for win32, the directory comparison was done with
539 an uppercase.
540
Antoine Pitrouc66363f2009-10-27 17:47:14 +0000541- Issue #7205: Fix a possible deadlock when using a BZ2File object from
542 several threads at once.
543
Vinay Sajip42ead482009-10-21 20:22:14 +0000544- Issue #7077: logging: SysLogHandler now treats Unicode as per RFC 5424.
545
Mark Dickinson06bb6742009-10-20 13:38:04 +0000546- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
547 larger than emax.
548
Antoine Pitrou6a448d42009-10-19 19:43:09 +0000549- Issue #7080: locale.strxfrm() raises a MemoryError on 64-bit non-Windows
550 platforms, and assorted locale fixes by Derk Drukker.
551
Antoine Pitroudc0900b2009-10-19 18:22:37 +0000552- Issue #5833: Fix extra space character in readline completion with the
553 GNU readline library version 6.0.
554
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000555- Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment
Senthil Kumaran7bb04972009-10-11 04:58:55 +0000556
Vinay Sajipcbabd7e2009-10-10 20:32:36 +0000557- Issue #7086: Added TCP support to SysLogHandler, and tidied up some
558 anachronisms in the code which were a relic of 1.5.2 compatibility.
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000559
R. David Murraybf2e0aa2009-10-10 00:13:32 +0000560- Issue #7082: When falling back to the MIME 'name' parameter, the
561 correct place to look for it is the Content-Type header.
562
Benjamin Petersond3afada2009-10-09 21:43:09 +0000563- Make tokenize.detect_coding() normalize utf-8 and iso-8859-1 variants like the
564 builtin tokenizer.
565
Mark Dickinson56df8872009-10-07 19:23:50 +0000566- Issue #7048: Force Decimal.logb to round its result when that result
567 is too large to fit in the current precision.
568
Antoine Pitrouca767bd2009-09-21 21:37:02 +0000569- Issue #6236, #6348: Fix various failures in the I/O library under AIX
Antoine Pitrou6a448d42009-10-19 19:43:09 +0000570 and other platforms, when using a non-gcc compiler. Patch by Derk Drukker.
Antoine Pitrouca767bd2009-09-21 21:37:02 +0000571
Thomas Heller69b639f2009-09-18 20:08:39 +0000572- Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...)
573 does now always result in NULL.
574
Thomas Hellerd7cb1b92009-09-18 19:05:13 +0000575- Issue #5042: Structure sub-subclass does now initialize correctly
576 with base class positional arguments.
577
Eric Smith81fd8042009-09-18 13:23:13 +0000578- Issue #6882: Import uuid creates zombies processes.
579
Matthias Klosef6b76b02009-09-13 15:18:53 +0000580- Issue #6635: Fix profiler printing usage message.
581
Lars Gustäbel049d2aa2009-09-12 10:44:00 +0000582- Issue #6856: Add a filter keyword argument to TarFile.add().
583
Benjamin Petersonbe74a372009-09-11 21:17:13 +0000584- Issue #6888: pdb's alias command was broken when no arguments were given.
585
Mark Dickinson46ab5d02009-09-08 20:22:46 +0000586- Issue #6857: Default format() alignment should be '>' for Decimal
587 instances.
588
Mark Dickinson825fce32009-09-07 18:08:12 +0000589- Issue #6795: int(Decimal('nan')) now raises ValueError instead of
590 returning NaN or raising InvalidContext. Also, fix infinite recursion
591 in long(Decimal('nan')).
592
Mark Dickinson7718d2b2009-09-07 16:21:56 +0000593- Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
594 with no type specifier.
595
Thomas Heller8b939522009-09-04 18:24:41 +0000596- Issue #6239: ctypes.c_char_p return value must return bytes.
597
Chris Withers9c33cbf2009-09-04 17:04:16 +0000598- Issue #6838: Use a list to accumulate the value instead of
599 repeatedly concatenating strings in http.client's
600 HTTPResponse._read_chunked providing a significant speed increase
601 when downloading large files servend with a Transfer-Encoding of 'chunked'.
602
Brett Cannon1c1dcbf2009-08-30 20:22:21 +0000603- Trying to import a submodule from a module that is not a package, ImportError
604 should be raised, not AttributeError.
605
Brett Cannonde4ebfe2009-08-30 19:53:48 +0000606- When the globals past to importlib.__import__() has __package__ set to None,
607 fall back to computing what __package__ should be instead of giving up.
608
Brett Cannon6afbaef2009-08-30 19:08:58 +0000609- Raise a TypeError when the name of a module to be imported for
610 importlib.__import__ is not a string (was raising an
611 AttributeError before).
612
Brett Cannon9e0e1a62009-08-30 18:28:46 +0000613- Allow the fromlist passed into importlib.__import__ to be any iterable.
614
Brett Cannon4d75fc12009-08-30 03:47:36 +0000615- Have importlib raise ImportError if None is found in sys.modules.
616
Lars Gustäbelbfdfdda2009-08-28 19:59:59 +0000617- Issue #6054: Do not normalize stored pathnames in tarfile.
618
Mark Dickinsond314e1b2009-08-28 13:39:53 +0000619- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
620 payloads are now ordered by integer value rather than lexicographically.
621
Guilherme Polobcd03df2009-08-18 15:35:57 +0000622- Issue #1356969: Add missing info methods in tix.HList.
623
624- Issue #1522587: New constants and methods for the tix.Grid widget.
625
626- Issue #1250469: Fix the return value of tix.PanedWindow.panes.
627
628- Issue #1119673: Do not override tkinter.Text methods when creating a
629 ScrolledText.
630
Gregory P. Smith01099702009-08-16 18:58:46 +0000631- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
632
Guilherme Poloc3b2ae42009-08-16 14:46:16 +0000633- Issue #1135: Add the XView and YView mix-ins to avoid duplicating
634 the xview* and yview* methods.
635
Antoine Pitroua0ceb732009-08-06 20:29:56 +0000636- Issue #6629: Fix a data corruption issue in the new I/O library, which could
637 occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
638 "wb+" mode) after having buffered a certain amount of data for reading. This
639 bug was not present in the pure Python implementation.
640
Mark Dickinsonea1158f2009-08-06 16:06:25 +0000641- Issue #6622: Fix "local variable 'secret' referenced before
642 assignment" bug in POP3.apop.
643
Mark Dickinson45f799f2009-08-02 20:08:54 +0000644- Issue #2715: Remove remnants of Carbon.File from binhex module.
645
Mark Dickinson345adc42009-08-02 10:14:23 +0000646- Issue #6595: The Decimal constructor now allows arbitrary Unicode
647 decimal digits in input, as recommended by the standard. Previously
648 it was restricted to accepting [0-9].
649
Jack Diederich36596a32009-07-26 22:23:04 +0000650- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
651 DO/DONT correctly.
652
Senthil Kumaran67305382009-07-26 04:46:00 +0000653- Issue #1424152: Fix for http.client, urllib.request to support SSL while
654 working through proxy. Original patch by Christopher Li, changes made by
655 Senthil Kumaran
Senthil Kumaran97f0c6b2009-07-25 04:24:38 +0000656
Brett Cannon69194272009-07-20 04:23:48 +0000657- Add importlib.abc.ExecutionLoader to represent the PEP 302 protocol for
658 loaders that allow for modules to be executed. Both importlib.abc.PyLoader
659 and PyPycLoader inherit from this class and provide implementations in
660 relation to other methods required by the ABCs.
661
Brett Cannon64ef00f2009-07-20 03:19:18 +0000662- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
663 the documentation said it did even though the code in PyLoader relied on the
664 abstract method required by ResourceLoader.
665
Mark Dickinson85424c92009-07-18 14:41:42 +0000666- Issue #6431: Make Fraction type return NotImplemented when it doesn't
667 know how to handle a comparison without loss of precision. Also add
668 correct handling of infinities and nans for comparisons with float.
669
Antoine Pitrouf3637322009-08-06 21:00:37 +0000670- Issue #6415: Fixed warnings.warn segfault on bad formatted string.
Hirokazu Yamamoto1c0c0032009-07-17 06:55:42 +0000671
Amaury Forgeot d'Arc97e5f282009-07-11 09:35:13 +0000672- Issue #6358: The exit status of a command started with os.popen() was
673 reported differently than it did with python 2.x.
674
Amaury Forgeot d'Arc2de11152009-07-09 23:07:52 +0000675- Issue #6323: The pdb debugger did not exit when running a script with a
676 syntax error.
677
Gregory P. Smithd06fa472009-07-04 02:46:54 +0000678- Issue #3392: The subprocess communicate() method no longer fails in select()
679 when file descriptors are large; communicate() now uses poll() when possible.
680
Antoine Pitrou54923952009-07-01 14:53:06 +0000681- Issue #6369: Fix an RLE decompression bug in the binhex module.
682
Hirokazu Yamamoto7a9e1bd2009-06-29 14:54:12 +0000683- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
684
Benjamin Peterson5a6deb42009-06-28 21:35:31 +0000685- The deprecated function string.maketrans has been removed.
686
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000687- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
688 sys.path.
689
Alexandre Vassalotticf76e1a2009-07-22 03:24:36 +0000690- Issue #6218: io.StringIO and io.BytesIO instances are now picklable.
691
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000692Extension Modules
693-----------------
Mark Dickinson12c4bdb2009-09-28 19:21:11 +0000694
Martin v. Löwis3afc62e2010-02-18 16:27:43 +0000695- Stop providing crtassem.h symbols when compiling with Visual Studio 2010, as
696 msvcr100.dll is not a platform assembly anymore.
697
Martin v. Löwis7aed61a2009-11-27 14:09:49 +0000698- Issue #6508: Add posix.{getresuid,getresgid,setresuid,setresgid}.
699
Mark Dickinson40714af2009-10-08 15:59:20 +0000700- Issue #7078: Set struct.__doc__ from _struct.__doc__.
701
Mark Dickinson45f992a2009-12-19 11:20:49 +0000702- Issue #3366: Add erf, erfc, expm1, gamma, lgamma functions to math module.
Mark Dickinson12c4bdb2009-09-28 19:21:11 +0000703
Ronald Oussoren2efd9242009-09-20 14:53:22 +0000704- Issue #6877: It is now possible to link the readline extension to the
705 libedit readline emulation on OSX 10.5 or later.
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000706
Mark Dickinson5ea7d642009-09-06 21:24:55 +0000707- Issue #6848: Fix curses module build failure on OS X 10.6.
708
Brett Cannon2f827382009-08-13 19:58:01 +0000709- Fix a segfault that could be triggered by expat with specially formed input.
710
Mark Dickinson1f268282009-07-28 17:22:36 +0000711- Issue #6561: '\d' in a regex now matches only characters with
712 Unicode category 'Nd' (Number, Decimal Digit). Previously it also
713 matched characters with category 'No'.
714
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000715- Issue #4509: Array objects are no longer modified after an operation
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000716 failing due to the resize restriction in-place when the object has exported
717 buffers.
718
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000719- Issue #2389: Array objects are now pickled in a portable manner.
720
Matthias Klosea50ffe52010-01-22 01:10:19 +0000721- Expat: Fix DoS via XML document with malformed UTF-8 sequences
722 (CVE_2009_3560).
723
Martin v. Löwis95c46012009-06-28 09:36:14 +0000724Build
725-----
726
Martin v. Löwis19ed3c82010-02-15 21:45:06 +0000727- Issue #3920, #7903: Define _BSD_SOURCE on OpenBSD 4.4 through 4.9.
Martin v. Löwis7671efc2010-02-15 08:35:16 +0000728
Mark Dickinsonde508002010-01-17 21:02:55 +0000729- Issue #7632: When Py_USING_MEMORY_DEBUGGER is defined, disable the
730 private memory allocation scheme in dtoa.c and use PyMem_Malloc and
731 PyMem_Free instead. Also disable caching of powers of 5.
732
Benjamin Petersond78735d2010-01-01 16:04:23 +0000733- Issue #6491: Allow --with-dbmliborder to specify that no dbms will be built.
734
735- Issue #6943: Use pkg-config to find the libffi headers when the
736 --with-system-ffi flag is used.
737
Benjamin Petersonb2d90462009-12-31 03:23:10 +0000738- Issue #7609: Add a --with-system-expat option that causes the system's expat
739 library to be used for the pyexpat module instead of the one included with
740 Python.
741
Benjamin Petersone57d6762009-12-30 03:02:03 +0000742- Issue #7589: Only build the nis module when the correct header files are
743 found.
744
Martin v. Löwis7df3b9e2010-01-02 10:06:19 +0000745- Switch to OpenSSL 0.9.8l and sqlite 3.6.21 on Windows.
Martin v. Löwise5692cd2009-12-22 08:57:39 +0000746
Mark Dickinsonf4243f62009-11-15 13:47:27 +0000747- Issue #5792: Extend the short float repr support to x86 systems using
748 icc or suncc.
749
Mark Dickinsona25b1312009-10-31 10:18:44 +0000750- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
751 compiles correctly under gcc on x86-64. This fixes a reported
752 problem with the --with-tsc build on x86-64.
753
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +0000754- Issue #6802: Fix build issues on MacOSX 10.6
755
Guilherme Polo5d377bd2009-08-16 14:44:14 +0000756- Issue #6244: Allow detect_tkinter to look for Tcl/Tk 8.6.
757
Amaury Forgeot d'Arc321e5332009-07-02 23:08:45 +0000758- Issue 4601: 'make install' did not set the appropriate permissions on
759 directories.
760
Martin v. Löwis95c46012009-06-28 09:36:14 +0000761- Issue 5390: Add uninstall icon independent of whether file
762 extensions are installed.
763
Ronald Oussoren585c1732009-12-24 14:21:55 +0000764- Issue #7541: when using ``python-config`` with a framework install the compiler might
765 use the wrong library.
766
Mark Dickinsond3aa6462009-09-17 00:06:41 +0000767Documentation
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000768------------
769
Barry Warsaw615368f2010-02-05 19:12:30 +0000770- Updating `Using Python` documentation to include description of CPython's
771 -J and -X options.
772
Brett Cannon757df6e2009-08-30 04:00:12 +0000773- Document that importing a module that has None in sys.modules triggers an
774 ImportError.
775
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000776- Issue #6556: Fixed the Distutils configuration files location explanation
777 for Windows.
Matthias Klosec8b16f82010-01-31 16:14:37 +0000778
779- Update python manual page (options -B, -O0, -s, environment variables
780 PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000781
Brett Cannonb49c70c2009-07-15 04:08:33 +0000782Tests
783-----
784
Ezio Melotti184bdfb2010-02-18 09:37:05 +0000785- Issue #7712: test.support gained a new `temp_cwd` context manager which is
786 now also used by regrtest to run all the tests in a temporary directory.
787 The original CWD is saved in `support.SAVEDCWD`.
788 Thanks to Florent Xicluna who helped with the patch.
789
Mark Dickinsonedff7af2010-02-13 18:34:53 +0000790- Issue #7924: Fix an intermittent 'XXX undetected error' failure in
791 test_capi (only seen so far on platforms where the curses module
792 wasn't built), due to an uncleared exception.
793
R. David Murraye9e95932010-02-06 05:00:15 +0000794- issue #7728: test_timeout was changed to use test_support.bind_port
795 instead of a hard coded port.
796
R. David Murray445448c2009-12-20 17:28:31 +0000797- Issue #7376: instead of running a self-test (which was failing) when called
798 with no arguments, doctest.py now gives a usage message.
799
R. David Murrayef1992b2009-12-16 15:19:27 +0000800- Issue #7396: fix regrtest -s, which was broken by the -j enhancement.
801
R. David Murray596da442009-12-14 23:06:11 +0000802- Issue #7498: test_multiprocessing now uses test.support.find_unused_port
R. David Murray83396232009-12-14 22:45:15 +0000803 instead of a hardcoded port number in test_rapid_restart.
804
R. David Murrayba311052009-12-04 00:09:14 +0000805- Issue #7431: use TESTFN in test_linecache instead of trying to create a
806 file in the Lib/test directory, which might be read-only for the
807 user running the tests.
808
R. David Murray35768ad2009-11-15 00:23:21 +0000809- Issue #7324: add a sanity check to regrtest argument parsing to
810 catch the case of an option with no handler.
811
R. David Murray7dc72cc2009-11-14 16:13:02 +0000812- Issue #7312: Add a -F flag to run the selected tests in a loop until
813 a test fails. Can be combined with -j.
814
Antoine Pitrou060cee22009-11-13 16:29:04 +0000815- Issue #6551: test_zipimport could import and then destroy some modules of
816 the encodings package, which would make other tests fail further down
817 the road because the internally cached encoders and decoders would point
818 to empty global variables.
819
Antoine Pitrou941ee882009-11-11 20:59:38 +0000820- Issue #7295: Do not use a hardcoded file name in test_tarfile.
821
Antoine Pitrou557934f2009-11-06 22:41:14 +0000822- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
823 primitives such as Lock, RLock, Condition, Event and Semaphore.
824
Brett Cannoncfed0292009-11-05 01:26:57 +0000825- Issue #7248 (part 2): Use a unique temporary directory for importlib source
826 tests instead of tempfile.tempdir. This prevents the tests from sharing state
827 between concurrent executions on the same system.
828
Brett Cannon0ae45112009-11-05 01:17:22 +0000829- Issue #7248: In importlib.test.source.util a try/finally block did not make
830 sure that some referenced objects actually were created in the block before
831 calling methods on the object.
832
Antoine Pitrou65c9c642009-10-30 17:25:12 +0000833- Issue #7222: Make thread "reaping" more reliable so that reference
834 leak-chasing test runs give sensible results. The previous method of
835 reaping threads could return successfully while some Thread objects were
836 still referenced. This also introduces a new private function:
837 :func:`_thread._count()`.
838
R. David Murray27144602009-10-19 15:26:16 +0000839- Issue #7151: fixed regrtest -j so that output to stderr from a test no
840 longer runs the risk of causing the worker thread to fail.
841
Antoine Pitrou4de39cd2009-10-10 21:08:31 +0000842- Issue #7055: test___all__ now greedily detects all modules which have an
843 __all__ attribute, rather than using a hardcoded and incomplete list.
844
R. David Murray0bc11ae2009-10-18 22:18:17 +0000845- Issue #7058: Added save/restore for things like sys.argv and cwd to
846 runtest_inner in regrtest, with warnings if the called test modifies them,
847 and a new section in the summary report at the end.
R. David Murray097e51f2009-10-07 23:38:55 +0000848
Mark Dickinson2e304402009-10-04 18:43:54 +0000849- Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6.
850
Brett Cannon3c273842009-07-20 00:14:29 +0000851- Fixed tests in importlib.test.source.test_abc_loader that were masking
852 the proper exceptions that should be raised for missing or improper code
853 object bytecode.
854
Brett Cannonb49c70c2009-07-15 04:08:33 +0000855- Removed importlib's custom test discovery code and switched to
856 unittest.TestLoader.discover().
857
Antoine Pitroua69ba652010-01-18 21:20:53 +0000858Tools/Demos
859-----------
860
861- iobench (a file I/O benchmark) and ccbench (a concurrency benchmark) were
862 added to the `Tools/` directory. They were previously living in the
863 sandbox.
864
Benjamin Peterson46ea4f72009-06-27 21:40:27 +0000865
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000866What's New in Python 3.1?
867=========================
868
869*Release date: 27-June-2009*
870
871Core and Builtins
872-----------------
873
Mark Dickinsonad195562009-06-24 19:01:32 +0000874- Issue #6334: Fix bug in range length calculation for ranges with
875 large arguments.
876
Raymond Hettinger159eac92009-06-23 20:38:54 +0000877- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
878 because it wasn't recognized as a sequence).
879
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000880Library
881-------
882
Georg Brandld07ac642009-08-13 07:50:57 +0000883- Issue #6126: Fixed pdb command-line usage.
884
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000885- Issue #6314: logging: performs extra checks on the "level" argument.
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000886
Facundo Batista10706e22009-06-19 20:34:30 +0000887- Issue #6274: Fixed possible file descriptors leak in subprocess.py
888
Benjamin Peterson6a38ced2009-06-14 18:32:19 +0000889- Accessing io.StringIO.buffer now raises an AttributeError instead of
890 io.UnsupportedOperation.
891
Vinay Sajip0f6eac22009-06-21 17:46:49 +0000892- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +0000893 (On Unix)
894
Gregory P. Smithe88749b2009-06-26 08:05:13 +0000895- Issue #1202: zipfile module would cause a struct.error when attempting to
896 store files with a CRC32 > 2**31-1.
897
Matthias Kloseab2b7552009-06-22 13:05:52 +0000898Extension Modules
899-----------------
900
901- Issue #5590: Remove unused global variable in pyexpat extension.
902
Benjamin Peterson01bf2362009-06-13 14:50:22 +0000903
Antoine Pitrou3b1b8072009-05-30 21:01:23 +0000904What's New in Python 3.1 Release Candidate 2?
905=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000906
Benjamin Petersonc7c12282009-06-13 13:15:04 +0000907*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000908
909Core and Builtins
910-----------------
911
Raymond Hettinger94f55832009-06-12 18:40:16 +0000912- Fixed SystemError triggered by "range([], 1, -1)".
913
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +0000914- Issue #5924: On Windows, a large PYTHONPATH environment variable
915 (more than 255 characters) would be completely ignored.
916
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +0000917- Issue #4547: When debugging a very large function, it was not always
918 possible to update the lineno attribute of the current frame.
919
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000920- Issue #5330: C functions called with keyword arguments were not reported by
Alexandre Vassalottiea3714e2009-07-17 09:34:31 +0000921 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
Antoine Pitrou8e124f32009-05-30 21:41:10 +0000922
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000923Library
924-------
925
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +0000926- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
Vinay Sajipd4fabf42009-07-13 11:28:25 +0000927 expression string pattern was trying to match against a bytes returned by
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +0000928 Popen. Tested under win32 to build the py-postgresql project.
929
Martin v. Löwis83eacca2009-06-12 17:31:41 +0000930- Issue #6258: Support AMD64 in bdist_msi.
931
R. David Murray58641de2009-06-12 15:33:19 +0000932- Issue #6195: fixed doctest to no longer try to read 'source' data from
933 binary files.
934
Vinay Sajipaffbd872009-06-11 10:11:47 +0000935- Issue #5262: Fixed bug in next rollover time computation in
936 TimedRotatingFileHandler.
937
Benjamin Peterson0926ad12009-06-06 18:02:12 +0000938- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
939 errors property. Additionally, the errors and encoding properties of StringIO
940 are always None now.
941
Antoine Pitroud9dfaa92009-06-04 20:32:06 +0000942- Issue #6137: The pickle module now translates module names when loading
943 or dumping pickles with a 2.x-compatible protocol, in order to make data
944 sharing and migration easier. This behaviour can be disabled using the
945 new `fix_imports` optional argument.
946
Raymond Hettinger40925d22009-06-04 18:32:39 +0000947- Removed the ipaddr module.
948
Georg Brandlb54d8012009-06-04 09:11:51 +0000949- Issue #3613: base64.{encode,decode}string are now called
950 base64.{encode,decode}bytes which reflects what type they accept and return.
951 The old names are still there as deprecated aliases.
952
Georg Brandl317185a2009-06-04 09:00:56 +0000953- Issue #5767: Remove sgmlop support from xmlrpc.client.
954
Martin v. Löwis74b7e442009-06-01 04:23:07 +0000955- Issue #6150: Fix test_unicode on wide-unicode builds.
956
Antoine Pitrouc06de472009-05-30 21:04:26 +0000957- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
958 parameters.
959
Martin v. Löwis79b13872009-06-01 04:13:14 +0000960Windows
961-------
962
Martin v. Löwisb7a51562009-06-07 17:55:17 +0000963- Issue #6221: Delete test registry key before running the test.
964
Martin v. Löwis79b13872009-06-01 04:13:14 +0000965- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
966
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +0000967C-API
968-----
969
970- Issue #5735: Python compiled with --with-pydebug should throw an
971 ImportError when trying to import modules compiled without
972 --with-pydebug, and vice-versa.
973
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +0000974
Brett Cannonc6d936e2009-06-07 20:09:53 +0000975Build
976-----
977
978- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
979 added LIBS to OS X framework builds.
980
Ronald Oussoren99aab652009-06-08 21:22:57 +0000981- Issue #5809: Specifying both --enable-framework and --enable-shared is
982 an error. Configure now explicity tells you about this.
983
984
Brett Cannonc6d936e2009-06-07 20:09:53 +0000985
Mark Dickinson4eb88b32009-05-11 16:41:34 +0000986What's New in Python 3.1 release candidate 1?
987=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000988
Benjamin Petersone6ad3872009-05-30 15:30:16 +0000989*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +0000990
991Core and Builtins
992-----------------
993
Martin v. Löwis8ed91b22009-05-29 16:22:26 +0000994- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
995 of the command line.
996
Martin v. Löwisc15bdef2009-05-29 14:47:46 +0000997- Issue #6012: Add cleanup support to O& argument parsing.
998
Eric Smith41669ca2009-05-23 14:23:22 +0000999- Issue #6089: Fixed str.format with certain invalid field specifiers
1000 that would raise SystemError.
1001
Raymond Hettinger2bcde142009-05-29 04:52:27 +00001002- Issue #5982: staticmethod and classmethod now expose the wrapped
1003 function with __func__.
1004
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +00001005- Added support for multiple context managers in the same with-statement.
1006 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +00001007
Mark Dickinson6b1e43b2009-05-20 18:41:04 +00001008- Issue #5829: complex("1e500") no longer raises OverflowError. This
1009 makes it consistent with float("1e500") and interpretation of real
1010 and imaginary literals.
1011
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +00001012- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
1013
R. David Murraydd226ea2009-05-13 12:27:21 +00001014- Issue #5994: the marshal module now has docstrings.
1015
Mark Dickinsond1ec8b22009-05-11 15:45:15 +00001016- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
1017 (1) inf and nan strings with trailing whitespace were incorrectly
1018 rejected; (2) parsing of strings representing infinities and nans
1019 was locale aware; and (3) the interpretation of fromhex('-nan')
1020 didn't match that of float('-nan').
1021
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001022Library
1023-------
1024
Martin v. Löwisb6a748b2009-05-29 15:23:17 +00001025- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
1026
R. David Murrayfb123912009-05-28 18:19:00 +00001027- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
1028
R. David Murray1f1b9d32009-05-27 20:56:59 +00001029- Issue #6121: pydoc now ignores leading and trailing spaces in the
1030 argument to the 'help' function.
1031
Georg Brandlfaf41492009-05-26 18:31:11 +00001032- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
1033 arguments for strings with a space in them.
1034
Raymond Hettinger089ba7f2009-05-27 00:38:24 +00001035- collections.namedtuple() was not working with the following field
1036 names: cls, self, tuple, itemgetter, and property.
1037
Benjamin Peterson14a3dd72009-05-25 00:51:58 +00001038- In unittest, using a skipping decorator on a class is now equivalent to
1039 skipping every test on the class. The ClassTestSuite class has been removed.
1040
Martin v. Löwis70ccd162009-05-24 19:47:22 +00001041- Issue #6050: Don't fail extracting a directory from a zipfile if
1042 the directory already exists.
1043
Antoine Pitrou61f77b52009-05-24 15:46:13 +00001044- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
1045 than an int, which makes some operations possible under 64-bit Linux (e.g.
1046 DN_MULTISHOT with F_NOTIFY).
1047
Antoine Pitrou716c4442009-05-23 19:04:03 +00001048- Issue #5761: Add the name of the underlying file to the repr() of various
1049 IO objects.
1050
R. David Murraycaa27b72009-05-23 18:49:56 +00001051- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
1052 by Musashi Tamura, tests by Marcin Bachry.
1053
Antoine Pitrouc3ee1662009-05-23 16:02:33 +00001054- Issue #1983: Fix functions taking or returning a process identifier to use
1055 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
1056 a process identifier type wider than the standard C integer type.
1057
R. David Murray87e20742009-05-23 01:30:26 +00001058- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
1059 Patch by Farhan Ahmad, test by Marcin Bachry.
1060
Antoine Pitrou6e610062009-05-15 17:04:50 +00001061- Issue #2116: Weak references and weak dictionaries now support copy()ing and
1062 deepcopy()ing.
1063
Antoine Pitrouc1d09362009-05-15 12:15:51 +00001064- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
1065
Antoine Pitrou37d1c182009-05-14 21:54:00 +00001066- Issue #5918: Fix a crash in the parser module.
1067
Antoine Pitrou2ca24f02009-05-14 21:30:46 +00001068- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
1069
Antoine Pitroue4501852009-05-14 18:55:55 +00001070- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
1071 library. This means, for example, that opening an UTF-16 text file in
1072 append mode doesn't add a BOM at the end of the file if the file isn't
1073 empty.
1074
R. David Murray74b89242009-05-13 17:33:03 +00001075- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
1076 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
1077 corrects a pydoc regression.
1078
R. David Murray99352742009-05-07 18:24:38 +00001079- Issue 5955: aifc's close method did not close the file it wrapped,
1080 now it does. This also means getfp method now returns the real fp.
1081
Benjamin Peterson932073a2009-05-23 16:14:33 +00001082Installation
1083------------
1084
1085- Issue #6047: fullinstall has been removed because Python 3's executable will
1086 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001087
Ronald Oussorenbe7149e2009-05-26 21:39:08 +00001088- Lib/smtpd.py is no longer installed as a script.
1089
Martin v. Löwisdb1c3992009-05-23 10:38:26 +00001090Extension Modules
1091-----------------
1092
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +00001093- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +00001094
Martin v. Löwise23c8682009-05-29 16:01:34 +00001095- Issue #4873: Fix resource leaks in error cases of pwd and grp.
1096
Martin v. Löwisdb1c3992009-05-23 10:38:26 +00001097- Issue #6093: Fix off-by-one error in locale.strxfrm.
1098
Benjamin Peterson744af442009-05-23 18:51:49 +00001099- The _functools and _locale modules are now built into the libpython shared
1100 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +00001101
Antoine Pitrou20327222009-05-24 20:39:11 +00001102Build
1103-----
1104
1105- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
1106 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
1107 Clinton Roy.
1108
Brett Cannon1262e7c2009-05-11 01:47:11 +00001109Tests
1110-----
1111
1112- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
1113 tests on darwin even when the OS was installed on a case-sensitive
1114 filesystem. Also fixed tests that should not be run when
1115 sys.dont_write_bytecode is true.
1116
1117
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001118What's New in Python 3.1 beta 1?
1119================================
1120
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +00001121*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001122
1123Core and Builtins
1124-----------------
1125
Mark Dickinson865e01a2009-05-07 16:37:01 +00001126- Issue #5914: Add new C API function PyOS_string_to_double, and
1127 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
1128
Eric Smith741191f2009-05-06 13:08:15 +00001129- Issue #3382: float.__format__, complex.__format__, and %-formatting
1130 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
1131 affects nan -> NAN and inf -> INF.
1132
Mark Hammond5a607a32009-05-06 08:04:54 +00001133- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
1134 in all operations, including splitdrive, split, etc. splitunc() now issues
1135 a PendingDeprecation warning.
1136
Eric Smith63376222009-05-05 14:04:18 +00001137- Issue #5920: For float.__format__, change the behavior with the
1138 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
1139 to be like 'g' but with at least one decimal point and with a
1140 default precision of 12. Previously, the behavior the same but with
1141 a default precision of 6. This more closely matches str(), and
1142 reduces surprises when adding alignment flags to the empty
1143 presentation type. This also affects the new complex.__format__ in
1144 the same way.
1145
Martin v. Löwis011e8422009-05-05 04:43:17 +00001146- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
1147
R. David Murrayb18500d2009-05-04 22:59:07 +00001148- Issue #5890: in subclasses of 'property' the __doc__ attribute was
1149 shadowed by classtype's, even if it was None. property now
1150 inserts the __doc__ into the subclass instance __dict__.
1151
Antoine Pitrou244651a2009-05-04 18:56:13 +00001152- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
1153 sequences. Patch by Nick Barnes and Victor Stinner.
1154
Martin v. Löwise0a2b722009-05-10 08:08:56 +00001155- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +00001156
Benjamin Petersond2e0c792009-05-01 20:40:59 +00001157- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
1158 received a new method, detach(). detach() disconnects the underlying stream
1159 from the buffer or text IO and returns it.
1160
Mark Dickinson33841c32009-05-01 15:37:04 +00001161- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
1162 floats with absolute value over 1e50. Also remove length
1163 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
1164 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +00001165
Eric Smith741191f2009-05-06 13:08:15 +00001166- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +00001167 format(complex(1, 2./3), '.5') now produces a sensible result.
1168
Mark Dickinsond3ca5572009-04-29 18:47:07 +00001169- Issue #5864: Fix empty format code formatting for floats so that it
1170 never gives more than the requested number of significant digits.
1171
Eric Smith6dc46f52009-04-27 20:39:49 +00001172- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
1173 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
1174
Eric Smithcc32a112009-04-26 21:35:14 +00001175- Issue #5835: Deprecate PyOS_ascii_formatd.
1176
Martin v. Löwis71efeb72009-04-26 01:02:07 +00001177- Issue #4971: Fix titlecase for characters that are their own
1178 titlecase, but not their own uppercase.
1179
Benjamin Peterson193152c2009-04-25 01:08:45 +00001180- Issue #5283: Setting __class__ in __del__ caused a segfault.
1181
Mark Dickinsonad476da2009-04-23 19:14:16 +00001182- Issue #5816: complex(repr(z)) now recovers z exactly, even when
1183 z involves nans, infs or negative zeros.
1184
Mark Dickinson4a16e3a2009-04-23 19:15:48 +00001185- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +00001186
Mark Dickinsone6a076d2009-04-18 11:48:33 +00001187- Issue #1869 (and many duplicates): make round(x, n) correctly
1188 rounded for a float x, by using the decimal <-> binary conversions
1189 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
1190 consistently agrees with format(x, '.2f').
1191
Benjamin Petersonae937c02009-04-18 20:54:08 +00001192- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
1193 some builtin types.
1194
Eric Smith0923d1d2009-04-16 20:16:10 +00001195- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
1196
Eric Smith35e84722009-04-16 20:21:28 +00001197- Issue #5515: str.format() type 'n' combined with commas and leading
1198 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +00001199
1200- Implement PEP 378, Format Specifier for Thousands Separator, for
1201 floats.
1202
Mark Dickinson3370cce2009-04-17 22:40:53 +00001203- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001204 1e11, not 1e12. This avoids printing 13 significant digits in
1205 situations where only 12 of them are correct. Example problem
1206 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
1207 long time.)
1208
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001209- Issue #1580: On most platforms, use a 'short' float repr: for a
1210 finite float x, repr(x) now outputs a string based on the shortest
1211 sequence of decimal digits that rounds to x. Previous behaviour was
1212 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +00001213 Another minor difference is that the new repr switches to
1214 exponential notation at 1e16 instead of the previous 1e17; this
1215 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001216
1217 There's a new sys attribute sys.float_repr_style, which takes
1218 the value 'short' to indicate that we're using short float repr,
1219 and 'legacy' if the short float repr isn't available for one
1220 reason or another.
1221
1222 The float repr change involves incorporating David Gay's 'perfect
1223 rounding' code into the Python core (it's in Python/dtoa.c). As a
1224 secondary consequence, all string-to-float and float-to-string
1225 conversions (including all float formatting operations) will be
1226 correctly rounded on these platforms.
1227
1228 See issue 1580 discussions for details of platforms for which
1229 this change does not apply.
1230
Benjamin Peterson2808d3c2009-04-15 21:34:27 +00001231- Issue #5759: float() didn't call __float__ on str subclasses.
1232
Georg Brandlabc38772009-04-12 15:51:51 +00001233- The string.maketrans() function is deprecated; there is a new static method
1234 maketrans() on the bytes and bytearray classes. This removes confusion about
1235 the types string.maketrans() is supposed to work with, and mirrors the
1236 methods available on the str class.
1237
R. David Murraydc6da8a2009-04-09 22:16:43 +00001238- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
1239 its clarity and its speed.
1240
Matthias Klose091c7b12009-04-07 13:24:27 +00001241- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
1242 to avoid compiler warnings.
1243
Walter Dörwald8dc33d52009-05-06 14:41:26 +00001244- Issue #3739: The unicode-internal encoder now reports the number of characters
1245 consumed like any other encoder (instead of the number of bytes).
1246
Benjamin Peterson0b4915e2009-04-25 21:11:45 +00001247Installation
1248------------
1249
1250- Issue #5756: Install idle and pydoc with a 3 suffix.
1251
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001252Library
1253-------
1254
Martin v. Löwis403117a2009-05-24 19:19:17 +00001255- Issue #5311: bdist_msi can now build packages that do not depend on a
1256 specific Python version.
1257
Raymond Hettingereb816952009-05-29 01:22:18 +00001258- Issue #5150: IDLE's format menu now has an option to strip trailing
1259 whitespace.
1260
Vinay Sajipaffbd872009-06-11 10:11:47 +00001261- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +00001262 the right type checkings anymore.
1263
Thomas Heller00cfc372009-05-05 19:04:40 +00001264- Issue #4875: On win32, ctypes.util.find_library does no longer
1265 return directories.
1266
Georg Brandl243ad662009-05-05 09:00:19 +00001267- Issue #5142: Add the ability to skip modules while stepping to pdb.
1268
Georg Brandl991f9202009-05-05 08:31:54 +00001269- Issue #1309567: Fix linecache behavior of stripping subdirectories when
1270 looking for files given by a relative filename.
1271
Georg Brandleaa84ef2009-05-05 08:14:33 +00001272- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
1273 turtle demos in Demo/turtle.
1274
Antoine Pitrou3c33e082009-05-04 21:21:36 +00001275- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
1276 extracting a file to the root directory.
1277
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +00001278- Issue #5913: os.listdir() should fail for empty path on windows.
1279
Antoine Pitroua9f48a02009-05-02 21:41:14 +00001280- Issue #5084: unpickling now interns the attribute names of pickled objects,
1281 saving memory and avoiding growth in size of subsequent pickles. Proposal
1282 and original patch by Jake McGuire.
1283
Benjamin Petersonc6b607d2009-05-02 12:36:44 +00001284- The json module now works exclusively with str and not bytes.
1285
Gregory P. Smithe54dff52009-05-01 22:13:48 +00001286- Issue #3959: The ipaddr module has been added to the standard library.
1287 Contributed by Google.
1288
Antoine Pitrou7fff0962009-05-01 21:09:44 +00001289- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
1290 error when a named pipe is encountered, rather than blocking infinitely.
1291
Raymond Hettinger1f0db402009-04-29 00:38:08 +00001292- Issue #5857: tokenize.tokenize() now returns named tuples.
1293
Thomas Hellerc1edc2d2009-04-28 19:55:58 +00001294- Issue #4305: ctypes should now build again on mipsel-linux-gnu
1295
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +00001296- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
1297 string is already in normalized form, by performing a quick check beforehand.
1298 Original patch by Rauli Ruohonen.
1299
Antoine Pitrou57f3d932009-04-27 21:04:19 +00001300- Issue #5853: calling a function of the mimetypes module from several threads
1301 at once could hit the recursion limit if the mimetypes database hadn't been
1302 initialized before.
1303
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001304- Issue #5854: Updated __all__ to include some missing names and remove some
1305 names which should not be exported.
1306
Thomas Heller34596a92009-04-24 20:50:00 +00001307- Issue #3102: All global symbols that the _ctypes extension defines
1308 are now prefixed with 'Py' or '_ctypes'.
1309
1310- Issue #5041: ctypes does now allow pickling wide character.
1311
Mark Dickinsond4d95f82009-04-24 14:06:19 +00001312- Issue #5812: For the two-argument form of the Fraction constructor,
1313 Fraction(m, n), m and n are permitted to be arbitrary Rational
1314 instances.
1315
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +00001316- Issue #5812: Fraction('1e6') is valid: more generally, any string
1317 that's valid for float() is now valid for Fraction(), with the
1318 exception of strings representing NaNs and infinities.
1319
Antoine Pitroucf4c7492009-04-19 00:09:36 +00001320- Issue #5734: BufferedRWPair was poorly tested and had several glaring
1321 bugs. Patch by Brian Quinlan.
1322
R. David Murray9e94ddf2009-04-13 17:06:33 +00001323- Issue #1161031: fix readwrite select flag handling: POLLPRI now
1324 results in a handle_expt_event call, not handle_read_event, and POLLERR
1325 and POLLNVAL now call handle_close, not handle_expt_event. Also,
1326 dispatcher now has an 'ignore_log_types' attribute for suppressing
1327 log messages, which is set to 'warning' by default.
1328
Matthias Klosea3d29e82009-04-07 13:13:10 +00001329- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
1330 new arguments introduced in 2.5.
1331
Walter Dörwald1b08b302009-04-25 14:13:56 +00001332- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
1333 makeunicodedata.py and regenerated the Unicode database (This fixes
1334 u'\u1d79'.lower() == '\x00').
1335
Matthias Klose535336f2009-04-07 13:49:45 +00001336Extension Modules
1337-----------------
1338
Benjamin Petersone04b6272009-05-04 22:25:21 +00001339- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
1340 pwd.
1341
Mark Dickinsonea835e72009-04-19 20:40:33 +00001342- Issue #5463: In struct module, remove deprecated float coercion
1343 for integer type codes: struct.pack('L', 0.3) should now raise
1344 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
1345 The version number has been bumped to 0.3.
1346
Matthias Klose535336f2009-04-07 13:49:45 +00001347- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
1348 using Berkley-DB.
1349
Nick Coghlan47384702009-04-22 16:13:36 +00001350Tests
1351-----
1352
1353- Issue #5354: New test support function import_fresh_module() makes
1354 it easy to import both normal and optimised versions of modules.
1355 test_heapq and test_warnings have been adjusted to use it, tests for
1356 other modules with both C and Python implementations in the stdlib
1357 can be adjusted to use it over time.
1358
Walter Dörwald4ba80132009-04-25 12:48:43 +00001359- Issue #5837: Certain sequences of calls to set() and unset() for
1360 support.EnvironmentVarGuard objects restored the environment variables
1361 incorrectly on __exit__.
1362
Benjamin Petersonb173f782009-05-05 22:31:58 +00001363C-API
1364-----
1365
1366- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
1367
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001368
Benjamin Petersond1735892009-03-07 18:46:21 +00001369What's New in Python 3.1 alpha 2?
1370=================================
1371
Benjamin Peterson88f14352009-04-04 21:06:52 +00001372*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +00001373
1374Core and Builtins
1375-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +00001376
Eric Smith1e1d7d22009-04-03 22:25:33 +00001377- Implement PEP 378, Format Specifier for Thousands Separator, for
1378 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +00001379
Benjamin Peterson8f76b492009-04-03 22:22:42 +00001380- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
1381
Benjamin Peterson7fe98532009-04-02 00:33:55 +00001382- Issue #5499: The 'c' code for argument parsing functions now only accepts a
1383 byte, and the 'C' code only accepts a unicode character.
1384
Georg Brandl406b3d82009-04-11 21:24:37 +00001385- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
1386 when hitting the recursion limit under certain circumstances.
1387
Brett Cannon0759dd62009-04-01 18:13:07 +00001388- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
1389
Georg Brandlab6f2f62009-03-31 04:16:10 +00001390- Fix a segfault when running test_exceptions with coverage, caused by
1391 insufficient checks in accessors of Exception.__context__.
1392
Guido van Rossum0ad59d42009-03-30 22:01:35 +00001393- Issue #5604: non-ASCII characters in module name passed to
1394 imp.find_module() were converted to UTF-8 while the path is
1395 converted to the default filesystem encoding, causing nonsense.
1396
Benjamin Peterson09832742009-03-26 17:15:46 +00001397- Issue #5126: str.isprintable() returned False for space characters.
1398
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +00001399- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
1400 the end sys.path, for compatibility with the system install of Python.
1401
Antoine Pitrou3a652b12009-03-23 18:52:06 +00001402- Issue #4688: Add a heuristic so that tuples and dicts containing only
1403 untrackable objects are not tracked by the garbage collector. This can
1404 reduce the size of collections and therefore the garbage collection overhead
1405 on long-running programs, depending on their particular use of datatypes.
1406
Mark Dickinson17e4fdd2009-03-23 18:44:57 +00001407- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
1408 improve its performance. Long divisions and remainder operations
1409 are now between 50% and 150% faster.
1410
Mark Dickinsonbd792642009-03-18 20:06:12 +00001411- Issue #4258: Make it possible to use base 2**30 instead of base
1412 2**15 for the internal representation of integers, for performance
1413 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
1414 --enable-big-digits option to configure, which overrides the
1415 default. Add sys.int_info structseq to provide information about
1416 the internal format.
1417
Mark Dickinson081dfee2009-03-18 14:47:41 +00001418- Issue #4474: PyUnicode_FromWideChar now converts characters outside
1419 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
1420 and sizeof(Py_UNICODE) == 2.
1421
Eric Smith8ec90442009-03-14 12:29:34 +00001422- Issue #5237: Allow auto-numbered fields in str.format(). For
1423 example: '{} {}'.format(1, 2) == '1 2'.
1424
Antoine Pitrou652e7072009-03-13 19:25:20 +00001425- Issue #5392: when a very low recursion limit was set, the interpreter would
1426 abort with a fatal error after the recursion limit was hit twice.
1427
Matthias Klose042f1332009-04-04 14:32:42 +00001428- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
1429 short file names.
1430
Benjamin Petersond1735892009-03-07 18:46:21 +00001431Library
1432-------
1433
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001434- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +00001435 mailbox.MH.get_message().
1436
Hye-Shik Chang944820b2009-04-02 10:33:16 +00001437- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
1438 error substitutions from non-strict codec error callbacks in
1439 incrementalencoder and StreamWriter.
1440
Georg Brandl33c28812009-04-01 23:07:29 +00001441- Issue #5656: Fix the coverage reporting when running the test suite with
1442 the -T argument.
1443
Raymond Hettinger3f10a952009-04-01 19:05:50 +00001444- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
1445
Georg Brandl4ed72ac2009-04-01 04:28:33 +00001446- Issue #5624: Fix the _winreg module name still used in several modules.
1447
Benjamin Petersona1b49012009-03-31 23:11:32 +00001448- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
1449
Jesse Nollera9314042009-03-31 22:36:44 +00001450- Issue #5619: Multiprocessing children disobey the debug flag and causes
1451 popups on windows buildbots. Patch applied to work around this issue.
1452
Jesse Noller32d68c22009-03-31 18:48:42 +00001453- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
1454
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +00001455- Issue #5387: Fixed mmap.move crash by integer overflow.
1456
Jesse Nollerf8d00852009-03-31 03:25:07 +00001457- Issue #5261: Patch multiprocessing's semaphore.c to support context
1458 manager use: "with multiprocessing.Lock()" works now.
1459
Brett Cannon7f6b4f82009-03-30 21:30:26 +00001460- Issue #5236: Change time.strptime() to only take strings. Didn't work with
1461 bytes already but the failure was non-obvious.
1462
Jesse Noller7af4ef82009-03-30 16:47:15 +00001463- Issue #5177: Multiprocessing's SocketListener class now uses
1464 socket.SO_REUSEADDR on all connections so that the user no longer needs
1465 to wait 120 seconds for the socket to expire.
1466
Benjamin Peterson48e24782009-03-29 13:02:52 +00001467- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
1468
Antoine Pitrou66994e12009-03-29 00:45:26 +00001469- Issue #1174606: Calling read() without arguments of an unbounded file
1470 (typically /dev/zero under Unix) could crash the interpreter.
1471
Benjamin Peterson59406a92009-03-26 17:10:29 +00001472- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
1473 io.BufferedRandom have been deprecated for removal in Python 3.2.
1474
Lars Gustäbel42e00912009-03-22 20:34:29 +00001475- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
1476 forever on incomplete input. That caused tarfile.open() to hang when used
1477 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
1478 partial bzip2 compressed data.
1479
Mark Dickinson79f52032009-03-17 23:12:51 +00001480- Issue #2110: Add support for thousands separator and 'n' type
1481 specifier to Decimal.__format__
1482
Mark Dickinson9c59fe02009-03-17 18:15:08 +00001483- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
1484 '>' alignment characters.
1485
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +00001486- The error detection code in FileIO.close() could fail to reflect the `errno`
1487 value, and report it as -1 instead.
1488
Antoine Pitroua28fcfd2009-03-13 23:42:55 +00001489- Issue #5016: FileIO.seekable() could return False if the file position
1490 was negative when truncated to a C int. Patch by Victor Stinner.
1491
Mark Dickinsonae681df2009-03-21 10:26:31 +00001492Extension Modules
1493-----------------
1494
Benjamin Petersone099b372009-04-04 17:09:35 +00001495- Issue #5391: mmap now deals exclusively with bytes.
1496
Mark Dickinsonae681df2009-03-21 10:26:31 +00001497- Issue #5463: In struct module, remove deprecated overflow wrapping
1498 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +00001499 struct.error instead of returning b'\xff\xff\xff\xff'. The
1500 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
1501 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +00001502
Benjamin Petersond1735892009-03-07 18:46:21 +00001503
Benjamin Petersona58a6262009-03-07 16:34:40 +00001504What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +00001505================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001506
Benjamin Petersona58a6262009-03-07 16:34:40 +00001507*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001508
1509Core and Builtins
1510-----------------
1511
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +00001512- The io module has been reimplemented in C for speed.
1513
Raymond Hettingerb0d56af2009-03-03 10:52:49 +00001514- Give dict views an informative __repr__.
1515
Eric Smith5e5c0db2009-02-20 14:25:03 +00001516- Issue #5247: Improve error message when unknown format codes are
1517 used when using str.format() with str, int, and float arguments.
1518
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +00001519- Issue #5249: time.strftime returned malformed string when format string
1520 contained non ascii character on windows.
1521
Benjamin Petersonf5b52242009-03-02 23:31:26 +00001522- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
1523 source has already been decoded into str.
1524
Antoine Pitrou79eee6b2009-02-13 14:01:05 +00001525- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
1526 rotating the object pointer by 4 bits to the right.
1527
Mark Dickinson87ec0852009-02-09 17:15:59 +00001528- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
1529 it now forces its argument to double before testing for infinity.
1530
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +00001531- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
1532 returns a non-number type.
1533
Benjamin Peterson87618552009-02-08 15:00:52 +00001534- Issue #5182: Removed memoryview.__str__.
1535
Mark Dickinsonc008a172009-02-01 13:59:22 +00001536- Issue #1717: Removed builtin cmp() function, dropped tp_compare
1537 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +00001538 the type definition cmpfunc. The tp_compare slot has been renamed
1539 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +00001540
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001541- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +00001542 were suppressing all exceptions. These include list() and bytearray().
1543
Mark Dickinson1124e712009-01-28 21:25:58 +00001544- Issue #4707: round(x, n) now returns an integer if x is an integer.
1545 Previously it returned a float.
1546
Antoine Pitroub52ec782009-01-25 16:34:23 +00001547- Issue #4753: By enabling a configure option named '--with-computed-gotos'
1548 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
1549 evaluation loop is compiled with a new dispatch mechanism which gives
1550 speedups of up to 20%, depending on the system, on various benchmarks.
1551
Antoine Pitrou81fabdb2009-01-22 10:11:36 +00001552- Issue #4874: Most builtin decoders now reject unicode input.
1553
Mark Dickinson9ffc0202009-01-20 20:45:53 +00001554- Issue #4842: Don't allow trailing 'L' when constructing an integer
1555 from a string.
1556
Benjamin Peterson05e782f2009-01-19 15:15:02 +00001557- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
1558
Antoine Pitroue4bc7f62009-01-17 21:06:43 +00001559- Issue #4838: When a module is deallocated, free the memory backing the
1560 optional module state data.
1561
Mark Dickinson8055afd2009-01-17 10:04:45 +00001562- Issue #4910: Rename nb_long slot to nb_reserved, and change its
1563 type to (void *).
1564
Antoine Pitrou8d4e5052009-01-13 22:59:11 +00001565- Issue #4935: The overflow checking code in the expandtabs() method common
1566 to str, bytes and bytearray could be optimized away by the compiler, letting
1567 the interpreter segfault instead of raising an error.
1568
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +00001569- Issue #3720: Fix a crash when an iterator modifies its class and removes its
1570 __next__ method.
1571
Mark Dickinsone5e298f2009-01-12 20:49:19 +00001572- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
1573 function no longer attempt to call the __long__ slot to convert an object
1574 to an integer. Only the __int__ and __trunc__ slots are examined.
1575
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +00001576- Issue #4893: Use NT threading on CE.
1577
Martin v. Löwisec59d042009-01-12 07:59:10 +00001578- Issue #4915: Port sysmodule to Windows CE.
1579
Antoine Pitrouab868312009-01-10 15:40:25 +00001580- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
1581 common cases are optimized thanks to a dedicated fast path and a moderate
1582 amount of loop unrolling.
1583
Antoine Pitrou14b78f52009-01-09 22:27:08 +00001584- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
1585 collecting the oldest generation) so that allocating lots of objects without
1586 destroying them does not show quadratic performance. Based on a proposal by
1587 Martin von Löwis at
1588 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
1589
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001590- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +00001591 having been closed (for instance, a read() call could return some
1592 previously buffered data). Patch by Dmitry Vasiliev.
1593
Antoine Pitrou05608432009-01-09 18:53:14 +00001594- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
1595 flag to work properly. Furthermore, when specifying -u, the text stdout
1596 and stderr streams have line-by-line buffering enabled (the default being
1597 to buffer arbitrary chunks of data).
1598
Raymond Hettinger35631532009-01-09 03:58:09 +00001599- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
1600 instead of ints (reducing its size from 4 to 8 times thereby reducing
1601 Python's overall memory).
1602
Antoine Pitroud35cbf62009-01-06 19:02:24 +00001603- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
1604 an existing .py counterpart, override the co_filename attributes of all
1605 code objects if the original filename is obsolete (which can happen if the
1606 file has been renamed, moved, or if it is accessed through different paths).
1607 Patch by Ziga Seilnacht and Jean-Paul Calderone.
1608
Antoine Pitrouc3b39242009-01-03 16:59:18 +00001609- Issue #4580: Fix slicing of memoryviews when the item size is greater than
1610 one byte. Also fixes the meaning of len() so that it returns the number of
1611 items, rather than the size in bytes.
1612
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001613- Issue #4075: Use OutputDebugStringW in Py_FatalError.
1614
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +00001615- Issue #4747: When the terminal does not use utf-8, executing a script with
1616 non-ascii characters in its name could fail with a "SyntaxError: None" error.
1617
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001618- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +00001619 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001620
Antoine Pitrou7ddda782009-01-01 15:35:33 +00001621- Issue #3680: Reference cycles created through a dict, set or deque iterator
1622 did not get collected.
1623
Nick Coghlanf1f2f682008-12-30 07:29:12 +00001624- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
1625 where the tp_hash and tp_dict slots are both NULL.
1626
Georg Brandlccc47b62008-12-28 11:44:14 +00001627- Issue #4759: None is now allowed as the first argument of
1628 bytearray.translate(). It was always allowed for bytes.translate().
1629
Skip Montanaro80072cb2008-12-23 03:51:14 +00001630- Added test case to ensure attempts to read from a file opened for writing
1631 fail.
1632
Antoine Pitrou51f3ef92008-12-20 13:14:23 +00001633- Issue #3106: Speedup some comparisons (str/str and int/int).
1634
Antoine Pitrouf289ae62008-12-18 11:06:25 +00001635- Issue #2183: Simplify and optimize bytecode for list, dict and set
1636 comprehensions. Original patch for list comprehensions by Neal Norwitz.
1637
Antoine Pitrou621601a2008-12-17 23:18:19 +00001638- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
1639 print elapsed times, not only when some objects are uncollectable /
1640 unreachable. Original patch by Neil Schemenauer.
1641
Mark Dickinson54bc1ec2008-12-17 16:19:07 +00001642- Issue #3439: Add a bit_length method to int.
1643
Mark Dickinsonda2706b2008-12-11 18:03:03 +00001644- Issue #2173: When getting device encoding, check that return value of
1645 nl_langinfo is not the empty string. This was causing silent build
1646 failures on OS X.
1647
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +00001648- Issue #4597: Fixed several opcodes that weren't always propagating
1649 exceptions.
1650
1651- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +00001652 context manager returns a value that cannot be converted to a bool.
1653
Mark Dickinsonfd24b322008-12-06 15:33:31 +00001654- Issue #4445: Replace "sizeof(PyBytesObject)" with
1655 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
1656 bytes instances. On a typical machine this saves 3 bytes of memory
1657 (on average) per allocation of a bytes instance.
1658
Christian Heimesa872de52008-12-05 08:26:55 +00001659- Issue #4533: File read operation was dreadfully slow due to a slowly
1660 growing read buffer. Fixed by using the same growth rate algorithm as
1661 Python 2.x.
1662
Antoine Pitrou5504e892008-12-06 21:27:53 +00001663- Issue #4509: Various issues surrounding resize of bytearray objects to
1664 which there are buffer exports (e.g. memoryview instances).
1665
Georg Brandlf9734072008-12-07 15:30:06 +00001666- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
1667 method on file objects with closefd=False. The file descriptor is still
1668 kept open but the file object behaves like a closed file. The ``FileIO``
1669 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +00001670
Antoine Pitroubc420402008-12-07 20:14:49 +00001671- Issue #4569: Interpreter crash when mutating a memoryview with an item size
1672 larger than 1.
1673
Benjamin Peterson371ccfb2008-12-27 19:03:36 +00001674- Issue #4748: Lambda generators no longer return a value.
1675
Gregory P. Smithccc5ae72009-03-02 05:21:55 +00001676- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
1677
Walter Dörwaldc1651a02009-05-03 22:55:55 +00001678- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
1679 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
1680 step. This avoids problems with counting UTF-8 bytes that ignores the effect
1681 of using the replace error handler in PyUnicode_DecodeUTF8().
1682
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001683Library
1684-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001685
Tarek Ziadé04fe7c02009-10-25 23:08:47 +00001686- Issue #7071: byte-compilation in Distutils is now done with respect to
1687 sys.dont_write_bytecode.
1688
Tarek Ziadé978cca62009-10-24 13:38:27 +00001689- Issue #7066: archive_util.make_archive now restores the cwd if an error is
1690 raised. Initial patch by Ezio Melotti.
1691
Vinay Sajip96d4aa32009-10-16 14:06:44 +00001692- Issue #6516: Added owner/group support when creating tar archives in
Tarek Ziadé05b30342009-10-02 23:56:02 +00001693 Distutils.
1694
Tarek Ziadé31d46072009-09-21 13:55:19 +00001695- Issue #6954: Fixed crash when using DISTUTILS_DEBUG flag in Distutils.
1696
Tarek Ziadé165581c2009-09-09 08:48:07 +00001697- Issue #6163: Fixed HP-UX runtime library dir options in
1698 distutils.unixcompiler. Initial patch by Sridhar Ratnakumar and
1699 Michael Haubenwallner.
1700
Tarek Ziadé4a608c02009-08-20 21:28:05 +00001701- Issue #6693: New functions in site.py to get user/global site packages paths.
1702
Amaury Forgeot d'Arcbc347802009-07-28 22:18:57 +00001703- Issue #6511: ZipFile now raises BadZipfile (instead of an IOError) when
1704 opening an empty or very small file.
1705
1706- Issue #6545: Removed assert statements in distutils.Extension, so the
Tarek Ziadé2f19bb12009-07-22 08:57:28 +00001707 behavior is similar when used with -O.
1708
Benjamin Petersonbed7d042009-07-19 21:01:52 +00001709- unittest has been split up into a package. All old names should still work.
1710
Tarek Ziadéf8926b22009-07-16 16:18:19 +00001711- Issue #6466: now distutils.cygwinccompiler and distutils.emxccompiler
1712 uses the same refactored function to get gcc/ld/dllwrap versions numbers.
1713 It's `distutils.util.get_compiler_versions`. Added deprecation warnings
1714 for the obsolete get_versions() functions.
1715
Alexandre Vassalottie52e3782009-07-17 09:18:18 +00001716- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
1717
1718- Issue #6314: logging: Extra checks on the "level" argument in more places.
1719
1720- Issue #2622: Fixed an ImportError when importing email.messsage from a
1721 standalone application built with py2exe or py2app.
1722
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001723- Issue #6455: Fixed test_build_ext under win32.
Tarek Ziadéb7815e32009-07-10 09:14:31 +00001724
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001725- Issue #6377: Enabled the compiler option, and deprecate its usage as an
Tarek Ziadédd07ebb2009-07-06 13:52:17 +00001726 attribute.
1727
Tarek Ziadé05bf01a2009-07-04 02:04:21 +00001728- Issue #6413: Fixed the log level in distutils.dist for announce.
1729
Tarek Ziadée10d6de2009-07-03 08:33:28 +00001730- Issue #6403: Fixed package path usage in build_ext.
1731
Alexandre Vassalottie52e3782009-07-17 09:18:18 +00001732- Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was
1733 unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
1734 descriptor errors
1735
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001736- Issue #6365: Distutils build_ext inplace mode was copying the compiled
Tarek Ziadé0156f912009-06-29 16:19:22 +00001737 extension in a subdirectory if the extension name had dots.
1738
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001739- Issue #6164: Added an AIX specific linker argument in Distutils
Tarek Ziadé8f480e52009-06-28 21:30:52 +00001740 unixcompiler. Original patch by Sridhar Ratnakumar.
1741
Tarek Ziadé25bd2062009-06-28 21:26:27 +00001742- Issue #6286: Now Distutils upload command is based on urllib2 instead of
1743 httplib, allowing the usage of http_proxy.
1744
Tarek Ziadé5e06a652009-06-16 07:43:42 +00001745- Issue #6287: Added the license field in Distutils documentation.
1746
Tarek Ziadéff543362009-06-11 09:25:41 +00001747- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
1748
Tarek Ziadéabcc3f42009-06-11 08:31:17 +00001749- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
1750 in Makefiles. This prevents compile errors when using syntax like:
1751 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
1752
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +00001753- Issue #6131: test_modulefinder leaked when run after test_distutils.
1754 Patch by Hirokazu Yamamoto.
1755
Tarek Ziadé77c8b372009-05-28 13:01:13 +00001756- Issue #6048: Now Distutils uses the tarfile module in archive_util.
1757
Vinay Sajipaffbd872009-06-11 10:11:47 +00001758- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +00001759 and tests on pywin32 by Tim Golden.
1760
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +00001761- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
1762
Tarek Ziadéd18a84e2009-05-18 08:07:46 +00001763- Issue #6046: Fixed the library extension when distutils build_ext is used
1764 inplace. Initial patch by Roumen Petrov.
1765
Vinay Sajipaffbd872009-06-11 10:11:47 +00001766- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +00001767 subcommand.
1768
Tarek Ziadé4210c6e2009-05-14 20:20:47 +00001769- Issue #6022: a test file was created in the current working directory by
1770 test_get_outputs in Distutils.
1771
Tarek Ziadéff0e5002009-05-12 17:14:01 +00001772- Issue #5977: distutils build_ext.get_outputs was not taking into account the
1773 inplace option. Initial patch by kxroberto.
1774
Tarek Ziadé06fbee12009-05-10 10:34:01 +00001775- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
1776 for old-style extensions.
1777
Tarek Ziadébe5b1b92009-05-09 10:09:11 +00001778- Issue #5976: Fixed Distutils test_check_environ.
1779
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00001780- Issue #5941: Distutils build_clib command was not working anymore because
1781 of an incomplete costumization of the archiver command. Added ARFLAGS in the
1782 Makefile besides AR and make Distutils use it. Original patch by David
1783 Cournapeau.
1784
R. David Murrayb507d2e2009-04-29 15:34:32 +00001785- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
1786
Vinay Sajipaffbd872009-06-11 10:11:47 +00001787- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +00001788 anymore.
1789
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001790- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +00001791 sysconfig.get_config_vars.
1792
Tarek Ziadé23336082009-04-25 12:39:56 +00001793- Issue #4951: Fixed failure in test_httpservers.
1794
Thomas Hellerd3cfe992009-04-24 20:10:24 +00001795- Issue #5795: Fixed test_distutils failure on Debian ppc.
1796
Tarek Ziadé822e1d42009-04-13 12:37:57 +00001797- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
1798
Georg Brandl1f9fa312009-04-27 16:42:58 +00001799- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
1800 a value in SafeConfigParser.
1801
Tarek Ziadéf396ecf2009-04-11 15:00:43 +00001802- Issue #5732: added a new command in Distutils: check.
1803
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001804- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +00001805 platforms. Initial patch by Paul Moore.
1806
Tarek Ziadéf6370502009-04-05 22:57:21 +00001807- Issue #5095: Added bdist_msi to the list of bdist supported formats.
1808 Initial fix by Steven Bethard.
1809
Tarek Ziadé889b0aa2009-04-05 21:49:36 +00001810- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
1811 Initial fix by Wayne Davison.
1812
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001813- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +00001814
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001815- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +00001816
Brett Cannonf47e84c2009-04-01 16:06:01 +00001817- Issue #1665206 (partially): Move imports in cgitb to the top of the module
1818 instead of performing them in functions. Helps prevent import deadlocking in
1819 threads.
1820
R. David Murraye59482e2009-04-01 03:42:00 +00001821- Issue #2522: locale.format now checks its first argument to ensure it has
1822 been passed only one pattern, avoiding mysterious errors where it appeared
1823 that it was failing to do localization.
1824
Tarek Ziadéb2e36f12009-03-31 22:37:55 +00001825- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
1826 Brandl.
1827
Antoine Pitrou350370c2009-03-14 00:13:13 +00001828- Issue #1222: locale.format() bug when the thousands separator is a space
1829 character.
1830
Tarek Ziadé516db942009-03-11 12:52:00 +00001831- Issue #5472: Fixed distutils.test_util tear down. Original patch by
1832 Tim Golden.
1833
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +00001834- collections.deque() objects now have a read-only attribute called maxlen.
1835
Guilherme Polof45b4cc2009-03-07 02:19:14 +00001836- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
1837 it is has been populated and properly configured in order to prevent
1838 window flashing.
1839
Guilherme Polo56f5be52009-03-07 01:54:57 +00001840- Issue #4792: Prevent a segfault in _tkinter by using the
1841 guaranteed to be safe interp argument given to the PythonCmd in place of
1842 the Tcl interpreter taken from a PythonCmd_ClientData.
1843
1844- Issue #5193: Guarantee that tkinter.Text.search returns a string.
1845
Tarek Ziadé63b64c02009-03-07 00:51:53 +00001846- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
1847 Original patch by Akira Kitada.
1848
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00001849- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
1850
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00001851- Issue #5385: Fixed mmap crash after resize failure on windows.
1852
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00001853- Issue #5179: Fixed subprocess handle leak on failure on windows.
1854
Raymond Hettinger2d32f632009-03-02 21:24:57 +00001855- PEP 372: Added collections.OrderedDict().
1856
Raymond Hettingera4f52b12009-03-02 22:28:31 +00001857- The _asdict() for method for namedtuples now returns an OrderedDict().
1858
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00001859- configparser now defaults to using an ordered dictionary.
1860
Benjamin Petersone0124bd2009-03-09 21:04:33 +00001861- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
1862 import guess_extension`` was used.
1863
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00001864- Issue #1733986: Fixed mmap crash in accessing elements of second map object
1865 with same tagname but larger size than first map. (Windows)
1866
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00001867- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
1868 overrun.
1869
Tarek Ziadéf0721222009-02-28 10:16:43 +00001870- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
1871 bdist_rpm command.
1872
1873- Issue #5378: added --quiet option to Distutils bdist_rpm command.
1874
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001875- Issue #5052: make Distutils compatible with 2.3 again.
1876
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00001877- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
1878 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001879
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001880- Issue #5287: Add exception handling around findCaller() call to help out
1881 IronPython.
1882
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00001883- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
1884 The file was resized to wrong size.
1885
1886- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
1887
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001888- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00001889 from the package_data and the data_files metadata.
1890
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001891- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00001892 support.TempdirManager, to avoid writing in the tests directory.
1893
Tarek Ziadé68c50952009-02-13 23:04:17 +00001894- Issue #4524: distutils build_script command failed with --with-suffix=3.
1895 Initial patch by Amaury Forgeot d'Arc.
1896
Tarek Ziadé811d6242009-02-13 22:26:15 +00001897- Issue #2461: added tests for distutils.util
1898
Mark Dickinsonc28ad272009-02-12 17:58:36 +00001899- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
1900 which inherited from numbers.py which did not have __slots__ defined. The
1901 numbers hierarchy now has its own __slots__ declarations.
1902
Antoine Pitroub353c122009-02-11 00:39:14 +00001903- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
1904 encoding.
1905
Thomas Heller465c8022009-02-10 18:59:04 +00001906- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
1907 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
1908
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00001909- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
1910 under NT and OS2. Patch by Philip Jenvey.
1911
Brett Cannonbefb14f2009-02-10 02:10:16 +00001912- Issue #5128: Make compileall properly inspect bytecode to determine if needs
1913 to be recreated. This avoids a timing hole thanks to the old reliance on the
1914 ctime of the files involved.
1915
Guilherme Polob681df42009-02-09 22:33:59 +00001916- Issue #5122: Synchronize tk load failure check to prevent a potential
1917 deadlock.
1918
Benjamin Petersona86f2c02009-02-10 02:41:10 +00001919- Issue #1818: collections.namedtuple() now supports a keyword argument
1920 'rename' which lets invalid fieldnames be automatically converted to
1921 positional names in the form, _1, _2, ...
1922
Guilherme Poloae098992009-02-09 16:44:24 +00001923- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
1924
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00001925- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
1926 public documented method ``ZipImporter.get_filename()``.
1927
Nick Coghlan3f48ae32009-02-08 01:58:26 +00001928- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
1929 the execution of packages by looking for and executing a ``__main__``
1930 submodule when a package name is supplied. Initial patch by Andi
1931 Vajda.
1932
Guilherme Polo491aee22009-02-06 23:16:11 +00001933- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
1934 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
1935 Tkapp_Call when calling from a thread different than the one that created
1936 the Tcl interpreter. Patch by Robert Hancock.
1937
Eric Smith0e5b5622009-02-06 01:32:42 +00001938- Issue #4285: Change sys.version_info to be a named tuple. Patch by
1939 Ross Light.
1940
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001941- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00001942 environment/Makefile. Patch by Douglas Greiman.
1943
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00001944- Issue #1276768: The verbose option was not used in the code of
1945 distutils.file_util and distutils.dir_util.
1946
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001947- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00001948 --enabled-shared activated. Initial patch by Dave Peterson.
1949
Guilherme Polo7f423952009-02-02 21:17:09 +00001950- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
1951
Raymond Hettinger85602262009-02-03 04:19:10 +00001952- The shelve module now defaults to pickle protocol 3.
1953
Brett Cannone61426e2009-01-30 01:31:34 +00001954- Fix a bug in the trace module where a bytes object from co_lnotab had its
1955 items being passed through ord().
1956
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00001957- Issue #2047: shutil.move() could believe that its destination path was
1958 inside its source path if it began with the same letters (e.g. "src" vs.
1959 "src.new").
1960
Guilherme Polo5f238482009-01-28 14:41:10 +00001961- Added the ttk module. See issue #2983: Ttk support for Tkinter.
1962
Raymond Hettinger89e12962009-01-26 02:09:03 +00001963- Removed isSequenceType(), isMappingType, and isNumberType() from the
1964 operator module; use the abstract base classes instead. Also removed
1965 the repeat() function; use mul() instead.
1966
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001967- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00001968 collections.namedtuple() relied on __name__ being defined.
1969
1970- Backport importlib from Python 3.1. Only the import_module() function has
1971 been backported to help facilitate transitions from 2.7 to 3.1.
1972
Tarek Ziadé0302cf52009-01-26 17:23:20 +00001973- Issue #1885: distutils. When running sdist with --formats=tar,gztar
1974 the tar file was overriden by the gztar one.
1975
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00001976- Issue #4863: distutils.mwerkscompiler has been removed.
1977
Raymond Hettingerd07d9392009-01-27 04:20:44 +00001978- Added a new itertools functions: combinations_with_replacement()
1979 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00001980
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001981- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00001982 allowed non-integer arguments.
1983
Jesse Noller41faa542009-01-25 03:45:53 +00001984- Fix and properly document the multiprocessing module's logging
1985 support, expose the internal levels and provide proper usage
1986 examples.
1987
Mark Dickinsoncddcf442009-01-24 21:46:33 +00001988- Issue #1672332: fix unpickling of subnormal floats, which was
1989 producing a ValueError on some platforms.
1990
Martin v. Löwisacbf4612009-01-24 16:19:45 +00001991- Issue #3881: Help Tcl to load even when started through the
1992 unreadable local symlink to "Program Files" on Vista.
1993
Martin v. Löwis59e47792009-01-24 14:10:07 +00001994- Issue #4710: Extract directories properly in the zipfile module;
1995 allow adding directories to a zipfile.
1996
Vinay Sajipb672b6d2009-02-19 12:36:11 +00001997- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00001998 --without-threads argument. When this occurs, _multiprocessing will
1999 be disabled, and not compiled.
2000
Antoine Pitrou08838b62009-01-21 00:55:13 +00002001- Issue #5008: When a file is opened in append mode with the new IO library,
2002 do an explicit seek to the end of file (so that e.g. tell() returns the
2003 file size rather than 0). This is consistent with the behaviour of the
2004 traditional 2.x file object.
2005
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002006- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
2007 parameter was set.
2008
Mark Dickinson8dd05142009-01-20 20:43:58 +00002009- Issue #4842: Always append a trailing 'L' when pickling longs using
2010 pickle protocol 0. When reading, the 'L' is optional.
2011
Brett Cannonafccd632009-01-20 02:21:27 +00002012- Add the importlib package.
2013
Jesse Noller9a0fc972009-01-18 21:12:58 +00002014- Issue #4301: Patch the logging module to add processName support, remove
2015 _check_logger_class from multiprocessing.
2016
Jesse Noller1cbb17a2009-01-18 19:45:18 +00002017- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002018 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00002019
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00002020- Issue #4959: inspect.formatargspec now works for keyword only arguments
2021 without defaults.
2022
Jesse Noller6214edd2009-01-19 16:23:53 +00002023- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
2024 for *nix machines for negative handles and large int handles. Without this check
2025 it is possible to segfault the interpreter.
2026
Jesse Nollerb0516a62009-01-18 03:11:38 +00002027- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
2028 in sharedctypes.py.
2029
2030- Issue #1225107: inspect.isclass() returned True for instances with a custom
2031 __getattr__.
2032
Gregory P. Smithde3369f2009-01-12 04:50:11 +00002033- Issue #3826 and #4791: The socket module now closes the underlying socket
2034 appropriately when it is being used via socket.makefile() objects
2035 rather than delaying the close by waiting for garbage collection to do it.
2036
Raymond Hettingerb8baf632009-01-14 02:20:07 +00002037- Issue #1696199: Add collections.Counter() for rapid and convenient
2038 counting.
2039
Antoine Pitrou308705e2009-01-10 16:22:51 +00002040- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
2041
Thomas Heller5e4e4272009-01-08 09:34:20 +00002042- Issue #4867: Fixed a crash in ctypes when passing a string to a
2043 function without defining argtypes.
2044
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00002045- Issue #4272: Add an optional argument to the GzipFile constructor to override
2046 the timestamp in the gzip stream. The default value remains the current time.
2047 The information can be used by e.g. gunzip when decompressing. Patch by
2048 Jacques Frechet.
2049
Mark Dickinson315a20a2009-01-04 21:34:18 +00002050- Restore Python 2.3 compatibility for decimal.py.
2051
Guilherme Polo3f5f8222009-01-03 22:00:39 +00002052- Issue #3638: Remove functions from _tkinter module level that depend on
2053 TkappObject to work with multiple threads.
2054
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002055- Issue #4718: Adapt the wsgiref package so that it actually works with
2056 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00002057 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
2058
Raymond Hettinger771ed762009-01-03 19:20:32 +00002059- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
2060 to the decimal module.
2061
Georg Brandl3a9b0622009-01-03 22:07:57 +00002062- Fractions.from_float() no longer loses precision for integers too big to
2063 cast as floats.
2064
Mark Dickinsonf9236412009-01-02 23:23:21 +00002065- Issue #4812: add missing underscore prefix to some internal-use-only
2066 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
2067
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002068- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00002069 did unnecessary work in the common case where no key function was specified.
2070
Georg Brandlb1441c72009-01-03 22:33:39 +00002071- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
2072 the function is not a generator.
2073
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002074- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
2075 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00002076
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002077- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00002078 function. Original patch by Thomas Heller.
2079
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00002080- Issue #3767: Convert Tk object to string in tkColorChooser.
2081
Martin v. Löwise354d782008-12-29 16:03:04 +00002082- Issue #3248: Allow placing ScrolledText in a PanedWindow.
2083
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00002084- Issue #4444: Allow assertRaises() to be used as a context handler, so that
2085 the code under test can be written inline if more practical.
2086
Georg Brandldb7b6b92009-01-01 15:53:14 +00002087- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
2088 works as expected in the interactive environment.
2089
Antoine Pitroudb5fe662008-12-27 15:50:40 +00002090- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
2091 Gabriel Genellina.
2092
Antoine Pitrou180a3362008-12-14 16:36:46 +00002093- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
2094 boundary.
2095
Nick Coghlanf088e5e2008-12-14 11:50:48 +00002096- Issue #4223: inspect.getsource() will now correctly display source code
2097 for packages loaded via zipimport (or any other conformant PEP 302
2098 loader). Original patch by Alexander Belopolsky.
2099
2100- Issue #4201: pdb can now access and display source code loaded via
2101 zipimport (or any other conformant PEP 302 loader). Original patch by
2102 Alexander Belopolsky.
2103
2104- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
2105 302 conformant loader) will now work correctly in most cases (they
2106 are still subject to the constraints that exist for all code running
2107 from inside a module loaded via a PEP 302 loader and attempting to
2108 perform IO operations based on __file__). Original patch by
2109 Alexander Belopolsky.
2110
2111- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
2112 allows backporting to maintenance branches. Original patch by
2113 Alexander Belopolsky.
2114
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00002115- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
2116 a non-ASCII letter.
2117
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00002118- Issue #4616: TarFile.utime(): Restore directory times on Windows.
2119
Benjamin Peterson433f32c2008-12-12 01:25:05 +00002120- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
2121 codec cannot be found. This is for compatibility with the builtin behavior.
2122
Facundo Batista708d5812008-12-11 04:20:07 +00002123- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
2124 give correct results in the case where one argument is a quiet NaN
2125 and the other is a finite number that requires rounding.
2126
Skip Montanaroc1ce2862008-12-06 17:25:02 +00002127- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
2128 libs.
2129
Georg Brandlf9734072008-12-07 15:30:06 +00002130- Added the subprocess.check_call_output() convenience function to get output
2131 from a subprocess on success or raise an exception on error.
2132
2133- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
2134 support unusual filenames (such as those containing semi-colons) in
2135 Content-Disposition headers.
2136
2137- Issue #4384: Added logging integration with warnings module using
2138 captureWarnings(). This change includes a NullHandler which does nothing;
2139 it will be of use to library developers who want to avoid the "No handlers
2140 could be found for logger XXX" message which can appear if the library user
2141 doesn't configure logging.
2142
2143- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
2144 exception.
2145
Georg Brandleee31162008-12-07 15:15:22 +00002146- Issue #4529: fix the parser module's validation of try-except-finally
2147 statements.
2148
2149- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
2150 not a malformed option.
2151
2152- Added the subprocess.check_output() convenience function to get output
2153 from a subprocess on success or raise an exception on error.
2154
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00002155- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
2156 the corresponding tests now pass.
2157
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00002158- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
2159 it was calling the wrong open() function.
2160
Fred Drake9a0a65b2008-12-04 19:24:50 +00002161- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
2162 support unusual filenames (such as those containing semi-colons) in
2163 Content-Disposition headers.
2164
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00002165- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
2166 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
2167
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00002168- Issue #5104: The socket module now raises OverflowError when 16-bit port and
2169 protocol numbers are supplied outside the allowed 0-65536 range on bind()
2170 and getservbyport().
2171
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00002172- Windows locale mapping updated to Vista.
2173
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00002174Tools/Demos
2175-----------
2176
Antoine Pitrou8a681222009-02-07 17:13:31 +00002177- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
2178 and make it 2.6-compatible.
2179
Guilherme Poloa7d27972009-01-28 16:06:51 +00002180- Ttk demos added in Demo/tkinter/ttk/
2181
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00002182- Issue #4677: add two list comprehension tests to pybench.
2183
Georg Brandlb1441c72009-01-03 22:33:39 +00002184
2185Build
2186-----
2187
Benjamin Petersonf53eec82009-05-23 19:36:27 +00002188- Issue #6094: Build correctly with Subversion 1.7.
2189
Martin v. Löwis8482ef92009-05-05 16:14:30 +00002190- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
2191
Antoine Pitrou8966c992009-05-01 21:18:27 +00002192- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
2193 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
2194
Matthias Klose55708cc2009-04-30 08:06:49 +00002195- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00002196 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00002197
Matthias Klose906785c2009-02-22 23:18:38 +00002198- Link the shared python library with $(MODLIBS).
2199
Martin v. Löwis11f72102009-02-10 13:13:30 +00002200- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
2201
Martin v. Löwisbc186a82009-02-02 15:32:22 +00002202- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
2203
Martin v. Löwise97637d2009-01-11 09:45:11 +00002204- Issue #4895: Use _strdup on Windows CE.
2205
Georg Brandlb1441c72009-01-03 22:33:39 +00002206- Issue #4472: "configure --enable-shared" now works on OSX
2207
2208- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
2209
2210- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
2211
2212- Issue #4289: Remove Cancel button from AdvancedDlg.
2213
2214- Issue #1656675: Register a drop handler for .py* files on Windows.
2215
2216- Issue #4120: Exclude manifest from extension modules in VS2008.
2217
2218- Issue #4091: Install pythonxy.dll in system32 again.
2219
2220- Issue #4018: Disable "for me" installations on Vista.
2221
2222- Issue #3758: Add ``patchcheck`` build target to .PHONY.
2223
2224- Issue #4204: Fixed module build errors on FreeBSD 4.
2225
2226
2227C-API
2228-----
2229
Sean Reifscheider642d96a2009-08-01 23:55:06 +00002230- Issue #6624: yArg_ParseTuple with "s" format when parsing argument with
2231 NUL: Bogus TypeError detail string.
2232
Mark Dickinson21776072009-02-10 16:13:25 +00002233- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
2234 for negative arguments. Previously, it raised TypeError.
2235
Georg Brandlb1441c72009-01-03 22:33:39 +00002236- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
2237
2238- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
2239 the GIL is released, or owned by another thread.
2240
2241- Issue #4122: On Windows, fix a compilation error when using the
2242 Py_UNICODE_ISSPACE macro in an extension module.
2243
2244
Mark Dickinsone675f082008-12-11 21:56:00 +00002245Extension Modules
2246-----------------
2247
Gregory P. Smith365a1862009-02-12 07:35:29 +00002248- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
2249 supporting objects as input no matter how it was compiled (built in
2250 implementations or external openssl library).
2251
Mark Dickinson29500f62009-01-15 15:36:10 +00002252- Issue #4397: Fix occasional test_socket failure on OS X.
2253
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00002254- Issue #4279: Fix build of parsermodule under Cygwin.
2255
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00002256- Issue #4751: hashlib now releases the GIL when hashing large buffers
2257 (with a hardwired threshold of 2048 bytes), allowing better parallelization
2258 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
2259
Martin v. Löwis5c88d812009-01-02 20:47:48 +00002260- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
2261
Antoine Pitrou31f30b12009-01-02 17:34:35 +00002262- Issue #4738: Each zlib object now has a separate lock, allowing to compress
2263 or decompress several streams at once on multi-CPU systems. Also, the GIL
2264 is now released when computing the CRC of a large buffer. Patch by ebfe.
2265
Georg Brandlb1441c72009-01-03 22:33:39 +00002266- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
2267
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00002268- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
2269
Mark Dickinsone675f082008-12-11 21:56:00 +00002270- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
2271 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00002272
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00002273- Issue #4583: array.array would not always prohibit resizing when a buffer
2274 has been exported, resulting in an interpreter crash when accessing the
2275 buffer.
2276
Martin v. Löwis841edad2008-11-30 10:36:49 +00002277
Jack Diederiche0cbd692009-04-01 04:27:09 +00002278- Issue #5228: Make functools.partial objects can now be pickled.
2279
Guilherme Polo9de29af2009-01-28 20:40:48 +00002280Tests
2281-----
2282
Antoine Pitrou88909542009-06-29 13:54:42 +00002283- Issue #6152: New option '-j'/'--multiprocess' for regrtest allows running
2284 regression tests in parallel, shortening the total runtime.
2285
Guilherme Polo2a998fa2009-06-21 17:40:07 +00002286- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
2287 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
2288 the same behaviour as test_ttkguionly (and now also test_tk) which is to
2289 skip the tests if DISPLAY is defined but can't be used.
2290
R. David Murraya21e4ca2009-03-31 23:16:50 +00002291- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00002292 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00002293 from test support, which does the conversion.
2294
Guilherme Polo9de29af2009-01-28 20:40:48 +00002295- Issue #5083: New 'gui' resource for regrtest.
2296
2297
Brett Cannon7317c1e2008-11-25 19:19:17 +00002298Docs
2299----
2300
Georg Brandl52b92cc2008-05-25 09:43:03 +00002301
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00002302**(For information about older versions, consult the HISTORY file.)**