blob: 20359ff886c93042b182c16f8371c35db15f572d [file] [log] [blame]
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001+++++++++++
2Python News
3+++++++++++
4
Anthony Baxterb0c66302004-11-04 05:23:17 +00005(editors: check NEWS.help for information about editing NEWS using ReST.)
6
Guido van Rossumf0af3e32008-10-02 18:55:37 +00007What's New in Python 3.0 beta 5
8===============================
9
10[Note: due to the number of unresolved issues we're going back to beta
11 releases for a while.]
Barry Warsaw1ecaf2c2008-09-18 04:28:35 +000012
13*Release date: XX-XXX-2008*
14
15Core and Builtins
16-----------------
17
Christian Heimes9c94ba42008-10-30 21:34:02 +000018- Issue #4200: Changed the atexit module to store its state in its
19 PyModuleDef atexitmodule. This fixes a bug with multiple subinterpeters.
20
Christian Heimesfec925b2008-10-30 21:22:55 +000021- Issue #4237: io.FileIO() was raising invalid warnings caused by
22 insufficient initialization of PyFileIOObject struct members.
23
Amaury Forgeot d'Arcf43ee812008-10-30 20:58:42 +000024- Issue #4170: Pickling a collections.defaultdict object would crash the
25 interpreter.
26
Benjamin Peterson08a8f5f2008-10-19 14:15:00 +000027- Issue #4146: Compilation on OpenBSD has been restored.
28
Brett Cannonda780432008-10-17 03:38:50 +000029- Issue #3574: compile() incorrectly handled source code encoded as Latin-1.
30
Amaury Forgeot d'Arccf8016a2008-10-09 23:37:48 +000031- Issues #2384 and #3975: Tracebacks were not correctly printed when the
32 source file contains a ``coding:`` header: the wrong line was displayed, and
33 the encoding was not respected.
34
Martin v. Löwis4e0630c2008-10-07 13:16:28 +000035- Issue #3740: Null-initialize module state.
36
Benjamin Peterson60320cb2008-09-26 21:49:22 +000037- Issue #3946: PyObject_CheckReadBuffer crashed on a memoryview object.
38
Amaury Forgeot d'Arcd0db98f2008-09-21 21:49:01 +000039- Issue #1688: On Windows, the input() prompt was not correctly displayed if it
40 contains non-ascii characters.
41
Martin v. Löwis6fea2332008-09-25 04:15:27 +000042- Bug #3951: Py_USING_MEMORY_DEBUGGER should not be enabled by default.
43
Barry Warsaw1ecaf2c2008-09-18 04:28:35 +000044Library
45-------
46
Amaury Forgeot d'Arc87eee632008-10-17 20:15:53 +000047- Issue #3664: The pickle module could segfault if a subclass of Pickler fails
48 to call the base __init__ method.
49
50- Issue #3725: telnetlib now works completely in bytes.
Benjamin Peterson3de7fb82008-10-15 20:54:24 +000051
Martin v. Löwis33b64502008-10-15 05:58:17 +000052- Issue #4072: Restore build_py_2to3.
53
Martin v. Löwisd8506df2008-10-06 15:19:21 +000054- Issue #4014: Don't claim that Python has an Alpha release status, in addition
55 to claiming it is Mature.
56
Martin v. Löwis04dc25c2008-10-03 16:09:28 +000057- Issue #3187: Add sys.setfilesystemencoding.
58
Guido van Rossumf0af3e32008-10-02 18:55:37 +000059- Issue #3187: Better support for "undecodable" filenames. Code by Victor
60 Stinner, with small tweaks by GvR.
61
Martin v. Löwis601149b2008-09-29 22:19:08 +000062- Issue #3965: Allow repeated calls to turtle.Screen, by making it a
63 true singleton object.
64
Benjamin Peterson3a53fbb2008-09-27 22:04:16 +000065- Issue #3911: ftplib.FTP.makeport() could give invalid port numbers.
66
Amaury Forgeot d'Arcb5cf3012008-09-25 22:27:43 +000067- Issue #3929: When the database cannot be opened, dbm.open() would incorrectly
68 raise a TypeError: "'tuple' object is not callable" instead of the expected
69 dbm.error.
70
Martin v. Löwis60ebb8b2008-09-21 07:32:10 +000071- Bug #3884: Make the turtle module toplevel again.
72
Thomas Heller1308c262008-09-24 19:01:29 +000073- Issue #3547: Fixed ctypes structures bitfields of varying integer
74 sizes.
75
Gerhard Häring6117f422008-09-22 06:04:51 +000076Extension Modules
77-----------------
78
79- Issue #3659: Subclasses of str didn't work as SQL parameters.
80
Martin v. Löwisf63921f2008-10-13 11:30:30 +000081Build
82-----
83
Martin v. Löwisc820eaf2008-10-17 13:47:20 +000084- Issue #4091: Install pythonxy.dll in system32 again.
85
Martin v. Löwisf63921f2008-10-13 11:30:30 +000086- Issue #4018: Disable "for me" installations on Vista.
87
Martin v. Löwis33b64502008-10-15 05:58:17 +000088Tools/Demos
89-----------
90
Martin v. Löwis869bad92008-10-17 15:54:44 +000091- Issue #3717: Fix Demo/embed/demo.c.
92
Martin v. Löwis33b64502008-10-15 05:58:17 +000093- Issue #4072: Add a distutils demo for build_py_2to3.
94
Barry Warsaw1ecaf2c2008-09-18 04:28:35 +000095
Barry Warsaw8509df72008-08-21 03:02:47 +000096What's New in Python 3.0 release candidate 1
97============================================
98
Barry Warsawb8854802008-09-18 03:00:28 +000099*Release date: 17-Sep-2008*
Barry Warsaw8509df72008-08-21 03:02:47 +0000100
101Core and Builtins
102-----------------
103
Benjamin Peterson5e19e442008-09-10 21:47:03 +0000104- Issue #3827: memoryview lost its size attribute in favor of using len(view).
105
Hirokazu Yamamoto167b12b2008-09-09 14:01:25 +0000106- Issue #3813: could not lanch python.exe via symbolic link on cygwin.
107
Antoine Pitrou5651eaa2008-09-06 20:46:58 +0000108- Issue #3705: fix crash when given a non-ascii value on the command line for
Amaury Forgeot d'Arc8530e852008-09-09 07:28:22 +0000109 the "-c" and "-m" parameters. Now the behaviour is as expected under Linux,
110 although under Windows it fails at a later point.
Antoine Pitrou5651eaa2008-09-06 20:46:58 +0000111
Benjamin Peterson791dc2f2008-09-05 23:27:15 +0000112- Issue #3279: Importing site at interpreter was failing silently because the
113 site module uses the open builtin which was not initialized at the time.
114
Amaury Forgeot d'Arcf0481112008-09-05 20:48:47 +0000115- Issue #3660: Corrected a reference leak in str.encode() when the encoder
116 does not return a bytes object.
117
118- Issue #3774: Added a few more checks in PyTokenizer_FindEncoding to handle
Amaury Forgeot d'Arc1b933ed2008-09-04 22:34:09 +0000119 error conditions.
120
Amaury Forgeot d'Arcf0481112008-09-05 20:48:47 +0000121- Issue #3594: Fix Parser/tokenizer.c:fp_setreadl() to open the file being
Brett Cannon8a9583e2008-09-04 05:04:25 +0000122 tokenized by either a file path or file pointer for the benefit of
123 PyTokenizer_FindEncoding().
124
Antoine Pitroufff95302008-09-03 18:58:51 +0000125- Issue #3696: Error parsing arguments on OpenBSD <= 4.4 and Cygwin. On
126 these systems, the mbstowcs() function is slightly buggy and must be
127 replaced with strlen() for the purpose of counting of number of wide
128 characters needed to represent the multi-byte character string.
129
Antoine Pitrou658fad82008-09-03 18:34:34 +0000130- Issue #3697: "Fatal Python error: Cannot recover from stack overflow"
131 could be easily encountered under Windows in debug mode when exercising
132 the recursion limit checking code, due to bogus handling of recursion
133 limit when USE_STACKCHEK was enabled.
134
Brett Cannon54bd41d2008-09-02 04:01:42 +0000135- Issue 3639: The _warnings module could segfault the interpreter when
136 unexpected types were passed in as arguments.
137
Antoine Pitrouc6b09eb2008-09-01 15:10:14 +0000138- Issue #3712: The memoryview object had a reference leak and didn't support
139 cyclic garbage collection.
140
Antoine Pitrouf71995782008-08-29 18:37:05 +0000141- Issue #3668: Fix a memory leak with the "s*" argument parser in
142 PyArg_ParseTuple and friends, which occurred when the argument for "s*"
143 was correctly parsed but parsing of subsequent arguments failed.
144
Amaury Forgeot d'Arcdb26f7c2008-08-29 07:13:32 +0000145- Issue #3611: An exception __context__ could be cleared in a complex pattern
146 involving a __del__ method re-raising an exception.
147
Antoine Pitrouec569b72008-08-26 22:40:48 +0000148- Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to
149 match Python 2.5 speed despite the __instancecheck__ / __subclasscheck__
150 mechanism. In the process, fix a bug where isinstance() and issubclass(),
151 when given a tuple of classes as second argument, were looking up
152 __instancecheck__ / __subclasscheck__ on the tuple rather than on each
153 type object.
154
Antoine Pitroue2dffc02008-08-26 22:02:58 +0000155- Issue #3663: Py_None was decref'd when printing SyntaxErrors.
156
Benjamin Peterson9edd2bd2008-08-27 00:31:37 +0000157- Issue #3651: Fix various memory leaks when using the buffer
158 interface, or when the "s#" code of PyArg_ParseTuple is given a
159 bytes object.
160
Neal Norwitz6ae2eb22008-08-24 23:50:08 +0000161- Issue #3657: Fix uninitialized memory read when pickling longs.
162 Found by valgrind.
163
Neal Norwitz3ce5d922008-08-24 07:08:55 +0000164- Apply security patches from Apple.
165
Neal Norwitz2f99b242008-08-24 05:48:10 +0000166- Fix crashes on memory allocation failure found with failmalloc.
167
168- Fix memory leaks found with valgrind and update suppressions file.
169
170- Fix compiler warnings in opt mode which would lead to invalid memory reads.
171
172- Fix problem using wrong name in decimal module reported by pychecker.
173
Amaury Forgeot d'Arc20443f32008-08-22 22:05:20 +0000174- Issue #3650: Fixed a reference leak in bytes.split('x').
175
Benjamin Petersonc15a0732008-08-26 16:46:47 +0000176- bytes(o) now tries to use o.__bytes__() before using fallbacks.
177
Gregory P. Smith207f2112008-09-07 06:29:10 +0000178- Issue #1204: The configure script now tests for additional libraries
179 that may be required when linking against readline. This fixes issues
180 with x86_64 builds on some platforms (a few Linux flavors and OpenBSD).
181
Benjamin Petersonc15a0732008-08-26 16:46:47 +0000182C API
183-----
184
185- PyObject_Bytes and PyBytes_FromObject were added.
186
Barry Warsaw8509df72008-08-21 03:02:47 +0000187Library
188-------
189
Guido van Rossum698280d2008-09-10 17:44:35 +0000190- Issue #3756: make re.escape() handle bytes as well as str.
191
Georg Brandl7cd67cc2008-09-09 19:31:25 +0000192- Issue #3800: fix filter() related bug in formatter.py.
193
Antoine Pitrou5fe291f2008-09-06 23:00:03 +0000194- Issue #874900: fix behaviour of threading module after a fork.
195
Antoine Pitrou9e4fdf42008-09-05 23:43:02 +0000196- Issue #3535: zipfile couldn't read some zip files larger than 2GB.
197
198- Issue #3776: Deprecate the bsddb package for removal in 3.0.
199
200- Issue #3762: platform.architecture() fails if python is lanched via
201 its symbolic link.
202
Antoine Pitroud79dc622008-09-05 00:03:33 +0000203- Issue #3660: fix a memory leak in the C accelerator of the pickle module.
204
Antoine Pitrou1d6a16b2008-09-04 21:32:09 +0000205- Issue #3160: the "bdist_wininst" distutils command didn't work.
206
Guilherme Polob212b752008-09-04 11:21:31 +0000207- Issue #1658: tkinter changes dict size during iteration in both
208 tkinter.BaseWidget and tkinter.scrolledtext.ScrolledText.
209
Benjamin Peterson6ba23322008-09-03 22:59:38 +0000210- The bsddb module (and therefore the dbm.bsd module) has been removed.
Gregory P. Smith451e99b2008-09-04 04:46:48 +0000211 It is now maintained outside of the standard library at
212 http://www.jcea.es/programacion/pybsddb.htm.
Benjamin Peterson6ba23322008-09-03 22:59:38 +0000213
Facundo Batistac469d4c2008-09-03 22:49:01 +0000214- Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module
215 to the urlparse one. Added a DeprecationWarning in the old module, it
216 will be deprecated in the future.
217
Marc-André Lemburg7b2b1f92008-09-02 12:10:46 +0000218- Issue #3719: platform.architecture() fails if there are spaces in the
219 path to the Python binary.
220
Brett Cannonec92e182008-09-02 02:46:59 +0000221- Issue 3602: As part of the merge of r66135, make the parameters on
222 warnings.catch_warnings() keyword-only. Also remove a DeprecationWarning.
223
Benjamin Petersonb3085c92008-09-01 23:09:31 +0000224- The deprecation warnings for the camelCase threading API names were removed.
225
Jesse Noller338f5782008-09-03 18:22:19 +0000226- Issue #3110: multiprocessing fails to compiel on solaris 10 due to missing
227 SEM_VALUE_MAX.
228
Benjamin Peterson6784eb72008-08-23 20:32:27 +0000229Extension Modules
230-----------------
231
Antoine Pitrou9cadb1b2008-09-15 23:02:56 +0000232- Issue #3782: os.write() must not accept unicode strings.
233
Amaury Forgeot d'Arcd8976f12008-09-02 23:22:56 +0000234- Issue #2975: When compiling several extension modules with Visual Studio 2008
235 from the same python interpreter, some environment variables would grow
236 without limit.
237
Benjamin Peterson6784eb72008-08-23 20:32:27 +0000238- Issue #3643: Added a few more checks to _testcapi to prevent segfaults by
239 exploitation of poor argument checking.
240
Jesus Cea6ba33292008-08-31 14:12:11 +0000241- bsddb code updated to version 4.7.3pre2. This code is the same than
242 Python 2.6 one, since the intention is to keep an unified 2.x/3.x codebase.
243 The Python code is automatically translated using "2to3". Please, do not
244 update this code in Python 3.0 by hand. Update the 2.6 one and then
245 do "2to3".
246
Benjamin Peterson791dc2f2008-09-05 23:27:15 +0000247- The _bytesio and _stringio modules are now compiled into the python binary.
248
Gregory P. Smith693fc462008-09-06 20:13:06 +0000249- Issue #3492 and #3790: Fixed the zlib module and zipimport module uses of
250 mutable bytearray objects where they should have been using immutable bytes.
251
Gregory P. Smith0a608fd2008-09-06 21:34:51 +0000252- Issue #3797: Fixed the dbm, marshal, mmap, ossaudiodev, & winreg modules to
253 return bytes objects instead of bytearray objects.
254
Gregory P. Smith693fc462008-09-06 20:13:06 +0000255
Neal Norwitz8f2f22a2008-08-24 20:59:23 +0000256Tools/Demos
257-----------
258
259- Fix Misc/gdbinit so it works.
260
Barry Warsaw8509df72008-08-21 03:02:47 +0000261
Amaury Forgeot d'Arcf7bfcfb2008-09-09 06:42:00 +0000262Build
263-----
264
Hirokazu Yamamoto54a1cc62008-09-09 17:55:11 +0000265- Issue #3812: Failed to build python if configure --without-threads.
266
Amaury Forgeot d'Arcf7bfcfb2008-09-09 06:42:00 +0000267- Issue #3791: Remove the bsddb module from the Windows installer, and the
268 core bsddb library from the Windows build files.
269
270
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000271What's new in Python 3.0b3?
272===========================
273
Barry Warsaw57c10582008-08-21 02:39:51 +0000274*Release date: 20-Aug-2008*
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000275
Antoine Pitrou9a2310d2008-07-25 22:39:39 +0000276Core and Builtins
277-----------------
278
Benjamin Petersonbc74e5b2008-08-23 20:19:17 +0000279- Issue #3653: Fix a segfault when sys.excepthook was called with invalid
280 arguments.
281
Antoine Pitrou616d2852008-08-19 22:09:34 +0000282- Issue #2394: implement more of the memoryview API, with the caveat that
283 only one-dimensional contiguous buffers are supported and exercised right
284 now. Slicing, slice assignment and comparison (equality and inequality)
285 have been added. Also, the tolist() method has been implemented, but only
286 for byte buffers. Endly, the API has been updated to return bytes objects
287 wherever it used to return bytearrays.
288
Antoine Pitrouee58fa42008-08-19 18:22:14 +0000289- Issue #3560: clean up the new C PyMemoryView API so that naming is
290 internally consistent; add macros PyMemoryView_GET_BASE() and
291 PyMemoryView_GET_BUFFER() to access useful properties of a memory views
292 without relying on a particular implementation; remove the ill-named
293 PyMemoryView() function (PyMemoryView_GET_BUFFER() can be used instead).
294
Thomas Hellerf5049fc2008-08-19 19:49:49 +0000295- ctypes function pointers that are COM methods have a boolean True
296 value again.
297
Antoine Pitrou9a2310d2008-07-25 22:39:39 +0000298- Issue #1819: function calls with several named parameters are now on
299 average 35% faster (as measured by pybench).
300
Marc-André Lemburg4cc0f242008-08-07 18:54:33 +0000301- The undocumented C APIs PyUnicode_AsString() and
302 PyUnicode_AsStringAndSize() were made private to the interpreter, in
303 order to be able to refine their interfaces for Python 3.1.
304
305 If you need to access the UTF-8 representation of a Unicode object
306 as bytes string, please use PyUnicode_AsUTF8String() instead.
307
Antoine Pitrouaf14b792008-08-07 21:50:41 +0000308- Issue #3460: PyUnicode_Join() implementation is 10% to 80% faster thanks
309 to Python 3.0's stricter semantics which allow to avoid successive
310 reallocations of the result string (this also affects str.join()).
311
Marc-André Lemburg4cc0f242008-08-07 18:54:33 +0000312
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000313Library
314-------
315
Hye-Shik Chang50d1f792008-08-23 08:03:03 +0000316- Issue #1276: Added temporary aliases for CJK Mac encodings to resolve
317 a build problem on MacOS with CJK locales. It adds four temporary
318 mappings to existing legacy codecs that are virtually compatible
319 with Mac encodings. They will be replaced by codecs correctly
320 implemented in 3.1.
321
Amaury Forgeot d'Arc41e36672008-08-20 21:35:50 +0000322- Issue #3614: Corrected a typo in xmlrpc.client, leading to a NameError
323 "global name 'header' is not defined".
324
Antoine Pitroufd036452008-08-19 17:56:33 +0000325- Issue #2834: update the regular expression library to match the unicode
326 standards of py3k. In other words, mixing bytes and unicode strings
327 (be it as pattern, search string or replacement string) raises a TypeError.
328 Moreover, the re.UNICODE flag is enabled automatically for unicode patterns,
329 and can be disabled by specifying a new re.ASCII flag; as for bytes
330 patterns, ASCII matching is the only option and trying to specify re.UNICODE
331 for such patterns raises a ValueError.
332
Guido van Rossum52dbbb92008-08-18 21:44:30 +0000333- Issue #3300: make urllib.parse.[un]quote() default to UTF-8.
334 Code contributed by Matt Giuca. quote() now encodes the input
335 before quoting, unquote() decodes after unquoting. There are
336 new arguments to change the encoding and errors settings.
337 There are also new APIs to skip the encode/decode steps.
338 [un]quote_plus() are also affected.
339
Nick Coghlan36f49522008-08-18 12:31:52 +0000340- Issue #2235: numbers.Number now blocks inheritance of the default id()
341 based hash because that hash mechanism is not correct for numeric types.
342 All concrete numeric types that inherit from Number (rather than just
343 registering with it) must explicitly provide a hash implementation in
344 order for their instances to be hashable.
345
Benjamin Peterson4cd6a952008-08-17 20:23:46 +0000346- Issue #2676: in the email package, content-type parsing was hanging on
347 pathological input because of quadratic or exponential behaviour of a
348 regular expression.
349
Antoine Pitrou87695762008-08-14 22:44:29 +0000350- Issue #3476: binary buffered reading through the new "io" library is now
351 thread-safe.
352
Robert Schuppenies3d1c7de2008-08-10 11:28:17 +0000353- Issue #1342811: Fix leak in Tkinter.Menu.delete. Commands associated to
354 menu entries were not deleted.
355
Lars Gustäbel0c24e8b2008-08-02 11:43:24 +0000356- Remove the TarFileCompat class from tarfile.py.
357
Amaury Forgeot d'Arcbdbddf82008-08-01 00:06:49 +0000358- Issue #2491: os.fdopen is now almost an alias for the built-in open(), and
359 accepts the same parameters. It just checks that its first argument is an
360 integer.
361
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000362- Issue #3394: zipfile.writestr sets external attributes when passed a
363 file name rather than a ZipInfo instance, so files are extracted with
364 mode 0600 rather than 000 under Unix.
365
Antoine Pitrouc66f9092008-07-28 19:46:11 +0000366- Issue #2523: Fix quadratic behaviour when read()ing a binary file without
367 asking for a specific length.
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000368
Martin v. Löwis371bb502008-08-16 13:02:57 +0000369Extension Modules
370-----------------
371
372- Bug #3542: Support Unicode strings in _msi module.
373
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +0000374What's new in Python 3.0b2?
375===========================
376
Barry Warsaw4bd1cef2008-07-18 02:28:44 +0000377*Release date: 17-Jul-2008*
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +0000378
379Core and Builtins
380-----------------
381
Mark Dickinson65fe25e2008-07-16 11:30:51 +0000382- Issue #3008: the float type has a new instance method 'float.hex'
383 and a new class method 'float.fromhex' to convert floating-point
384 numbers to and from hexadecimal strings, respectively.
385
Eric Smithd68af8f2008-07-16 00:15:35 +0000386- Issue #3083: Add alternate (#) formatting for bin, oct, hex output
387 for str.format(). This adds the prefix 0b, 0o, or 0x, respectively.
388
Amaury Forgeot d'Arca4db6862008-07-04 21:26:43 +0000389- Issue #3280: like chr(), the "%c" format now accepts unicode code points
390 beyond the Basic Multilingual Plane (above 0xffff) on all configurations. On
391 "narrow Unicode" builds, the result is a string of 2 code units, forming a
392 UTF-16 surrogate pair.
393
Georg Brandld52429f2008-07-04 15:55:02 +0000394- Issue #3282: str.isprintable() should return False for undefined
395 Unicode characters.
396
Martin v. Löwis029656f2008-06-30 04:06:08 +0000397- Issue #3236: Return small longs from PyLong_FromString.
398
Benjamin Petersone6528212008-07-15 15:32:09 +0000399- Exception tracebacks now support exception chaining.
400
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +0000401Library
402-------
403
Brett Cannonc2542e92008-07-25 18:19:20 +0000404- Removed the sunaudio module. Use sunau instead.
405
Thomas Heller47bc8092008-08-19 06:38:12 +0000406- Issue #3554: ctypes.string_at and ctypes.wstring_at did call Python
407 api functions without holding the GIL, which could lead to a fatal
408 error when they failed.
409
410- Issue #799428: Fix Tkinter.Misc._nametowidget to unwrap Tcl command objects.
411
Georg Brandl30704ea02008-07-23 15:07:12 +0000412- Removed "ast" function aliases from the parser module.
413
Thomas Heller15383a02008-07-15 19:46:52 +0000414- Issue #3313: Fixed a crash when a failed dlopen() call does not set
415 a valid dlerror() message.
416
Thomas Heller0261e1e2008-07-15 17:25:07 +0000417- Issue #3258: Fixed a crash when a ctypes POINTER type to an
418 incomplete structure was created.
419
Georg Brandl1abcbf82008-07-01 19:28:43 +0000420- Issue #2683: Fix inconsistency in subprocess.Popen.communicate(): the
421 argument now must be a bytes object in any case.
422
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +0000423- Issue #3145: help("modules whatever") failed when trying to load the source
424 code of every single module of the standard library, including invalid files
425 used in the test suite.
426
Georg Brandlbded4d32008-07-17 18:15:35 +0000427- The gettext library now consistently uses Unicode strings for message ids
428 and message strings, and ``ugettext()`` and the like don't exist anymore.
Benjamin Peterson801844d2008-07-14 14:32:15 +0000429
Benjamin Petersone6528212008-07-15 15:32:09 +0000430- The traceback module has been expanded to handle chained exceptions.
431
Amaury Forgeot d'Arc612f61f2008-07-02 23:02:21 +0000432C API
433-----
434
435- Issue #3247: the function Py_FindMethod was removed. Modern types should
436 use the tp_methods slot instead.
437
Benjamin Petersonde9c8692008-07-01 18:23:09 +0000438Tools/Demos
439-----------
440
Georg Brandl336341f2008-07-01 20:21:28 +0000441- The Mac/Demos directory has been removed.
Benjamin Petersonde9c8692008-07-01 18:23:09 +0000442
Georg Brandl336341f2008-07-01 20:21:28 +0000443- All of the Mac scripts have been removed (including BuildApplet.py).
Benjamin Petersonde9c8692008-07-01 18:23:09 +0000444
445
Brett Cannon0d71ee72008-05-08 18:13:40 +0000446What's new in Python 3.0b1?
447===========================
448
Barry Warsawc1e689e2008-06-19 00:35:43 +0000449*Release date: 18-Jun-2008*
Brett Cannon0d71ee72008-05-08 18:13:40 +0000450
451Core and Builtins
452-----------------
453
Brett Cannondb734912008-06-27 00:52:15 +0000454- Issue #3211: warnings.warn_explicit() did not guard against its 'registry'
455 argument being anything other than a dict or None. Also fixed a bug in error
456 handling when 'message' and 'category' were both set to None, triggering a
457 bus error.
458
Amaury Forgeot d'Arcc856c7a2008-06-16 19:50:09 +0000459- Issue #3100: Corrected a crash on deallocation of a subclassed weakref which
460 holds the last (strong) reference to its referent.
461
Georg Brandl559e5d72008-06-11 18:37:52 +0000462- Issue #2630: implement PEP 3138. repr() now returns printable
463 Unicode characters unescaped, to get an ASCII-only representation
464 of an object use ascii().
465
Amaury Forgeot d'Arcf1ca0b12008-06-11 17:40:47 +0000466- Issue #1342: On windows, Python could not start when installed in a
467 directory with non-ascii characters.
468
Martin v. Löwis1a214512008-06-11 05:26:20 +0000469- Implement PEP 3121: new module initialization and finalization API.
470
Georg Brandle1b5ac62008-06-04 13:06:58 +0000471- Removed the already-defunct ``-t`` option.
472
Amaury Forgeot d'Arc74c71f52008-05-26 21:41:42 +0000473- Issue #2957: Corrected a ValueError "recursion limit exceeded", when
474 unmarshalling many code objects, which happens when importing a
475 large .pyc file (~1000 functions).
476
Georg Brandl52b92cc2008-05-25 09:43:03 +0000477- Issue #2963: fix merging oversight that disabled method cache for
478 all types.
Georg Brandl1bcf35a2008-05-25 09:32:09 +0000479
Georg Brandlc9b09532008-05-25 09:24:38 +0000480- Issue #2964: fix a missing INCREF in instancemethod_descr_get.
481
Georg Brandl52b92cc2008-05-25 09:43:03 +0000482- Issue #2895: Don't crash when given bytes objects as keyword names.
Georg Brandld8b690f2008-05-16 17:28:50 +0000483
Georg Brandl52b92cc2008-05-25 09:43:03 +0000484- Issue #2798: When parsing arguments with PyArg_ParseTuple, the "s"
485 code now allows any unicode string and returns a utf-8 encoded
486 buffer, just like the "s#" code already does. The "z" code was
487 corrected as well.
Amaury Forgeot d'Arc07404592008-05-12 13:19:07 +0000488
Georg Brandl52b92cc2008-05-25 09:43:03 +0000489- Issue #2863: generators now have a ``gen.__name__`` attribute that
490 equals ``gen.gi_code.co_name``, like ``func.__name___`` that equals
491 ``func.func_code.co_name``. The repr() of a generator now also
492 contains this name.
Alexandre Vassalottie9f305f2008-05-16 04:39:54 +0000493
494- Issue #2831: enumerate() now has a ``start`` argument.
495
Georg Brandl52b92cc2008-05-25 09:43:03 +0000496- Issue #2801: fix bug in the float.is_integer method where a
497 ValueError was sometimes incorrectly raised.
Mark Dickinsonc4352b02008-05-09 13:55:01 +0000498
Georg Brandl52b92cc2008-05-25 09:43:03 +0000499- The ``--with-toolbox-glue`` option (and the associated
500 pymactoolbox.h) have been removed.
Benjamin Peterson79629ab2008-05-14 21:07:12 +0000501
Georg Brandl52b92cc2008-05-25 09:43:03 +0000502- Issue #2196: hasattr() now lets exceptions which do not inherit
503 Exception (KeyboardInterrupt, and SystemExit) propagate instead of
504 ignoring them.
Alexandre Vassalottieca20b62008-05-16 02:54:33 +0000505
Benjamin Petersoneec3d712008-06-11 15:59:43 +0000506- #3021 Exception reraising sematics have been significantly improved. However,
507 f_exc_type, f_exc_value, and f_exc_traceback cannot be accessed from Python
508 code anymore.
509
Benjamin Peterson4f92ca42008-06-11 20:21:57 +0000510- Three of PyNumberMethods' members, nb_coerce, nb_hex, and nb_oct, have been
511 removed.
512
Brett Cannon0d71ee72008-05-08 18:13:40 +0000513Extension Modules
514-----------------
515
Georg Brandl38feaf02008-05-25 07:45:51 +0000516- Renamed ``_winreg`` module to ``winreg``.
517
Georg Brandl52b92cc2008-05-25 09:43:03 +0000518- Support os.O_ASYNC and fcntl.FASYNC if the constants exist on the
519 platform.
Alexandre Vassalottibee32532008-05-16 18:15:12 +0000520
521- Support for Windows 9x has been removed from the winsound module.
522
Georg Brandl52b92cc2008-05-25 09:43:03 +0000523- Issue #2870: cmathmodule.c compile error.
Alexandre Vassalottieca20b62008-05-16 02:54:33 +0000524
Brett Cannon0d71ee72008-05-08 18:13:40 +0000525Library
526-------
527
Benjamin Peterson87069fd2008-08-20 02:00:14 +0000528- The methods ``is_in_tuple()``, ``is_vararg()``, and ``is_keywordarg()`` of
529 symtable.Symbol have been removed.
530
Amaury Forgeot d'Arccb0d2d72008-06-18 22:19:22 +0000531- Patch #3133: http.server.CGIHTTPRequestHandler did not work on windows.
532
Jeremy Hylton1afc1692008-06-18 20:49:58 +0000533- a new ``urllib`` package was created. It consists of code from
534 ``urllib``, ``urllib2``, ``urlparse``, and ``robotparser``. The old
535 modules have all been removed. The new package has five submodules:
536 ``urllib.parse``, ``urllib.request``, ``urllib.response``,
537 ``urllib.error``, and ``urllib.robotparser``. The
538 ``urllib.request.urlopen()`` function uses the url opener from
539 ``urllib2``. (Note that the unittests have not been renamed for the
540 beta, but they will be renamed in the future.)
541
Benjamin Petersona0c0a4a2008-06-12 22:15:50 +0000542- rfc822 has been removed in favor of the email package.
543
Benjamin Peterson425ea7f2008-06-12 14:11:35 +0000544- mimetools has been removed in favor of the email package.
Benjamin Peterson23c51a22008-06-12 14:06:57 +0000545
Barry Warsawf5019422008-06-12 02:42:00 +0000546- Patch #2849: Remove use of rfc822 module from standard library.
547
Alexandre Vassalotti794652d2008-06-11 22:58:36 +0000548- Added C optimized implementation of io.StringIO.
549
Alexandre Vassalottica2d6102008-06-12 18:26:05 +0000550- The ``pickle`` module is now automatically use an optimized C
551 implementation of Pickler and Unpickler when available. The
552 ``cPickle`` module is no longer needed.
553
Georg Brandl877b10a2008-06-01 21:25:55 +0000554- Removed the ``htmllib`` and ``sgmllib`` modules.
555
Georg Brandl61013952008-05-28 15:56:30 +0000556- The deprecated ``SmartCookie`` and ``SimpleCookie`` classes have
557 been removed from ``http.cookies``.
558
Brett Cannona23810f2008-05-26 19:04:21 +0000559- The ``commands`` module has been removed. Its getoutput() and
560 getstatusoutput() functions have been moved to the ``subprocess`` module.
561
Georg Brandl3d5c4252008-05-26 18:03:26 +0000562- The ``http`` package was created; it contains the old ``httplib``
563 as ``http.client``, ``Cookie`` as ``http.cookies``, ``cookielib``
564 as ``http.cookiejar``, and the content of the three ``HTTPServer``
565 modules as ``http.server``.
566
Georg Brandl38eceaa2008-05-26 11:14:17 +0000567- The ``xmlrpc`` package was created; it contains the old
568 ``xmlrpclib`` module as ``xmlrpc.client`` and the content of
569 the old ``SimpleXMLRPCServer`` and ``DocXMLRPCServer`` modules
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000570 as ``xmlrpc.server``.
Georg Brandl38eceaa2008-05-26 11:14:17 +0000571
572- The ``dbm`` package was created, containing the old modules
573 ``anydbm`` and ``whichdb`` in its ``__init__.py``, and having
574 ``dbm.gnu`` (was ``gdbm``), ``dbm.bsd`` (was ``dbhash``),
575 ``dbm.ndbm`` (was ``dbm``) and ``dbm.dumb`` (was ``dumbdbm``)
576 as submodules.
577
Georg Brandl52b92cc2008-05-25 09:43:03 +0000578- The ``repr`` module has been renamed to ``reprlib``.
Alexandre Vassalotti1f2ba4b2008-05-16 07:12:44 +0000579
Georg Brandl52b92cc2008-05-25 09:43:03 +0000580- The ``statvfs`` module has been removed.
Brett Cannonacbb7862008-05-16 00:42:57 +0000581
Georg Brandl52b92cc2008-05-25 09:43:03 +0000582- Issue #1713041: fix pprint's handling of maximum depth.
Alexandre Vassalottieca20b62008-05-16 02:54:33 +0000583
Georg Brandl52b92cc2008-05-25 09:43:03 +0000584- Issue #2250: Exceptions raised during evaluation of names in
585 rlcompleter's ``Completer.complete()`` method are now caught and
586 ignored.
Alexandre Vassalotti8ae3e052008-05-16 00:41:41 +0000587
Georg Brandl52b92cc2008-05-25 09:43:03 +0000588- Patch #2659: Added ``break_on_hyphens`` option to textwrap's
589 ``TextWrapper`` class.
Alexandre Vassalotti1d1eaa42008-05-14 22:59:42 +0000590
Alexandre Vassalotti6461e102008-05-15 22:09:29 +0000591- Issue #2487: change the semantics of math.ldexp(x, n) when n is too
592 large to fit in a C long. ldexp(x, n) now returns a zero (with
593 suitable sign) if n is large and negative; previously, it raised
594 OverflowError.
595
Georg Brandl52b92cc2008-05-25 09:43:03 +0000596- The ``ConfigParser`` module has been renamed to ``configparser``.
Alexandre Vassalotti5f8ced22008-05-16 00:03:33 +0000597
Georg Brandl52b92cc2008-05-25 09:43:03 +0000598- Issue #2865: webbrowser.open() works again in a KDE environment.
Amaury Forgeot d'Arc2b2b44d2008-05-12 14:41:00 +0000599
Georg Brandl52b92cc2008-05-25 09:43:03 +0000600- The ``multifile`` module has been removed.
Brett Cannond3343cb2008-05-12 03:18:21 +0000601
Georg Brandl52b92cc2008-05-25 09:43:03 +0000602- The ``SocketServer`` module has been renamed to ``socketserver``.
Alexandre Vassalottice261952008-05-12 02:31:37 +0000603
Georg Brandl52b92cc2008-05-25 09:43:03 +0000604- Fixed the ``__all__`` setting on ``collections`` to include
605 ``UserList`` and ``UserString``.
Brett Cannon23a4a7b2008-05-12 00:56:28 +0000606
Brett Cannoncf3520c2008-05-11 22:47:58 +0000607- The sre module has been removed.
608
Alexandre Vassalottif260e442008-05-11 19:59:59 +0000609- The Queue module has been renamed to queue.
610
Alexandre Vassalottif7fa63d2008-05-11 08:55:36 +0000611- The copy_reg module has been renamed to copyreg.
612
Brett Cannond8b61ee2008-05-11 03:00:26 +0000613- The mhlib module has been removed.
614
Brett Cannonbd474422008-05-10 22:42:14 +0000615- The ihooks module has been removed.
616
Brett Cannonb59a2bd2008-05-10 22:03:16 +0000617- The fpformat module has been removed.
618
Brett Cannonf4fd9932008-05-10 21:11:46 +0000619- The dircache module has been removed.
620
Brett Cannond175b4c2008-05-10 03:19:54 +0000621- The Canvas module has been removed.
622
Mark Dickinsonb27406c2008-05-09 13:42:33 +0000623- The Decimal module gained the magic methods __round__, __ceil__,
624 __floor__ and __trunc__, to give support for round, math.ceil,
625 math.floor and math.trunc.
626
Brett Cannon900ee3a2008-05-08 20:31:11 +0000627- The user module has been removed.
628
Brett Cannon34afe872008-05-08 20:31:44 +0000629- The mutex module has been removed.
630
Brett Cannon0d71ee72008-05-08 18:13:40 +0000631- The imputil module has been removed.
632
Georg Brandl52b92cc2008-05-25 09:43:03 +0000633- os.path.walk has been removed in favor of os.walk.
Benjamin Petersond71ca412008-05-08 23:44:58 +0000634
Alexandre Vassalotti5f8ced22008-05-16 00:03:33 +0000635- pdb gained the "until" command.
636
Georg Brandl52b92cc2008-05-25 09:43:03 +0000637- The test.test_support module has been renamed to test.support.
Benjamin Petersonee8712c2008-05-20 21:35:26 +0000638
Georg Brandl32de7af2008-08-18 23:07:41 +0000639- The threading module API was renamed to be PEP 8 compliant. The
640 old names are still present, but will be removed in the near future.
Benjamin Peterson672b8032008-06-11 19:14:14 +0000641
Georg Brandl294d5a92008-06-01 19:25:32 +0000642Tools/Demos
643-----------
644
645- The bgen tool has been removed.
Benjamin Peterson630c8292008-06-01 18:50:38 +0000646
Brett Cannon0d71ee72008-05-08 18:13:40 +0000647Build
648-----
649
650
Barry Warsaw66079cd2008-04-04 01:36:36 +0000651What's New in Python 3.0a5?
652===========================
653
Barry Warsaw9eab8b02008-05-08 13:05:38 +0000654*Release date: 08-May-2008*
Barry Warsaw66079cd2008-04-04 01:36:36 +0000655
656Core and Builtins
657-----------------
658
Georg Brandl52b92cc2008-05-25 09:43:03 +0000659- Fixed misbehaviour of PyLong_FromSsize_t on systems where
660 sizeof(size_t) > sizeof(long).
Mark Dickinson7ab6be22008-04-15 21:42:42 +0000661
Georg Brandl52b92cc2008-05-25 09:43:03 +0000662- Issue #2221: Corrected a SystemError "error return without exception
663 set", when the code executed by exec() raises an exception, and
664 sys.stdout.flush() also raises an error.
Amaury Forgeot d'Arc7fedbe52008-04-10 21:03:09 +0000665
Georg Brandl52b92cc2008-05-25 09:43:03 +0000666- Bug #2565: The repr() of type objects now calls them 'class', not
667 'type' - whether they are builtin types or not.
Martin v. Löwis250ad612008-04-07 05:43:42 +0000668
Martin v. Löwis790465f2008-04-05 20:41:37 +0000669- The command line processing was converted to pass Unicode strings
670 through as unmodified as possible; as a consequence, the C API
671 related to command line arguments was changed to use wchar_t.
672
Georg Brandl52b92cc2008-05-25 09:43:03 +0000673- All backslashes in raw strings are interpreted literally. This
674 means that '\u' and '\U' escapes are not treated specially.
Benjamin Petersona2f837f2008-04-28 21:05:10 +0000675
Barry Warsaw66079cd2008-04-04 01:36:36 +0000676Extension Modules
677-----------------
678
679Library
680-------
681
Georg Brandl52b92cc2008-05-25 09:43:03 +0000682- ctypes objects now support the PEP3118 buffer interface.
Thomas Hellerb041fda2008-04-30 17:11:46 +0000683
Thomas Hellere106dc32008-04-24 18:39:36 +0000684- Issue #2682: ctypes callback functions now longer contain a cyclic
685 reference to themselves.
686
Georg Brandl52b92cc2008-05-25 09:43:03 +0000687- Issue #2058: Remove the buf attribute and add __slots__ to the
688 TarInfo class in order to reduce tarfile's memory usage.
Lars Gustäbelc2ea8c62008-04-14 10:05:48 +0000689
Martin v. Löwis8efc62c2008-04-10 19:02:25 +0000690- Bug #2606: Avoid calling .sort() on a dict_keys object.
691
Thomas Hellerbff533b2008-04-04 19:53:14 +0000692- The bundled libffi copy is now in sync with the recently released
693 libffi3.0.5 version, apart from some small changes to
694 Modules/_ctypes/libffi/configure.ac.
695
Thomas Hellerf44b9a12008-04-04 10:18:23 +0000696Build
697-----
698
Mark Dickinsonb0e2b4c2008-04-26 20:48:56 +0000699- Issue #1496032: On alpha, use -mieee when gcc is the compiler.
700
Guido van Rossumdc21db32008-04-07 18:37:41 +0000701- "make install" is now an alias for "make altinstall", to prevent
Georg Brandl52b92cc2008-05-25 09:43:03 +0000702 accidentally overwriting a Python 2.x installation. Use "make
703 fullinstall" to force Python 3.0 to be installed as "python".
Guido van Rossumdc21db32008-04-07 18:37:41 +0000704
Thomas Hellerf44b9a12008-04-04 10:18:23 +0000705- Issue #2544: On HP-UX systems, use 'gcc -shared' for linking when
706 gcc is used as compiler.
Barry Warsaw66079cd2008-04-04 01:36:36 +0000707
Georg Brandl52b92cc2008-05-25 09:43:03 +0000708
Barry Warsawa9d499d2008-03-01 18:38:07 +0000709What's New in Python 3.0a4?
710===========================
711
Barry Warsawbb5cd082008-04-02 23:33:27 +0000712*Release date: 02-Apr-2008*
Barry Warsawa9d499d2008-03-01 18:38:07 +0000713
Martin v. Löwis25931462008-03-17 20:43:42 +0000714Core and Builtins
715-----------------
716
717- Bug #2301: Don't try decoding the source code into the original
718 encoding for syntax errors.
719
Martin v. Löwis92fab752008-03-08 10:40:41 +0000720Extension Modules
721-----------------
722
Neal Norwitz6cf49cf2008-03-24 06:22:57 +0000723- The dl module was removed, use the ctypes module instead.
724
Martin v. Löwis92fab752008-03-08 10:40:41 +0000725- Use wchar_t functions in _locale module.
Barry Warsawa9d499d2008-03-01 18:38:07 +0000726
Martin v. Löwis071ef772008-03-08 11:24:24 +0000727Library
728-------
729
Georg Brandl52b92cc2008-05-25 09:43:03 +0000730- The class distutils.commands.build_py.build_py_2to3 can be used as a
731 build_py replacement to automatically run 2to3 on modules that are
732 going to be installed.
Martin v. Löwis73a22f02008-03-22 00:35:10 +0000733
Guido van Rossumf4169812008-03-17 22:56:06 +0000734- A new pickle protocol (protocol 3) is added with explicit support
735 for bytes. This is the default protocol. It intentionally cannot
736 be unpickled by Python 2.x.
737
738- When a pickle written by Python 2.x contains an (8-bit) str
739 instance, this is now decoded to a (Unicode) str instance. The
740 encoding used to do this defaults to ASCII, but can be overridden
741 via two new keyword arguments to the Unpickler class. Previously
742 this would create bytes instances, which is usually wrong: str
743 instances are often used to pickle attribute names etc., and text is
744 more common than binary data anyway.
745
Martin v. Löwis071ef772008-03-08 11:24:24 +0000746- Default to ASCII as the locale.getpreferredencoding, if the POSIX
Georg Brandl52b92cc2008-05-25 09:43:03 +0000747 system doesn't support CODESET and LANG isn't set or doesn't allow
748 deduction of an encoding.
Martin v. Löwis071ef772008-03-08 11:24:24 +0000749
Georg Brandl52b92cc2008-05-25 09:43:03 +0000750- Issue #1202: zlib.crc32 and zlib.adler32 now return an unsigned
751 value.
Gregory P. Smith425136b2008-03-17 20:45:21 +0000752
Georg Brandl52b92cc2008-05-25 09:43:03 +0000753- Issue #719888: Updated tokenize to use a bytes API. generate_tokens
754 has been renamed tokenize and now works with bytes rather than
755 strings. A new detect_encoding function has been added for
756 determining source file encoding according to PEP-0263. Token
757 sequences returned by tokenize always start with an ENCODING token
758 which specifies the encoding used to decode the file. This token is
759 used to encode the output of untokenize back to bytes.
760
Barry Warsawa9d499d2008-03-01 18:38:07 +0000761
Christian Heimesbc873412007-12-08 22:11:32 +0000762What's New in Python 3.0a3?
763===========================
764
Barry Warsaw659fc422008-03-01 17:45:23 +0000765*Release date: 29-Feb-2008*
Christian Heimesbc873412007-12-08 22:11:32 +0000766
767Core and Builtins
768-----------------
769
Georg Brandl52b92cc2008-05-25 09:43:03 +0000770- Issue #2282: io.TextIOWrapper was not overriding seekable() from
771 io.IOBase.
Ka-Ping Yeeddaa7062008-03-17 20:35:15 +0000772
Georg Brandl52b92cc2008-05-25 09:43:03 +0000773- Issue #2115: Important speedup in setting __slot__ attributes. Also
774 prevent a possible crash: an Abstract Base Class would try to access
775 a slot on a registered virtual subclass.
Christian Heimesa156e092008-02-16 07:38:31 +0000776
Georg Brandl52b92cc2008-05-25 09:43:03 +0000777- Fixed repr() and str() of complex numbers with infinity or nan as
778 real or imaginary part.
Christian Heimesa156e092008-02-16 07:38:31 +0000779
Georg Brandl52b92cc2008-05-25 09:43:03 +0000780- Clear all free list during a gc.collect() of the highest generation
781 in order to allow pymalloc to free more arenas. Python may give back
782 memory to the OS earlier.
Christian Heimesa156e092008-02-16 07:38:31 +0000783
Georg Brandl52b92cc2008-05-25 09:43:03 +0000784- Issue #2045: Fix an infinite recursion triggered when printing a
785 subclass of collections.defaultdict, if its default_factory is set
786 to a bound method.
Christian Heimesa156e092008-02-16 07:38:31 +0000787
788- Fixed a minor memory leak in dictobject.c. The content of the free
789 list was not freed on interpreter shutdown.
790
Georg Brandl52b92cc2008-05-25 09:43:03 +0000791- Limit free list of method and builtin function objects to 256
792 entries each.
Christian Heimesa156e092008-02-16 07:38:31 +0000793
Georg Brandl52b92cc2008-05-25 09:43:03 +0000794- Patch #1953: Added ``sys._compact_freelists()`` and the C API
795 functions ``PyInt_CompactFreeList`` and ``PyFloat_CompactFreeList``
Christian Heimesa156e092008-02-16 07:38:31 +0000796 to compact the internal free lists of pre-allocted ints and floats.
797
798- Bug #1983: Fixed return type of fork(), fork1() and forkpty() calls.
Georg Brandl52b92cc2008-05-25 09:43:03 +0000799 Python expected the return type int but the fork familie returns
800 pi_t.
Christian Heimesa156e092008-02-16 07:38:31 +0000801
Georg Brandl52b92cc2008-05-25 09:43:03 +0000802- Issue #1678380: Fix a bug that identifies 0j and -0j when they
803 appear in the same code unit.
Christian Heimesa156e092008-02-16 07:38:31 +0000804
Georg Brandl52b92cc2008-05-25 09:43:03 +0000805- Issue #2025: Added tuple.count() and tuple.index() methods to comply
806 with the collections.Sequence API.
Raymond Hettinger65baa342008-02-07 00:41:02 +0000807
Georg Brandl52b92cc2008-05-25 09:43:03 +0000808- Fixed multiple reinitialization of the Python interpreter. The small
809 int list in longobject.c has caused a seg fault during the third
810 finalization.
Christian Heimesdfc12ed2008-01-31 15:16:38 +0000811
Georg Brandl52b92cc2008-05-25 09:43:03 +0000812- Issue #1973: bytes.fromhex('') raised SystemError.
Christian Heimesc04dac02008-01-30 11:27:57 +0000813
Georg Brandl52b92cc2008-05-25 09:43:03 +0000814- Issue #1771: remove cmp parameter from sorted() and list.sort().
Raymond Hettinger70b64fc2008-01-30 20:15:17 +0000815
Georg Brandl52b92cc2008-05-25 09:43:03 +0000816- Issue #1969: split and rsplit in bytearray are inconsistent.
Christian Heimes7b876152008-01-30 09:51:48 +0000817
Georg Brandl52b92cc2008-05-25 09:43:03 +0000818- map() no longer accepts None for the first argument. Use zip()
819 instead.
Raymond Hettinger1dfde1d2008-01-22 23:25:35 +0000820
Facundo Batista2336bdd2008-01-19 19:12:01 +0000821- Issue #1769: Now int("- 1") is not allowed any more.
822
Georg Brandl52b92cc2008-05-25 09:43:03 +0000823- Object/longobject.c: long(float('nan')) raises an OverflowError
824 instead of returning 0.
Christian Heimes386cd1e2008-01-15 02:01:20 +0000825
Georg Brandl52b92cc2008-05-25 09:43:03 +0000826- Issue #1762972: __file__ points to the source file instead of the
827 pyc/pyo file if the py file exists.
Christian Heimes3b06e532008-01-07 20:12:44 +0000828
Guido van Rossumab078dd2008-01-06 00:09:11 +0000829- Issue #1393: object_richcompare() returns NotImplemented instead of
830 False if the objects aren't equal, to give the other side a chance.
831
Guido van Rossume239b002008-01-06 00:44:20 +0000832- Issue #1692: Interpreter was not displaying location of SyntaxError.
Kurt B. Kaiser43b15092008-01-05 04:32:22 +0000833
Georg Brandl52b92cc2008-05-25 09:43:03 +0000834- Improve some exception messages when Windows fails to load an
835 extension module. Now we get for example '%1 is not a valid Win32
836 application' instead of 'error code 193'. Also use Unicode strings
837 to deal with non-English locales.
Amaury Forgeot d'Arcbccd63c2008-01-04 01:21:27 +0000838
Georg Brandl52b92cc2008-05-25 09:43:03 +0000839- Issue #1587: Added instancemethod wrapper for PyCFunctions. The
840 Python C API has gained a new type *PyInstanceMethod_Type* and the
841 functions *PyInstanceMethod_Check(o)*, *PyInstanceMethod_New(func)*
842 and *PyInstanceMethod_Function(im)*.
Christian Heimesa3534a62007-12-11 19:56:40 +0000843
Georg Brandl52b92cc2008-05-25 09:43:03 +0000844- Constants gc.DEBUG_OBJECT and gc.DEBUG_INSTANCE have been removed
845 from the gc module; gc.DEBUG_COLLECTABLE or gc.DEBUG_UNCOLLECTABLE
846 are now enough to print the corresponding list of objects considered
847 by the garbage collector.
Amaury Forgeot d'Arcad8dcd52007-12-10 23:58:35 +0000848
Georg Brandl52b92cc2008-05-25 09:43:03 +0000849- Issue #1573: Improper use of the keyword-only syntax makes the
850 parser crash.
Christian Heimesbc873412007-12-08 22:11:32 +0000851
Georg Brandl52b92cc2008-05-25 09:43:03 +0000852- Issue #1564: The set implementation should special-case PyUnicode
853 instead of PyString.
Christian Heimes0ded5b52007-12-10 15:50:56 +0000854
Guido van Rossumea6775b2008-02-21 20:16:31 +0000855- Patch #1031213: Decode source line in SyntaxErrors back to its
856 original source encoding.
Christian Heimes7131fd92008-02-19 14:21:46 +0000857
Christian Heimes09aaa882008-02-23 15:01:06 +0000858- inspect.getsource() includes the decorators again.
859
Guido van Rossumea6775b2008-02-21 20:16:31 +0000860- Bug #1713: posixpath.ismount() claims symlink to a mountpoint is a
861 mountpoint.
Christian Heimes7131fd92008-02-19 14:21:46 +0000862
Georg Brandl52b92cc2008-05-25 09:43:03 +0000863- Fix utf-8-sig incremental decoder, which didn't recognise a BOM when
864 the first chunk fed to the decoder started with a BOM, but was
865 longer than 3 bytes.
Christian Heimes7131fd92008-02-19 14:21:46 +0000866
Christian Heimesbc873412007-12-08 22:11:32 +0000867Extension Modules
868-----------------
869
Georg Brandl52b92cc2008-05-25 09:43:03 +0000870- Code for itertools ifilter(), imap(), and izip() moved to bultins
871 and renamed to filter(), map(), and zip(). Also, renamed
872 izip_longest() to zip_longest() and ifilterfalse() to filterfalse().
Raymond Hettinger736c0ab2008-03-13 02:09:15 +0000873
Georg Brandl52b92cc2008-05-25 09:43:03 +0000874- Issue #1762972: Readded the reload() function as imp.reload().
Guido van Rossumea6775b2008-02-21 20:16:31 +0000875
Georg Brandl52b92cc2008-05-25 09:43:03 +0000876- Bug #2111: mmap segfaults when trying to write a block opened with
877 PROT_READ.
Christian Heimesa156e092008-02-16 07:38:31 +0000878
Georg Brandl52b92cc2008-05-25 09:43:03 +0000879- Issue #2063: correct order of utime and stime in os.times() result
880 on Windows.
Christian Heimes7131fd92008-02-19 14:21:46 +0000881
Christian Heimesbc873412007-12-08 22:11:32 +0000882Library
883-------
884
Raymond Hettinger48b8b662008-02-05 01:53:00 +0000885- Weakref dictionaries now inherit from MutableMapping.
Raymond Hettinger48b8b662008-02-05 01:53:00 +0000886
Georg Brandl52b92cc2008-05-25 09:43:03 +0000887- Created new UserDict class in collections module. This one inherits
888 from and complies with the MutableMapping ABC. Also, moved
889 UserString and UserList to the collections module. The
890 MutableUserString class was removed.
Raymond Hettinger48b8b662008-02-05 01:53:00 +0000891
Guido van Rossumea6775b2008-02-21 20:16:31 +0000892- Removed UserDict.DictMixin. Replaced all its uses with
893 collections.MutableMapping.
Raymond Hettingeredf3b732008-02-04 22:07:15 +0000894
Guido van Rossume239b002008-01-06 00:44:20 +0000895- Issue #1703: getpass() should flush after writing prompt.
Christian Heimesfc5aa9d2007-12-11 09:00:01 +0000896
Guido van Rossume239b002008-01-06 00:44:20 +0000897- Issue #1585: IDLE uses non-existent xrange() function.
898
899- Issue #1578: Problems in win_getpass.
900
Georg Brandl52d168a2008-01-07 18:10:24 +0000901Build
902-----
903
Georg Brandl52b92cc2008-05-25 09:43:03 +0000904- Renamed --enable-unicode configure flag to --with-wide-unicode,
905 since Unicode strings can't be disabled anymore.
Georg Brandl52d168a2008-01-07 18:10:24 +0000906
Guido van Rossume239b002008-01-06 00:44:20 +0000907C API
908-----
909
910- Issue #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE,
911 Py_TYPE and Py_REFCNT.
912
Georg Brandl52b92cc2008-05-25 09:43:03 +0000913- New API PyImport_ImportModuleNoBlock(), works like
914 PyImport_ImportModule() but won't block on the import lock
915 (returning an error instead).
Christian Heimes0ec88b32007-12-10 17:02:00 +0000916
Christian Heimesbc873412007-12-08 22:11:32 +0000917
Fred Drake0e474a82007-10-11 18:01:43 +0000918What's New in Python 3.0a2?
Christian Heimesbc873412007-12-08 22:11:32 +0000919===========================
Fred Drake0e474a82007-10-11 18:01:43 +0000920
Guido van Rossum99533a92007-12-06 05:07:41 +0000921*Release date: 07-Dec-2007*
922
923(Note: this list is incomplete.)
Fred Drake0e474a82007-10-11 18:01:43 +0000924
Guido van Rossum40d20bc2007-10-22 00:09:51 +0000925Core and Builtins
926-----------------
927
Brett Cannon37f7e6e2007-10-26 05:42:09 +0000928- str8 now has the same construction signature as bytes.
929
Georg Brandl52b92cc2008-05-25 09:43:03 +0000930- Comparisons between str and str8 now return False/True for ==/!=.
931 sqlite3 returns str8 when recreating on object from it's __conform__
932 value. The struct module returns str8 for all string-related
933 formats. This was true before this change, but becomes more
934 apparent thanks to string comparisons always being False.
Brett Cannon40430012007-10-22 20:24:51 +0000935
Georg Brandl52b92cc2008-05-25 09:43:03 +0000936- Replaced `PyFile_FromFile()` with `PyFile_FromFd(fd, name. mode,
937 buffer, encoding, newline)`.
Guido van Rossum40d20bc2007-10-22 00:09:51 +0000938
939- Fixed `imp.find_module()` to obey the -*- coding: -*- header.
940
941- Changed `__file__` and `co_filename` to unicode. The path names are decoded
Antoine Pitrou6e1df8d2008-07-25 19:58:18 +0000942 with `Py_FileSystemDefaultEncoding` and a new API method
Guido van Rossum40d20bc2007-10-22 00:09:51 +0000943 `PyUnicode_DecodeFSDefault(char*)` was added.
944
Georg Brandl52b92cc2008-05-25 09:43:03 +0000945- io.open() and _fileio.FileIO have grown a new argument closefd. A
946 false value disables the closing of the file descriptor.
Guido van Rossum2dced8b2007-10-30 17:27:30 +0000947
Georg Brandl52b92cc2008-05-25 09:43:03 +0000948- Added a new option -b to issues warnings (-bb for errors) about
949 certain operations between bytes/buffer and str like str(b'') and
950 comparison.
Guido van Rossum98297ee2007-11-06 21:34:58 +0000951
Georg Brandl52b92cc2008-05-25 09:43:03 +0000952- The standards streams sys.stdin, stdout and stderr may be None when
953 the when the C runtime library returns an invalid file descriptor
954 for the streams (fileno(stdin) < 0). For now this happens only for
955 Windows GUI apps and scripts started with `pythonw.exe`.
Christian Heimes58cb1b82007-11-13 02:19:40 +0000956
Christian Heimesbce52be2007-11-17 19:08:41 +0000957- Added PCbuild9 directory for VS 2008.
958
Georg Brandl52b92cc2008-05-25 09:43:03 +0000959- Renamed structmember.h WRITE_RESTRICTED to PY_WRITE_RESTRICTED to
960 work around a name clash with VS 2008 on Windows.
Christian Heimesbce52be2007-11-17 19:08:41 +0000961
Georg Brandl52b92cc2008-05-25 09:43:03 +0000962- Unbound methods are gone for good. ClassObject.method returns an
963 ordinary function object, instance.method still returns a bound
964 method object. The API of bound methods is cleaned up, too. The
965 im_class attribute is removed and im_func + im_self are renamed to
966 __func__ and __self__. The factory PyMethod_New takes only func and
967 instance as argument.
Christian Heimesff737952007-11-27 10:40:20 +0000968
Georg Brandl52b92cc2008-05-25 09:43:03 +0000969- intobject.h is no longer included by Python.h. The remains were
970 moved to longobject.h. It still exists to define several aliases
971 from PyInt_ to PyLong_ functions.
Christian Heimesf78b1c62007-12-02 16:52:32 +0000972
Christian Heimesa37d4c62007-12-04 23:02:19 +0000973- Removed sys.maxint, use sys.maxsize instead.
974
Fred Drake0e474a82007-10-11 18:01:43 +0000975Extension Modules
976-----------------
977
978- The `hotshot` profiler has been removed; use `cProfile` instead.
979
Brett Cannone9fd2312007-10-12 19:18:19 +0000980Library
981-------
982
Georg Brandl52b92cc2008-05-25 09:43:03 +0000983- When loading an external file using testfile(), the passed-in
984 encoding argument was being ignored if __loader__ is defined and
985 forcing the source to be UTF-8.
Brett Cannone9fd2312007-10-12 19:18:19 +0000986
Georg Brandl52b92cc2008-05-25 09:43:03 +0000987- The methods `os.tmpnam()`, `os.tempnam()` and `os.tmpfile()` have
988 been removed in favor of the tempfile module.
Guido van Rossum687b9c02007-10-25 23:18:51 +0000989
Christian Heimesc9543e42007-11-28 08:28:28 +0000990- Removed the 'new' module.
991
Georg Brandl52b92cc2008-05-25 09:43:03 +0000992- Removed all types from the 'types' module that are easily accessable
993 through builtins.
Brett Cannone9fd2312007-10-12 19:18:19 +0000994
Georg Brandl52d168a2008-01-07 18:10:24 +0000995
Guido van Rossum4405cf32007-08-30 17:16:55 +0000996What's New in Python 3.0a1?
Guido van Rossum45aecf42006-03-15 04:58:47 +0000997==========================
Thomas Wouters4d70c3d2006-06-08 14:42:34 +0000998
Guido van Rossum4405cf32007-08-30 17:16:55 +0000999*Release date: 31-Aug-2007*
Neal Norwitz4886cc32006-08-21 17:06:07 +00001000
1001Core and Builtins
1002-----------------
1003
Martin v. Löwis47383402007-08-15 07:32:56 +00001004- PEP 3131: Support non-ASCII identifiers.
1005
Martin v. Löwis447d33e2007-07-29 18:10:01 +00001006- PEP 3120: Change default encoding to UTF-8.
1007
Martin v. Löwis9f2e3462007-07-21 17:22:18 +00001008- PEP 3123: Use proper C inheritance for PyObject.
1009
Guido van Rossumcd16bf62007-06-13 18:07:49 +00001010- Removed the __oct__ and __hex__ special methods and added a bin()
1011 builtin function.
1012
Georg Brandl52b92cc2008-05-25 09:43:03 +00001013- PEP 3127: octal literals now start with "0o". Old-style octal
1014 literals are invalid. There are binary literals with a prefix of
1015 "0b". This also affects int(x, 0).
Guido van Rossumcd16bf62007-06-13 18:07:49 +00001016
Guido van Rossume7ba4952007-06-06 23:52:48 +00001017- None, True, False are now keywords.
1018
Guido van Rossum29478ef2007-05-29 00:39:44 +00001019- PEP 3119: isinstance() and issubclass() can be overridden.
1020
Guido van Rossumebe3e162007-05-17 18:20:34 +00001021- Remove BaseException.message.
1022
Guido van Rossum1bc535d2007-05-15 18:46:22 +00001023- Remove tuple parameter unpacking (PEP 3113).
1024
Georg Brandl52b92cc2008-05-25 09:43:03 +00001025- Remove the f_restricted attribute from frames. This naturally leads
1026 to the removal of PyEval_GetRestricted() and PyFrame_IsRestricted().
Guido van Rossuma8add0e2007-05-14 22:03:55 +00001027
Georg Brandl52b92cc2008-05-25 09:43:03 +00001028- PEP 3132 was accepted. That means that you can do ``a, *b =
1029 range(5)`` to assign 0 to a and [1, 2, 3, 4] to b.
Guido van Rossum0368b722007-05-11 16:50:42 +00001030
Georg Brandl52b92cc2008-05-25 09:43:03 +00001031- range() now returns an iterator rather than a list. Floats are not
1032 allowed. xrange() is no longer defined.
Guido van Rossum805365e2007-05-07 22:24:25 +00001033
Nick Coghlan650f0d02007-04-15 12:05:43 +00001034- Patch #1660500: hide iteration variable in list comps, add set comps
Georg Brandl52b92cc2008-05-25 09:43:03 +00001035 and use common code to handle compilation of iterative expressions.
Nick Coghlan650f0d02007-04-15 12:05:43 +00001036
Guido van Rossume27dc722007-03-27 22:37:34 +00001037- By default, != returns the opposite of ==, unless the latter returns
1038 NotImplemented.
1039
Georg Brandl52b92cc2008-05-25 09:43:03 +00001040- Patch #1680961: sys.exitfunc has been removed and replaced with a
1041 private C-level API.
Collin Winter670e6922007-03-21 02:57:17 +00001042
Georg Brandl801dd732007-03-18 20:18:31 +00001043- PEP 3115: new metaclasses: the metaclass is now specified as a
Georg Brandl52b92cc2008-05-25 09:43:03 +00001044 keyword arg in the class statement, which can now use the full
1045 syntax of a parameter list. Also, the metaclass can implement a
1046 __prepare__ function which will be called to create the dictionary
1047 for the new class namespace.
Georg Brandl801dd732007-03-18 20:18:31 +00001048
Georg Brandl428f0642007-03-18 18:35:15 +00001049- The long-deprecated argument "pend" of PyFloat_FromString() has been
1050 removed.
1051
Georg Brandle32b4222007-03-10 22:13:27 +00001052- The dir() function has been extended to call the __dir__() method on
Georg Brandl52b92cc2008-05-25 09:43:03 +00001053 its argument, if it exists. If not, it will work like before. This
1054 allows customizing the output of dir() in the presence of a
1055 __getattr__().
Brett Cannonba7bf492007-02-27 00:15:55 +00001056
Neal Norwitz8dfc4a92007-08-11 06:39:53 +00001057- Removed support for __members__ and __methods__.
1058
Georg Brandle32b4222007-03-10 22:13:27 +00001059- Removed indexing/slicing on BaseException.
Neal Norwitz2633c692007-02-26 22:22:47 +00001060
Georg Brandle32b4222007-03-10 22:13:27 +00001061- input() became raw_input(): the name input() now implements the
Georg Brandl52b92cc2008-05-25 09:43:03 +00001062 functionality formerly known as raw_input(); the name raw_input() is
1063 no longer defined.
Guido van Rossum0240b922007-02-26 21:23:50 +00001064
Georg Brandl52b92cc2008-05-25 09:43:03 +00001065- Classes listed in an 'except' clause must inherit from
1066 BaseException.
Brett Cannonf74225d2007-02-26 21:10:16 +00001067
Guido van Rossumcc2b0162007-02-11 06:12:03 +00001068- PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossumcf1be882007-08-30 22:07:17 +00001069 and .keys(), .items(), .values() return dict views, which behave
1070 like sets.
Guido van Rossumcc2b0162007-02-11 06:12:03 +00001071
Guido van Rossum8b545362007-02-09 23:52:14 +00001072- PEP 3105: print is now a function. Also (not in the PEP) the
Georg Brandl52b92cc2008-05-25 09:43:03 +00001073 'softspace' attribute of files is now gone (since print() doesn't
1074 use it). A side effect of this change is that you can get
1075 incomplete output lines in interactive sessions:
Guido van Rossum8b545362007-02-09 23:52:14 +00001076
1077 >>> print(42, end="")
Kurt B. Kaiser2c7f3142007-08-30 21:52:19 +00001078 42>>>
Guido van Rossum8b545362007-02-09 23:52:14 +00001079
1080 We may be able to fix this after the I/O library rewrite.
Guido van Rossum4502c802007-02-09 05:42:38 +00001081
Brett Cannon398db8b2007-01-29 23:44:37 +00001082- PEP 3102: keyword-only arguments.
1083
Georg Brandl52b92cc2008-05-25 09:43:03 +00001084- Int/Long unification is complete. The 'long' built-in type and
1085 literals with trailing 'L' or 'l' have been removed. Performance
1086 may be sub-optimal (haven't really benchmarked).
Guido van Rossumab186842007-01-14 03:42:30 +00001087
1088- 'except E, V' must now be spelled as 'except E as V' and deletes V
1089 at the end of the except clause; V must be a simple name.
1090
Neal Norwitzc1505362006-12-28 06:47:50 +00001091- Added function annotations per PEP 3107.
1092
Georg Brandl52b92cc2008-05-25 09:43:03 +00001093- Added nonlocal declaration from PEP 3104:
Jeremy Hyltona4f9fc62007-02-27 15:53:28 +00001094
1095 >>> def f(x):
1096 ... def inc():
1097 ... nonlocal x
1098 ... x += 1
1099 ... return x
1100 ... return inc
1101 ...
1102 >>> inc = f(0)
1103 >>> inc()
1104 1
1105 >>> inc()
1106 2
1107
Georg Brandl66a796e2006-12-19 20:50:34 +00001108- Moved intern() to sys.intern().
1109
1110- exec is now a function.
1111
1112- Renamed nb_nonzero to nb_bool and __nonzero__ to __bool__.
Jack Diederich4dafcc42006-11-28 19:15:13 +00001113
Neal Norwitz4886cc32006-08-21 17:06:07 +00001114- Classic classes are a thing of the past. All classes are new style.
1115
1116- Exceptions *must* derive from BaseException.
1117
1118- Integer division always returns a float. The -Q option is no more.
1119 All the following are gone:
1120 * PyNumber_Divide and PyNumber_InPlaceDivide
1121 * __div__, __rdiv__, and __idiv__
1122 * nb_divide, nb_inplace_divide
1123 * operator.div, operator.idiv, operator.__div__, operator.__idiv__
1124 (Only __truediv__ and __floordiv__ remain, not sure how to handle them
1125 if we want to re-use __div__ and friends. If we do, it will make
1126 it harder to write code for both 2.x and 3.x.)
1127
1128- 'as' and 'with' are keywords.
1129
1130- Absolute import is the default behavior for 'import foo' etc.
1131
Georg Brandl52b92cc2008-05-25 09:43:03 +00001132- Removed support for syntax: backticks (ie, `x`), <>.
Neal Norwitz378b2c92006-08-29 07:57:22 +00001133
Georg Brandl52b92cc2008-05-25 09:43:03 +00001134- Removed these Python builtins: apply(), callable(), coerce(),
1135 execfile(), file(), reduce(), reload().
Neal Norwitz4886cc32006-08-21 17:06:07 +00001136
Georg Brandl52b92cc2008-05-25 09:43:03 +00001137- Removed these Python methods: {}.has_key.
Neal Norwitz378b2c92006-08-29 07:57:22 +00001138
Georg Brandl52b92cc2008-05-25 09:43:03 +00001139- Removed these opcodes: BINARY_DIVIDE, INPLACE_DIVIDE, UNARY_CONVERT.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001140
1141- Remove C API support for restricted execution.
1142
Guido van Rossumcf1be882007-08-30 22:07:17 +00001143- zip(), map() and filter() now return iterators, behaving like their
Georg Brandl52b92cc2008-05-25 09:43:03 +00001144 itertools counterparts. This also affect map()'s behavior on
Guido van Rossumcf1be882007-08-30 22:07:17 +00001145 sequences of unequal length -- it now stops after the shortest one
1146 is exhausted.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001147
Georg Brandl52b92cc2008-05-25 09:43:03 +00001148- Additions: set literals, set comprehensions, ellipsis literal.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001149
1150- Added class decorators per PEP 3129.
1151
1152
1153Extension Modules
1154-----------------
1155
Georg Brandl52b92cc2008-05-25 09:43:03 +00001156- Removed the imageop module. Obsolete long with its unit tests
1157 becoming useless from the removal of rgbimg and imgfile.
Neal Norwitz4886cc32006-08-21 17:06:07 +00001158
Georg Brandl52b92cc2008-05-25 09:43:03 +00001159- Removed these attributes from the operator module: div, idiv,
1160 __div__, __idiv__, isCallable, sequenceIncludes.
1161
1162- Removed these attributes from the sys module: exc_clear(), exc_type,
1163 exc_value, exc_traceback.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001164
1165
1166Library
1167-------
1168
Georg Brandl52b92cc2008-05-25 09:43:03 +00001169- Removed the compiler package. Use of the _ast module and (an
1170 eventual) AST -> bytecode mechanism.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001171
Georg Brandl52b92cc2008-05-25 09:43:03 +00001172- Removed these modules: audiodev, Bastion, bsddb185, exceptions,
1173 linuxaudiodev, md5, MimeWriter, mimify, popen2, rexec, sets, sha,
1174 stringold, strop, sunaudiodev, timing, xmllib.
Guido van Rossum33d26892007-08-05 15:29:28 +00001175
Georg Brandl52b92cc2008-05-25 09:43:03 +00001176- Moved the toaiff module to Tools/Demos.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001177
Georg Brandl52b92cc2008-05-25 09:43:03 +00001178- Removed obsolete IRIX modules: al/AL, cd/CD, cddb, cdplayer, cl/CL,
1179 DEVICE, ERRNO, FILE, fl/FL, flp, fm, GET, gl/GL, GLWS, IN, imgfile,
1180 IOCTL, jpeg, panel, panelparser, readcd, sgi, sv/SV, torgb, WAIT.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001181
Georg Brandl52b92cc2008-05-25 09:43:03 +00001182- Removed obsolete functions: commands.getstatus(), os.popen*().
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001183
Georg Brandl52b92cc2008-05-25 09:43:03 +00001184- Removed functions in the string module that are also string methods;
Martin v. Löwis967f1e32007-08-14 09:23:10 +00001185 Remove string.{letters, lowercase, uppercase}.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001186
Georg Brandl52b92cc2008-05-25 09:43:03 +00001187- Removed support for long obsolete platforms: plat-aix3, plat-irix5.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001188
Georg Brandl52b92cc2008-05-25 09:43:03 +00001189- Removed xmlrpclib.SlowParser. It was based on xmllib.
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001190
1191- Patch #1680961: atexit has been reimplemented in C.
1192
Walter Dörwald41980ca2007-08-16 21:55:45 +00001193- Add new codecs for UTF-32, UTF-32-LE and UTF-32-BE.
1194
Guido van Rossumd59da4b2007-05-22 18:11:13 +00001195Build
1196-----
1197
1198C API
1199-----
1200
Georg Brandl52b92cc2008-05-25 09:43:03 +00001201- Removed these Python slots: __coerce__, __div__, __idiv__, __rdiv__.
Neal Norwitz4886cc32006-08-21 17:06:07 +00001202
Georg Brandl52b92cc2008-05-25 09:43:03 +00001203- Removed these C APIs: PyNumber_Coerce(), PyNumber_CoerceEx(),
1204 PyMember_Get, PyMember_Set.
Neal Norwitz4886cc32006-08-21 17:06:07 +00001205
Georg Brandl52b92cc2008-05-25 09:43:03 +00001206- Removed these C slots/fields: nb_divide, nb_inplace_divide.
Neal Norwitz4886cc32006-08-21 17:06:07 +00001207
Georg Brandl52b92cc2008-05-25 09:43:03 +00001208- Removed these macros: staticforward, statichere, PyArg_GetInt,
1209 PyArg_NoArgs, _PyObject_Del.
Neal Norwitz4886cc32006-08-21 17:06:07 +00001210
Georg Brandl52b92cc2008-05-25 09:43:03 +00001211- Removed these typedefs: intargfunc, intintargfunc, intobjargproc,
1212 intintobjargproc, getreadbufferproc, getwritebufferproc,
1213 getsegcountproc, getcharbufferproc, memberlist.
Raymond Hettinger4901a1f2004-12-02 08:59:14 +00001214
Raymond Hettinger4901a1f2004-12-02 08:59:14 +00001215Tests
1216-----
1217
Brett Cannone7a30f72008-03-03 03:36:27 +00001218- Removed test.testall as test.regrtest replaces it.
1219
Brett Cannonced04e02005-02-13 22:53:22 +00001220Documentation
1221-------------
1222
Raymond Hettinger4901a1f2004-12-02 08:59:14 +00001223Mac
1224---
1225
Georg Brandl52b92cc2008-05-25 09:43:03 +00001226- The cfmfile module was removed.
Guido van Rossume7ba4952007-06-06 23:52:48 +00001227
Guido van Rossum845702c2007-08-30 18:44:53 +00001228Platforms
1229---------
1230
1231- Support for BeOS and AtheOS was removed (according to PEP 11).
1232
1233- Support for RiscOS, Irix, Tru64 was removed (alledgedly).
1234
Raymond Hettinger4901a1f2004-12-02 08:59:14 +00001235Tools/Demos
1236-----------
1237
Georg Brandl52b92cc2008-05-25 09:43:03 +00001238
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +00001239**(For information about older versions, consult the HISTORY file.)**