blob: 8e1bd4e6c47b435084fbdbb63fed4ef647332ccd [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 Petersonbd35b032009-04-04 23:16:41 +00007What's New in Python 3.1 beta 1?
8================================
9
10*Release date: XXXX-XX-XX*
11
12Core and Builtins
13-----------------
14
Eric Smith6dc46f52009-04-27 20:39:49 +000015- Issue #5793: Rationalize isdigit / isalpha / tolower, etc. Includes
16 new Py_ISDIGIT / Py_ISALPHA / Py_TOLOWER, etc. in pctypes.h.
17
Eric Smithcc32a112009-04-26 21:35:14 +000018- Issue #5835: Deprecate PyOS_ascii_formatd.
19
Martin v. Löwis71efeb72009-04-26 01:02:07 +000020- Issue #4971: Fix titlecase for characters that are their own
21 titlecase, but not their own uppercase.
22
Benjamin Peterson193152c2009-04-25 01:08:45 +000023- Issue #5283: Setting __class__ in __del__ caused a segfault.
24
Mark Dickinsonad476da2009-04-23 19:14:16 +000025- Issue #5816: complex(repr(z)) now recovers z exactly, even when
26 z involves nans, infs or negative zeros.
27
Mark Dickinson4a16e3a2009-04-23 19:15:48 +000028- Issue #3166: Make int -> float conversions correctly rounded.
Mark Dickinsonc6300392009-04-20 21:38:00 +000029
Mark Dickinsone6a076d2009-04-18 11:48:33 +000030- Issue #1869 (and many duplicates): make round(x, n) correctly
31 rounded for a float x, by using the decimal <-> binary conversions
32 from Python/dtoa.c. As a consequence, (e.g.) round(x, 2) now
33 consistently agrees with format(x, '.2f').
34
Benjamin Petersonae937c02009-04-18 20:54:08 +000035- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
36 some builtin types.
37
Eric Smith0923d1d2009-04-16 20:16:10 +000038- Issue #5772: format(1e100, '<') produces '1e+100', not '1.0e+100'.
39
Eric Smith35e84722009-04-16 20:21:28 +000040- Issue #5515: str.format() type 'n' combined with commas and leading
41 zeros no longer gives odd results with ints and floats.
Eric Smith0923d1d2009-04-16 20:16:10 +000042
43- Implement PEP 378, Format Specifier for Thousands Separator, for
44 floats.
45
Mark Dickinson3370cce2009-04-17 22:40:53 +000046- The str function switches to exponential notation at
Mark Dickinsonb08a53a2009-04-16 19:52:09 +000047 1e11, not 1e12. This avoids printing 13 significant digits in
48 situations where only 12 of them are correct. Example problem
49 value: str(1e11 + 0.5). (This minor issue has existed in 2.x for a
50 long time.)
51
Mark Dickinsonb08a53a2009-04-16 19:52:09 +000052- Issue #1580: On most platforms, use a 'short' float repr: for a
53 finite float x, repr(x) now outputs a string based on the shortest
54 sequence of decimal digits that rounds to x. Previous behaviour was
55 to output 17 significant digits and then strip trailing zeros.
Mark Dickinson3370cce2009-04-17 22:40:53 +000056 Another minor difference is that the new repr switches to
57 exponential notation at 1e16 instead of the previous 1e17; this
58 avoids misleading output in some cases.
Mark Dickinsonb08a53a2009-04-16 19:52:09 +000059
60 There's a new sys attribute sys.float_repr_style, which takes
61 the value 'short' to indicate that we're using short float repr,
62 and 'legacy' if the short float repr isn't available for one
63 reason or another.
64
65 The float repr change involves incorporating David Gay's 'perfect
66 rounding' code into the Python core (it's in Python/dtoa.c). As a
67 secondary consequence, all string-to-float and float-to-string
68 conversions (including all float formatting operations) will be
69 correctly rounded on these platforms.
70
71 See issue 1580 discussions for details of platforms for which
72 this change does not apply.
73
Benjamin Peterson2808d3c2009-04-15 21:34:27 +000074- Issue #5759: float() didn't call __float__ on str subclasses.
75
Georg Brandlabc38772009-04-12 15:51:51 +000076- The string.maketrans() function is deprecated; there is a new static method
77 maketrans() on the bytes and bytearray classes. This removes confusion about
78 the types string.maketrans() is supposed to work with, and mirrors the
79 methods available on the str class.
80
R. David Murraydc6da8a2009-04-09 22:16:43 +000081- Issue #2170: refactored xml.dom.minidom.normalize, increasing both
82 its clarity and its speed.
83
Matthias Klose091c7b12009-04-07 13:24:27 +000084- Issue #1113244: Py_XINCREF, Py_DECREF, Py_XDECREF: Add `do { ... } while (0)'
85 to avoid compiler warnings.
86
Benjamin Peterson0b4915e2009-04-25 21:11:45 +000087Installation
88------------
89
90- Issue #5756: Install idle and pydoc with a 3 suffix.
91
Benjamin Petersonbd35b032009-04-04 23:16:41 +000092Library
93-------
94
Antoine Pitrou57f3d932009-04-27 21:04:19 +000095- Issue #5853: calling a function of the mimetypes module from several threads
96 at once could hit the recursion limit if the mimetypes database hadn't been
97 initialized before.
98
Vinay Sajipad5fa2f2009-04-27 13:55:05 +000099- Issue #5854: Updated __all__ to include some missing names and remove some
100 names which should not be exported.
101
Thomas Heller34596a92009-04-24 20:50:00 +0000102- Issue #3102: All global symbols that the _ctypes extension defines
103 are now prefixed with 'Py' or '_ctypes'.
104
105- Issue #5041: ctypes does now allow pickling wide character.
106
Mark Dickinsond4d95f82009-04-24 14:06:19 +0000107- Issue #5812: For the two-argument form of the Fraction constructor,
108 Fraction(m, n), m and n are permitted to be arbitrary Rational
109 instances.
110
Mark Dickinsoncf63f2f2009-04-22 17:50:21 +0000111- Issue #5812: Fraction('1e6') is valid: more generally, any string
112 that's valid for float() is now valid for Fraction(), with the
113 exception of strings representing NaNs and infinities.
114
Antoine Pitroucf4c7492009-04-19 00:09:36 +0000115- Issue #5734: BufferedRWPair was poorly tested and had several glaring
116 bugs. Patch by Brian Quinlan.
117
R. David Murray9e94ddf2009-04-13 17:06:33 +0000118- Issue #1161031: fix readwrite select flag handling: POLLPRI now
119 results in a handle_expt_event call, not handle_read_event, and POLLERR
120 and POLLNVAL now call handle_close, not handle_expt_event. Also,
121 dispatcher now has an 'ignore_log_types' attribute for suppressing
122 log messages, which is set to 'warning' by default.
123
Matthias Klosea3d29e82009-04-07 13:13:10 +0000124- Issue #2703: SimpleXMLRPCDispatcher.__init__: Provide default values for
125 new arguments introduced in 2.5.
126
Walter Dörwald1b08b302009-04-25 14:13:56 +0000127- Issue #5828 (Invalid behavior of unicode.lower): Fixed bogus logic in
128 makeunicodedata.py and regenerated the Unicode database (This fixes
129 u'\u1d79'.lower() == '\x00').
130
Matthias Klose535336f2009-04-07 13:49:45 +0000131Extension Modules
132-----------------
133
Mark Dickinsonea835e72009-04-19 20:40:33 +0000134- Issue #5463: In struct module, remove deprecated float coercion
135 for integer type codes: struct.pack('L', 0.3) should now raise
136 an error. The _PY_STRUCT_FLOAT_COERCE constant has been removed.
137 The version number has been bumped to 0.3.
138
Matthias Klose535336f2009-04-07 13:49:45 +0000139- Issue #5359: Readd the Berkley-DB detection code to allow _dbm be built
140 using Berkley-DB.
141
Nick Coghlan47384702009-04-22 16:13:36 +0000142Tests
143-----
144
145- Issue #5354: New test support function import_fresh_module() makes
146 it easy to import both normal and optimised versions of modules.
147 test_heapq and test_warnings have been adjusted to use it, tests for
148 other modules with both C and Python implementations in the stdlib
149 can be adjusted to use it over time.
150
Walter Dörwald4ba80132009-04-25 12:48:43 +0000151- Issue #5837: Certain sequences of calls to set() and unset() for
152 support.EnvironmentVarGuard objects restored the environment variables
153 incorrectly on __exit__.
154
Benjamin Petersonbd35b032009-04-04 23:16:41 +0000155
Benjamin Petersond1735892009-03-07 18:46:21 +0000156What's New in Python 3.1 alpha 2?
157=================================
158
Benjamin Peterson88f14352009-04-04 21:06:52 +0000159*Release date: 2009-4-4*
Benjamin Petersond1735892009-03-07 18:46:21 +0000160
161Core and Builtins
162-----------------
Benjamin Petersone099b372009-04-04 17:09:35 +0000163
Eric Smith1e1d7d22009-04-03 22:25:33 +0000164- Implement PEP 378, Format Specifier for Thousands Separator, for
165 integers.
Benjamin Petersond1735892009-03-07 18:46:21 +0000166
Benjamin Peterson8f76b492009-04-03 22:22:42 +0000167- Issue #5666: Py_BuildValue's 'c' code should create byte strings.
168
Benjamin Peterson7fe98532009-04-02 00:33:55 +0000169- Issue #5499: The 'c' code for argument parsing functions now only accepts a
170 byte, and the 'C' code only accepts a unicode character.
171
Georg Brandl406b3d82009-04-11 21:24:37 +0000172- Fix a problem in PyErr_NormalizeException that leads to "undetected errors"
173 when hitting the recursion limit under certain circumstances.
174
Brett Cannon0759dd62009-04-01 18:13:07 +0000175- Issue #1665206: Remove the last eager import in _warnings.c and make it lazy.
176
Georg Brandlab6f2f62009-03-31 04:16:10 +0000177- Fix a segfault when running test_exceptions with coverage, caused by
178 insufficient checks in accessors of Exception.__context__.
179
Guido van Rossum0ad59d42009-03-30 22:01:35 +0000180- Issue #5604: non-ASCII characters in module name passed to
181 imp.find_module() were converted to UTF-8 while the path is
182 converted to the default filesystem encoding, causing nonsense.
183
Benjamin Peterson09832742009-03-26 17:15:46 +0000184- Issue #5126: str.isprintable() returned False for space characters.
185
Ronald Oussorenfa1fcd12009-03-30 23:16:10 +0000186- Issue #4865: On MacOSX /Library/Python/2.7/site-packages is added to
187 the end sys.path, for compatibility with the system install of Python.
188
Antoine Pitrou3a652b12009-03-23 18:52:06 +0000189- Issue #4688: Add a heuristic so that tuples and dicts containing only
190 untrackable objects are not tracked by the garbage collector. This can
191 reduce the size of collections and therefore the garbage collection overhead
192 on long-running programs, depending on their particular use of datatypes.
193
Mark Dickinson17e4fdd2009-03-23 18:44:57 +0000194- Issue #5512: Rewrite PyLong long division algorithm (x_divrem) to
195 improve its performance. Long divisions and remainder operations
196 are now between 50% and 150% faster.
197
Mark Dickinsonbd792642009-03-18 20:06:12 +0000198- Issue #4258: Make it possible to use base 2**30 instead of base
199 2**15 for the internal representation of integers, for performance
200 reasons. Base 2**30 is enabled by default on 64-bit machines. Add
201 --enable-big-digits option to configure, which overrides the
202 default. Add sys.int_info structseq to provide information about
203 the internal format.
204
Mark Dickinson081dfee2009-03-18 14:47:41 +0000205- Issue #4474: PyUnicode_FromWideChar now converts characters outside
206 the BMP to surrogate pairs, on systems with sizeof(wchar_t) == 4
207 and sizeof(Py_UNICODE) == 2.
208
Eric Smith8ec90442009-03-14 12:29:34 +0000209- Issue #5237: Allow auto-numbered fields in str.format(). For
210 example: '{} {}'.format(1, 2) == '1 2'.
211
Antoine Pitrou652e7072009-03-13 19:25:20 +0000212- Issue #5392: when a very low recursion limit was set, the interpreter would
213 abort with a fatal error after the recursion limit was hit twice.
214
Matthias Klose042f1332009-04-04 14:32:42 +0000215- Issue #3845: In PyRun_SimpleFileExFlags avoid invalid memory access with
216 short file names.
217
Benjamin Petersond1735892009-03-07 18:46:21 +0000218Library
219-------
220
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000221- Issue #2625: added missing items() call to the for loop in
R. David Murray548ac412009-04-02 19:44:43 +0000222 mailbox.MH.get_message().
223
Hye-Shik Chang944820b2009-04-02 10:33:16 +0000224- Issue #5640: Fix _multibytecodec so that CJK codecs don't repeat
225 error substitutions from non-strict codec error callbacks in
226 incrementalencoder and StreamWriter.
227
Georg Brandl33c28812009-04-01 23:07:29 +0000228- Issue #5656: Fix the coverage reporting when running the test suite with
229 the -T argument.
230
Raymond Hettinger3f10a952009-04-01 19:05:50 +0000231- Issue #5647: MutableSet.__iand__() no longer mutates self during iteration.
232
Georg Brandl4ed72ac2009-04-01 04:28:33 +0000233- Issue #5624: Fix the _winreg module name still used in several modules.
234
Benjamin Petersona1b49012009-03-31 23:11:32 +0000235- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
236
Jesse Nollera9314042009-03-31 22:36:44 +0000237- Issue #5619: Multiprocessing children disobey the debug flag and causes
238 popups on windows buildbots. Patch applied to work around this issue.
239
Jesse Noller32d68c22009-03-31 18:48:42 +0000240- Issue #5400: Added patch for multiprocessing on netbsd compilation/support
241
Hirokazu Yamamoto16caab02009-03-31 13:44:06 +0000242- Issue #5387: Fixed mmap.move crash by integer overflow.
243
Jesse Nollerf8d00852009-03-31 03:25:07 +0000244- Issue #5261: Patch multiprocessing's semaphore.c to support context
245 manager use: "with multiprocessing.Lock()" works now.
246
Brett Cannon7f6b4f82009-03-30 21:30:26 +0000247- Issue #5236: Change time.strptime() to only take strings. Didn't work with
248 bytes already but the failure was non-obvious.
249
Jesse Noller7af4ef82009-03-30 16:47:15 +0000250- Issue #5177: Multiprocessing's SocketListener class now uses
251 socket.SO_REUSEADDR on all connections so that the user no longer needs
252 to wait 120 seconds for the socket to expire.
253
Benjamin Peterson48e24782009-03-29 13:02:52 +0000254- Issue #5595: Fix UnboundedLocalError in ntpath.ismount().
255
Antoine Pitrou66994e12009-03-29 00:45:26 +0000256- Issue #1174606: Calling read() without arguments of an unbounded file
257 (typically /dev/zero under Unix) could crash the interpreter.
258
Benjamin Peterson59406a92009-03-26 17:10:29 +0000259- The max_buffer_size arguments of io.BufferedWriter, io.BufferedRWPair, and
260 io.BufferedRandom have been deprecated for removal in Python 3.2.
261
Lars Gustäbel42e00912009-03-22 20:34:29 +0000262- Issue #5068: Fixed the tarfile._BZ2Proxy.read() method that would loop
263 forever on incomplete input. That caused tarfile.open() to hang when used
264 with mode 'r' or 'r:bz2' and a fileobj argument that contained no data or
265 partial bzip2 compressed data.
266
Mark Dickinson79f52032009-03-17 23:12:51 +0000267- Issue #2110: Add support for thousands separator and 'n' type
268 specifier to Decimal.__format__
269
Mark Dickinson9c59fe02009-03-17 18:15:08 +0000270- Fix Decimal.__format__ bug that swapped the meanings of the '<' and
271 '>' alignment characters.
272
Antoine Pitrou0ae29cf2009-03-13 22:33:17 +0000273- The error detection code in FileIO.close() could fail to reflect the `errno`
274 value, and report it as -1 instead.
275
Antoine Pitroua28fcfd2009-03-13 23:42:55 +0000276- Issue #5016: FileIO.seekable() could return False if the file position
277 was negative when truncated to a C int. Patch by Victor Stinner.
278
Mark Dickinsonae681df2009-03-21 10:26:31 +0000279Extension Modules
280-----------------
281
Benjamin Petersone099b372009-04-04 17:09:35 +0000282- Issue #5391: mmap now deals exclusively with bytes.
283
Mark Dickinsonae681df2009-03-21 10:26:31 +0000284- Issue #5463: In struct module, remove deprecated overflow wrapping
285 when packing an integer: struct.pack('=L', -1) now raises
Mark Dickinsonb40b9472009-03-29 16:58:21 +0000286 struct.error instead of returning b'\xff\xff\xff\xff'. The
287 _PY_STRUCT_RANGE_CHECKING and _PY_STRUCT_OVERFLOW_MASKING constants
288 have been removed from the struct module.
Mark Dickinsonae681df2009-03-21 10:26:31 +0000289
Benjamin Petersond1735892009-03-07 18:46:21 +0000290
Benjamin Petersona58a6262009-03-07 16:34:40 +0000291What's New in Python 3.1 alpha 1
Barry Warsaw97f005d2008-12-03 16:46:14 +0000292================================
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000293
Benjamin Petersona58a6262009-03-07 16:34:40 +0000294*Release date: 2009-03-07*
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000295
296Core and Builtins
297-----------------
298
Benjamin Peterson4fa88fa2009-03-04 00:14:51 +0000299- The io module has been reimplemented in C for speed.
300
Raymond Hettingerb0d56af2009-03-03 10:52:49 +0000301- Give dict views an informative __repr__.
302
Eric Smith5e5c0db2009-02-20 14:25:03 +0000303- Issue #5247: Improve error message when unknown format codes are
304 used when using str.format() with str, int, and float arguments.
305
Hirokazu Yamamoto575d1332009-02-16 09:13:20 +0000306- Issue #5249: time.strftime returned malformed string when format string
307 contained non ascii character on windows.
308
Benjamin Petersonf5b52242009-03-02 23:31:26 +0000309- Issue #4626: compile(), exec(), and eval() ignore the coding cookie if the
310 source has already been decoded into str.
311
Antoine Pitrou79eee6b2009-02-13 14:01:05 +0000312- Issue #5186: Reduce hash collisions for objects with no __hash__ method by
313 rotating the object pointer by 4 bits to the right.
314
Mark Dickinson87ec0852009-02-09 17:15:59 +0000315- Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs:
316 it now forces its argument to double before testing for infinity.
317
Benjamin Petersonee1ae7c2009-02-08 21:07:20 +0000318- Issue #5137: Make len() correctly raise a TypeError when a __len__ method
319 returns a non-number type.
320
Benjamin Peterson87618552009-02-08 15:00:52 +0000321- Issue #5182: Removed memoryview.__str__.
322
Mark Dickinsonc008a172009-02-01 13:59:22 +0000323- Issue #1717: Removed builtin cmp() function, dropped tp_compare
324 slot, the C API functions PyObject_Compare and PyUnicode_Compare and
Mark Dickinsone94c6792009-02-02 20:36:42 +0000325 the type definition cmpfunc. The tp_compare slot has been renamed
326 to tp_reserved, and is reserved for future usage.
Mark Dickinsonf02e0aa2009-02-01 12:13:56 +0000327
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000328- Issue #1242657: the __len__() and __length_hint__() calls in several tools
Raymond Hettingere8364232009-02-02 22:55:09 +0000329 were suppressing all exceptions. These include list() and bytearray().
330
Mark Dickinson1124e712009-01-28 21:25:58 +0000331- Issue #4707: round(x, n) now returns an integer if x is an integer.
332 Previously it returned a float.
333
Antoine Pitroub52ec782009-01-25 16:34:23 +0000334- Issue #4753: By enabling a configure option named '--with-computed-gotos'
335 on compilers that support it (notably: gcc, SunPro, icc), the bytecode
336 evaluation loop is compiled with a new dispatch mechanism which gives
337 speedups of up to 20%, depending on the system, on various benchmarks.
338
Antoine Pitrou81fabdb2009-01-22 10:11:36 +0000339- Issue #4874: Most builtin decoders now reject unicode input.
340
Mark Dickinson9ffc0202009-01-20 20:45:53 +0000341- Issue #4842: Don't allow trailing 'L' when constructing an integer
342 from a string.
343
Benjamin Peterson05e782f2009-01-19 15:15:02 +0000344- Issue #4991: os.fdopen now raises an OSError for invalid file descriptors.
345
Antoine Pitroue4bc7f62009-01-17 21:06:43 +0000346- Issue #4838: When a module is deallocated, free the memory backing the
347 optional module state data.
348
Mark Dickinson8055afd2009-01-17 10:04:45 +0000349- Issue #4910: Rename nb_long slot to nb_reserved, and change its
350 type to (void *).
351
Antoine Pitrou8d4e5052009-01-13 22:59:11 +0000352- Issue #4935: The overflow checking code in the expandtabs() method common
353 to str, bytes and bytearray could be optimized away by the compiler, letting
354 the interpreter segfault instead of raising an error.
355
Amaury Forgeot d'Arcf343e012009-01-12 23:58:21 +0000356- Issue #3720: Fix a crash when an iterator modifies its class and removes its
357 __next__ method.
358
Mark Dickinsone5e298f2009-01-12 20:49:19 +0000359- Issue #4910: Builtin int() function and PyNumber_Long/PyNumber_Int API
360 function no longer attempt to call the __long__ slot to convert an object
361 to an integer. Only the __int__ and __trunc__ slots are examined.
362
Martin v. Löwis7c2b66c2009-01-12 08:21:03 +0000363- Issue #4893: Use NT threading on CE.
364
Martin v. Löwisec59d042009-01-12 07:59:10 +0000365- Issue #4915: Port sysmodule to Windows CE.
366
Antoine Pitrouab868312009-01-10 15:40:25 +0000367- Issue #4868: utf-8, utf-16 and latin1 decoding are now 2x to 4x faster. The
368 common cases are optimized thanks to a dedicated fast path and a moderate
369 amount of loop unrolling.
370
Antoine Pitrou14b78f52009-01-09 22:27:08 +0000371- Issue #4074: Change the criteria for doing a full garbage collection (i.e.
372 collecting the oldest generation) so that allocating lots of objects without
373 destroying them does not show quadratic performance. Based on a proposal by
374 Martin von Löwis at
375 http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
376
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000377- Issue #4604: Some objects of the I/O library could still be used after
Antoine Pitrou8043cf82009-01-09 19:54:29 +0000378 having been closed (for instance, a read() call could return some
379 previously buffered data). Patch by Dmitry Vasiliev.
380
Antoine Pitrou05608432009-01-09 18:53:14 +0000381- Issue #4705: Fix the -u ("unbuffered binary stdout and stderr") command-line
382 flag to work properly. Furthermore, when specifying -u, the text stdout
383 and stderr streams have line-by-line buffering enabled (the default being
384 to buffer arbitrary chunks of data).
385
Raymond Hettinger35631532009-01-09 03:58:09 +0000386- The internal table, _PyLong_DigitValue, is now an array of unsigned chars
387 instead of ints (reducing its size from 4 to 8 times thereby reducing
388 Python's overall memory).
389
Antoine Pitroud35cbf62009-01-06 19:02:24 +0000390- Issue #1180193: When importing a module from a .pyc (or .pyo) file with
391 an existing .py counterpart, override the co_filename attributes of all
392 code objects if the original filename is obsolete (which can happen if the
393 file has been renamed, moved, or if it is accessed through different paths).
394 Patch by Ziga Seilnacht and Jean-Paul Calderone.
395
Antoine Pitrouc3b39242009-01-03 16:59:18 +0000396- Issue #4580: Fix slicing of memoryviews when the item size is greater than
397 one byte. Also fixes the meaning of len() so that it returns the number of
398 items, rather than the size in bytes.
399
Martin v. Löwis5c88d812009-01-02 20:47:48 +0000400- Issue #4075: Use OutputDebugStringW in Py_FatalError.
401
Amaury Forgeot d'Arc374e2202009-01-01 23:05:36 +0000402- Issue #4747: When the terminal does not use utf-8, executing a script with
403 non-ascii characters in its name could fail with a "SyntaxError: None" error.
404
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +0000405- Issue #4797: IOError.filename was not set when _fileio.FileIO failed to open
Hirokazu Yamamoto8ed9a802009-01-01 16:09:52 +0000406 file with `bytes' filename on Windows.
Hirokazu Yamamoto0f22d692009-01-01 16:03:45 +0000407
Antoine Pitrou7ddda782009-01-01 15:35:33 +0000408- Issue #3680: Reference cycles created through a dict, set or deque iterator
409 did not get collected.
410
Nick Coghlanf1f2f682008-12-30 07:29:12 +0000411- Issue #4701: PyObject_Hash now implicitly calls PyType_Ready on types
412 where the tp_hash and tp_dict slots are both NULL.
413
Georg Brandlccc47b62008-12-28 11:44:14 +0000414- Issue #4759: None is now allowed as the first argument of
415 bytearray.translate(). It was always allowed for bytes.translate().
416
Skip Montanaro80072cb2008-12-23 03:51:14 +0000417- Added test case to ensure attempts to read from a file opened for writing
418 fail.
419
Antoine Pitrou51f3ef92008-12-20 13:14:23 +0000420- Issue #3106: Speedup some comparisons (str/str and int/int).
421
Antoine Pitrouf289ae62008-12-18 11:06:25 +0000422- Issue #2183: Simplify and optimize bytecode for list, dict and set
423 comprehensions. Original patch for list comprehensions by Neal Norwitz.
424
Antoine Pitrou621601a2008-12-17 23:18:19 +0000425- Issue #2467: gc.DEBUG_STATS reported invalid elapsed times. Also, always
426 print elapsed times, not only when some objects are uncollectable /
427 unreachable. Original patch by Neil Schemenauer.
428
Mark Dickinson54bc1ec2008-12-17 16:19:07 +0000429- Issue #3439: Add a bit_length method to int.
430
Mark Dickinsonda2706b2008-12-11 18:03:03 +0000431- Issue #2173: When getting device encoding, check that return value of
432 nl_langinfo is not the empty string. This was causing silent build
433 failures on OS X.
434
Jeffrey Yasskinb9083f32008-12-11 06:18:33 +0000435- Issue #4597: Fixed several opcodes that weren't always propagating
436 exceptions.
437
438- Issue #4589: Fixed exception handling when the __exit__ function of a
Amaury Forgeot d'Arc10b24e82008-12-10 23:49:33 +0000439 context manager returns a value that cannot be converted to a bool.
440
Mark Dickinsonfd24b322008-12-06 15:33:31 +0000441- Issue #4445: Replace "sizeof(PyBytesObject)" with
442 "offsetof(PyBytesObject, ob_sval) + 1" when allocating memory for
443 bytes instances. On a typical machine this saves 3 bytes of memory
444 (on average) per allocation of a bytes instance.
445
Christian Heimesa872de52008-12-05 08:26:55 +0000446- Issue #4533: File read operation was dreadfully slow due to a slowly
447 growing read buffer. Fixed by using the same growth rate algorithm as
448 Python 2.x.
449
Antoine Pitrou5504e892008-12-06 21:27:53 +0000450- Issue #4509: Various issues surrounding resize of bytearray objects to
451 which there are buffer exports (e.g. memoryview instances).
452
Georg Brandlf9734072008-12-07 15:30:06 +0000453- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()``
454 method on file objects with closefd=False. The file descriptor is still
455 kept open but the file object behaves like a closed file. The ``FileIO``
456 object also got a new readonly attribute ``closefd``.
Matthias Klose7e1b8fa2008-11-26 17:22:04 +0000457
Antoine Pitroubc420402008-12-07 20:14:49 +0000458- Issue #4569: Interpreter crash when mutating a memoryview with an item size
459 larger than 1.
460
Benjamin Peterson371ccfb2008-12-27 19:03:36 +0000461- Issue #4748: Lambda generators no longer return a value.
462
Gregory P. Smithccc5ae72009-03-02 05:21:55 +0000463- The re.sub(), re.subn() and re.split() functions now accept a flags parameter.
464
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000465Library
466-------
Tarek Ziadé38e3d512009-02-27 12:58:56 +0000467
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000468- Issue #5810: Fixed Distutils test_build_scripts so it uses
Tarek Ziadé939f9c82009-04-25 12:53:56 +0000469 sysconfig.get_config_vars.
470
Tarek Ziadé23336082009-04-25 12:39:56 +0000471- Issue #4951: Fixed failure in test_httpservers.
472
Thomas Hellerd3cfe992009-04-24 20:10:24 +0000473- Issue #5795: Fixed test_distutils failure on Debian ppc.
474
Tarek Ziadé822e1d42009-04-13 12:37:57 +0000475- Issue #5607: fixed Distutils test_get_platform for Mac OS X fat binaries.
476
Georg Brandl1f9fa312009-04-27 16:42:58 +0000477- Issue #5741: don't disallow "%%" (which is an escape for "%") when setting
478 a value in SafeConfigParser.
479
Tarek Ziadéf396ecf2009-04-11 15:00:43 +0000480- Issue #5732: added a new command in Distutils: check.
481
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000482- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows
Tarek Ziadéa6191802009-04-09 22:02:39 +0000483 platforms. Initial patch by Paul Moore.
484
Tarek Ziadéf6370502009-04-05 22:57:21 +0000485- Issue #5095: Added bdist_msi to the list of bdist supported formats.
486 Initial fix by Steven Bethard.
487
Tarek Ziadé889b0aa2009-04-05 21:49:36 +0000488- Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
489 Initial fix by Wayne Davison.
490
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000491- Issue #5694: removed spurious test output in Distutils (test_clean).
Tarek Ziadéea261632009-04-05 18:33:34 +0000492
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000493- Issue #1326077: fix the formatting of SyntaxErrors by the traceback module.
Georg Brandl236f7972009-04-05 14:28:42 +0000494
Brett Cannonf47e84c2009-04-01 16:06:01 +0000495- Issue #1665206 (partially): Move imports in cgitb to the top of the module
496 instead of performing them in functions. Helps prevent import deadlocking in
497 threads.
498
R. David Murraye59482e2009-04-01 03:42:00 +0000499- Issue #2522: locale.format now checks its first argument to ensure it has
500 been passed only one pattern, avoiding mysterious errors where it appeared
501 that it was failing to do localization.
502
Tarek Ziadéb2e36f12009-03-31 22:37:55 +0000503- Issue #5583: Added optional Extensions in Distutils. Initial patch by Georg
504 Brandl.
505
Antoine Pitrou350370c2009-03-14 00:13:13 +0000506- Issue #1222: locale.format() bug when the thousands separator is a space
507 character.
508
Tarek Ziadé516db942009-03-11 12:52:00 +0000509- Issue #5472: Fixed distutils.test_util tear down. Original patch by
510 Tim Golden.
511
Raymond Hettinger5bb0f0e2009-03-10 12:56:32 +0000512- collections.deque() objects now have a read-only attribute called maxlen.
513
Guilherme Polof45b4cc2009-03-07 02:19:14 +0000514- Issue #2638: Show a window constructed with tkSimpleDialog.Dialog only after
515 it is has been populated and properly configured in order to prevent
516 window flashing.
517
Guilherme Polo56f5be52009-03-07 01:54:57 +0000518- Issue #4792: Prevent a segfault in _tkinter by using the
519 guaranteed to be safe interp argument given to the PythonCmd in place of
520 the Tcl interpreter taken from a PythonCmd_ClientData.
521
522- Issue #5193: Guarantee that tkinter.Text.search returns a string.
523
Tarek Ziadé63b64c02009-03-07 00:51:53 +0000524- Issue #5394: removed > 2.3 syntax from distutils.msvc9compiler.
525 Original patch by Akira Kitada.
526
Hirokazu Yamamoto54d0df62009-03-06 03:04:07 +0000527- Issue #5334: array.fromfile() failed to insert values when EOFError was raised.
528
Hirokazu Yamamoto8e722bc2009-03-05 14:33:01 +0000529- Issue #5385: Fixed mmap crash after resize failure on windows.
530
Hirokazu Yamamoto0c988172009-03-03 22:41:26 +0000531- Issue #5179: Fixed subprocess handle leak on failure on windows.
532
Raymond Hettinger2d32f632009-03-02 21:24:57 +0000533- PEP 372: Added collections.OrderedDict().
534
Raymond Hettingera4f52b12009-03-02 22:28:31 +0000535- The _asdict() for method for namedtuples now returns an OrderedDict().
536
Raymond Hettinger0663a1e2009-03-02 23:06:00 +0000537- configparser now defaults to using an ordered dictionary.
538
Benjamin Petersone0124bd2009-03-09 21:04:33 +0000539- Issue #5401: Fixed a performance problem in mimetypes when ``from mimetypes
540 import guess_extension`` was used.
541
Hirokazu Yamamoto10c99372009-02-28 12:21:53 +0000542- Issue #1733986: Fixed mmap crash in accessing elements of second map object
543 with same tagname but larger size than first map. (Windows)
544
Hirokazu Yamamoto39c6dea2009-02-28 10:56:50 +0000545- Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer
546 overrun.
547
Tarek Ziadéf0721222009-02-28 10:16:43 +0000548- Issue #1533164: Installed but not listed *.pyo was breaking Distutils
549 bdist_rpm command.
550
551- Issue #5378: added --quiet option to Distutils bdist_rpm command.
552
Tarek Ziadé38e3d512009-02-27 12:58:56 +0000553- Issue #5052: make Distutils compatible with 2.3 again.
554
Tarek Ziadé0f31e6d2009-02-25 22:31:38 +0000555- Issue #5316: Fixed buildbot failures introduced by multiple inheritance
556 in Distutils tests.
Barry Warsawd8ccd1c2008-11-21 15:13:37 +0000557
Vinay Sajipb672b6d2009-02-19 12:36:11 +0000558- Issue #5287: Add exception handling around findCaller() call to help out
559 IronPython.
560
Hirokazu Yamamoto0654ccd2009-02-18 16:38:00 +0000561- Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0,
562 The file was resized to wrong size.
563
564- Issue #5292: Fixed mmap crash on its boundary access m[len(m)].
565
Vinay Sajipb672b6d2009-02-19 12:36:11 +0000566- Issue #2279: distutils.sdist.add_defaults now add files
Tarek Ziadé0d0506e2009-02-16 21:49:12 +0000567 from the package_data and the data_files metadata.
568
Vinay Sajipb672b6d2009-02-19 12:36:11 +0000569- Issue #5257: refactored all tests in distutils, so they use
Tarek Ziadéc1375d52009-02-14 14:35:51 +0000570 support.TempdirManager, to avoid writing in the tests directory.
571
Tarek Ziadé68c50952009-02-13 23:04:17 +0000572- Issue #4524: distutils build_script command failed with --with-suffix=3.
573 Initial patch by Amaury Forgeot d'Arc.
574
Tarek Ziadé811d6242009-02-13 22:26:15 +0000575- Issue #2461: added tests for distutils.util
576
Mark Dickinsonc28ad272009-02-12 17:58:36 +0000577- Issue #4998: The memory saving effect of __slots__ had been lost on Fractions
578 which inherited from numbers.py which did not have __slots__ defined. The
579 numbers hierarchy now has its own __slots__ declarations.
580
Antoine Pitroub353c122009-02-11 00:39:14 +0000581- Issue #4631: Fix urlopen() result when an HTTP response uses chunked
582 encoding.
583
Thomas Heller465c8022009-02-10 18:59:04 +0000584- Issue #5203: Fixed ctypes segfaults when passing a unicode string to a
585 function without argtypes (only occurs if HAVE_USABLE_WCHAR_T is false).
586
Tarek Ziadé7d5e9872009-02-10 12:36:33 +0000587- Issue #3386: distutils.sysconfig.get_python_lib prefix argument was ignored
588 under NT and OS2. Patch by Philip Jenvey.
589
Brett Cannonbefb14f2009-02-10 02:10:16 +0000590- Issue #5128: Make compileall properly inspect bytecode to determine if needs
591 to be recreated. This avoids a timing hole thanks to the old reliance on the
592 ctime of the files involved.
593
Guilherme Polob681df42009-02-09 22:33:59 +0000594- Issue #5122: Synchronize tk load failure check to prevent a potential
595 deadlock.
596
Benjamin Petersona86f2c02009-02-10 02:41:10 +0000597- Issue #1818: collections.namedtuple() now supports a keyword argument
598 'rename' which lets invalid fieldnames be automatically converted to
599 positional names in the form, _1, _2, ...
600
Guilherme Poloae098992009-02-09 16:44:24 +0000601- Issue #4890: Handle empty text search pattern in Tkinter.Text.search.
602
Nick Coghlan9a1d6e32009-02-08 03:37:27 +0000603- Issue #4512 (part 2): Promote ``ZipImporter._get_filename()`` to be a
604 public documented method ``ZipImporter.get_filename()``.
605
Nick Coghlan3f48ae32009-02-08 01:58:26 +0000606- Issue #4195: The ``runpy`` module (and the ``-m`` switch) now support
607 the execution of packages by looking for and executing a ``__main__``
608 submodule when a package name is supplied. Initial patch by Andi
609 Vajda.
610
Guilherme Polo491aee22009-02-06 23:16:11 +0000611- Issue #1731706: Call Tcl_ConditionFinalize for Tcl_Conditions that will
612 not be used again (this requires Tcl/Tk 8.3.1), also fix a memory leak in
613 Tkapp_Call when calling from a thread different than the one that created
614 the Tcl interpreter. Patch by Robert Hancock.
615
Eric Smith0e5b5622009-02-06 01:32:42 +0000616- Issue #4285: Change sys.version_info to be a named tuple. Patch by
617 Ross Light.
618
Vinay Sajipb672b6d2009-02-19 12:36:11 +0000619- Issue #1520877: Now distutils.sysconfig reads $AR from the
Tarek Ziadéd3409de2009-02-06 01:18:36 +0000620 environment/Makefile. Patch by Douglas Greiman.
621
Tarek Ziadé70a74eb2009-02-06 00:38:35 +0000622- Issue #1276768: The verbose option was not used in the code of
623 distutils.file_util and distutils.dir_util.
624
Vinay Sajipb672b6d2009-02-19 12:36:11 +0000625- Issue #5132: Fixed trouble building extensions under Solaris with
Tarek Ziadé5874ef12009-02-05 22:56:14 +0000626 --enabled-shared activated. Initial patch by Dave Peterson.
627
Guilherme Polo7f423952009-02-02 21:17:09 +0000628- Issue #1581476: Always use the Tcl global namespace when calling into Tcl.
629
Raymond Hettinger85602262009-02-03 04:19:10 +0000630- The shelve module now defaults to pickle protocol 3.
631
Brett Cannone61426e2009-01-30 01:31:34 +0000632- Fix a bug in the trace module where a bytes object from co_lnotab had its
633 items being passed through ord().
634
Antoine Pitrou0dcc3cd2009-01-29 20:26:59 +0000635- Issue #2047: shutil.move() could believe that its destination path was
636 inside its source path if it began with the same letters (e.g. "src" vs.
637 "src.new").
638
Guilherme Polo5f238482009-01-28 14:41:10 +0000639- Added the ttk module. See issue #2983: Ttk support for Tkinter.
640
Raymond Hettinger89e12962009-01-26 02:09:03 +0000641- Removed isSequenceType(), isMappingType, and isNumberType() from the
642 operator module; use the abstract base classes instead. Also removed
643 the repeat() function; use mul() instead.
644
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000645- Issue #5021: doctest.testfile() did not create __name__ and
Raymond Hettinger0f055172009-01-27 10:06:09 +0000646 collections.namedtuple() relied on __name__ being defined.
647
648- Backport importlib from Python 3.1. Only the import_module() function has
649 been backported to help facilitate transitions from 2.7 to 3.1.
650
Tarek Ziadé0302cf52009-01-26 17:23:20 +0000651- Issue #1885: distutils. When running sdist with --formats=tar,gztar
652 the tar file was overriden by the gztar one.
653
Tarek Ziadé4d4456f2009-01-25 18:27:45 +0000654- Issue #4863: distutils.mwerkscompiler has been removed.
655
Raymond Hettingerd07d9392009-01-27 04:20:44 +0000656- Added a new itertools functions: combinations_with_replacement()
657 and compress().
Raymond Hettinger6b3b0fc2009-01-26 02:56:58 +0000658
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000659- Issue #5032: added a step argument to itertools.count() and
Raymond Hettinger30729212009-02-12 06:28:27 +0000660 allowed non-integer arguments.
661
Jesse Noller41faa542009-01-25 03:45:53 +0000662- Fix and properly document the multiprocessing module's logging
663 support, expose the internal levels and provide proper usage
664 examples.
665
Mark Dickinsoncddcf442009-01-24 21:46:33 +0000666- Issue #1672332: fix unpickling of subnormal floats, which was
667 producing a ValueError on some platforms.
668
Martin v. Löwisacbf4612009-01-24 16:19:45 +0000669- Issue #3881: Help Tcl to load even when started through the
670 unreadable local symlink to "Program Files" on Vista.
671
Martin v. Löwis59e47792009-01-24 14:10:07 +0000672- Issue #4710: Extract directories properly in the zipfile module;
673 allow adding directories to a zipfile.
674
Vinay Sajipb672b6d2009-02-19 12:36:11 +0000675- Issue #3807: _multiprocessing build fails when configure is passed
Jesse Noller6fd47e22009-01-23 14:09:08 +0000676 --without-threads argument. When this occurs, _multiprocessing will
677 be disabled, and not compiled.
678
Antoine Pitrou08838b62009-01-21 00:55:13 +0000679- Issue #5008: When a file is opened in append mode with the new IO library,
680 do an explicit seek to the end of file (so that e.g. tell() returns the
681 file size rather than 0). This is consistent with the behaviour of the
682 traditional 2.x file object.
683
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000684- Issue #5013: Fixed a bug in FileHandler which occurred when the delay
685 parameter was set.
686
Mark Dickinson8dd05142009-01-20 20:43:58 +0000687- Issue #4842: Always append a trailing 'L' when pickling longs using
688 pickle protocol 0. When reading, the 'L' is optional.
689
Brett Cannonafccd632009-01-20 02:21:27 +0000690- Add the importlib package.
691
Jesse Noller9a0fc972009-01-18 21:12:58 +0000692- Issue #4301: Patch the logging module to add processName support, remove
693 _check_logger_class from multiprocessing.
694
Jesse Noller1cbb17a2009-01-18 19:45:18 +0000695- Issue #3325: Remove python2.x try: except: imports for old cPickle from
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000696 multiprocessing.
Jesse Nollerf70a5382009-01-18 19:44:02 +0000697
Benjamin Peterson9953a8d2009-01-17 04:15:01 +0000698- Issue #4959: inspect.formatargspec now works for keyword only arguments
699 without defaults.
700
Jesse Noller6214edd2009-01-19 16:23:53 +0000701- Issue #3321: _multiprocessing.Connection() doesn't check handle; added checks
702 for *nix machines for negative handles and large int handles. Without this check
703 it is possible to segfault the interpreter.
704
Jesse Nollerb0516a62009-01-18 03:11:38 +0000705- Issue #4449: AssertionError in mp_benchmarks.py, caused by an underlying issue
706 in sharedctypes.py.
707
708- Issue #1225107: inspect.isclass() returned True for instances with a custom
709 __getattr__.
710
Gregory P. Smithde3369f2009-01-12 04:50:11 +0000711- Issue #3826 and #4791: The socket module now closes the underlying socket
712 appropriately when it is being used via socket.makefile() objects
713 rather than delaying the close by waiting for garbage collection to do it.
714
Raymond Hettingerb8baf632009-01-14 02:20:07 +0000715- Issue #1696199: Add collections.Counter() for rapid and convenient
716 counting.
717
Antoine Pitrou308705e2009-01-10 16:22:51 +0000718- Issue #3860: GzipFile and BZ2File now support the context manager protocol.
719
Thomas Heller5e4e4272009-01-08 09:34:20 +0000720- Issue #4867: Fixed a crash in ctypes when passing a string to a
721 function without defining argtypes.
722
Antoine Pitrou42db3ef2009-01-04 21:37:59 +0000723- Issue #4272: Add an optional argument to the GzipFile constructor to override
724 the timestamp in the gzip stream. The default value remains the current time.
725 The information can be used by e.g. gunzip when decompressing. Patch by
726 Jacques Frechet.
727
Mark Dickinson315a20a2009-01-04 21:34:18 +0000728- Restore Python 2.3 compatibility for decimal.py.
729
Guilherme Polo3f5f8222009-01-03 22:00:39 +0000730- Issue #3638: Remove functions from _tkinter module level that depend on
731 TkappObject to work with multiple threads.
732
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000733- Issue #4718: Adapt the wsgiref package so that it actually works with
734 Python 3.x, in accordance with the `official amendments of the spec
Antoine Pitrou38a66ad2009-01-03 18:41:49 +0000735 <http://www.wsgi.org/wsgi/Amendments_1.0>`_.
736
Raymond Hettinger771ed762009-01-03 19:20:32 +0000737- Issue #4796: Added Decimal.from_float() and Context.create_decimal_from_float()
738 to the decimal module.
739
Georg Brandl3a9b0622009-01-03 22:07:57 +0000740- Fractions.from_float() no longer loses precision for integers too big to
741 cast as floats.
742
Mark Dickinsonf9236412009-01-02 23:23:21 +0000743- Issue #4812: add missing underscore prefix to some internal-use-only
744 constants in the decimal module. (Dec_0 becomes _Dec_0, etc.)
745
Georg Brandl1cdd83c2009-04-05 20:24:29 +0000746- Issue #4790: The nsmallest() and nlargest() functions in the heapq module
Georg Brandl3a9b0622009-01-03 22:07:57 +0000747 did unnecessary work in the common case where no key function was specified.
748
Georg Brandlb1441c72009-01-03 22:33:39 +0000749- Issue #4795: inspect.isgeneratorfunction() returns False instead of None when
750 the function is not a generator.
751
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000752- Issue #4702: Throwing a DistutilsPlatformError instead of IOError in case
753 no MSVC compiler is found under Windows. Original patch by Philip Jenvey.
Tarek Ziadé9df8ce32008-12-30 23:09:20 +0000754
Vinay Sajip6268cbc2009-01-21 00:19:28 +0000755- Issue #4646: distutils was choking on empty options arg in the setup
Tarek Ziadé4450dcf2008-12-29 22:38:38 +0000756 function. Original patch by Thomas Heller.
757
Martin v. Löwis1f1620e2008-12-29 16:27:13 +0000758- Issue #3767: Convert Tk object to string in tkColorChooser.
759
Martin v. Löwise354d782008-12-29 16:03:04 +0000760- Issue #3248: Allow placing ScrolledText in a PanedWindow.
761
Antoine Pitrou5acd41e2008-12-28 14:29:00 +0000762- Issue #4444: Allow assertRaises() to be used as a context handler, so that
763 the code under test can be written inline if more practical.
764
Georg Brandldb7b6b92009-01-01 15:53:14 +0000765- Issue #4739: Add pydoc help topics for symbols, so that e.g. help('@')
766 works as expected in the interactive environment.
767
Antoine Pitroudb5fe662008-12-27 15:50:40 +0000768- Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by
769 Gabriel Genellina.
770
Antoine Pitrou180a3362008-12-14 16:36:46 +0000771- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char
772 boundary.
773
Nick Coghlanf088e5e2008-12-14 11:50:48 +0000774- Issue #4223: inspect.getsource() will now correctly display source code
775 for packages loaded via zipimport (or any other conformant PEP 302
776 loader). Original patch by Alexander Belopolsky.
777
778- Issue #4201: pdb can now access and display source code loaded via
779 zipimport (or any other conformant PEP 302 loader). Original patch by
780 Alexander Belopolsky.
781
782- Issue #4197: doctests in modules loaded via zipimport (or any other PEP
783 302 conformant loader) will now work correctly in most cases (they
784 are still subject to the constraints that exist for all code running
785 from inside a module loaded via a PEP 302 loader and attempting to
786 perform IO operations based on __file__). Original patch by
787 Alexander Belopolsky.
788
789- Issues #4082 and #4512: Add runpy support to zipimport in a manner that
790 allows backporting to maintenance branches. Original patch by
791 Alexander Belopolsky.
792
Antoine Pitrou7c59bc62008-12-13 23:20:54 +0000793- Issue #4163: textwrap module: allow word splitting on a hyphen preceded by
794 a non-ASCII letter.
795
Lars Gustäbel43fcf3a2008-12-12 14:58:38 +0000796- Issue #4616: TarFile.utime(): Restore directory times on Windows.
797
Benjamin Peterson433f32c2008-12-12 01:25:05 +0000798- Issue #4021: tokenize.detect_encoding() now raises a SyntaxError when the
799 codec cannot be found. This is for compatibility with the builtin behavior.
800
Facundo Batista708d5812008-12-11 04:20:07 +0000801- Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
802 give correct results in the case where one argument is a quiet NaN
803 and the other is a finite number that requires rounding.
804
Skip Montanaroc1ce2862008-12-06 17:25:02 +0000805- Issue #4483: _dbm module now builds on systems with gdbm & gdbm_compat
806 libs.
807
Georg Brandlf9734072008-12-07 15:30:06 +0000808- Added the subprocess.check_call_output() convenience function to get output
809 from a subprocess on success or raise an exception on error.
810
811- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
812 support unusual filenames (such as those containing semi-colons) in
813 Content-Disposition headers.
814
815- Issue #4384: Added logging integration with warnings module using
816 captureWarnings(). This change includes a NullHandler which does nothing;
817 it will be of use to library developers who want to avoid the "No handlers
818 could be found for logger XXX" message which can appear if the library user
819 doesn't configure logging.
820
821- Issue #3741: DISTUTILS_USE_SDK set causes msvc9compiler.py to raise an
822 exception.
823
Georg Brandleee31162008-12-07 15:15:22 +0000824- Issue #4529: fix the parser module's validation of try-except-finally
825 statements.
826
827- Issue #4458: getopt.gnu_getopt() now recognizes a single "-" as an argument,
828 not a malformed option.
829
830- Added the subprocess.check_output() convenience function to get output
831 from a subprocess on success or raise an exception on error.
832
Amaury Forgeot d'Arcbc9d4742008-12-05 01:40:43 +0000833- Issue #4542: On Windows, binascii.crc32 still accepted str as binary input;
834 the corresponding tests now pass.
835
Amaury Forgeot d'Arcbc2ce572008-12-05 01:02:21 +0000836- Issue #4537: webbrowser.UnixBrowser would fail to open the browser because
837 it was calling the wrong open() function.
838
Fred Drake9a0a65b2008-12-04 19:24:50 +0000839- Issue #1055234: cgi.parse_header(): Fixed parsing of header parameters to
840 support unusual filenames (such as those containing semi-colons) in
841 Content-Disposition headers.
842
Matthias Klose2c7e3ee2009-01-10 17:08:25 +0000843- Issue #4861: ctypes.util.find_library(): Robustify. Fix library detection on
844 biarch systems. Try to rely on ldconfig only, without using objdump and gcc.
845
Benjamin Peterson5c6d7872009-02-06 02:40:07 +0000846- Issue #5104: The socket module now raises OverflowError when 16-bit port and
847 protocol numbers are supplied outside the allowed 0-65536 range on bind()
848 and getservbyport().
849
Antoine Pitrou2a013ea2008-12-27 20:39:28 +0000850Tools/Demos
851-----------
852
Antoine Pitrou8a681222009-02-07 17:13:31 +0000853- Issue #4704: remove use of cmp() in pybench, bump its version number to 2.1,
854 and make it 2.6-compatible.
855
Guilherme Poloa7d27972009-01-28 16:06:51 +0000856- Ttk demos added in Demo/tkinter/ttk/
857
Antoine Pitrou2a013ea2008-12-27 20:39:28 +0000858- Issue #4677: add two list comprehension tests to pybench.
859
Georg Brandlb1441c72009-01-03 22:33:39 +0000860
861Build
862-----
863
Matthias Klose906785c2009-02-22 23:18:38 +0000864- Link the shared python library with $(MODLIBS).
865
Martin v. Löwis11f72102009-02-10 13:13:30 +0000866- Issue #5134: Silence compiler warnings when compiling sqlite with VC++.
867
Martin v. Löwisbc186a82009-02-02 15:32:22 +0000868- Issue #4494: Fix build with Py_NO_ENABLE_SHARED on Windows.
869
Martin v. Löwise97637d2009-01-11 09:45:11 +0000870- Issue #4895: Use _strdup on Windows CE.
871
Georg Brandlb1441c72009-01-03 22:33:39 +0000872- Issue #4472: "configure --enable-shared" now works on OSX
873
874- Issues #4728 and #4060: WORDS_BIGEDIAN is now correct in Universal builds.
875
876- Issue #4389: Add icon to the uninstall entry in "add-and-remove-programs".
877
878- Issue #4289: Remove Cancel button from AdvancedDlg.
879
880- Issue #1656675: Register a drop handler for .py* files on Windows.
881
882- Issue #4120: Exclude manifest from extension modules in VS2008.
883
884- Issue #4091: Install pythonxy.dll in system32 again.
885
886- Issue #4018: Disable "for me" installations on Vista.
887
888- Issue #3758: Add ``patchcheck`` build target to .PHONY.
889
890- Issue #4204: Fixed module build errors on FreeBSD 4.
891
892
893C-API
894-----
895
Mark Dickinson21776072009-02-10 16:13:25 +0000896- Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
897 for negative arguments. Previously, it raised TypeError.
898
Georg Brandlb1441c72009-01-03 22:33:39 +0000899- Issue #4720: The format for PyArg_ParseTupleAndKeywords can begin with '|'.
900
901- Issue #3632: from the gdb debugger, the 'pyo' macro can now be called when
902 the GIL is released, or owned by another thread.
903
904- Issue #4122: On Windows, fix a compilation error when using the
905 Py_UNICODE_ISSPACE macro in an extension module.
906
907
Mark Dickinsone675f082008-12-11 21:56:00 +0000908Extension Modules
909-----------------
910
Gregory P. Smith365a1862009-02-12 07:35:29 +0000911- Issue #3745: Fix hashlib to always reject unicode and non buffer-api
912 supporting objects as input no matter how it was compiled (built in
913 implementations or external openssl library).
914
Mark Dickinson29500f62009-01-15 15:36:10 +0000915- Issue #4397: Fix occasional test_socket failure on OS X.
916
Martin v. Löwisa9b54c72009-01-11 09:30:50 +0000917- Issue #4279: Fix build of parsermodule under Cygwin.
918
Antoine Pitroubcd5cbe2009-01-08 21:17:16 +0000919- Issue #4751: hashlib now releases the GIL when hashing large buffers
920 (with a hardwired threshold of 2048 bytes), allowing better parallelization
921 on multi-CPU systems. Contributed by Lukas Lueg (ebfe) and Victor Stinner.
922
Martin v. Löwis5c88d812009-01-02 20:47:48 +0000923- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
924
Antoine Pitrou31f30b12009-01-02 17:34:35 +0000925- Issue #4738: Each zlib object now has a separate lock, allowing to compress
926 or decompress several streams at once on multi-CPU systems. Also, the GIL
927 is now released when computing the CRC of a large buffer. Patch by ebfe.
928
Georg Brandlb1441c72009-01-03 22:33:39 +0000929- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
930
Martin v. Löwis05bfe1f2008-12-29 18:21:47 +0000931- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
932
Mark Dickinsone675f082008-12-11 21:56:00 +0000933- Issues #3167, #3682: Fix test_math failures for log, log10 on Solaris,
934 OpenBSD.
Amaury Forgeot d'Arcefae8c42008-11-21 23:08:09 +0000935
Antoine Pitrou3ad3a0d2008-12-18 17:08:32 +0000936- Issue #4583: array.array would not always prohibit resizing when a buffer
937 has been exported, resulting in an interpreter crash when accessing the
938 buffer.
939
Martin v. Löwis841edad2008-11-30 10:36:49 +0000940
Jack Diederiche0cbd692009-04-01 04:27:09 +0000941- Issue #5228: Make functools.partial objects can now be pickled.
942
Guilherme Polo9de29af2009-01-28 20:40:48 +0000943Tests
944-----
945
R. David Murraya21e4ca2009-03-31 23:16:50 +0000946- regrtest no longer treats ImportError as equivalent to SkipTest. Imports
Vinay Sajipad5fa2f2009-04-27 13:55:05 +0000947 that should cause a test to be skipped are now done using import_module
R. David Murraya21e4ca2009-03-31 23:16:50 +0000948 from test support, which does the conversion.
949
Guilherme Polo9de29af2009-01-28 20:40:48 +0000950- Issue #5083: New 'gui' resource for regrtest.
951
952
Brett Cannon7317c1e2008-11-25 19:19:17 +0000953Docs
954----
955
Georg Brandl52b92cc2008-05-25 09:43:03 +0000956
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +0000957**(For information about older versions, consult the HISTORY file.)**