blob: dac91909bdcfc1d2a96f52a1a09808b7c250d88f [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
Mark Dickinson3318d292010-04-06 16:53:17 +000015- Issue #8259: 1L << (2**31) no longer produces an 'outrageous shift error'
16 on 64-bit machines. The shift count for either left or right shift is
17 permitted to be up to sys.maxsize.
18
Benjamin Peterson8daa49e2010-04-03 22:55:48 +000019- Ensure that tokenization of identifiers is not affected by locale.
20
Tarek Ziadé03d788d2010-04-03 08:46:49 +000021- Issue #1222585: Added LDCXXSHARED for C++ support. Patch by Arfrever.
22
Benjamin Peterson80d8fd82010-04-03 01:40:24 +000023- Raise a TypeError when trying to delete a T_STRING_INPLACE struct member.
24
Victor Stinner00d6a1d2010-03-25 01:02:29 +000025- Issue #8211: Save/restore CFLAGS around AC_PROG_CC in configure.in, compiler
26 optimizations are disabled when --with-pydebug is used.
27
Victor Stinner120c2122010-03-25 00:30:28 +000028- Issue #8226: sys.setfilesystemencoding() raises a LookupError if the encoding
29 is unknown
30
Victor Stinner808fc0a2010-03-22 12:50:40 +000031- Issue #1583863: An str subclass can now override the __str__ method
32
Mark Dickinsond59b4162010-03-13 11:34:40 +000033- Issue #8014: Setting a T_UINT or T_PYSSIZET attribute of an object with
34 PyMemberDefs could produce an internal error; raise TypeError instead.
35
Mark Dickinsonf673f0c2010-03-13 09:48:39 +000036- Issue #7845: Rich comparison methods on the complex type now return
37 NotImplemented rather than raising a TypeError when comparing with an
38 incompatible type; this allows user-defined classes to implement their own
39 comparisons with complex.
40
Victor Stinner52f6dd72010-03-12 14:45:56 +000041- Issue #3137: Don't ignore errors at startup, especially a keyboard interrupt
42 (SIGINT). If an error occurs while importing the site module, the error is
43 printed and Python exits. Initialize the GIL before importing the site
44 module.
45
Benjamin Petersonae5f2f42010-03-07 17:10:51 +000046- Issue #7173: Generator finalization could invalidate sys.exc_info().
47
Victor Stinner45b9be52010-03-03 23:28:07 +000048- Issue #7544: Preallocate thread memory before creating the thread to avoid
49 a fatal error in low memory condition.
50
Victor Stinner6aa278e2010-03-03 00:18:49 +000051- Issue #7820: The parser tokenizer restores all bytes in the right if
52 the BOM check fails.
53
Benjamin Peterson23e018a2010-02-27 17:40:01 +000054- Handle errors from looking up __prepare__ correctly.
55
Larry Hastings1373a072010-02-24 22:49:58 +000056- Issue #5939: Add additional runtime checking to ensure a valid capsule
57 in Modules/_ctypes/callproc.c.
58
Eric Smith0facd772010-02-24 15:42:29 +000059- Issue #7309: Fix unchecked attribute access when converting
60 UnicodeEncodeError, UnicodeDecodeError, and UnicodeTranslateError to
61 strings.
62
Eric Smithabb28c62010-02-23 00:22:24 +000063- Issue #6902: Fix problem with built-in types format incorrectly with
64 0 padding.
65
Eric Smith4e260c52010-02-22 18:54:44 +000066- Issue #7988: Fix default alignment to be right aligned for
67 complex.__format__. Now it matches other numeric types.
68
Eric Smith68af50b2010-02-22 14:58:30 +000069- Issue #5988: Remove deprecated functions PyOS_ascii_formatd,
70 PyOS_ascii_strtod, and PyOS_ascii_atof. Use PyOS_double_to_string
71 and PyOS_string_to_double instead. See issue #5835 for the original
72 deprecations.
73
Antoine Pitrou05b7c562010-02-02 22:47:00 +000074- Issue #7385: Fix a crash in `MemoryView_FromObject` when
75 `PyObject_GetBuffer` fails. Patch by Florent Xicluna.
76
Mark Dickinsonbc099642010-01-29 17:27:24 +000077- Issue #7788: Fix an interpreter crash produced by deleting a list
78 slice with very large step value.
79
Eric Smithf7bb5782010-01-27 00:44:57 +000080- Issue #7766: Change sys.getwindowsversion() return value to a named
81 tuple and add the additional members returned in an OSVERSIONINFOEX
82 structure. The new members are service_pack_major, service_pack_minor,
83 suite_mask, and product_type.
84
Antoine Pitroufc8d6f42010-01-17 12:38:54 +000085- Issue #7561: Operations on empty bytearrays (such as `int(bytearray())`)
86 could crash in many places because of the PyByteArray_AS_STRING() macro
87 returning NULL. The macro now returns a statically allocated empty
88 string instead.
89
Antoine Pitroub7fbcd32010-01-16 18:37:38 +000090- Issue #6690: Optimize the bytecode for expressions such as `x in {1, 2, 3}`,
91 where the right hand operand is a set of constants, by turning the set into
92 a frozenset and pre-building it as a constant. The comparison operation
93 is made against the constant instead of building a new set each time it is
94 executed (a similar optimization already existed which turned a list of
95 constants into a pre-built tuple). Patch and additional tests by Dave
96 Malcolm.
97
Antoine Pitrouf2c54842010-01-13 08:07:53 +000098- Issue #7622: Improve the split(), rsplit(), splitlines() and replace()
99 methods of bytes, bytearray and unicode objects by using a common
100 implementation based on stringlib's fast search. Patch by Florent Xicluna.
101
Mark Dickinson45b63652010-01-16 18:10:25 +0000102- Issue #7632: Fix various str -> float conversion bugs present in 2.7
103 alpha 2, including: (1) a serious 'wrong output' bug that could
104 occur for long (> 40 digit) input strings, (2) a crash in dtoa.c
105 that occurred in debug builds when parsing certain long numeric
Mark Dickinsonc4f18682010-01-17 14:39:12 +0000106 strings corresponding to subnormal values, (3) a memory leak for
107 some values large enough to cause overflow, and (4) a number of
108 flaws that could lead to incorrectly rounded results.
Mark Dickinson81612e82010-01-12 23:04:19 +0000109
Benjamin Petersonaea44282010-01-04 01:10:28 +0000110- The __complex__ method is now looked up on the class of instances to make it
111 consistent with other special methods.
112
Antoine Pitrouda2ecaf2010-01-02 21:40:36 +0000113- Issue #7462: Implement the stringlib fast search algorithm for the `rfind`,
114 `rindex`, `rsplit` and `rpartition` methods. Patch by Florent Xicluna.
115
Benjamin Petersond12362a2009-12-30 19:44:54 +0000116- Issue #7604: Deleting an unset slotted attribute did not raise an
117 AttributeError.
118
Mark Dickinson9ab44b52009-12-30 16:22:49 +0000119- Issue #7534: Fix handling of IEEE specials (infinities, nans,
120 negative zero) in ** operator. The behaviour now conforms to that
121 described in C99 Annex F.
122
Mark Dickinsoncbb62742009-12-27 15:09:50 +0000123- Issue #1811: improve accuracy and cross-platform consistency for
124 true division of integers: the result of a/b is now correctly
125 rounded for ints a and b (at least on IEEE 754 platforms), and in
126 particular does not depend on the internal representation of an int.
127
Ronald Oussoren6f6c5622009-12-24 14:03:19 +0000128- Issue #6834: replace the implementation for the 'python' and 'pythonw'
129 executables on OSX.
130
131 These executables now work properly with the arch(1) command:
132 ``arch -ppc python`` will start a universal binary version of python
133 in PPC mode (unlike previous releases).
134
Antoine Pitrou6b7dfc92009-12-12 19:18:27 +0000135- Issue #7466: segmentation fault when the garbage collector is called
136 in the middle of populating a tuple. Patch by Florent Xicluna.
137
Amaury Forgeot d'Arc64f3ca42009-12-01 21:59:18 +0000138- Issue #7419: setlocale() could crash the interpreter on Windows when called
139 with invalid values.
140
Amaury Forgeot d'Arc7d0bddd2009-11-30 00:08:56 +0000141- Issue #6077: On Windows, files opened with tempfile.TemporaryFile in "wt+"
142 mode would appear truncated on the first '0x1a' byte (aka. Ctrl+Z).
143
Ronald Oussoren3c1928a2009-11-19 17:15:31 +0000144- Issue #7085: Fix crash when importing some extensions in a thread
145 on MacOSX 10.6.
146
Philip Jenvey1309adb2009-11-17 03:43:14 +0000147- Issue #1757126: Fix the cyrillic-asian alias for the ptcp154 encoding.
148
Mark Dickinson6f1d0492009-11-15 13:58:49 +0000149- Issue #6970: Remove redundant calls when comparing objects that don't
150 implement the relevant rich comparison methods.
151
Mark Dickinsond550c9a2009-11-15 09:57:26 +0000152- Issue #7298: fixes for range and reversed(range(...)). Iteration
153 over range(a, b, c) incorrectly gave an empty iterator when a, b and
154 c fit in C long but the length of the range did not. Also fix
155 several cases where reversed(range(a, b, c)) gave wrong results, and
156 fix a refleak for reversed(range(a, b, c)) with large arguments.
157
Raymond Hettingerfc438512009-11-01 20:55:33 +0000158- Issue #7244: itertools.izip_longest() no longer ignores exceptions
159 raised during the formation of an output tuple.
160
Benjamin Petersonb2e796a2009-10-28 21:59:39 +0000161- Issue #3297: On wide unicode builds, do not split unicode characters into
162 surrogates.
163
Mark Dickinsonf9724882009-10-26 21:51:18 +0000164- Remove length limitation when constructing a complex number from a string.
165
Mark Dickinson27a87a22009-10-25 20:43:34 +0000166- Issue #1087418: Boost performance of bitwise operations for longs.
167
Antoine Pitroub6ef9632009-10-24 20:47:05 +0000168- Support for AtheOS has been completely removed from the code base. It was
169 disabled since Python 3.0.
170
171- Support for several legacy threading libraries has been disabled. These
172 libraries are: Mach C threads, SunOS LWP, GNU pth, Irix threads. Support code
173 will be entirely removed in 3.3.
174
Raymond Hettingeraf7adad2009-10-22 11:22:50 +0000175- Peephole constant folding had missed UNARY_POSITIVE.
176
Antoine Pitrou011bd622009-10-20 21:52:47 +0000177- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
178 fixes the problem of some exceptions being thrown at shutdown when the
179 interpreter is killed. Patch by Adam Olsen.
180
Antoine Pitrou671141d2009-10-19 19:37:25 +0000181- Issue #7147: Remove support for compiling Python without complex number
Skip Montanaroba1e0f42009-10-18 14:25:35 +0000182 support.
183
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000184- Issue #7120: logging: Removed import of multiprocessing which is causing
185 crash in GAE.
186
Neil Schemenauere441cb72009-10-14 19:14:38 +0000187- Issue #1754094: Improve the stack depth calculation in the compiler.
188 There should be no other effect than a small decrease in memory use.
189 Patch by Christopher Tur Lesniewski-Laas.
190
Antoine Pitrou403ce782009-10-14 17:14:16 +0000191- Issue #7065: Fix a crash in bytes.maketrans and bytearray.maketrans when
Antoine Pitrou671141d2009-10-19 19:37:25 +0000192 using byte values greater than 127. Patch by Derk Drukker.
Antoine Pitrou403ce782009-10-14 17:14:16 +0000193
Amaury Forgeot d'Arc7d520792009-10-06 21:03:20 +0000194- Issue #1571184: The Unicode database contains properties for more characters.
195 The tables for code points representing numeric values, white spaces or line
196 breaks are now generated from the official Unicode Character Database files,
197 and include information from the Unihan.txt file.
198
Mark Dickinson2683ab02009-09-29 19:21:35 +0000199- Issue #7019: Raise ValueError when unmarshalling bad long data, instead
200 of producing internally inconsistent Python longs.
201
Philip Jenvey26713ca2009-09-29 04:57:18 +0000202- Issue #6990: Fix threading.local subclasses leaving old state around
203 after a reference cycle GC which could be recycled by new locals.
204
Benjamin Peterson4905e802009-09-27 02:43:28 +0000205- Issue #5460: Fix an ambiguity in the grammar.
206
Mark Dickinson3e124ae2009-09-22 21:47:24 +0000207- Issue #1766304: Improve performance of membership tests on range objects.
208
Mark Dickinson0a1efd02009-09-16 21:23:34 +0000209- Issue #6713: Improve performance of integer -> string conversions.
210
Mark Dickinson54a3db92009-09-06 10:19:23 +0000211- Issue #6846: Fix bug where bytearray.pop() returns negative integers.
212
Amaury Forgeot d'Arcccd686a2009-08-29 23:00:38 +0000213- Issue #6750: A text file opened with io.open() could duplicate its output
214 when writing from multiple threads at the same time.
215
Benjamin Peterson14327712009-08-15 13:23:05 +0000216- Issue #6707: dir() on an uninitialized module caused a crash.
217
Georg Brandl953152f2009-07-22 12:03:59 +0000218- Issue #6540: Fixed crash for bytearray.translate() with invalid parameters.
219
Raymond Hettingere805ecc2009-07-27 20:16:37 +0000220- Issue #6573: set.union() stopped processing inputs if an instance of self
221 occurred in the argument chain.
222
R. David Murray046f7232009-07-19 02:22:05 +0000223- Issue #6070: On posix platforms import no longer copies the execute bit
224 from the .py file to the .pyc file if it is set.
225
Amaury Forgeot d'Arc8b84ea02009-07-13 20:38:21 +0000226- Issue #1616979: Added the cp720 (Arabic DOS) encoding.
227
Amaury Forgeot d'Arc097cd072009-07-07 00:43:08 +0000228- Issue #6428: Since Python 3.0, the __bool__ method must return a bool
229 object, and not an int. Fix the corresponding error message, and the
230 documentation.
231
Benjamin Petersonf1664ae2009-07-01 01:28:55 +0000232- The deprecated PyCObject has been removed.
233
Mark Dickinson835a6c82009-06-30 15:45:17 +0000234- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
235 This fixes a build failure on HP-UX: int32_t and uint32_t are
236 defined in inttypes.h instead of stdint.h on that platform.
237
Amaury Forgeot d'Arca4aba662009-07-01 00:48:39 +0000238- Issue #6373: Fixed a SystemError when encoding with the latin-1 codec and
Amaury Forgeot d'Arc84ec8d92009-06-29 22:36:49 +0000239 the 'surrogateescape' error handler, a string which contains unpaired
240 surrogates.
241
Hirokazu Yamamoto892a37a2009-06-28 11:07:03 +0000242- Issue #4856: Remove checks for win NT.
243
Alexandre Vassalottieb6f8de2009-12-31 03:56:09 +0000244- Issue #6687: PyBytes_FromObject() no longer accepts an integer as its
245 argument to construct a null-initialized bytes object.
246
Alexandre Vassalottic36c3782010-01-09 20:35:09 +0000247- Issue #1023290: Add from_bytes() and to_bytes() methods to integers.
248 These methods allow the conversion of integers to bytes, and vice-versa.
249
Alexandre Vassalotti41f58a72010-01-12 01:23:09 +0000250- Issue #7382: Fix bug in bytes.__getnewargs__ that prevented bytes
251 instances from being copied with copy.copy(), and bytes subclasses
252 from being pickled properly.
253
Collin Winter4222e9c2010-03-18 22:46:40 +0000254- Code objects now support weak references.
255
Benjamin Peterson466a7822009-07-02 21:44:01 +0000256C-API
257-----
258
Antoine Pitrou8689a102010-04-01 16:53:15 +0000259- Issue #8276: PyEval_CallObject() is now only available in macro form. The
260 function declaration, which was kept for backwards compatibility reasons,
261 is now removed (the macro was introduced in 1997!).
262
Mark Dickinson93f562c2010-01-30 10:30:15 +0000263- Issue #7767: New function PyLong_AsLongLongAndOverflow added,
264 analogous to PyLong_AsLongAndOverflow.
265
Benjamin Peterson8667a9b2010-01-09 21:45:28 +0000266- Make PyUnicode_CompareWithASCIIString return not equal if the Python string
267 has '\0' at the end.
268
Mark Dickinsonde604012010-01-01 19:27:32 +0000269- Issue #5080: The argument parsing functions PyArg_ParseTuple,
270 PyArg_ParseTupleAndKeywords, PyArg_VaParse,
271 PyArg_VaParseTupleAndKeywords and PyArg_Parse now raise a
272 DeprecationWarning for float arguments passed with the 'L' format
273 code. This will become a TypeError in a future version of Python,
274 to match the behaviour of the other integer format codes.
275
Georg Brandl1e28a272009-12-28 08:41:01 +0000276- Issue #7033: function ``PyErr_NewExceptionWithDoc()`` added.
277
Mark Dickinsonf08173b2009-12-03 10:59:46 +0000278- Issue #7414: 'C' code wasn't being skipped properly (for keyword arguments)
279 in PyArg_ParseTupleAndKeywords.
280
Mark Dickinson0b2b2322009-12-04 11:32:26 +0000281- Issue #7228: Add '%lld' and '%llu' support to PyString_FromFormat(V)
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +0000282 and PyErr_Format, on machines with HAVE_LONG_LONG defined.
283
Alexandre Vassalotti2db046d2009-07-22 03:56:36 +0000284- Issue #6151: Made PyDescr_COMMON conform to standard C (like PyObject_HEAD
285 in PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be
286 should used for accessing the d_type and d_name members of structures
287 using PyDescr_COMMON.
288
289- Issue #6405: Remove duplicate type declarations in descrobject.h.
Benjamin Peterson89b89172009-07-03 13:30:25 +0000290
Benjamin Peterson466a7822009-07-02 21:44:01 +0000291- The code flags for old __future__ features are now available again.
292
Alexandre Vassalotti7b82b402009-07-21 04:30:03 +0000293- Issue #5954: Add a PyFrame_GetLineNumber() function to replace most uses of
294 PyCode_Addr2Line().
295
296- Issue #5959: Add a PyCode_NewEmpty() function to create a new empty code
297 object at a specified file, function, and line number.
298
299- Issue #1419652: Change the first argument to PyImport_AppendInittab() to
300 ``const char *`` as the string is stored beyond the call.
301
Benjamin Peterson05159c42009-12-03 03:01:27 +0000302- Issue #2422: When compiled with the ``--with-valgrind`` option, the
303 pymalloc allocator will be automatically disabled when running under
304 Valgrind. This gives improved memory leak detection when running
305 under Valgrind, while taking advantage of pymalloc at other times.
306
Benjamin Peterson46ea4f72009-06-27 21:40:27 +0000307Library
308-------
309
Antoine Pitrou04f6a322010-04-05 21:40:07 +0000310- Issue #8321: Give access to OpenSSL version numbers from the `ssl` module,
311 using the new attributes `ssl.OPENSSL_VERSION`, `ssl.OPENSSL_VERSION_INFO`
312 and `ssl.OPENSSL_VERSION_NUMBER`.
313
Raymond Hettingerc50846a2010-04-05 18:56:31 +0000314- Add functools.total_ordering() and functools.cmp_to_key().
315
Mark Dickinson089b00c2010-04-03 15:51:03 +0000316- Issue #8257: The Decimal construct now accepts a float instance
317 directly, converting that float to a Decimal of equal value:
318
319 >>> Decimal(1.1)
320 Decimal('1.100000000000000088817841970012523233890533447265625')
321
Mark Dickinson98127c32010-04-03 11:18:52 +0000322- Issue #8294: The Fraction constructor now accepts Decimal and float
323 instances directly.
324
Mark Dickinsonac256ab2010-04-03 11:08:14 +0000325- Issue #7279: Comparisons involving a Decimal signaling NaN now
326 signal InvalidOperation instead of returning False. (Comparisons
327 involving a quiet NaN are unchanged.) Also, Decimal quiet NaNs
328 are now hashable; Decimal signaling NaNs remain unhashable.
329
330- Issue #2531: Comparison operations between floats and Decimal
331 instances now return a result based on the numeric values of the
332 operands; previously they returned an arbitrary result based on
333 the relative ordering of id(float) and id(Decimal).
334
Raymond Hettinger9c01e442010-04-03 10:32:58 +0000335- Added a subtract() method to collections.Counter().
336
Barry Warsawd5f9bf52010-03-31 21:36:22 +0000337- Issue #8233: When run as a script, py_compile.py optionally takes a single
338 argument `-` which tells it to read files to compile from stdin. Each line
339 is read on demand and the named file is compiled immediately. (Original
340 patch by Piotr Ożarowski).
341
Florent Xicluna806d8cf2010-03-30 19:34:18 +0000342- Backwards incompatible change: Unicode codepoints line tabulation (0x0B) and
343 form feed (0x0C) are now considered linebreaks, as specified in Unicode
344 Standard Annex #14. See issue #7643.
345 http://www.unicode.org/reports/tr14/
346
Mark Dickinsonab4d63b2010-03-27 11:16:00 +0000347- Comparisons using one of <, <=, >, >= between a complex instance and
348 a Fractions instance now raise TypeError instead of returning
349 True/False. This makes Fraction <=> complex comparisons consistent with
350 int <=> complex, float <=> complex, and complex <=> complex comparisons.
351
Antoine Pitrou39b35432010-03-23 00:25:54 +0000352- Issue #8139: ossaudiodev didn't initialize its types properly, therefore
353 some methods (such as oss_mixer_device.fileno()) were not available.
354 Initial patch by Bertrand Janin.
355
Florent Xiclunafd1b0932010-03-28 00:25:02 +0000356- Issue #8205: Remove the "Modules" directory from sys.path when Python is
357 running from the build directory (POSIX only).
358
Antoine Pitrou910bd512010-03-22 20:11:09 +0000359- Issue #7512: shutil.copystat() could raise an OSError when the filesystem
360 didn't support chflags() (for example ZFS under FreeBSD). The error is
361 now silenced.
362
R. David Murrayca2edce2010-03-22 17:48:48 +0000363- Issue #7860: platform.uname now reports the correct 'machine' type
364 when Python is running in WOW64 mode on 64 bit Windows.
365
Antoine Pitrou3c0fac22010-03-26 19:36:14 +0000366- Issue #3890, #8222: Fix recv() and recv_into() on non-blocking SSL sockets.
367 Also, enable the SSL_MODE_AUTO_RETRY flag on SSL sockets, so that blocking
368 reads and writes are always retried by OpenSSL itself.
Antoine Pitrou5733c082010-03-22 14:49:10 +0000369
Victor Stinnere3a1f6d2010-03-22 01:58:35 +0000370- Issue #4282: Fix the main function of the profile module for a non-ASCII
371 script, open the file in binary mode and not in text mode with the default
372 (utf8) encoding.
373
Florent Xicluna54467e02010-03-21 12:29:50 +0000374- Issue #8179: Fix macpath.realpath() on a non-existing path.
375
Florent Xiclunafaa663f2010-03-19 13:37:08 +0000376- Issue #8024: Update the Unicode database to 5.2.
377
Benjamin Peterson00888932010-03-18 22:37:38 +0000378- Issue #8168: py_compile now handles files with utf-8 BOMS.
379
Benjamin Peterson689a5582010-03-18 22:29:52 +0000380- ``tokenize.detect_encoding`` now returns ``'utf-8-sig'`` when a UTF-8 BOM is
381 detected.
382
Martin v. Löwis4b003072010-03-16 13:19:21 +0000383- Issue #6716/2: Backslash-replace error output in compilall.
384
Matthias Klosea6d9abf2010-03-16 10:51:28 +0000385- Issue #4961: Inconsistent/wrong result of askyesno function in tkMessageBox
386 with Tcl/Tk-8.5.
387
Matthias Klosec33b9022010-03-16 00:36:26 +0000388- Issue #8140: extend compileall to compile single files. Add -i option.
389
Matthias Klose82f60912010-03-15 13:46:04 +0000390- Issue #7356: ctypes.util: Make parsing of ldconfig output independent of
391 the locale.
392
Gregory P. Smitha31f57c2010-03-14 06:52:18 +0000393- The internals of the subprocess module on POSIX systems have been replaced
394 by an extension module (_posixsubprocess) so that the fork()+exec() can be
395 done safely without the possibility of deadlock in multithreaded applications.
396
Gregory P. Smith580d60c2010-03-14 07:13:25 +0000397- subprocess.Popen now has restore_signals and start_new_session features.
398 The default of restore_signals=True is a new behavior compared to earlier
399 Python versions. This means that signals such as SIGPIPE are not ignored
400 by default in subprocesses launched by Python (Issue #1652).
401
Florent Xiclunaf15351d2010-03-13 23:24:31 +0000402- Issue #6472: The xml.etree package is updated to ElementTree 1.3. The
403 cElementTree module is updated too.
404
Victor Stinnerb33062c2010-03-12 14:27:16 +0000405- Issue #7774: Set sys.executable to an empty string if argv[0] has been set to
406 an non existent program name and Python is unable to retrieve the real
407 program name
408
Florent Xiclunaa4707382010-03-11 00:05:17 +0000409- Issue #7880: Fix sysconfig when the python executable is a symbolic link.
410
Ezio Melottib92ed7c2010-03-06 15:24:08 +0000411- Issue #6509: fix re.sub to work properly when the pattern, the string, and
412 the replacement were all bytes. Patch by Antoine Pitrou.
413
Gerhard Häringf9cee222010-03-05 15:20:03 +0000414- The sqlite3 module was updated to pysqlite 2.6.0. This fixes several obscure
415 bugs and allows loading SQLite extensions from shared libraries.
416
Ezio Melottida227042010-03-14 11:51:00 +0000417- Issue #1054943: Fix ``unicodedata.normalize('NFC', text)`` for the Public
418 Review Issue #29 (http://unicode.org/review/pr-29.html).
Victor Stinner7ed9c4c2010-03-04 12:14:57 +0000419
Victor Stinnercee3ae82010-03-04 00:29:24 +0000420- Issue #7494: fix a crash in _lsprof (cProfile) after clearing the profiler,
421 reset also the pointer to the current pointer context.
422
Lars Gustäbel01385812010-03-03 12:08:54 +0000423- Issue #7232: Add support for the context manager protocol to the TarFile
424 class.
425
Barry Warsawb1938262010-03-01 21:53:00 +0000426- Issue #7250: Fix info leak of os.environ across multi-run uses of
427 wsgiref.handlers.CGIHandler.
428
Florent Xicluna59250852010-02-27 14:21:57 +0000429- Issue #1729305: Fix doctest to handle encode error with "backslashreplace".
430
Florent Xiclunac279ebf2010-02-27 11:31:21 +0000431- Issue #691291: codecs.open() should not convert end of lines on reading and
432 writing.
433
Vinay Sajipdb81c4c2010-02-25 23:13:06 +0000434- Issue #7869: logging: improved diagnostic for format-time errors.
435
436- Issue #7868: logging: added loggerClass attribute to Manager.
437
438- logging: Implemented PEP 391.
439
R. David Murraybe0698b2010-02-23 22:57:58 +0000440- Issue #1537721: Add a writeheader() method to csv.DictWriter.
441
Thomas Heller5117b0b2010-02-23 20:25:02 +0000442- Issue #7959: ctypes callback functions are now registered correctly
Ezio Melotti8b1458b2010-02-24 16:55:43 +0000443 with the cycle garbage collector.
Thomas Heller5117b0b2010-02-23 20:25:02 +0000444
Tarek Ziadé8e615ae2010-02-23 06:00:04 +0000445- Issue #5801: removed spurious empty lines in wsgiref.
446
Andrew M. Kuchlinge1f9beb2010-02-22 22:16:58 +0000447- Issue #6666: fix bug in trace.py that applied the list of directories
448 to be ignored only to the first file. Noted by Bogdan Opanchuk.
449
Andrew M. Kuchlingfbacb062010-02-22 16:52:52 +0000450- Issue #7597: curses.use_env() can now be called before initscr().
451 Noted by Kan-Ru Chen.
452
Ezio Melotti19e4acf2010-02-22 15:59:01 +0000453- Issue #7310: fix the __repr__ of os.environ to show the environment variables.
454
R. David Murray57c45ac2010-02-21 04:39:40 +0000455- Issue #7970: email.Generator.flatten now correctly flattens message/rfc822
456 messages parsed by email.Parser.HeaderParser.
457
Brett Cannonef7d6722010-02-19 16:04:36 +0000458- Issue #7361: Importlib was not properly checking the number of bytes in
459 bytecode file when it was less then 8 bytes.
460
Mark Dickinson84230a12010-02-18 14:49:50 +0000461- Issue #7633: In the decimal module, Context class methods (with the
462 exception of canonical and is_canonical) now accept instances of int
463 and long wherever a Decimal instance is accepted, and implicitly
464 convert that argument to Decimal. Previously only some arguments
465 were converted.
466
R. David Murray1f449142010-02-11 00:15:05 +0000467- Issue #7835: shelve should no longer produce mysterious warnings during
468 interpreter shutdown.
469
Antoine Pitrou99f69ee2010-02-09 17:25:47 +0000470- Issue #2746: Don't escape ampersands and angle brackets ("&", "<", ">")
471 in XML processing instructions and comments. These raw characters are
472 allowed by the XML specification, and are necessary when outputting e.g.
473 PHP code in a processing instruction. Patch by Neil Muller.
474
Antoine Pitrouc77dd322010-02-09 16:51:16 +0000475- Issue #6233: ElementTree failed converting unicode characters to XML
476 entities when they could't be represented in the requested output
477 encoding. Patch by Jerry Chen.
478
Ronald Oussorenee5c8852010-02-07 20:24:02 +0000479- Issue #6003: add an argument to ``zipfile.Zipfile.writestr`` to
480 specify the compression type.
481
Antoine Pitroub6375f12010-02-04 20:23:24 +0000482- Issue #4772: Raise a ValueError when an unknown Bluetooth protocol is
483 specified, rather than fall through to AF_PACKET (in the `socket` module).
484 Also, raise ValueError rather than TypeError when an unknown TIPC address
485 type is specified. Patch by Brian Curtin.
486
Antoine Pitrou905a2ff2010-01-31 22:47:27 +0000487- Issue #6939: Fix file I/O objects in the `io` module to keep the original
488 file position when calling `truncate()`. It would previously change the
489 file position to the given argument, which goes against the tradition of
490 ftruncate() and other truncation APIs. Patch by Pascal Chambon.
491
Antoine Pitroua32f9a22010-01-27 21:18:57 +0000492- Issue #7610: Reworked implementation of the internal
493 :class:`zipfile.ZipExtFile` class used to represent files stored inside
494 an archive. The new implementation is significantly faster and can
495 be wrapped in a :class:`io.BufferedReader` object for more speedups.
496 It also solves an issue where interleaved calls to `read()` and
497 `readline()` give wrong results. Patch by Nir Aides.
498
Jesse Noller1f0b6582010-01-27 03:36:01 +0000499- Issue #6963: Added "maxtasksperchild" argument to multiprocessing.Pool,
500 allowing for a maximum number of tasks within the pool to be completed by
501 the worker before that worker is terminated, and a new one created to
502 replace it.
503
Benjamin Petersond6326642010-01-27 02:25:58 +0000504- Issue #7792: Registering non-classes to ABCs raised an obscure error.
505
Benjamin Peterson9a11a362010-01-27 01:51:29 +0000506- Issue #7785: Don't accept bytes in FileIO.write().
Benjamin Peterson255058f2010-01-27 01:47:14 +0000507
Ezio Melotti38f00332010-01-25 12:39:47 +0000508- Removed the functions 'verify' and 'vereq' from Lib/test/support.py.
509
Benjamin Peterson25001472010-01-25 03:37:42 +0000510- Issue #7773: Fix an UnboundLocalError in platform.linux_distribution() when
511 the release file is empty.
512
Antoine Pitrou1119a642010-01-17 12:16:23 +0000513- Issue #7561: Fix crashes when using bytearray objects with the posix
514 module.
515
R. David Murraya8f480f2010-01-16 18:30:03 +0000516- Issue #1670765: Prevent email.generator.Generator from re-wrapping
517 headers in multipart/signed MIME parts, which fixes one of the sources of
518 invalid modifications to such parts by Generator.
519
Antoine Pitrou747e8b32010-01-16 17:55:52 +0000520- Issue #7703: Add support for the new buffer API to `binascii.a2bhqx`.
521 Patch by Florent Xicluna, along with some additional tests.
522
Antoine Pitrou2843aa82010-01-15 00:27:43 +0000523- Issue #7701: Fix crash in binascii.b2a_uu() in debug mode when given a
524 1-byte argument. Patch by Victor Stinner.
525
Antoine Pitrou82feb1f2010-01-14 17:34:48 +0000526- Issue #3299: Fix possible crash in the _sre module when given bad
527 argument values in debug mode. Patch by Victor Stinner.
528
Antoine Pitrou8e33fd72010-01-13 14:37:26 +0000529- Issue #2846: Add support for gzip.GzipFile reading zero-padded files.
530 Patch by Brian Curtin.
531
Benjamin Peterson5efea042010-01-13 03:49:50 +0000532- Issue #7681: Use floor division in appropiate places in the wave module.
533
Tarek Ziadéac4e6ea2010-01-11 23:15:52 +0000534- Issue #5372: Drop the reuse of .o files in Distutils' ccompiler (since
535 Extension extra options may change the output without changing the .c
536 file). Initial patch by Collin Winter.
537
Tarek Ziadéaf77a2f2010-01-08 23:57:53 +0000538- Issue #7617: Make sure distutils.unixccompiler.UnixCCompiler recognizes
539 gcc when it has a fully qualified configuration prefix. Initial patch
540 by Arfrever.
541
Antoine Pitrouc1baa602010-01-08 17:54:23 +0000542- Issue #7105: Make WeakKeyDictionary and WeakValueDictionary robust against
543 the destruction of weakref'ed objects while iterating.
544
Antoine Pitrou01a15ea2010-01-07 17:57:31 +0000545- Issue #7455: Fix possible crash in cPickle on invalid input. Patch by
546 Victor Stinner.
547
Gregory P. Smithaafdca82010-01-04 04:50:36 +0000548- Issue #1628205: Socket file objects returned by socket.socket.makefile() now
549 properly handles EINTR within the read, readline, write & flush methods.
550 The socket.sendall() method now properly handles interrupted system calls.
551
Antoine Pitroub1f88352010-01-03 22:37:40 +0000552- Issue #7471: Improve the performance of GzipFile's buffering mechanism,
553 and make it implement the `io.BufferedIOBase` ABC to allow for further
554 speedups by wrapping it in an `io.BufferedReader`. Patch by Nir Aides.
555
556- Issue #3972: http.client.HTTPConnection now accepts an optional source_address
Gregory P. Smithb4066372010-01-03 03:28:29 +0000557 parameter to allow specifying where your connections come from.
558
559- socket.create_connection now accepts an optional source_address parameter.
560
Ezio Melottifaa6b7f2009-12-30 12:34:59 +0000561- Issue #5511: now zipfile.ZipFile can be used as a context manager.
562 Initial patch by Brian Curtin.
563
Tarek Ziadéc60ea322009-12-21 23:12:41 +0000564- Issue #7556: Make sure Distutils' msvc9compile reads and writes the
565 MSVC XML Manifest file in text mode so string patterns can be used
566 in regular expressions.
567
Tarek Ziadé8b9361a2009-12-21 00:02:20 +0000568- Issue #7552: Removed line feed in the base64 Authorization header in
569 the Distutils upload command to avoid an error when PyPI reads it.
570 This occurs on long passwords. Initial patch by JP St. Pierre.
571
Senthil Kumaran47fff872009-12-20 07:10:31 +0000572- Issue #7231: urllib2 cannot handle https with proxy requiring auth. Patch by
573 Tatsuhiro Tsujikawa.
574
Antoine Pitrou77b338b2009-12-14 18:00:06 +0000575- Issue #4757: `zlib.compress` and other methods in the zlib module now
576 raise a TypeError when given an `str` object (rather than a `bytes`-like
577 object). Patch by Victor Stinner and Florent Xicluna.
578
Benjamin Petersonbf5ff762009-12-13 19:25:34 +0000579- Issue #7349: Make methods of file objects in the io module accept None as an
580 argument where file-like objects (ie StringIO and BytesIO) accept them to mean
581 the same as passing no argument.
582
Lars Gustäbel365aff32009-12-13 11:42:29 +0000583- Issue #7357: tarfile no longer suppresses fatal extraction errors by
584 default.
585
R. David Murraye8dc2582009-12-10 02:08:06 +0000586- Issue #5949: added check for correct lineends in input from IMAP server
587 in imaplib.
588
Raymond Hettinger44459de2010-04-03 23:20:46 +0000589- Add count() and reverse() methods to collections.deque().
Raymond Hettingere5fdedb2009-12-10 00:47:21 +0000590
Raymond Hettinger3f9afd82009-12-10 03:03:02 +0000591- Fix variations of extending deques: d.extend(d) d.extendleft(d) d+=d
592
Antoine Pitrou781eba72009-12-08 15:57:31 +0000593- Issue #6986: Fix crash in the JSON C accelerator when called with the
594 wrong parameter types. Patch by Victor Stinner.
595
Tarek Ziadéb88a4962009-12-08 09:45:25 +0000596- Issue #7457: added a read_pkg_file method to
597 distutils.dist.DistributionMetadata.
598
Vinay Sajip540f2152009-12-06 17:57:11 +0000599- logging: Added optional `secure` parameter to SMTPHandler, to enable use of
600 TLS with authentication credentials.
601
Tarek Ziadédf872d42009-12-06 09:28:17 +0000602- Issue #1923: Fixed the removal of meaningful spaces when PKG-INFO is
603 generated in Distutils. Patch by Stephen Emslie.
604
Martin v. Löwis1679ea82009-12-03 20:57:49 +0000605- Issue #4120: Drop reference to CRT from manifest when building extensions with
606 msvc9compiler.
607
Antoine Pitroub7572f02009-12-02 20:46:48 +0000608- Issue #7333: The `posix` module gains an `initgroups()` function providing
609 access to the initgroups(3) C library call on Unix systems which implement
610 it. Patch by Jean-Paul Calderone.
611
Tarek Ziadéacafc2d2009-11-29 22:24:57 +0000612- Issue #7408: Fixed distutils.tests.sdist so it doesn't check for group
613 ownership when the group is not forced, because the group may be different
614 from the user's group and inherit from its container when the test is run.
615
Antoine Pitrou7b0d4a22009-11-28 16:12:28 +0000616- Issue #4486: When an exception has an explicit cause, do not print its
617 implicit context too. This affects the `traceback` module as well as
618 built-in exception printing.
619
Antoine Pitrou1fc0d2b2009-11-28 15:58:27 +0000620- Issue #1515: Enable use of deepcopy() with instance methods. Patch by
621 Robert Collins.
622
Vinay Sajip03f6c112009-11-27 14:03:36 +0000623- Issue #7403: logging: Fixed possible race condition in lock creation.
624
Antoine Pitrou648bcd72009-11-27 13:23:26 +0000625- Issue #6845: Add restart support for binary upload in ftplib. The
626 `storbinary()` method of FTP and FTP_TLS objects gains an optional `rest`
627 argument. Patch by Pablo Mouzo.
628
Antoine Pitroube6859d2009-11-25 23:02:32 +0000629- Issue #5788: `datetime.timedelta` objects get a new `total_seconds()`
630 method returning the total number of seconds in the duration. Patch by
631 Brian Quinlan.
632
Antoine Pitrou7d7aede2009-11-25 18:55:32 +0000633- Issue #7133: SSL objects now support the new buffer API.
634
Senthil Kumaran758025c2009-11-23 19:02:52 +0000635- Issue #1488943: difflib.Differ() doesn't always add hints for tab characters
636
Lars Gustäbel9520a432009-11-22 18:48:49 +0000637- Issue #6123: tarfile now opens empty archives correctly and consistently
638 raises ReadError on empty files.
639
Tarek Ziadé26afd482009-11-19 05:39:00 +0000640- Issue #7354: distutils.tests.test_msvc9compiler - dragfullwindows can
641 be 2.
642
Benjamin Peterson3ec9b6e2009-11-19 21:22:27 +0000643- Issue #5037: Proxy the __bytes__ special method instead to __bytes__ instead
644 of __str__.
Benjamin Peterson32019772009-11-19 03:08:32 +0000645
Lars Gustäbel7b465392009-11-18 20:29:25 +0000646- Issue #7341: Close the internal file object in the TarFile constructor in
647 case of an error.
648
Tarek Ziadé11c9d252009-11-18 09:32:34 +0000649- Issue #7293: distutils.test_msvc9compiler is fixed to work on any fresh
650 Windows box. Help provided by David Bolen.
651
Antoine Pitrouf988cd02009-11-17 20:21:14 +0000652- Issue #2054: ftplib now provides an FTP_TLS class to do secure FTP using
653 TLS or SSL. Patch by Giampaolo Rodola'.
654
Nick Coghlan106274b2009-11-15 23:04:33 +0000655- Issue #7328: pydoc no longer corrupts sys.path when run with the '-m' switch
656
Antoine Pitroub8108e22009-11-15 14:25:16 +0000657- Issue #4969: The mimetypes module now reads the MIME database from
658 the registry under Windows. Patch by Gabriel Genellina.
659
Nick Coghlan260bd3e2009-11-16 06:49:25 +0000660- Issue #6816: runpy now provides a run_path function that allows Python code
661 to execute file paths that refer to source or compiled Python files as well
662 as zipfiles, directories and other valid sys.path entries that contain a
663 __main__.py file. This allows applications that run other Python scripts to
664 support the same flexibility as the CPython command line itself.
665
Antoine Pitrou45d61a32009-11-13 22:35:18 +0000666- Issue #7318: multiprocessing now uses a timeout when it fails to establish
667 a connection with another process, rather than looping endlessly. The
668 default timeout is 20 seconds, which should be amply sufficient for
669 local connections.
670
Antoine Pitrouc63ecee2009-11-10 21:34:48 +0000671- Issue #7197: Allow unittest.TextTestRunner objects to be pickled and
672 unpickled. This fixes crashes under Windows when trying to run
673 test_multiprocessing in verbose mode.
674
Michael Foord34c94622010-02-10 15:51:42 +0000675- Issue #7893: ``unittest.TextTestResult`` is made public and a ``resultclass``
676 argument added to the TextTestRunner constructor allowing a different result
677 class to be used without having to subclass.
678
679- Issue 7588: ``unittest.TextTestResult.getDescription`` now includes the test
680 name in failure reports even if the test has a docstring.
681
Antoine Pitrou434736a2009-11-10 18:46:01 +0000682- Issue #3001: Add a C implementation of recursive locks which is used by
683 default when instantiating a `threading.RLock` object. This makes
684 recursive locks as fast as regular non-recursive locks (previously,
685 they were slower by 10x to 15x).
686
Antoine Pitroub0872682009-11-09 16:08:16 +0000687- Issue #7282: Fix a memory leak when an RLock was used in a thread other
688 than those started through `threading.Thread` (for example, using
689 `_thread.start_new_thread()`).
690
Brett Cannone52c9192009-11-07 23:55:05 +0000691- Issue #7187: Importlib would not silence the IOError raised when trying to
692 write new bytecode when it was made read-only.
693
Antoine Pitroubdec11f2009-11-05 13:49:14 +0000694- Issue #7264: Fix a possible deadlock when deallocating thread-local objects
695 which are part of a reference cycle.
696
Antoine Pitroud83f1e62009-11-04 21:10:38 +0000697- Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
698 objects on 64-bit systems. Patch by Michael Broghton.
699
Antoine Pitrou03f13442009-11-02 11:36:51 +0000700- Issue #6896: mailbox.Maildir now invalidates its internal cache each time
701 a modification is done through it. This fixes inconsistencies and test
702 failures on systems with slightly bogus mtime behaviour.
703
Gregory P. Smith50467882009-11-01 18:42:17 +0000704- Issue #7246 & Issue #7208: getpass now properly flushes input before
705 reading from stdin so that existing input does not confuse it and
706 lead to incorrect entry or an IOError. It also properly flushes it
707 afterwards to avoid the terminal echoing the input afterwards on
708 OSes such as Solaris.
709
Mark Dickinsona2d1fe02009-10-29 12:23:02 +0000710- Issue #7233: Fix a number of two-argument Decimal methods to make
711 sure that they accept an int or long as the second argument. Also
712 fix buggy handling of large arguments (those with coefficient longer
713 than the current precision) in shift and rotate.
714
Lars Gustäbel1440df22009-10-29 09:39:47 +0000715- Issue #4750: Store the basename of the original filename in the gzip FNAME
716 header as required by RFC 1952.
717
Tarek Ziadéc7c71ff2009-10-27 23:12:01 +0000718- Issue #1180: Added a new global option to ignore ~/.pydistutils.cfg in
719 Distutils.
720
Tarek Ziadé8c0e2172009-10-27 21:24:21 +0000721- Issue #7218: Fix test_site for win32, the directory comparison was done with
722 an uppercase.
723
Antoine Pitrouc66363f2009-10-27 17:47:14 +0000724- Issue #7205: Fix a possible deadlock when using a BZ2File object from
725 several threads at once.
726
Vinay Sajip42ead482009-10-21 20:22:14 +0000727- Issue #7077: logging: SysLogHandler now treats Unicode as per RFC 5424.
728
Mark Dickinson06bb6742009-10-20 13:38:04 +0000729- Issue #7099: Decimal.is_normal now returns True for numbers with exponent
730 larger than emax.
731
Antoine Pitrou6a448d42009-10-19 19:43:09 +0000732- Issue #7080: locale.strxfrm() raises a MemoryError on 64-bit non-Windows
733 platforms, and assorted locale fixes by Derk Drukker.
734
Antoine Pitroudc0900b2009-10-19 18:22:37 +0000735- Issue #5833: Fix extra space character in readline completion with the
736 GNU readline library version 6.0.
737
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000738- Issue #6894: Fixed the issue urllib2 doesn't respect "no_proxy" environment
Senthil Kumaran7bb04972009-10-11 04:58:55 +0000739
Vinay Sajipcbabd7e2009-10-10 20:32:36 +0000740- Issue #7086: Added TCP support to SysLogHandler, and tidied up some
741 anachronisms in the code which were a relic of 1.5.2 compatibility.
Vinay Sajip96d4aa32009-10-16 14:06:44 +0000742
R. David Murraybf2e0aa2009-10-10 00:13:32 +0000743- Issue #7082: When falling back to the MIME 'name' parameter, the
744 correct place to look for it is the Content-Type header.
745
Benjamin Petersond3afada2009-10-09 21:43:09 +0000746- Make tokenize.detect_coding() normalize utf-8 and iso-8859-1 variants like the
747 builtin tokenizer.
748
Mark Dickinson56df8872009-10-07 19:23:50 +0000749- Issue #7048: Force Decimal.logb to round its result when that result
750 is too large to fit in the current precision.
751
Antoine Pitrouca767bd2009-09-21 21:37:02 +0000752- Issue #6236, #6348: Fix various failures in the I/O library under AIX
Antoine Pitrou6a448d42009-10-19 19:43:09 +0000753 and other platforms, when using a non-gcc compiler. Patch by Derk Drukker.
Antoine Pitrouca767bd2009-09-21 21:37:02 +0000754
Thomas Heller69b639f2009-09-18 20:08:39 +0000755- Issue #4606: Passing 'None' if ctypes argtype is set to POINTER(...)
756 does now always result in NULL.
757
Thomas Hellerd7cb1b92009-09-18 19:05:13 +0000758- Issue #5042: Structure sub-subclass does now initialize correctly
759 with base class positional arguments.
760
Eric Smith81fd8042009-09-18 13:23:13 +0000761- Issue #6882: Import uuid creates zombies processes.
762
Matthias Klosef6b76b02009-09-13 15:18:53 +0000763- Issue #6635: Fix profiler printing usage message.
764
Lars Gustäbel049d2aa2009-09-12 10:44:00 +0000765- Issue #6856: Add a filter keyword argument to TarFile.add().
766
Benjamin Petersonbe74a372009-09-11 21:17:13 +0000767- Issue #6888: pdb's alias command was broken when no arguments were given.
768
Mark Dickinson46ab5d02009-09-08 20:22:46 +0000769- Issue #6857: Default format() alignment should be '>' for Decimal
770 instances.
771
Mark Dickinson825fce32009-09-07 18:08:12 +0000772- Issue #6795: int(Decimal('nan')) now raises ValueError instead of
773 returning NaN or raising InvalidContext. Also, fix infinite recursion
774 in long(Decimal('nan')).
775
Mark Dickinson7718d2b2009-09-07 16:21:56 +0000776- Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
777 with no type specifier.
778
Thomas Heller8b939522009-09-04 18:24:41 +0000779- Issue #6239: ctypes.c_char_p return value must return bytes.
780
Chris Withers9c33cbf2009-09-04 17:04:16 +0000781- Issue #6838: Use a list to accumulate the value instead of
782 repeatedly concatenating strings in http.client's
783 HTTPResponse._read_chunked providing a significant speed increase
784 when downloading large files servend with a Transfer-Encoding of 'chunked'.
785
Brett Cannon1c1dcbf2009-08-30 20:22:21 +0000786- Trying to import a submodule from a module that is not a package, ImportError
787 should be raised, not AttributeError.
788
Brett Cannonde4ebfe2009-08-30 19:53:48 +0000789- When the globals past to importlib.__import__() has __package__ set to None,
790 fall back to computing what __package__ should be instead of giving up.
791
Brett Cannon6afbaef2009-08-30 19:08:58 +0000792- Raise a TypeError when the name of a module to be imported for
793 importlib.__import__ is not a string (was raising an
794 AttributeError before).
795
Brett Cannon9e0e1a62009-08-30 18:28:46 +0000796- Allow the fromlist passed into importlib.__import__ to be any iterable.
797
Brett Cannon4d75fc12009-08-30 03:47:36 +0000798- Have importlib raise ImportError if None is found in sys.modules.
799
Lars Gustäbelbfdfdda2009-08-28 19:59:59 +0000800- Issue #6054: Do not normalize stored pathnames in tarfile.
801
Mark Dickinsond314e1b2009-08-28 13:39:53 +0000802- Issue #6794: Fix Decimal.compare_total and Decimal.compare_total_mag: NaN
803 payloads are now ordered by integer value rather than lexicographically.
804
Guilherme Polobcd03df2009-08-18 15:35:57 +0000805- Issue #1356969: Add missing info methods in tix.HList.
806
807- Issue #1522587: New constants and methods for the tix.Grid widget.
808
809- Issue #1250469: Fix the return value of tix.PanedWindow.panes.
810
811- Issue #1119673: Do not override tkinter.Text methods when creating a
812 ScrolledText.
813
Gregory P. Smith01099702009-08-16 18:58:46 +0000814- Issue #6665: Fix fnmatch to properly match filenames with newlines in them.
815
Guilherme Poloc3b2ae42009-08-16 14:46:16 +0000816- Issue #1135: Add the XView and YView mix-ins to avoid duplicating
817 the xview* and yview* methods.
818
Antoine Pitroua0ceb732009-08-06 20:29:56 +0000819- Issue #6629: Fix a data corruption issue in the new I/O library, which could
820 occur when writing to a BufferedRandom object (e.g. a file opened in "rb+" or
821 "wb+" mode) after having buffered a certain amount of data for reading. This
822 bug was not present in the pure Python implementation.
823
Mark Dickinsonea1158f2009-08-06 16:06:25 +0000824- Issue #6622: Fix "local variable 'secret' referenced before
825 assignment" bug in POP3.apop.
826
Mark Dickinson45f799f2009-08-02 20:08:54 +0000827- Issue #2715: Remove remnants of Carbon.File from binhex module.
828
Mark Dickinson345adc42009-08-02 10:14:23 +0000829- Issue #6595: The Decimal constructor now allows arbitrary Unicode
830 decimal digits in input, as recommended by the standard. Previously
831 it was restricted to accepting [0-9].
832
Jack Diederich36596a32009-07-26 22:23:04 +0000833- Issue #6106: telnetlib.Telnet.process_rawq doesn't handle default WILL/WONT
834 DO/DONT correctly.
835
Senthil Kumaran67305382009-07-26 04:46:00 +0000836- Issue #1424152: Fix for http.client, urllib.request to support SSL while
837 working through proxy. Original patch by Christopher Li, changes made by
838 Senthil Kumaran
Senthil Kumaran97f0c6b2009-07-25 04:24:38 +0000839
Brett Cannon69194272009-07-20 04:23:48 +0000840- Add importlib.abc.ExecutionLoader to represent the PEP 302 protocol for
841 loaders that allow for modules to be executed. Both importlib.abc.PyLoader
842 and PyPycLoader inherit from this class and provide implementations in
843 relation to other methods required by the ABCs.
844
Brett Cannon64ef00f2009-07-20 03:19:18 +0000845- importlib.abc.PyLoader did not inherit from importlib.abc.ResourceLoader like
846 the documentation said it did even though the code in PyLoader relied on the
847 abstract method required by ResourceLoader.
848
Mark Dickinson85424c92009-07-18 14:41:42 +0000849- Issue #6431: Make Fraction type return NotImplemented when it doesn't
850 know how to handle a comparison without loss of precision. Also add
851 correct handling of infinities and nans for comparisons with float.
852
Antoine Pitrouf3637322009-08-06 21:00:37 +0000853- Issue #6415: Fixed warnings.warn segfault on bad formatted string.
Hirokazu Yamamoto1c0c0032009-07-17 06:55:42 +0000854
Amaury Forgeot d'Arc97e5f282009-07-11 09:35:13 +0000855- Issue #6358: The exit status of a command started with os.popen() was
856 reported differently than it did with python 2.x.
857
Amaury Forgeot d'Arc2de11152009-07-09 23:07:52 +0000858- Issue #6323: The pdb debugger did not exit when running a script with a
859 syntax error.
860
Gregory P. Smithd06fa472009-07-04 02:46:54 +0000861- Issue #3392: The subprocess communicate() method no longer fails in select()
862 when file descriptors are large; communicate() now uses poll() when possible.
863
Antoine Pitrou54923952009-07-01 14:53:06 +0000864- Issue #6369: Fix an RLE decompression bug in the binhex module.
865
Hirokazu Yamamoto7a9e1bd2009-06-29 14:54:12 +0000866- Issue #6344: Fixed a crash of mmap.read() when passed a negative argument.
867
Benjamin Peterson5a6deb42009-06-28 21:35:31 +0000868- The deprecated function string.maketrans has been removed.
869
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000870- Issue #4005: Fixed a crash of pydoc when there was a zip file present in
871 sys.path.
872
Alexandre Vassalotticf76e1a2009-07-22 03:24:36 +0000873- Issue #6218: io.StringIO and io.BytesIO instances are now picklable.
874
Gregory P. Smithb6e8c7e2010-02-27 07:22:22 +0000875- The os.get_exec_path() function to return the list of directories that will
876 be searched for an executable when launching a subprocess was added.
877
Gregory P. Smith3fdd9642010-02-28 18:57:46 +0000878- Issue #7481: When a threading.Thread failed to start it would leave the
879 instance stuck in initial state and present in threading.enumerate().
880
Gregory P. Smitha59c59f2010-03-01 00:17:40 +0000881- Issue #1068268: The subprocess module now handles EINTR in internal
882 os.waitpid and os.read system calls where appropriate.
883
Gregory P. Smith1a530912010-03-01 04:59:27 +0000884- Issue #6729: Added ctypes.c_ssize_t to represent ssize_t.
885
Steven Bethard6d265692010-03-02 09:22:57 +0000886- Issue #6247: The argparse module has been added to the standard library.
887
Larry Hastingsf0f37952010-04-02 11:47:10 +0000888- Issue #8235: _socket: Add the constant ``SO_SETFIB``. SO_SETFIB is
889 a socket option available on FreeBSD 7.1 and newer.
890
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000891Extension Modules
892-----------------
Mark Dickinson12c4bdb2009-09-28 19:21:11 +0000893
Mark Dickinsonc5935772010-04-03 15:54:36 +0000894- Issue #8300: When passing a non-integer argument to struct.pack with any
895 integer format code, struct.pack first attempts to convert the non-integer
896 using its __index__ method. If that method is non-existent or raises
897 TypeError it goes on to try the __int__ method, as described below.
898
Matthias Klosea8349752010-03-15 13:25:28 +0000899- Issue #8142: Update libffi to the 3.0.9 release.
900
Matthias Klose9550aa12010-03-15 12:49:46 +0000901- Issue #6949: Allow the _dbm extension to be built with db 4.8.x.
902
Georg Brandlc0e22b72010-03-14 10:51:01 +0000903- Issue #6544: fix a reference leak in the kqueue implementation's error
904 handling.
905
Martin v. Löwis3afc62e2010-02-18 16:27:43 +0000906- Stop providing crtassem.h symbols when compiling with Visual Studio 2010, as
907 msvcr100.dll is not a platform assembly anymore.
908
Martin v. Löwis7aed61a2009-11-27 14:09:49 +0000909- Issue #6508: Add posix.{getresuid,getresgid,setresuid,setresgid}.
910
Mark Dickinson40714af2009-10-08 15:59:20 +0000911- Issue #7078: Set struct.__doc__ from _struct.__doc__.
912
Mark Dickinson45f992a2009-12-19 11:20:49 +0000913- Issue #3366: Add erf, erfc, expm1, gamma, lgamma functions to math module.
Mark Dickinson12c4bdb2009-09-28 19:21:11 +0000914
Ronald Oussoren2efd9242009-09-20 14:53:22 +0000915- Issue #6877: It is now possible to link the readline extension to the
916 libedit readline emulation on OSX 10.5 or later.
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000917
Mark Dickinson5ea7d642009-09-06 21:24:55 +0000918- Issue #6848: Fix curses module build failure on OS X 10.6.
919
Brett Cannon2f827382009-08-13 19:58:01 +0000920- Fix a segfault that could be triggered by expat with specially formed input.
921
Mark Dickinson1f268282009-07-28 17:22:36 +0000922- Issue #6561: '\d' in a regex now matches only characters with
923 Unicode category 'Nd' (Number, Decimal Digit). Previously it also
924 matched characters with category 'No'.
925
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000926- Issue #4509: Array objects are no longer modified after an operation
Alexandre Vassalotti9b45cb42009-07-05 06:50:08 +0000927 failing due to the resize restriction in-place when the object has exported
928 buffers.
929
Alexandre Vassalottiad077152009-07-15 17:49:23 +0000930- Issue #2389: Array objects are now pickled in a portable manner.
931
Matthias Klosea50ffe52010-01-22 01:10:19 +0000932- Expat: Fix DoS via XML document with malformed UTF-8 sequences
933 (CVE_2009_3560).
934
Gregory P. Smith24cec9f2010-03-01 06:18:41 +0000935- Issue #7242: On Solaris 9 and earlier calling os.fork() from within a
936 thread could raise an incorrect RuntimeError about not holding the import
937 lock. The import lock is now reinitialized after fork.
938
Gregory P. Smithc78d79c2010-03-01 05:54:14 +0000939- Issue #7999: os.setreuid() and os.setregid() would refuse to accept a -1
940 parameter on some platforms such as OS X.
941
Martin v. Löwis95c46012009-06-28 09:36:14 +0000942Build
943-----
944
Benjamin Petersone6c9d242010-03-30 17:34:47 +0000945- Issue #3326: Build Python without -fno-strict-aliasing when the gcc does not
946 give false warnings.
947
Antoine Pitrou7a61ba92010-03-21 19:25:26 +0000948- Issue #1628484: The Makefile doesn't ignore the CFLAGS environment
949 variable anymore. It also forwards the LDFLAGS settings to the linker
950 when building a shared library.
951
Martin v. Löwis09c86af2010-03-16 11:03:13 +0000952- Issue #6716: Quote -x arguments of compileall in MSI installer.
Martin v. Löwis4ad70df2010-03-16 16:19:47 +0000953 Exclude 2to3 tests from compileall.
Martin v. Löwis09c86af2010-03-16 11:03:13 +0000954
Martin v. Löwis19ed3c82010-02-15 21:45:06 +0000955- Issue #3920, #7903: Define _BSD_SOURCE on OpenBSD 4.4 through 4.9.
Martin v. Löwis7671efc2010-02-15 08:35:16 +0000956
Mark Dickinsonde508002010-01-17 21:02:55 +0000957- Issue #7632: When Py_USING_MEMORY_DEBUGGER is defined, disable the
958 private memory allocation scheme in dtoa.c and use PyMem_Malloc and
959 PyMem_Free instead. Also disable caching of powers of 5.
960
Benjamin Petersond78735d2010-01-01 16:04:23 +0000961- Issue #6491: Allow --with-dbmliborder to specify that no dbms will be built.
962
963- Issue #6943: Use pkg-config to find the libffi headers when the
964 --with-system-ffi flag is used.
965
Benjamin Petersonb2d90462009-12-31 03:23:10 +0000966- Issue #7609: Add a --with-system-expat option that causes the system's expat
967 library to be used for the pyexpat module instead of the one included with
968 Python.
969
Benjamin Petersone57d6762009-12-30 03:02:03 +0000970- Issue #7589: Only build the nis module when the correct header files are
971 found.
972
Martin v. Löwis7df3b9e2010-01-02 10:06:19 +0000973- Switch to OpenSSL 0.9.8l and sqlite 3.6.21 on Windows.
Martin v. Löwise5692cd2009-12-22 08:57:39 +0000974
Mark Dickinsonf4243f62009-11-15 13:47:27 +0000975- Issue #5792: Extend the short float repr support to x86 systems using
976 icc or suncc.
977
Mark Dickinsona25b1312009-10-31 10:18:44 +0000978- Issue #6603: Change READ_TIMESTAMP macro in ceval.c so that it
979 compiles correctly under gcc on x86-64. This fixes a reported
980 problem with the --with-tsc build on x86-64.
981
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +0000982- Issue #6802: Fix build issues on MacOSX 10.6
983
Guilherme Polo5d377bd2009-08-16 14:44:14 +0000984- Issue #6244: Allow detect_tkinter to look for Tcl/Tk 8.6.
985
Amaury Forgeot d'Arc321e5332009-07-02 23:08:45 +0000986- Issue 4601: 'make install' did not set the appropriate permissions on
987 directories.
988
Martin v. Löwis95c46012009-06-28 09:36:14 +0000989- Issue 5390: Add uninstall icon independent of whether file
990 extensions are installed.
991
Florent Xicluna3f88c0e2010-03-19 14:40:31 +0000992- Issue #7541: when using ``python-config`` with a framework install the
993 compiler might use the wrong library.
Ronald Oussoren585c1732009-12-24 14:21:55 +0000994
Collin Winterbf199072010-03-19 21:17:17 +0000995- python-config now supports multiple options on the same command line.
996
Mark Dickinsond3aa6462009-09-17 00:06:41 +0000997Documentation
Tarek Ziadéf3b33222009-08-21 14:22:45 +0000998------------
999
R. David Murraye821cb62010-03-08 17:48:38 +00001000- A small wsgi server was added as Tools/scripts/serve.py, and is used to
1001 implement a local documentation server via 'make serve' in the doc directory.
1002
Barry Warsaw615368f2010-02-05 19:12:30 +00001003- Updating `Using Python` documentation to include description of CPython's
1004 -J and -X options.
1005
Brett Cannon757df6e2009-08-30 04:00:12 +00001006- Document that importing a module that has None in sys.modules triggers an
1007 ImportError.
1008
Tarek Ziadéf3b33222009-08-21 14:22:45 +00001009- Issue #6556: Fixed the Distutils configuration files location explanation
1010 for Windows.
Florent Xiclunaf089fd62010-03-19 14:25:03 +00001011
Matthias Klosec8b16f82010-01-31 16:14:37 +00001012- Update python manual page (options -B, -O0, -s, environment variables
1013 PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
Tarek Ziadéf3b33222009-08-21 14:22:45 +00001014
Brett Cannonb49c70c2009-07-15 04:08:33 +00001015Tests
1016-----
1017
Antoine Pitrou503ab332010-03-30 18:56:19 +00001018- Issue #8248: Add some tests for the bool type. Patch by Gregory Nofi.
1019
Florent Xiclunad6995eb2010-03-30 19:43:09 +00001020- Issue #8263: Now regrtest.py will report a failure if it receives a
1021 KeyboardInterrupt (SIGINT).
1022
Florent Xiclunafd1b0932010-03-28 00:25:02 +00001023- Issue #8180 and #8207: Fix test_pep277 on OS X and add more tests for special
1024 Unicode normalization cases.
Florent Xiclunaeb136182010-03-21 18:49:50 +00001025
Florent Xicluna3f88c0e2010-03-19 14:40:31 +00001026- Issue #7783: test.support.open_urlresource invalidates the outdated files
1027 from the local cache.
Florent Xiclunaf089fd62010-03-19 14:25:03 +00001028
Florent Xiclunab14930c2010-03-13 15:26:44 +00001029- Issue #7849: Now the utility ``check_warnings`` verifies if the warnings are
1030 effectively raised.
1031
Florent Xiclunac9c79782010-03-08 12:24:53 +00001032- The four path modules (genericpath, macpath, ntpath, posixpath) share a
1033 common TestCase for some tests: test_genericpath.CommonTest.
1034
Florent Xicluna0e62a142010-03-06 17:34:48 +00001035- Print platform information when running the whole test suite, or using
1036 the --verbose flag.
1037
Florent Xicluna683a7e72010-03-03 00:06:37 +00001038- Issue #767675: enable test_pep277 on POSIX platforms with Unicode-friendly
1039 filesystem encoding.
1040
R. David Murray378c0cf2010-02-24 01:46:21 +00001041- Issue #6292: for the moment at least, the test suite runs cleanly if python
1042 is run with the -OO flag. Tests requiring docstrings are skipped.
1043
Ezio Melotti184bdfb2010-02-18 09:37:05 +00001044- Issue #7712: test.support gained a new `temp_cwd` context manager which is
1045 now also used by regrtest to run all the tests in a temporary directory.
1046 The original CWD is saved in `support.SAVEDCWD`.
1047 Thanks to Florent Xicluna who helped with the patch.
1048
Mark Dickinsonedff7af2010-02-13 18:34:53 +00001049- Issue #7924: Fix an intermittent 'XXX undetected error' failure in
1050 test_capi (only seen so far on platforms where the curses module
1051 wasn't built), due to an uncleared exception.
1052
Florent Xicluna3f88c0e2010-03-19 14:40:31 +00001053- Issue #7728: test_timeout was changed to use support.bind_port instead of a
1054 hard coded port.
R. David Murraye9e95932010-02-06 05:00:15 +00001055
R. David Murray445448c2009-12-20 17:28:31 +00001056- Issue #7376: instead of running a self-test (which was failing) when called
1057 with no arguments, doctest.py now gives a usage message.
1058
R. David Murrayef1992b2009-12-16 15:19:27 +00001059- Issue #7396: fix regrtest -s, which was broken by the -j enhancement.
1060
R. David Murray596da442009-12-14 23:06:11 +00001061- Issue #7498: test_multiprocessing now uses test.support.find_unused_port
R. David Murray83396232009-12-14 22:45:15 +00001062 instead of a hardcoded port number in test_rapid_restart.
1063
R. David Murrayba311052009-12-04 00:09:14 +00001064- Issue #7431: use TESTFN in test_linecache instead of trying to create a
1065 file in the Lib/test directory, which might be read-only for the
1066 user running the tests.
1067
R. David Murray35768ad2009-11-15 00:23:21 +00001068- Issue #7324: add a sanity check to regrtest argument parsing to
1069 catch the case of an option with no handler.
1070
R. David Murray7dc72cc2009-11-14 16:13:02 +00001071- Issue #7312: Add a -F flag to run the selected tests in a loop until
1072 a test fails. Can be combined with -j.
1073
Antoine Pitrou060cee22009-11-13 16:29:04 +00001074- Issue #6551: test_zipimport could import and then destroy some modules of
1075 the encodings package, which would make other tests fail further down
1076 the road because the internally cached encoders and decoders would point
1077 to empty global variables.
1078
Antoine Pitrou941ee882009-11-11 20:59:38 +00001079- Issue #7295: Do not use a hardcoded file name in test_tarfile.
1080
Antoine Pitrou557934f2009-11-06 22:41:14 +00001081- Issue #7270: Add some dedicated unit tests for multi-thread synchronization
1082 primitives such as Lock, RLock, Condition, Event and Semaphore.
1083
Brett Cannoncfed0292009-11-05 01:26:57 +00001084- Issue #7248 (part 2): Use a unique temporary directory for importlib source
1085 tests instead of tempfile.tempdir. This prevents the tests from sharing state
1086 between concurrent executions on the same system.
1087
Brett Cannon0ae45112009-11-05 01:17:22 +00001088- Issue #7248: In importlib.test.source.util a try/finally block did not make
1089 sure that some referenced objects actually were created in the block before
1090 calling methods on the object.
1091
Antoine Pitrou65c9c642009-10-30 17:25:12 +00001092- Issue #7222: Make thread "reaping" more reliable so that reference
1093 leak-chasing test runs give sensible results. The previous method of
1094 reaping threads could return successfully while some Thread objects were
1095 still referenced. This also introduces a new private function:
1096 :func:`_thread._count()`.
1097
R. David Murray27144602009-10-19 15:26:16 +00001098- Issue #7151: fixed regrtest -j so that output to stderr from a test no
1099 longer runs the risk of causing the worker thread to fail.
1100
Antoine Pitrou4de39cd2009-10-10 21:08:31 +00001101- Issue #7055: test___all__ now greedily detects all modules which have an
1102 __all__ attribute, rather than using a hardcoded and incomplete list.
1103
R. David Murray0bc11ae2009-10-18 22:18:17 +00001104- Issue #7058: Added save/restore for things like sys.argv and cwd to
1105 runtest_inner in regrtest, with warnings if the called test modifies them,
1106 and a new section in the summary report at the end.
R. David Murray097e51f2009-10-07 23:38:55 +00001107
Mark Dickinson2e304402009-10-04 18:43:54 +00001108- Issue #7042: Fix test_signal (test_itimer_virtual) failure on OS X 10.6.
1109
Brett Cannon3c273842009-07-20 00:14:29 +00001110- Fixed tests in importlib.test.source.test_abc_loader that were masking
1111 the proper exceptions that should be raised for missing or improper code
1112 object bytecode.
1113
Brett Cannonb49c70c2009-07-15 04:08:33 +00001114- Removed importlib's custom test discovery code and switched to
1115 unittest.TestLoader.discover().
1116
Antoine Pitroua69ba652010-01-18 21:20:53 +00001117Tools/Demos
1118-----------
1119
1120- iobench (a file I/O benchmark) and ccbench (a concurrency benchmark) were
1121 added to the `Tools/` directory. They were previously living in the
1122 sandbox.
1123
Benjamin Peterson46ea4f72009-06-27 21:40:27 +00001124
Benjamin Peterson01bf2362009-06-13 14:50:22 +00001125What's New in Python 3.1?
1126=========================
1127
1128*Release date: 27-June-2009*
1129
1130Core and Builtins
1131-----------------
1132
Mark Dickinsonad195562009-06-24 19:01:32 +00001133- Issue #6334: Fix bug in range length calculation for ranges with
1134 large arguments.
1135
Raymond Hettinger159eac92009-06-23 20:38:54 +00001136- Issue #6329: Fixed iteration for memoryview objects (it was being blocked
1137 because it wasn't recognized as a sequence).
1138
Benjamin Peterson01bf2362009-06-13 14:50:22 +00001139Library
1140-------
1141
Georg Brandld07ac642009-08-13 07:50:57 +00001142- Issue #6126: Fixed pdb command-line usage.
1143
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001144- Issue #6314: logging: performs extra checks on the "level" argument.
Vinay Sajip0f6eac22009-06-21 17:46:49 +00001145
Facundo Batista10706e22009-06-19 20:34:30 +00001146- Issue #6274: Fixed possible file descriptors leak in subprocess.py
1147
Benjamin Peterson6a38ced2009-06-14 18:32:19 +00001148- Accessing io.StringIO.buffer now raises an AttributeError instead of
1149 io.UnsupportedOperation.
1150
Vinay Sajip0f6eac22009-06-21 17:46:49 +00001151- Issue #6271: mmap tried to close invalid file handle (-1) when anonymous.
Hirokazu Yamamoto3d8827d2009-06-14 04:58:16 +00001152 (On Unix)
1153
Gregory P. Smithe88749b2009-06-26 08:05:13 +00001154- Issue #1202: zipfile module would cause a struct.error when attempting to
1155 store files with a CRC32 > 2**31-1.
1156
Matthias Kloseab2b7552009-06-22 13:05:52 +00001157Extension Modules
1158-----------------
1159
1160- Issue #5590: Remove unused global variable in pyexpat extension.
1161
Benjamin Peterson01bf2362009-06-13 14:50:22 +00001162
Antoine Pitrou3b1b8072009-05-30 21:01:23 +00001163What's New in Python 3.1 Release Candidate 2?
1164=============================================
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +00001165
Benjamin Petersonc7c12282009-06-13 13:15:04 +00001166*Release date: 13-June-2009*
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +00001167
1168Core and Builtins
1169-----------------
1170
Raymond Hettinger94f55832009-06-12 18:40:16 +00001171- Fixed SystemError triggered by "range([], 1, -1)".
1172
Amaury Forgeot d'Arc66f8c432009-06-09 21:30:01 +00001173- Issue #5924: On Windows, a large PYTHONPATH environment variable
1174 (more than 255 characters) would be completely ignored.
1175
Amaury Forgeot d'Arc24e581f2009-06-01 21:28:37 +00001176- Issue #4547: When debugging a very large function, it was not always
1177 possible to update the lineno attribute of the current frame.
1178
Antoine Pitrou8e124f32009-05-30 21:41:10 +00001179- Issue #5330: C functions called with keyword arguments were not reported by
Alexandre Vassalottiea3714e2009-07-17 09:34:31 +00001180 the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
Antoine Pitrou8e124f32009-05-30 21:41:10 +00001181
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +00001182Library
1183-------
1184
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +00001185- Issue #6438: Fixed distutils.cygwinccompiler.get_versions : the regular
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001186 expression string pattern was trying to match against a bytes returned by
Tarek Ziadéc9e6cec2009-07-12 08:27:26 +00001187 Popen. Tested under win32 to build the py-postgresql project.
1188
Martin v. Löwis83eacca2009-06-12 17:31:41 +00001189- Issue #6258: Support AMD64 in bdist_msi.
1190
R. David Murray58641de2009-06-12 15:33:19 +00001191- Issue #6195: fixed doctest to no longer try to read 'source' data from
1192 binary files.
1193
Vinay Sajipaffbd872009-06-11 10:11:47 +00001194- Issue #5262: Fixed bug in next rollover time computation in
1195 TimedRotatingFileHandler.
1196
Benjamin Peterson0926ad12009-06-06 18:02:12 +00001197- Issue #6217: The C implementation of io.TextIOWrapper didn't include the
1198 errors property. Additionally, the errors and encoding properties of StringIO
1199 are always None now.
1200
Antoine Pitroud9dfaa92009-06-04 20:32:06 +00001201- Issue #6137: The pickle module now translates module names when loading
1202 or dumping pickles with a 2.x-compatible protocol, in order to make data
1203 sharing and migration easier. This behaviour can be disabled using the
1204 new `fix_imports` optional argument.
1205
Raymond Hettinger40925d22009-06-04 18:32:39 +00001206- Removed the ipaddr module.
1207
Georg Brandlb54d8012009-06-04 09:11:51 +00001208- Issue #3613: base64.{encode,decode}string are now called
1209 base64.{encode,decode}bytes which reflects what type they accept and return.
1210 The old names are still there as deprecated aliases.
1211
Georg Brandl317185a2009-06-04 09:00:56 +00001212- Issue #5767: Remove sgmlop support from xmlrpc.client.
1213
Martin v. Löwis74b7e442009-06-01 04:23:07 +00001214- Issue #6150: Fix test_unicode on wide-unicode builds.
1215
Antoine Pitrouc06de472009-05-30 21:04:26 +00001216- Issue #6149: Fix initialization of WeakValueDictionary objects from non-empty
1217 parameters.
1218
Martin v. Löwis79b13872009-06-01 04:13:14 +00001219Windows
1220-------
1221
Martin v. Löwisb7a51562009-06-07 17:55:17 +00001222- Issue #6221: Delete test registry key before running the test.
1223
Martin v. Löwis79b13872009-06-01 04:13:14 +00001224- Issue #6158: Package Sine-1000Hz-300ms.aif in MSI file.
1225
Amaury Forgeot d'Arc11729992009-06-01 21:16:17 +00001226C-API
1227-----
1228
1229- Issue #5735: Python compiled with --with-pydebug should throw an
1230 ImportError when trying to import modules compiled without
1231 --with-pydebug, and vice-versa.
1232
Benjamin Peterson54e8ddf2009-05-30 18:43:49 +00001233
Brett Cannonc6d936e2009-06-07 20:09:53 +00001234Build
1235-----
1236
1237- Issue #6154: Make sure the intl library is added to LIBS if needed. Also
1238 added LIBS to OS X framework builds.
1239
Ronald Oussoren99aab652009-06-08 21:22:57 +00001240- Issue #5809: Specifying both --enable-framework and --enable-shared is
1241 an error. Configure now explicity tells you about this.
1242
1243
Brett Cannonc6d936e2009-06-07 20:09:53 +00001244
Mark Dickinson4eb88b32009-05-11 16:41:34 +00001245What's New in Python 3.1 release candidate 1?
1246=============================================
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001247
Benjamin Petersone6ad3872009-05-30 15:30:16 +00001248*Release date: 2009-05-30*
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001249
1250Core and Builtins
1251-----------------
1252
Martin v. Löwis8ed91b22009-05-29 16:22:26 +00001253- Issue #6097: Escape UTF-8 surrogates resulting from mbstocs conversion
1254 of the command line.
1255
Martin v. Löwisc15bdef2009-05-29 14:47:46 +00001256- Issue #6012: Add cleanup support to O& argument parsing.
1257
Eric Smith41669ca2009-05-23 14:23:22 +00001258- Issue #6089: Fixed str.format with certain invalid field specifiers
1259 that would raise SystemError.
1260
Raymond Hettinger2bcde142009-05-29 04:52:27 +00001261- Issue #5982: staticmethod and classmethod now expose the wrapped
1262 function with __func__.
1263
Raymond Hettinger91e3b9d2009-05-28 22:20:03 +00001264- Added support for multiple context managers in the same with-statement.
1265 Deprecated contextlib.nested() which is no longer needed.
Georg Brandl0c315622009-05-25 21:10:36 +00001266
Mark Dickinson6b1e43b2009-05-20 18:41:04 +00001267- Issue #5829: complex("1e500") no longer raises OverflowError. This
1268 makes it consistent with float("1e500") and interpretation of real
1269 and imaginary literals.
1270
Hirokazu Yamamoto8223c242009-05-17 04:21:53 +00001271- Issue #3527: Removed Py_WIN_WIDE_FILENAMES which is not used any more.
1272
R. David Murraydd226ea2009-05-13 12:27:21 +00001273- Issue #5994: the marshal module now has docstrings.
1274
Mark Dickinsond1ec8b22009-05-11 15:45:15 +00001275- Issue #5981: Fix three minor inf/nan issues in float.fromhex:
1276 (1) inf and nan strings with trailing whitespace were incorrectly
1277 rejected; (2) parsing of strings representing infinities and nans
1278 was locale aware; and (3) the interpretation of fromhex('-nan')
1279 didn't match that of float('-nan').
1280
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001281Library
1282-------
1283
Martin v. Löwisb6a748b2009-05-29 15:23:17 +00001284- Issue #4859: Implement PEP 383 for pwd, spwd, and grp.
1285
R. David Murrayfb123912009-05-28 18:19:00 +00001286- smtplib 'login' and 'cram-md5' login are also fixed (see Issue #5259).
1287
R. David Murray1f1b9d32009-05-27 20:56:59 +00001288- Issue #6121: pydoc now ignores leading and trailing spaces in the
1289 argument to the 'help' function.
1290
Georg Brandlfaf41492009-05-26 18:31:11 +00001291- Issue #6118: urllib.parse.quote_plus ignored the encoding and errors
1292 arguments for strings with a space in them.
1293
Raymond Hettinger089ba7f2009-05-27 00:38:24 +00001294- collections.namedtuple() was not working with the following field
1295 names: cls, self, tuple, itemgetter, and property.
1296
Benjamin Peterson14a3dd72009-05-25 00:51:58 +00001297- In unittest, using a skipping decorator on a class is now equivalent to
1298 skipping every test on the class. The ClassTestSuite class has been removed.
1299
Martin v. Löwis70ccd162009-05-24 19:47:22 +00001300- Issue #6050: Don't fail extracting a directory from a zipfile if
1301 the directory already exists.
1302
Antoine Pitrou61f77b52009-05-24 15:46:13 +00001303- Issue #1309352: fcntl now converts its third arguments to a C `long` rather
1304 than an int, which makes some operations possible under 64-bit Linux (e.g.
1305 DN_MULTISHOT with F_NOTIFY).
1306
Antoine Pitrou716c4442009-05-23 19:04:03 +00001307- Issue #5761: Add the name of the underlying file to the repr() of various
1308 IO objects.
1309
R. David Murraycaa27b72009-05-23 18:49:56 +00001310- Issue #5259: smtplib plain auth login no longer gives a traceback. Fix
1311 by Musashi Tamura, tests by Marcin Bachry.
1312
Antoine Pitrouc3ee1662009-05-23 16:02:33 +00001313- Issue #1983: Fix functions taking or returning a process identifier to use
1314 the dedicated C type ``pid_t`` instead of a C ``int``. Some platforms have
1315 a process identifier type wider than the standard C integer type.
1316
R. David Murray87e20742009-05-23 01:30:26 +00001317- Issue #4066: smtplib.SMTP_SSL._get_socket now correctly returns the socket.
1318 Patch by Farhan Ahmad, test by Marcin Bachry.
1319
Antoine Pitrou6e610062009-05-15 17:04:50 +00001320- Issue #2116: Weak references and weak dictionaries now support copy()ing and
1321 deepcopy()ing.
1322
Antoine Pitrouc1d09362009-05-15 12:15:51 +00001323- Issue #1655: Make imaplib IPv6-capable. Patch by Derek Morr.
1324
Antoine Pitrou37d1c182009-05-14 21:54:00 +00001325- Issue #5918: Fix a crash in the parser module.
1326
Antoine Pitrou2ca24f02009-05-14 21:30:46 +00001327- Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr.
1328
Antoine Pitroue4501852009-05-14 18:55:55 +00001329- Issue #5006: Better handling of unicode byte-order marks (BOM) in the io
1330 library. This means, for example, that opening an UTF-16 text file in
1331 append mode doesn't add a BOM at the end of the file if the file isn't
1332 empty.
1333
R. David Murray74b89242009-05-13 17:33:03 +00001334- Issue #4050: inspect.findsource/getsource now raise an IOError if the 'source'
1335 file is a binary. Patch by Brodie Rao, tests by Daniel Diniz. This fix
1336 corrects a pydoc regression.
1337
R. David Murray99352742009-05-07 18:24:38 +00001338- Issue 5955: aifc's close method did not close the file it wrapped,
1339 now it does. This also means getfp method now returns the real fp.
1340
Benjamin Peterson932073a2009-05-23 16:14:33 +00001341Installation
1342------------
1343
1344- Issue #6047: fullinstall has been removed because Python 3's executable will
1345 now be known as python3.
Benjamin Petersonaccdca52009-05-06 23:26:59 +00001346
Ronald Oussorenbe7149e2009-05-26 21:39:08 +00001347- Lib/smtpd.py is no longer installed as a script.
1348
Martin v. Löwisdb1c3992009-05-23 10:38:26 +00001349Extension Modules
1350-----------------
1351
Martin v. Löwisa6a9c4d2009-05-30 06:15:30 +00001352- Issue #3061: Use wcsftime for time.strftime where available.
Martin v. Löwis1b01ccd2009-05-30 06:13:40 +00001353
Martin v. Löwise23c8682009-05-29 16:01:34 +00001354- Issue #4873: Fix resource leaks in error cases of pwd and grp.
1355
Martin v. Löwisdb1c3992009-05-23 10:38:26 +00001356- Issue #6093: Fix off-by-one error in locale.strxfrm.
1357
Benjamin Peterson744af442009-05-23 18:51:49 +00001358- The _functools and _locale modules are now built into the libpython shared
1359 library instead of as extension modules.
Benjamin Peterson3dc22e82009-05-23 17:09:43 +00001360
Antoine Pitrou20327222009-05-24 20:39:11 +00001361Build
1362-----
1363
1364- Issue #3585: Add pkg-config support. It creates a python-2.7.pc file
1365 and a python3.pc symlink in the $(LIBDIR)/pkgconfig directory. Patch by
1366 Clinton Roy.
1367
Brett Cannon1262e7c2009-05-11 01:47:11 +00001368Tests
1369-----
1370
1371- Issue 5442: Tests for importlib were not properly skipping case-sensitivity
1372 tests on darwin even when the OS was installed on a case-sensitive
1373 filesystem. Also fixed tests that should not be run when
1374 sys.dont_write_bytecode is true.
1375
1376
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001377What's New in Python 3.1 beta 1?
1378================================
1379
Benjamin Peterson5c5f3de2009-05-06 20:43:28 +00001380*Release date: 2009-05-06*
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001381
1382Core and Builtins
1383-----------------
1384
Mark Dickinson865e01a2009-05-07 16:37:01 +00001385- Issue #5914: Add new C API function PyOS_string_to_double, and
1386 deprecate PyOS_ascii_strtod and PyOS_ascii_atof.
1387
Eric Smith741191f2009-05-06 13:08:15 +00001388- Issue #3382: float.__format__, complex.__format__, and %-formatting
1389 no longer map 'F' to 'f'. Because of issue #5859 (below), this only
1390 affects nan -> NAN and inf -> INF.
1391
Mark Hammond5a607a32009-05-06 08:04:54 +00001392- Issue #5799: ntpath (ie, os.path on Windows) fully supports UNC pathnames
1393 in all operations, including splitdrive, split, etc. splitunc() now issues
1394 a PendingDeprecation warning.
1395
Eric Smith63376222009-05-05 14:04:18 +00001396- Issue #5920: For float.__format__, change the behavior with the
1397 empty presentation type (that is, not one of 'e', 'f', 'g', or 'n')
1398 to be like 'g' but with at least one decimal point and with a
1399 default precision of 12. Previously, the behavior the same but with
1400 a default precision of 6. This more closely matches str(), and
1401 reduces surprises when adding alignment flags to the empty
1402 presentation type. This also affects the new complex.__format__ in
1403 the same way.
1404
Martin v. Löwis011e8422009-05-05 04:43:17 +00001405- Implement PEP 383, Non-decodable Bytes in System Character Interfaces.
1406
R. David Murrayb18500d2009-05-04 22:59:07 +00001407- Issue #5890: in subclasses of 'property' the __doc__ attribute was
1408 shadowed by classtype's, even if it was None. property now
1409 inserts the __doc__ into the subclass instance __dict__.
1410
Antoine Pitrou244651a2009-05-04 18:56:13 +00001411- Issue #4426: The UTF-7 decoder was too strict and didn't accept some legal
1412 sequences. Patch by Nick Barnes and Victor Stinner.
1413
Martin v. Löwise0a2b722009-05-10 08:08:56 +00001414- Issue #3672: Reject surrogates in utf-8 codec; add surrogatepass error handler.
Martin v. Löwisdb12d452009-05-02 18:52:14 +00001415
Benjamin Petersond2e0c792009-05-01 20:40:59 +00001416- Issue #5883: In the io module, the BufferedIOBase and TextIOBase ABCs have
1417 received a new method, detach(). detach() disconnects the underlying stream
1418 from the buffer or text IO and returns it.
1419
Mark Dickinson33841c32009-05-01 15:37:04 +00001420- Issue #5859: Remove switch from '%f' to '%g'-style formatting for
1421 floats with absolute value over 1e50. Also remove length
1422 restrictions for float formatting: '%.67f' % 12.34 and '%.120e' %
1423 12.34 no longer raise an exception.
Mark Dickinsonf489caf2009-05-01 11:42:00 +00001424
Eric Smith741191f2009-05-06 13:08:15 +00001425- Issue #1588: Add complex.__format__. For example,
Eric Smith58a42242009-04-30 01:00:33 +00001426 format(complex(1, 2./3), '.5') now produces a sensible result.
1427
Mark Dickinsond3ca5572009-04-29 18:47:07 +00001428- Issue #5864: Fix empty format code formatting for floats so that it
1429 never gives more than the requested number of significant digits.
1430
Eric Smith6dc46f52009-04-27 20:39:49 +00001431- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
1432 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
1433
Eric Smithcc32a112009-04-26 21:35:14 +00001434- Issue #5835: Deprecate PyOS_ascii_formatd.
1435
Martin v. Löwis71efeb72009-04-26 01:02:07 +00001436- Issue #4971: Fix titlecase for characters that are their own
1437 titlecase, but not their own uppercase.
1438
Benjamin Peterson193152c2009-04-25 01:08:45 +00001439- Issue #5283: Setting __class__ in __del__ caused a segfault.
1440
Mark Dickinsonad476da2009-04-23 19:14:16 +00001441- Issue #5816: complex(repr(z)) now recovers z exactly, even when
1442 z involves nans, infs or negative zeros.
1443
Mark Dickinson4a16e3a2009-04-23 19:15:48 +00001444- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +00001445
Mark Dickinsone6a076d2009-04-18 11:48:33 +00001446- Issue #1869 (and many duplicates): make round(x, n) correctly
1447 rounded for a float x, by using the decimal <-> binary conversions
1448 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
1449 consistently agrees with format(x, '.2f').
1450
Benjamin Petersonae937c02009-04-18 20:54:08 +00001451- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
1452 some builtin types.
1453
Eric Smith0923d1d2009-04-16 20:16:10 +00001454- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
1455
Eric Smith35e84722009-04-16 20:21:28 +00001456- Issue #5515: str.format() type 'n' combined with commas and leading
1457 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +00001458
1459- Implement PEP 378, Format Specifier for Thousands Separator, for
1460 floats.
1461
Mark Dickinson3370cce2009-04-17 22:40:53 +00001462- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001463 1e11, not 1e12. This avoids printing 13 significant digits in
1464 situations where only 12 of them are correct. Example problem
1465 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
1466 long time.)
1467
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001468- Issue #1580: On most platforms, use a 'short' float repr: for a
1469 finite float x, repr(x) now outputs a string based on the shortest
1470 sequence of decimal digits that rounds to x. Previous behaviour was
1471 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +00001472 Another minor difference is that the new repr switches to
1473 exponential notation at 1e16 instead of the previous 1e17; this
1474 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00001475
1476 There's a new sys attribute sys.float_repr_style, which takes
1477 the value 'short' to indicate that we're using short float repr,
1478 and 'legacy' if the short float repr isn't available for one
1479 reason or another.
1480
1481 The float repr change involves incorporating David Gay's 'perfect
1482 rounding' code into the Python core (it's in Python/dtoa.c). As a
1483 secondary consequence, all string-to-float and float-to-string
1484 conversions (including all float formatting operations) will be
1485 correctly rounded on these platforms.
1486
1487 See issue 1580 discussions for details of platforms for which
1488 this change does not apply.
1489
Benjamin Peterson2808d3c2009-04-15 21:34:27 +00001490- Issue #5759: float() didn't call __float__ on str subclasses.
1491
Georg Brandlabc38772009-04-12 15:51:51 +00001492- The string.maketrans() function is deprecated; there is a new static method
1493 maketrans() on the bytes and bytearray classes. This removes confusion about
1494 the types string.maketrans() is supposed to work with, and mirrors the
1495 methods available on the str class.
1496
R. David Murraydc6da8a2009-04-09 22:16:43 +00001497- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
1498 its clarity and its speed.
1499
Matthias Klose091c7b12009-04-07 13:24:27 +00001500- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
1501 to avoid compiler warnings.
1502
Walter Dörwald8dc33d52009-05-06 14:41:26 +00001503- Issue #3739: The unicode-internal encoder now reports the number of characters
1504 consumed like any other encoder (instead of the number of bytes).
1505
Benjamin Peterson0b4915e2009-04-25 21:11:45 +00001506Installation
1507------------
1508
1509- Issue #5756: Install idle and pydoc with a 3 suffix.
1510
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001511Library
1512-------
1513
Martin v. Löwis403117a2009-05-24 19:19:17 +00001514- Issue #5311: bdist_msi can now build packages that do not depend on a
1515 specific Python version.
1516
Raymond Hettingereb816952009-05-29 01:22:18 +00001517- Issue #5150: IDLE's format menu now has an option to strip trailing
1518 whitespace.
1519
Vinay Sajipaffbd872009-06-11 10:11:47 +00001520- Issue #5940: distutils.command.build_clib.check_library_list was not doing
Tarek Ziadédd9f65f2009-05-06 07:26:24 +00001521 the right type checkings anymore.
1522
Thomas Heller00cfc372009-05-05 19:04:40 +00001523- Issue #4875: On win32, ctypes.util.find_library does no longer
1524 return directories.
1525
Georg Brandl243ad662009-05-05 09:00:19 +00001526- Issue #5142: Add the ability to skip modules while stepping to pdb.
1527
Georg Brandl991f9202009-05-05 08:31:54 +00001528- Issue #1309567: Fix linecache behavior of stripping subdirectories when
1529 looking for files given by a relative filename.
1530
Georg Brandleaa84ef2009-05-05 08:14:33 +00001531- Issue #5923: Update the ``turtle`` module to version 1.1, add two new
1532 turtle demos in Demo/turtle.
1533
Antoine Pitrou3c33e082009-05-04 21:21:36 +00001534- Issue #5692: In :class:`zipfile.Zipfile`, fix wrong path calculation when
1535 extracting a file to the root directory.
1536
Hirokazu Yamamotobbb9be72009-05-04 05:56:46 +00001537- Issue #5913: os.listdir() should fail for empty path on windows.
1538
Antoine Pitroua9f48a02009-05-02 21:41:14 +00001539- Issue #5084: unpickling now interns the attribute names of pickled objects,
1540 saving memory and avoiding growth in size of subsequent pickles. Proposal
1541 and original patch by Jake McGuire.
1542
Benjamin Petersonc6b607d2009-05-02 12:36:44 +00001543- The json module now works exclusively with str and not bytes.
1544
Gregory P. Smithe54dff52009-05-01 22:13:48 +00001545- Issue #3959: The ipaddr module has been added to the standard library.
1546 Contributed by Google.
1547
Antoine Pitrou7fff0962009-05-01 21:09:44 +00001548- Issue #3002: ``shutil.copyfile()`` and ``shutil.copytree()`` now raise an
1549 error when a named pipe is encountered, rather than blocking infinitely.
1550
Raymond Hettinger1f0db402009-04-29 00:38:08 +00001551- Issue #5857: tokenize.tokenize() now returns named tuples.
1552
Thomas Hellerc1edc2d2009-04-28 19:55:58 +00001553- Issue #4305: ctypes should now build again on mipsel-linux-gnu
1554
Antoine Pitrou7a0fedf2009-04-27 22:31:40 +00001555- Issue #1734234: Massively speedup ``unicodedata.normalize()`` when the
1556 string is already in normalized form, by performing a quick check beforehand.
1557 Original patch by Rauli Ruohonen.
1558
Antoine Pitrou57f3d932009-04-27 21:04:19 +00001559- Issue #5853: calling a function of the mimetypes module from several threads
1560 at once could hit the recursion limit if the mimetypes database hadn't been
1561 initialized before.
1562
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00001563- Issue #5854: Updated __all__ to include some missing names and remove some
1564 names which should not be exported.
1565
Thomas Heller34596a92009-04-24 20:50:00 +00001566- Issue #3102: All global symbols that the _ctypes extension defines
1567 are now prefixed with 'Py' or '_ctypes'.
1568
1569- Issue #5041: ctypes does now allow pickling wide character.
1570
Mark Dickinsond4d95f82009-04-24 14:06:19 +00001571- Issue #5812: For the two-argument form of the Fraction constructor,
1572 Fraction(m, n), m and n are permitted to be arbitrary Rational
1573 instances.
1574
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +00001575- Issue #5812: Fraction('1e6') is valid: more generally, any string
1576 that's valid for float() is now valid for Fraction(), with the
1577 exception of strings representing NaNs and infinities.
1578
Antoine Pitroucf4c7492009-04-19 00:09:36 +00001579- Issue #5734: BufferedRWPair was poorly tested and had several glaring
1580 bugs. Patch by Brian Quinlan.
1581
R. David Murray9e94ddf2009-04-13 17:06:33 +00001582- Issue #1161031: fix readwrite select flag handling: POLLPRI now
1583 results in a handle_expt_event call, not handle_read_event, and POLLERR
1584 and POLLNVAL now call handle_close, not handle_expt_event. Also,
1585 dispatcher now has an 'ignore_log_types' attribute for suppressing
1586 log messages, which is set to 'warning' by default.
1587
Matthias Klosea3d29e82009-04-07 13:13:10 +00001588- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
1589 new arguments introduced in 2.5.
1590
Walter Dörwald1b08b302009-04-25 14:13:56 +00001591- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
1592 makeunicodedata.py and regenerated the Unicode database (This fixes
1593 u'\u1d79'.lower() == '\x00').
1594
Matthias Klose535336f2009-04-07 13:49:45 +00001595Extension Modules
1596-----------------
1597
Benjamin Petersone04b6272009-05-04 22:25:21 +00001598- Issue #5881: Remove old undocumented compatibility interfaces in hashlib and
1599 pwd.
1600
Mark Dickinsonea835e72009-04-19 20:40:33 +00001601- Issue #5463: In struct module, remove deprecated float coercion
1602 for integer type codes: struct.pack('L', 0.3) should now raise
1603 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
1604 The version number has been bumped to 0.3.
1605
Matthias Klose535336f2009-04-07 13:49:45 +00001606- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
1607 using Berkley-DB.
1608
Nick Coghlan47384702009-04-22 16:13:36 +00001609Tests
1610-----
1611
1612- Issue #5354: New test support function import_fresh_module() makes
1613 it easy to import both normal and optimised versions of modules.
1614 test_heapq and test_warnings have been adjusted to use it, tests for
1615 other modules with both C and Python implementations in the stdlib
1616 can be adjusted to use it over time.
1617
Walter Dörwald4ba80132009-04-25 12:48:43 +00001618- Issue #5837: Certain sequences of calls to set() and unset() for
1619 support.EnvironmentVarGuard objects restored the environment variables
1620 incorrectly on __exit__.
1621
Benjamin Petersonb173f782009-05-05 22:31:58 +00001622C-API
1623-----
1624
1625- Issue #5630: A replacement PyCObject API, PyCapsule, has been added.
1626
Benjamin Petersonbd35b032009-04-04 23:16:41 +00001627
Benjamin Petersond1735892009-03-07 18:46:21 +00001628What's New in Python 3.1 alpha 2?
1629=================================
1630
Benjamin Peterson88f14352009-04-04 21:06:52 +00001631*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +00001632
1633Core and Builtins
1634-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +00001635
Eric Smith1e1d7d22009-04-03 22:25:33 +00001636- Implement PEP 378, Format Specifier for Thousands Separator, for
1637 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +00001638
Benjamin Peterson8f76b492009-04-03 22:22:42 +00001639- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
1640
Benjamin Peterson7fe98532009-04-02 00:33:55 +00001641- Issue #5499: The 'c' code for argument parsing functions now only accepts a
1642 byte, and the 'C' code only accepts a unicode character.
1643
Georg Brandl406b3d82009-04-11 21:24:37 +00001644- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
1645 when hitting the recursion limit under certain circumstances.
1646
Brett Cannon0759dd62009-04-01 18:13:07 +00001647- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
1648
Georg Brandlab6f2f62009-03-31 04:16:10 +00001649- Fix a segfault when running test_exceptions with coverage, caused by
1650 insufficient checks in accessors of Exception.__context__.
1651
Guido van Rossum0ad59d42009-03-30 22:01:35 +00001652- Issue #5604: non-ASCII characters in module name passed to
1653 imp.find_module() were converted to UTF-8 while the path is
1654 converted to the default filesystem encoding, causing nonsense.
1655
Benjamin Peterson09832742009-03-26 17:15:46 +00001656- Issue #5126: str.isprintable() returned False for space characters.
1657
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +00001658- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
1659 the end sys.path, for compatibility with the system install of Python.
1660
Antoine Pitrou3a652b12009-03-23 18:52:06 +00001661- Issue #4688: Add a heuristic so that tuples and dicts containing only
1662 untrackable objects are not tracked by the garbage collector. This can
1663 reduce the size of collections and therefore the garbage collection overhead
1664 on long-running programs, depending on their particular use of datatypes.
1665
Mark Dickinson17e4fdd2009-03-23 18:44:57 +00001666- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
1667 improve its performance. Long divisions and remainder operations
1668 are now between 50% and 150% faster.
1669
Mark Dickinsonbd792642009-03-18 20:06:12 +00001670- Issue #4258: Make it possible to use base 2**30 instead of base
1671 2**15 for the internal representation of integers, for performance
1672 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
1673 --enable-big-digits option to configure, which overrides the
1674 default. Add sys.int_info structseq to provide information about
1675 the internal format.
1676
Mark Dickinson081dfee2009-03-18 14:47:41 +00001677- Issue #4474: PyUnicode_FromWideChar now converts characters outside
1678 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
1679 and sizeof(Py_UNICODE) == 2.
1680
Eric Smith8ec90442009-03-14 12:29:34 +00001681- Issue #5237: Allow auto-numbered fields in str.format(). For
1682 example: '{} {}'.format(1, 2) == '1 2'.
1683
Antoine Pitrou652e7072009-03-13 19:25:20 +00001684- Issue #5392: when a very low recursion limit was set, the interpreter would
1685 abort with a fatal error after the recursion limit was hit twice.
1686
Matthias Klose042f1332009-04-04 14:32:42 +00001687- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
1688 short file names.
1689
Benjamin Petersond1735892009-03-07 18:46:21 +00001690Library
1691-------
1692
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001693- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +00001694 mailbox.MH.get_message().
1695
Hye-Shik Chang944820b2009-04-02 10:33:16 +00001696- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
1697 error substitutions from non-strict codec error callbacks in
1698 incrementalencoder and StreamWriter.
1699
Georg Brandl33c28812009-04-01 23:07:29 +00001700- Issue #5656: Fix the coverage reporting when running the test suite with
1701 the -T argument.
1702
Raymond Hettinger3f10a952009-04-01 19:05:50 +00001703- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
1704
Georg Brandl4ed72ac2009-04-01 04:28:33 +00001705- Issue #5624: Fix the _winreg module name still used in several modules.
1706
Benjamin Petersona1b49012009-03-31 23:11:32 +00001707- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
1708
Jesse Nollera9314042009-03-31 22:36:44 +00001709- Issue #5619: Multiprocessing children disobey the debug flag and causes
1710 popups on windows buildbots. Patch applied to work around this issue.
1711
Jesse Noller32d68c22009-03-31 18:48:42 +00001712- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
1713
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +00001714- Issue #5387: Fixed mmap.move crash by integer overflow.
1715
Jesse Nollerf8d00852009-03-31 03:25:07 +00001716- Issue #5261: Patch multiprocessing's semaphore.c to support context
1717 manager use: "with multiprocessing.Lock()" works now.
1718
Brett Cannon7f6b4f82009-03-30 21:30:26 +00001719- Issue #5236: Change time.strptime() to only take strings. Didn't work with
1720 bytes already but the failure was non-obvious.
1721
Jesse Noller7af4ef82009-03-30 16:47:15 +00001722- Issue #5177: Multiprocessing's SocketListener class now uses
1723 socket.SO_REUSEADDR on all connections so that the user no longer needs
1724 to wait 120 seconds for the socket to expire.
1725
Benjamin Peterson48e24782009-03-29 13:02:52 +00001726- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
1727
Antoine Pitrou66994e12009-03-29 00:45:26 +00001728- Issue #1174606: Calling read() without arguments of an unbounded file
1729 (typically /dev/zero under Unix) could crash the interpreter.
1730
Benjamin Peterson59406a92009-03-26 17:10:29 +00001731- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
1732 io.BufferedRandom have been deprecated for removal in Python 3.2.
1733
Lars Gustäbel42e00912009-03-22 20:34:29 +00001734- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
1735 forever on incomplete input. That caused tarfile.open() to hang when used
1736 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
1737 partial bzip2 compressed data.
1738
Mark Dickinson79f52032009-03-17 23:12:51 +00001739- Issue #2110: Add support for thousands separator and 'n' type
1740 specifier to Decimal.__format__
1741
Mark Dickinson9c59fe02009-03-17 18:15:08 +00001742- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
1743 '>' alignment characters.
1744
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +00001745- The error detection code in FileIO.close() could fail to reflect the `errno`
1746 value, and report it as -1 instead.
1747
Antoine Pitroua28fcfd2009-03-13 23:42:55 +00001748- Issue #5016: FileIO.seekable() could return False if the file position
1749 was negative when truncated to a C int. Patch by Victor Stinner.
1750
Mark Dickinsonae681df2009-03-21 10:26:31 +00001751Extension Modules
1752-----------------
1753
Benjamin Petersone099b372009-04-04 17:09:35 +00001754- Issue #5391: mmap now deals exclusively with bytes.
1755
Mark Dickinsonae681df2009-03-21 10:26:31 +00001756- Issue #5463: In struct module, remove deprecated overflow wrapping
1757 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +00001758 struct.error instead of returning b'\xff\xff\xff\xff'. The
1759 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
1760 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +00001761
Benjamin Petersond1735892009-03-07 18:46:21 +00001762
Benjamin Petersona58a6262009-03-07 16:34:40 +00001763What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +00001764================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001765
Benjamin Petersona58a6262009-03-07 16:34:40 +00001766*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001767
1768Core and Builtins
1769-----------------
1770
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +00001771- The io module has been reimplemented in C for speed.
1772
Raymond Hettingerb0d56af2009-03-03 10:52:49 +00001773- Give dict views an informative __repr__.
1774
Eric Smith5e5c0db2009-02-20 14:25:03 +00001775- Issue #5247: Improve error message when unknown format codes are
1776 used when using str.format() with str, int, and float arguments.
1777
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +00001778- Issue #5249: time.strftime returned malformed string when format string
1779 contained non ascii character on windows.
1780
Benjamin Petersonf5b52242009-03-02 23:31:26 +00001781- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
1782 source has already been decoded into str.
1783
Antoine Pitrou79eee6b2009-02-13 14:01:05 +00001784- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
1785 rotating the object pointer by 4 bits to the right.
1786
Mark Dickinson87ec0852009-02-09 17:15:59 +00001787- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
1788 it now forces its argument to double before testing for infinity.
1789
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +00001790- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
1791 returns a non-number type.
1792
Benjamin Peterson87618552009-02-08 15:00:52 +00001793- Issue #5182: Removed memoryview.__str__.
1794
Mark Dickinsonc008a172009-02-01 13:59:22 +00001795- Issue #1717: Removed builtin cmp() function, dropped tp_compare
1796 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +00001797 the type definition cmpfunc. The tp_compare slot has been renamed
1798 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +00001799
Georg Brandl1cdd83c2009-04-05 20:24:29 +00001800- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +00001801 were suppressing all exceptions. These include list() and bytearray().
1802
Mark Dickinson1124e712009-01-28 21:25:58 +00001803- Issue #4707: round(x, n) now returns an integer if x is an integer.
1804 Previously it returned a float.
1805
Antoine Pitroub52ec782009-01-25 16:34:23 +00001806- Issue #4753: By enabling a configure option named '--with-computed-gotos'
1807 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
1808 evaluation loop is compiled with a new dispatch mechanism which gives
1809 speedups of up to 20%, depending on the system, on various benchmarks.
1810
Antoine Pitrou81fabdb2009-01-22 10:11:36 +00001811- Issue #4874: Most builtin decoders now reject unicode input.
1812
Mark Dickinson9ffc0202009-01-20 20:45:53 +00001813- Issue #4842: Don't allow trailing 'L' when constructing an integer
1814 from a string.
1815
Benjamin Peterson05e782f2009-01-19 15:15:02 +00001816- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
1817
Antoine Pitroue4bc7f62009-01-17 21:06:43 +00001818- Issue #4838: When a module is deallocated, free the memory backing the
1819 optional module state data.
1820
Mark Dickinson8055afd2009-01-17 10:04:45 +00001821- Issue #4910: Rename nb_long slot to nb_reserved, and change its
1822 type to (void *).
1823
Antoine Pitrou8d4e5052009-01-13 22:59:11 +00001824- Issue #4935: The overflow checking code in the expandtabs() method common
1825 to str, bytes and bytearray could be optimized away by the compiler, letting
1826 the interpreter segfault instead of raising an error.
1827
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +00001828- Issue #3720: Fix a crash when an iterator modifies its class and removes its
1829 __next__ method.
1830
Mark Dickinsone5e298f2009-01-12 20:49:19 +00001831- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
1832 function no longer attempt to call the __long__ slot to convert an object
1833 to an integer. Only the __int__ and __trunc__ slots are examined.
1834
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +00001835- Issue #4893: Use NT threading on CE.
1836
Martin v. Löwisec59d042009-01-12 07:59:10 +00001837- Issue #4915: Port sysmodule to Windows CE.
1838
Antoine Pitrouab868312009-01-10 15:40:25 +00001839- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
1840 common cases are optimized thanks to a dedicated fast path and a moderate
1841 amount of loop unrolling.
1842
Antoine Pitrou14b78f52009-01-09 22:27:08 +00001843- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
1844 collecting the oldest generation) so that allocating lots of objects without
1845 destroying them does not show quadratic performance. Based on a proposal by
1846 Martin von Löwis at
1847 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
1848
Vinay Sajip6268cbc2009-01-21 00:19:28 +00001849- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +00001850 having been closed (for instance, a read() call could return some
1851 previously buffered data). Patch by Dmitry Vasiliev.
1852
Antoine Pitrou05608432009-01-09 18:53:14 +00001853- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
1854 flag to work properly. Furthermore, when specifying -u, the text stdout
1855 and stderr streams have line-by-line buffering enabled (the default being
1856 to buffer arbitrary chunks of data).
1857
Raymond Hettinger35631532009-01-09 03:58:09 +00001858- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
1859 instead of ints (reducing its size from 4 to 8 times thereby reducing
1860 Python's overall memory).
1861
Antoine Pitroud35cbf62009-01-06 19:02:24 +00001862- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
1863 an existing .py counterpart, override the co_filename attributes of all
1864 code objects if the original filename is obsolete (which can happen if the
1865 file has been renamed, moved, or if it is accessed through different paths).
1866 Patch by Ziga Seilnacht and Jean-Paul Calderone.
1867
Antoine Pitrouc3b39242009-01-03 16:59:18 +00001868- Issue #4580: Fix slicing of memoryviews when the item size is greater than
1869 one byte. Also fixes the meaning of len() so that it returns the number of
1870 items, rather than the size in bytes.
1871
Martin v. Löwis5c88d812009-01-02 20:47:48 +00001872- Issue #4075: Use OutputDebugStringW in Py_FatalError.
1873
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +00001874- Issue #4747: When the terminal does not use utf-8, executing a script with
1875 non-ascii characters in its name could fail with a "SyntaxError: None" error.
1876
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001877- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +00001878 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +00001879
Antoine Pitrou7ddda782009-01-01 15:35:33 +00001880- Issue #3680: Reference cycles created through a dict, set or deque iterator
1881 did not get collected.
1882
Nick Coghlanf1f2f682008-12-30 07:29:12 +00001883- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
1884 where the tp_hash and tp_dict slots are both NULL.
1885
Georg Brandlccc47b62008-12-28 11:44:14 +00001886- Issue #4759: None is now allowed as the first argument of
1887 bytearray.translate(). It was always allowed for bytes.translate().
1888
Skip Montanaro80072cb2008-12-23 03:51:14 +00001889- Added test case to ensure attempts to read from a file opened for writing
1890 fail.
1891
Antoine Pitrou51f3ef92008-12-20 13:14:23 +00001892- Issue #3106: Speedup some comparisons (str/str and int/int).
1893
Antoine Pitrouf289ae62008-12-18 11:06:25 +00001894- Issue #2183: Simplify and optimize bytecode for list, dict and set
1895 comprehensions. Original patch for list comprehensions by Neal Norwitz.
1896
Antoine Pitrou621601a2008-12-17 23:18:19 +00001897- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
1898 print elapsed times, not only when some objects are uncollectable /
1899 unreachable. Original patch by Neil Schemenauer.
1900
Mark Dickinson54bc1ec2008-12-17 16:19:07 +00001901- Issue #3439: Add a bit_length method to int.
1902
Mark Dickinsonda2706b2008-12-11 18:03:03 +00001903- Issue #2173: When getting device encoding, check that return value of
1904 nl_langinfo is not the empty string. This was causing silent build
1905 failures on OS X.
1906
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +00001907- Issue #4597: Fixed several opcodes that weren't always propagating
1908 exceptions.
1909
1910- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +00001911 context manager returns a value that cannot be converted to a bool.
1912
Mark Dickinsonfd24b322008-12-06 15:33:31 +00001913- Issue #4445: Replace "sizeof(PyBytesObject)" with
1914 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
1915 bytes instances. On a typical machine this saves 3 bytes of memory
1916 (on average) per allocation of a bytes instance.
1917
Christian Heimesa872de52008-12-05 08:26:55 +00001918- Issue #4533: File read operation was dreadfully slow due to a slowly
1919 growing read buffer. Fixed by using the same growth rate algorithm as
1920 Python 2.x.
1921
Antoine Pitrou5504e892008-12-06 21:27:53 +00001922- Issue #4509: Various issues surrounding resize of bytearray objects to
1923 which there are buffer exports (e.g. memoryview instances).
1924
Georg Brandlf9734072008-12-07 15:30:06 +00001925- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
1926 method on file objects with closefd=False. The file descriptor is still
1927 kept open but the file object behaves like a closed file. The ``FileIO``
1928 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +00001929
Antoine Pitroubc420402008-12-07 20:14:49 +00001930- Issue #4569: Interpreter crash when mutating a memoryview with an item size
1931 larger than 1.
1932
Benjamin Peterson371ccfb2008-12-27 19:03:36 +00001933- Issue #4748: Lambda generators no longer return a value.
1934
Gregory P. Smithccc5ae72009-03-02 05:21:55 +00001935- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
1936
Walter Dörwaldc1651a02009-05-03 22:55:55 +00001937- Issue #5108: Handle %s like %S, %R and %A in PyUnicode_FromFormatV(): Call
1938 PyUnicode_DecodeUTF8() once, remember the result and output it in a second
1939 step. This avoids problems with counting UTF-8 bytes that ignores the effect
1940 of using the replace error handler in PyUnicode_DecodeUTF8().
1941
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00001942Library
1943-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +00001944
Tarek Ziadé04fe7c02009-10-25 23:08:47 +00001945- Issue #7071: byte-compilation in Distutils is now done with respect to
1946 sys.dont_write_bytecode.
1947
Tarek Ziadé978cca62009-10-24 13:38:27 +00001948- Issue #7066: archive_util.make_archive now restores the cwd if an error is
1949 raised. Initial patch by Ezio Melotti.
1950
Vinay Sajip96d4aa32009-10-16 14:06:44 +00001951- Issue #6516: Added owner/group support when creating tar archives in
Tarek Ziadé05b30342009-10-02 23:56:02 +00001952 Distutils.
1953
Tarek Ziadé31d46072009-09-21 13:55:19 +00001954- Issue #6954: Fixed crash when using DISTUTILS_DEBUG flag in Distutils.
1955
Tarek Ziadé165581c2009-09-09 08:48:07 +00001956- Issue #6163: Fixed HP-UX runtime library dir options in
1957 distutils.unixcompiler. Initial patch by Sridhar Ratnakumar and
1958 Michael Haubenwallner.
1959
Tarek Ziadé4a608c02009-08-20 21:28:05 +00001960- Issue #6693: New functions in site.py to get user/global site packages paths.
1961
Amaury Forgeot d'Arcbc347802009-07-28 22:18:57 +00001962- Issue #6511: ZipFile now raises BadZipfile (instead of an IOError) when
1963 opening an empty or very small file.
1964
1965- Issue #6545: Removed assert statements in distutils.Extension, so the
Tarek Ziadé2f19bb12009-07-22 08:57:28 +00001966 behavior is similar when used with -O.
1967
Benjamin Petersonbed7d042009-07-19 21:01:52 +00001968- unittest has been split up into a package. All old names should still work.
1969
Tarek Ziadéf8926b22009-07-16 16:18:19 +00001970- Issue #6466: now distutils.cygwinccompiler and distutils.emxccompiler
1971 uses the same refactored function to get gcc/ld/dllwrap versions numbers.
1972 It's `distutils.util.get_compiler_versions`. Added deprecation warnings
1973 for the obsolete get_versions() functions.
1974
Alexandre Vassalottie52e3782009-07-17 09:18:18 +00001975- Issue #6433: fixed issues with multiprocessing.pool.map hanging on empty list
1976
1977- Issue #6314: logging: Extra checks on the "level" argument in more places.
1978
1979- Issue #2622: Fixed an ImportError when importing email.messsage from a
1980 standalone application built with py2exe or py2app.
1981
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001982- Issue #6455: Fixed test_build_ext under win32.
Tarek Ziadéb7815e32009-07-10 09:14:31 +00001983
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001984- Issue #6377: Enabled the compiler option, and deprecate its usage as an
Tarek Ziadédd07ebb2009-07-06 13:52:17 +00001985 attribute.
1986
Tarek Ziadé05bf01a2009-07-04 02:04:21 +00001987- Issue #6413: Fixed the log level in distutils.dist for announce.
1988
Tarek Ziadée10d6de2009-07-03 08:33:28 +00001989- Issue #6403: Fixed package path usage in build_ext.
1990
Alexandre Vassalottie52e3782009-07-17 09:18:18 +00001991- Issues #5155, 5313, 5331: multiprocessing.Process._bootstrap was
1992 unconditionally calling "os.close(sys.stdin.fileno())" resulting in file
1993 descriptor errors
1994
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001995- Issue #6365: Distutils build_ext inplace mode was copying the compiled
Tarek Ziadé0156f912009-06-29 16:19:22 +00001996 extension in a subdirectory if the extension name had dots.
1997
Vinay Sajipd4fabf42009-07-13 11:28:25 +00001998- Issue #6164: Added an AIX specific linker argument in Distutils
Tarek Ziadé8f480e52009-06-28 21:30:52 +00001999 unixcompiler. Original patch by Sridhar Ratnakumar.
2000
Tarek Ziadé25bd2062009-06-28 21:26:27 +00002001- Issue #6286: Now Distutils upload command is based on urllib2 instead of
2002 httplib, allowing the usage of http_proxy.
2003
Tarek Ziadé5e06a652009-06-16 07:43:42 +00002004- Issue #6287: Added the license field in Distutils documentation.
2005
Tarek Ziadéff543362009-06-11 09:25:41 +00002006- Issue #6263: Fixed syntax error in distutils.cygwincompiler.
2007
Tarek Ziadéabcc3f42009-06-11 08:31:17 +00002008- Issue #5201: distutils.sysconfig.parse_makefile() now understands `$$`
2009 in Makefiles. This prevents compile errors when using syntax like:
2010 `LDFLAGS='-rpath=\$$LIB:/some/other/path'`. Patch by Floris Bruynooghe.
2011
Hirokazu Yamamoto2703fd92009-05-29 09:14:04 +00002012- Issue #6131: test_modulefinder leaked when run after test_distutils.
2013 Patch by Hirokazu Yamamoto.
2014
Tarek Ziadé77c8b372009-05-28 13:01:13 +00002015- Issue #6048: Now Distutils uses the tarfile module in archive_util.
2016
Vinay Sajipaffbd872009-06-11 10:11:47 +00002017- Issue #6062: In distutils, fixed the package option of build_ext. Feedback
Tarek Ziadé822eb842009-05-19 16:22:57 +00002018 and tests on pywin32 by Tim Golden.
2019
Tarek Ziadé93fb3aa2009-05-18 12:29:06 +00002020- Issue #6053: Fixed distutils tests on win32. patch by Hirokazu Yamamoto.
2021
Tarek Ziadéd18a84e2009-05-18 08:07:46 +00002022- Issue #6046: Fixed the library extension when distutils build_ext is used
2023 inplace. Initial patch by Roumen Petrov.
2024
Vinay Sajipaffbd872009-06-11 10:11:47 +00002025- Issue #6041: Now distutils `sdist` and `register` commands use `check` as a
Tarek Ziadé5af55c62009-05-16 16:52:13 +00002026 subcommand.
2027
Tarek Ziadé4210c6e2009-05-14 20:20:47 +00002028- Issue #6022: a test file was created in the current working directory by
2029 test_get_outputs in Distutils.
2030
Tarek Ziadéff0e5002009-05-12 17:14:01 +00002031- Issue #5977: distutils build_ext.get_outputs was not taking into account the
2032 inplace option. Initial patch by kxroberto.
2033
Tarek Ziadé06fbee12009-05-10 10:34:01 +00002034- Issue #5984: distutils.command.build_ext.check_extensions_list checks were broken
2035 for old-style extensions.
2036
Tarek Ziadébe5b1b92009-05-09 10:09:11 +00002037- Issue #5976: Fixed Distutils test_check_environ.
2038
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00002039- Issue #5941: Distutils build_clib command was not working anymore because
2040 of an incomplete costumization of the archiver command. Added ARFLAGS in the
2041 Makefile besides AR and make Distutils use it. Original patch by David
2042 Cournapeau.
2043
R. David Murrayb507d2e2009-04-29 15:34:32 +00002044- Issue #2245: aifc now skips chunk types it doesn't recognize, per spec.
2045
Vinay Sajipaffbd872009-06-11 10:11:47 +00002046- Issue #5874: distutils.tests.test_config_cmd is not locale-sensitive
Tarek Ziadé81623822009-04-29 08:07:44 +00002047 anymore.
2048
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00002049- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +00002050 sysconfig.get_config_vars.
2051
Tarek Ziadé23336082009-04-25 12:39:56 +00002052- Issue #4951: Fixed failure in test_httpservers.
2053
Thomas Hellerd3cfe992009-04-24 20:10:24 +00002054- Issue #5795: Fixed test_distutils failure on Debian ppc.
2055
Tarek Ziadé822e1d42009-04-13 12:37:57 +00002056- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
2057
Georg Brandl1f9fa312009-04-27 16:42:58 +00002058- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
2059 a value in SafeConfigParser.
2060
Tarek Ziadéf396ecf2009-04-11 15:00:43 +00002061- Issue #5732: added a new command in Distutils: check.
2062
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00002063- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +00002064 platforms. Initial patch by Paul Moore.
2065
Tarek Ziadéf6370502009-04-05 22:57:21 +00002066- Issue #5095: Added bdist_msi to the list of bdist supported formats.
2067 Initial fix by Steven Bethard.
2068
Tarek Ziadé889b0aa2009-04-05 21:49:36 +00002069- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
2070 Initial fix by Wayne Davison.
2071
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002072- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +00002073
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002074- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +00002075
Brett Cannonf47e84c2009-04-01 16:06:01 +00002076- Issue #1665206 (partially): Move imports in cgitb to the top of the module
2077 instead of performing them in functions. Helps prevent import deadlocking in
2078 threads.
2079
R. David Murraye59482e2009-04-01 03:42:00 +00002080- Issue #2522: locale.format now checks its first argument to ensure it has
2081 been passed only one pattern, avoiding mysterious errors where it appeared
2082 that it was failing to do localization.
2083
Tarek Ziadéb2e36f12009-03-31 22:37:55 +00002084- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
2085 Brandl.
2086
Antoine Pitrou350370c2009-03-14 00:13:13 +00002087- Issue #1222: locale.format() bug when the thousands separator is a space
2088 character.
2089
Tarek Ziadé516db942009-03-11 12:52:00 +00002090- Issue #5472: Fixed distutils.test_util tear down. Original patch by
2091 Tim Golden.
2092
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +00002093- collections.deque() objects now have a read-only attribute called maxlen.
2094
Guilherme Polof45b4cc2009-03-07 02:19:14 +00002095- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
2096 it is has been populated and properly configured in order to prevent
2097 window flashing.
2098
Guilherme Polo56f5be52009-03-07 01:54:57 +00002099- Issue #4792: Prevent a segfault in _tkinter by using the
2100 guaranteed to be safe interp argument given to the PythonCmd in place of
2101 the Tcl interpreter taken from a PythonCmd_ClientData.
2102
2103- Issue #5193: Guarantee that tkinter.Text.search returns a string.
2104
Tarek Ziadé63b64c02009-03-07 00:51:53 +00002105- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
2106 Original patch by Akira Kitada.
2107
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +00002108- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
2109
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +00002110- Issue #5385: Fixed mmap crash after resize failure on windows.
2111
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +00002112- Issue #5179: Fixed subprocess handle leak on failure on windows.
2113
Raymond Hettinger2d32f632009-03-02 21:24:57 +00002114- PEP 372: Added collections.OrderedDict().
2115
Raymond Hettingera4f52b12009-03-02 22:28:31 +00002116- The _asdict() for method for namedtuples now returns an OrderedDict().
2117
Raymond Hettinger0663a1e2009-03-02 23:06:00 +00002118- configparser now defaults to using an ordered dictionary.
2119
Benjamin Petersone0124bd2009-03-09 21:04:33 +00002120- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
2121 import guess_extension`` was used.
2122
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +00002123- Issue #1733986: Fixed mmap crash in accessing elements of second map object
2124 with same tagname but larger size than first map. (Windows)
2125
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +00002126- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
2127 overrun.
2128
Tarek Ziadéf0721222009-02-28 10:16:43 +00002129- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
2130 bdist_rpm command.
2131
2132- Issue #5378: added --quiet option to Distutils bdist_rpm command.
2133
Tarek Ziadé38e3d512009-02-27 12:58:56 +00002134- Issue #5052: make Distutils compatible with 2.3 again.
2135
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +00002136- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
2137 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +00002138
Vinay Sajipb672b6d2009-02-19 12:36:11 +00002139- Issue #5287: Add exception handling around findCaller() call to help out
2140 IronPython.
2141
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +00002142- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
2143 The file was resized to wrong size.
2144
2145- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
2146
Vinay Sajipb672b6d2009-02-19 12:36:11 +00002147- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +00002148 from the package_data and the data_files metadata.
2149
Vinay Sajipb672b6d2009-02-19 12:36:11 +00002150- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +00002151 support.TempdirManager, to avoid writing in the tests directory.
2152
Tarek Ziadé68c50952009-02-13 23:04:17 +00002153- Issue #4524: distutils build_script command failed with --with-suffix=3.
2154 Initial patch by Amaury Forgeot d'Arc.
2155
Tarek Ziadé811d6242009-02-13 22:26:15 +00002156- Issue #2461: added tests for distutils.util
2157
Mark Dickinsonc28ad272009-02-12 17:58:36 +00002158- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
2159 which inherited from numbers.py which did not have __slots__ defined. The
2160 numbers hierarchy now has its own __slots__ declarations.
2161
Antoine Pitroub353c122009-02-11 00:39:14 +00002162- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
2163 encoding.
2164
Thomas Heller465c8022009-02-10 18:59:04 +00002165- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
2166 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
2167
Tarek Ziadé7d5e9872009-02-10 12:36:33 +00002168- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
2169 under NT and OS2. Patch by Philip Jenvey.
2170
Brett Cannonbefb14f2009-02-10 02:10:16 +00002171- Issue #5128: Make compileall properly inspect bytecode to determine if needs
2172 to be recreated. This avoids a timing hole thanks to the old reliance on the
2173 ctime of the files involved.
2174
Guilherme Polob681df42009-02-09 22:33:59 +00002175- Issue #5122: Synchronize tk load failure check to prevent a potential
2176 deadlock.
2177
Benjamin Petersona86f2c02009-02-10 02:41:10 +00002178- Issue #1818: collections.namedtuple() now supports a keyword argument
2179 'rename' which lets invalid fieldnames be automatically converted to
2180 positional names in the form, _1, _2, ...
2181
Guilherme Poloae098992009-02-09 16:44:24 +00002182- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
2183
Nick Coghlan9a1d6e32009-02-08 03:37:27 +00002184- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
2185 public documented method ``ZipImporter.get_filename()``.
2186
Nick Coghlan3f48ae32009-02-08 01:58:26 +00002187- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
2188 the execution of packages by looking for and executing a ``__main__``
2189 submodule when a package name is supplied. Initial patch by Andi
2190 Vajda.
2191
Guilherme Polo491aee22009-02-06 23:16:11 +00002192- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
2193 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
2194 Tkapp_Call when calling from a thread different than the one that created
2195 the Tcl interpreter. Patch by Robert Hancock.
2196
Eric Smith0e5b5622009-02-06 01:32:42 +00002197- Issue #4285: Change sys.version_info to be a named tuple. Patch by
2198 Ross Light.
2199
Vinay Sajipb672b6d2009-02-19 12:36:11 +00002200- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +00002201 environment/Makefile. Patch by Douglas Greiman.
2202
Tarek Ziadé70a74eb2009-02-06 00:38:35 +00002203- Issue #1276768: The verbose option was not used in the code of
2204 distutils.file_util and distutils.dir_util.
2205
Vinay Sajipb672b6d2009-02-19 12:36:11 +00002206- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +00002207 --enabled-shared activated. Initial patch by Dave Peterson.
2208
Guilherme Polo7f423952009-02-02 21:17:09 +00002209- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
2210
Raymond Hettinger85602262009-02-03 04:19:10 +00002211- The shelve module now defaults to pickle protocol 3.
2212
Brett Cannone61426e2009-01-30 01:31:34 +00002213- Fix a bug in the trace module where a bytes object from co_lnotab had its
2214 items being passed through ord().
2215
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +00002216- Issue #2047: shutil.move() could believe that its destination path was
2217 inside its source path if it began with the same letters (e.g. "src" vs.
2218 "src.new").
2219
Guilherme Polo5f238482009-01-28 14:41:10 +00002220- Added the ttk module. See issue #2983: Ttk support for Tkinter.
2221
Raymond Hettinger89e12962009-01-26 02:09:03 +00002222- Removed isSequenceType(), isMappingType, and isNumberType() from the
2223 operator module; use the abstract base classes instead. Also removed
2224 the repeat() function; use mul() instead.
2225
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002226- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +00002227 collections.namedtuple() relied on __name__ being defined.
2228
2229- Backport importlib from Python 3.1. Only the import_module() function has
2230 been backported to help facilitate transitions from 2.7 to 3.1.
2231
Tarek Ziadé0302cf52009-01-26 17:23:20 +00002232- Issue #1885: distutils. When running sdist with --formats=tar,gztar
2233 the tar file was overriden by the gztar one.
2234
Tarek Ziadé4d4456f2009-01-25 18:27:45 +00002235- Issue #4863: distutils.mwerkscompiler has been removed.
2236
Raymond Hettingerd07d9392009-01-27 04:20:44 +00002237- Added a new itertools functions: combinations_with_replacement()
2238 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +00002239
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002240- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +00002241 allowed non-integer arguments.
2242
Jesse Noller41faa542009-01-25 03:45:53 +00002243- Fix and properly document the multiprocessing module's logging
2244 support, expose the internal levels and provide proper usage
2245 examples.
2246
Mark Dickinsoncddcf442009-01-24 21:46:33 +00002247- Issue #1672332: fix unpickling of subnormal floats, which was
2248 producing a ValueError on some platforms.
2249
Martin v. Löwisacbf4612009-01-24 16:19:45 +00002250- Issue #3881: Help Tcl to load even when started through the
2251 unreadable local symlink to "Program Files" on Vista.
2252
Martin v. Löwis59e47792009-01-24 14:10:07 +00002253- Issue #4710: Extract directories properly in the zipfile module;
2254 allow adding directories to a zipfile.
2255
Vinay Sajipb672b6d2009-02-19 12:36:11 +00002256- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +00002257 --without-threads argument. When this occurs, _multiprocessing will
2258 be disabled, and not compiled.
2259
Antoine Pitrou08838b62009-01-21 00:55:13 +00002260- Issue #5008: When a file is opened in append mode with the new IO library,
2261 do an explicit seek to the end of file (so that e.g. tell() returns the
2262 file size rather than 0). This is consistent with the behaviour of the
2263 traditional 2.x file object.
2264
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002265- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
2266 parameter was set.
2267
Mark Dickinson8dd05142009-01-20 20:43:58 +00002268- Issue #4842: Always append a trailing 'L' when pickling longs using
2269 pickle protocol 0. When reading, the 'L' is optional.
2270
Brett Cannonafccd632009-01-20 02:21:27 +00002271- Add the importlib package.
2272
Jesse Noller9a0fc972009-01-18 21:12:58 +00002273- Issue #4301: Patch the logging module to add processName support, remove
2274 _check_logger_class from multiprocessing.
2275
Jesse Noller1cbb17a2009-01-18 19:45:18 +00002276- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002277 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +00002278
Benjamin Peterson9953a8d2009-01-17 04:15:01 +00002279- Issue #4959: inspect.formatargspec now works for keyword only arguments
2280 without defaults.
2281
Jesse Noller6214edd2009-01-19 16:23:53 +00002282- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
2283 for *nix machines for negative handles and large int handles. Without this check
2284 it is possible to segfault the interpreter.
2285
Jesse Nollerb0516a62009-01-18 03:11:38 +00002286- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
2287 in sharedctypes.py.
2288
2289- Issue #1225107: inspect.isclass() returned True for instances with a custom
2290 __getattr__.
2291
Gregory P. Smithde3369f2009-01-12 04:50:11 +00002292- Issue #3826 and #4791: The socket module now closes the underlying socket
2293 appropriately when it is being used via socket.makefile() objects
2294 rather than delaying the close by waiting for garbage collection to do it.
2295
Raymond Hettingerb8baf632009-01-14 02:20:07 +00002296- Issue #1696199: Add collections.Counter() for rapid and convenient
2297 counting.
2298
Antoine Pitrou308705e2009-01-10 16:22:51 +00002299- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
2300
Thomas Heller5e4e4272009-01-08 09:34:20 +00002301- Issue #4867: Fixed a crash in ctypes when passing a string to a
2302 function without defining argtypes.
2303
Antoine Pitrou42db3ef2009-01-04 21:37:59 +00002304- Issue #4272: Add an optional argument to the GzipFile constructor to override
2305 the timestamp in the gzip stream. The default value remains the current time.
2306 The information can be used by e.g. gunzip when decompressing. Patch by
2307 Jacques Frechet.
2308
Mark Dickinson315a20a2009-01-04 21:34:18 +00002309- Restore Python 2.3 compatibility for decimal.py.
2310
Guilherme Polo3f5f8222009-01-03 22:00:39 +00002311- Issue #3638: Remove functions from _tkinter module level that depend on
2312 TkappObject to work with multiple threads.
2313
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002314- Issue #4718: Adapt the wsgiref package so that it actually works with
2315 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +00002316 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
2317
Raymond Hettinger771ed762009-01-03 19:20:32 +00002318- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
2319 to the decimal module.
2320
Georg Brandl3a9b0622009-01-03 22:07:57 +00002321- Fractions.from_float() no longer loses precision for integers too big to
2322 cast as floats.
2323
Mark Dickinsonf9236412009-01-02 23:23:21 +00002324- Issue #4812: add missing underscore prefix to some internal-use-only
2325 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
2326
Georg Brandl1cdd83c2009-04-05 20:24:29 +00002327- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +00002328 did unnecessary work in the common case where no key function was specified.
2329
Georg Brandlb1441c72009-01-03 22:33:39 +00002330- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
2331 the function is not a generator.
2332
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002333- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
2334 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +00002335
Vinay Sajip6268cbc2009-01-21 00:19:28 +00002336- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +00002337 function. Original patch by Thomas Heller.
2338
Martin v. Löwis1f1620e2008-12-29 16:27:13 +00002339- Issue #3767: Convert Tk object to string in tkColorChooser.
2340
Martin v. Löwise354d782008-12-29 16:03:04 +00002341- Issue #3248: Allow placing ScrolledText in a PanedWindow.
2342
Antoine Pitrou5acd41e2008-12-28 14:29:00 +00002343- Issue #4444: Allow assertRaises() to be used as a context handler, so that
2344 the code under test can be written inline if more practical.
2345
Georg Brandldb7b6b92009-01-01 15:53:14 +00002346- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
2347 works as expected in the interactive environment.
2348
Antoine Pitroudb5fe662008-12-27 15:50:40 +00002349- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
2350 Gabriel Genellina.
2351
Antoine Pitrou180a3362008-12-14 16:36:46 +00002352- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
2353 boundary.
2354
Nick Coghlanf088e5e2008-12-14 11:50:48 +00002355- Issue #4223: inspect.getsource() will now correctly display source code
2356 for packages loaded via zipimport (or any other conformant PEP 302
2357 loader). Original patch by Alexander Belopolsky.
2358
2359- Issue #4201: pdb can now access and display source code loaded via
2360 zipimport (or any other conformant PEP 302 loader). Original patch by
2361 Alexander Belopolsky.
2362
2363- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
2364 302 conformant loader) will now work correctly in most cases (they
2365 are still subject to the constraints that exist for all code running
2366 from inside a module loaded via a PEP 302 loader and attempting to
2367 perform IO operations based on __file__). Original patch by
2368 Alexander Belopolsky.
2369
2370- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
2371 allows backporting to maintenance branches. Original patch by
2372 Alexander Belopolsky.
2373
Antoine Pitrou7c59bc62008-12-13 23:20:54 +00002374- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
2375 a non-ASCII letter.
2376
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +00002377- Issue #4616: TarFile.utime(): Restore directory times on Windows.
2378
Benjamin Peterson433f32c2008-12-12 01:25:05 +00002379- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
2380 codec cannot be found. This is for compatibility with the builtin behavior.
2381
Facundo Batista708d5812008-12-11 04:20:07 +00002382- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
2383 give correct results in the case where one argument is a quiet NaN
2384 and the other is a finite number that requires rounding.
2385
Skip Montanaroc1ce2862008-12-06 17:25:02 +00002386- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
2387 libs.
2388
Georg Brandlf9734072008-12-07 15:30:06 +00002389- Added the subprocess.check_call_output() convenience function to get output
2390 from a subprocess on success or raise an exception on error.
2391
2392- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
2393 support unusual filenames (such as those containing semi-colons) in
2394 Content-Disposition headers.
2395
2396- Issue #4384: Added logging integration with warnings module using
2397 captureWarnings(). This change includes a NullHandler which does nothing;
2398 it will be of use to library developers who want to avoid the "No handlers
2399 could be found for logger XXX" message which can appear if the library user
2400 doesn't configure logging.
2401
2402- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
2403 exception.
2404
Georg Brandleee31162008-12-07 15:15:22 +00002405- Issue #4529: fix the parser module's validation of try-except-finally
2406 statements.
2407
2408- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
2409 not a malformed option.
2410
2411- Added the subprocess.check_output() convenience function to get output
2412 from a subprocess on success or raise an exception on error.
2413
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +00002414- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
2415 the corresponding tests now pass.
2416
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +00002417- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
2418 it was calling the wrong open() function.
2419
Fred Drake9a0a65b2008-12-04 19:24:50 +00002420- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
2421 support unusual filenames (such as those containing semi-colons) in
2422 Content-Disposition headers.
2423
Matthias Klose2c7e3ee2009-01-10 17:08:25 +00002424- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
2425 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
2426
Benjamin Peterson5c6d7872009-02-06 02:40:07 +00002427- Issue #5104: The socket module now raises OverflowError when 16-bit port and
2428 protocol numbers are supplied outside the allowed 0-65536 range on bind()
2429 and getservbyport().
2430
Jeroen Ruigrok van der Werven0a866942009-05-08 14:18:00 +00002431- Windows locale mapping updated to Vista.
2432
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00002433Tools/Demos
2434-----------
2435
Antoine Pitrou8a681222009-02-07 17:13:31 +00002436- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
2437 and make it 2.6-compatible.
2438
Guilherme Poloa7d27972009-01-28 16:06:51 +00002439- Ttk demos added in Demo/tkinter/ttk/
2440
Antoine Pitrou2a013ea2008-12-27 20:39:28 +00002441- Issue #4677: add two list comprehension tests to pybench.
2442
Georg Brandlb1441c72009-01-03 22:33:39 +00002443
2444Build
2445-----
2446
Benjamin Petersonf53eec82009-05-23 19:36:27 +00002447- Issue #6094: Build correctly with Subversion 1.7.
2448
Martin v. Löwis8482ef92009-05-05 16:14:30 +00002449- Issue #5847: Remove -n switch on "Edit with IDLE" menu item.
2450
Antoine Pitrou8966c992009-05-01 21:18:27 +00002451- Issue #5726: Make Modules/ld_so_aix return the actual exit code of the
2452 linker, rather than always exit successfully. Patch by Floris Bruynooghe.
2453
Matthias Klose55708cc2009-04-30 08:06:49 +00002454- Issue #4587: Add configure option --with-dbmliborder=db1:db2:... to specify
Vinay Sajipaffbd872009-06-11 10:11:47 +00002455 the order that backends for the dbm extension are checked.
Matthias Klose55708cc2009-04-30 08:06:49 +00002456
Matthias Klose906785c2009-02-22 23:18:38 +00002457- Link the shared python library with $(MODLIBS).
2458
Martin v. Löwis11f72102009-02-10 13:13:30 +00002459- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
2460
Martin v. Löwisbc186a82009-02-02 15:32:22 +00002461- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
2462
Martin v. Löwise97637d2009-01-11 09:45:11 +00002463- Issue #4895: Use _strdup on Windows CE.
2464
Georg Brandlb1441c72009-01-03 22:33:39 +00002465- Issue #4472: "configure --enable-shared" now works on OSX
2466
2467- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
2468
2469- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
2470
2471- Issue #4289: Remove Cancel button from AdvancedDlg.
2472
2473- Issue #1656675: Register a drop handler for .py* files on Windows.
2474
2475- Issue #4120: Exclude manifest from extension modules in VS2008.
2476
2477- Issue #4091: Install pythonxy.dll in system32 again.
2478
2479- Issue #4018: Disable "for me" installations on Vista.
2480
2481- Issue #3758: Add ``patchcheck`` build target to .PHONY.
2482
2483- Issue #4204: Fixed module build errors on FreeBSD 4.
2484
2485
2486C-API
2487-----
2488
Sean Reifscheider642d96a2009-08-01 23:55:06 +00002489- Issue #6624: yArg_ParseTuple with "s" format when parsing argument with
2490 NUL: Bogus TypeError detail string.
2491
Mark Dickinson21776072009-02-10 16:13:25 +00002492- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
2493 for negative arguments. Previously, it raised TypeError.
2494
Georg Brandlb1441c72009-01-03 22:33:39 +00002495- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
2496
2497- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
2498 the GIL is released, or owned by another thread.
2499
2500- Issue #4122: On Windows, fix a compilation error when using the
2501 Py_UNICODE_ISSPACE macro in an extension module.
2502
2503
Mark Dickinsone675f082008-12-11 21:56:00 +00002504Extension Modules
2505-----------------
2506
Gregory P. Smith365a1862009-02-12 07:35:29 +00002507- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
2508 supporting objects as input no matter how it was compiled (built in
2509 implementations or external openssl library).
2510
Mark Dickinson29500f62009-01-15 15:36:10 +00002511- Issue #4397: Fix occasional test_socket failure on OS X.
2512
Martin v. Löwisa9b54c72009-01-11 09:30:50 +00002513- Issue #4279: Fix build of parsermodule under Cygwin.
2514
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +00002515- Issue #4751: hashlib now releases the GIL when hashing large buffers
2516 (with a hardwired threshold of 2048 bytes), allowing better parallelization
2517 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
2518
Martin v. Löwis5c88d812009-01-02 20:47:48 +00002519- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
2520
Antoine Pitrou31f30b12009-01-02 17:34:35 +00002521- Issue #4738: Each zlib object now has a separate lock, allowing to compress
2522 or decompress several streams at once on multi-CPU systems. Also, the GIL
2523 is now released when computing the CRC of a large buffer. Patch by ebfe.
2524
Georg Brandlb1441c72009-01-03 22:33:39 +00002525- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
2526
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +00002527- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
2528
Mark Dickinsone675f082008-12-11 21:56:00 +00002529- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
2530 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +00002531
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +00002532- Issue #4583: array.array would not always prohibit resizing when a buffer
2533 has been exported, resulting in an interpreter crash when accessing the
2534 buffer.
2535
Martin v. Löwis841edad2008-11-30 10:36:49 +00002536
Jack Diederiche0cbd692009-04-01 04:27:09 +00002537- Issue #5228: Make functools.partial objects can now be pickled.
2538
Guilherme Polo9de29af2009-01-28 20:40:48 +00002539Tests
2540-----
2541
Antoine Pitrou88909542009-06-29 13:54:42 +00002542- Issue #6152: New option '-j'/'--multiprocess' for regrtest allows running
2543 regression tests in parallel, shortening the total runtime.
2544
Guilherme Polo2a998fa2009-06-21 17:40:07 +00002545- Issue #5450: Moved tests involving loading tk from Lib/test/test_tcl to
2546 Lib/tkinter/test/test_tkinter/test_loadtk. With this, these tests demonstrate
2547 the same behaviour as test_ttkguionly (and now also test_tk) which is to
2548 skip the tests if DISPLAY is defined but can't be used.
2549
R. David Murraya21e4ca2009-03-31 23:16:50 +00002550- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +00002551 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +00002552 from test support, which does the conversion.
2553
Guilherme Polo9de29af2009-01-28 20:40:48 +00002554- Issue #5083: New 'gui' resource for regrtest.
2555
2556
Brett Cannon7317c1e2008-11-25 19:19:17 +00002557Docs
2558----
2559
Georg Brandl52b92cc2008-05-25 09:43:03 +00002560
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00002561**(For information about older versions, consult the HISTORY file.)**