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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
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +00007What's new in Python 3.0b2?
8===========================
9
10*Release date: XX-XXX-2008*
11
12Core and Builtins
13-----------------
14
Amaury Forgeot d'Arca4db6862008-07-04 21:26:43 +000015- Issue #3280: like chr(), the "%c" format now accepts unicode code points
16 beyond the Basic Multilingual Plane (above 0xffff) on all configurations. On
17 "narrow Unicode" builds, the result is a string of 2 code units, forming a
18 UTF-16 surrogate pair.
19
Georg Brandld52429f2008-07-04 15:55:02 +000020- Issue #3282: str.isprintable() should return False for undefined
21 Unicode characters.
22
Martin v. Löwis029656f2008-06-30 04:06:08 +000023- Issue #3236: Return small longs from PyLong_FromString.
24
Benjamin Petersone6528212008-07-15 15:32:09 +000025- Exception tracebacks now support exception chaining.
26
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +000027Library
28-------
29
Thomas Heller0261e1e2008-07-15 17:25:07 +000030- Issue #3258: Fixed a crash when a ctypes POINTER type to an
31 incomplete structure was created.
32
Georg Brandl1abcbf82008-07-01 19:28:43 +000033- Issue #2683: Fix inconsistency in subprocess.Popen.communicate(): the
34 argument now must be a bytes object in any case.
35
Amaury Forgeot d'Arc9196dc62008-06-19 20:54:32 +000036- Issue #3145: help("modules whatever") failed when trying to load the source
37 code of every single module of the standard library, including invalid files
38 used in the test suite.
39
Benjamin Peterson801844d2008-07-14 14:32:15 +000040- All the u* variant functions and methods in gettext have been renamed to their
41 none u* siblings.
42
Benjamin Petersone6528212008-07-15 15:32:09 +000043- The traceback module has been expanded to handle chained exceptions.
44
Amaury Forgeot d'Arc612f61f2008-07-02 23:02:21 +000045C API
46-----
47
48- Issue #3247: the function Py_FindMethod was removed. Modern types should
49 use the tp_methods slot instead.
50
Benjamin Petersonde9c8692008-07-01 18:23:09 +000051Tools/Demos
52-----------
53
Georg Brandl336341f2008-07-01 20:21:28 +000054- The Mac/Demos directory has been removed.
Benjamin Petersonde9c8692008-07-01 18:23:09 +000055
Georg Brandl336341f2008-07-01 20:21:28 +000056- All of the Mac scripts have been removed (including BuildApplet.py).
Benjamin Petersonde9c8692008-07-01 18:23:09 +000057
58
Brett Cannon0d71ee72008-05-08 18:13:40 +000059What's new in Python 3.0b1?
60===========================
61
Barry Warsawc1e689e2008-06-19 00:35:43 +000062*Release date: 18-Jun-2008*
Brett Cannon0d71ee72008-05-08 18:13:40 +000063
64Core and Builtins
65-----------------
66
Brett Cannondb734912008-06-27 00:52:15 +000067- Issue #3211: warnings.warn_explicit() did not guard against its 'registry'
68 argument being anything other than a dict or None. Also fixed a bug in error
69 handling when 'message' and 'category' were both set to None, triggering a
70 bus error.
71
Amaury Forgeot d'Arcc856c7a2008-06-16 19:50:09 +000072- Issue #3100: Corrected a crash on deallocation of a subclassed weakref which
73 holds the last (strong) reference to its referent.
74
Georg Brandl559e5d72008-06-11 18:37:52 +000075- Issue #2630: implement PEP 3138. repr() now returns printable
76 Unicode characters unescaped, to get an ASCII-only representation
77 of an object use ascii().
78
Amaury Forgeot d'Arcf1ca0b12008-06-11 17:40:47 +000079- Issue #1342: On windows, Python could not start when installed in a
80 directory with non-ascii characters.
81
Martin v. Löwis1a214512008-06-11 05:26:20 +000082- Implement PEP 3121: new module initialization and finalization API.
83
Georg Brandle1b5ac62008-06-04 13:06:58 +000084- Removed the already-defunct ``-t`` option.
85
Amaury Forgeot d'Arc74c71f52008-05-26 21:41:42 +000086- Issue #2957: Corrected a ValueError "recursion limit exceeded", when
87 unmarshalling many code objects, which happens when importing a
88 large .pyc file (~1000 functions).
89
Georg Brandl52b92cc2008-05-25 09:43:03 +000090- Issue #2963: fix merging oversight that disabled method cache for
91 all types.
Georg Brandl1bcf35a2008-05-25 09:32:09 +000092
Georg Brandlc9b09532008-05-25 09:24:38 +000093- Issue #2964: fix a missing INCREF in instancemethod_descr_get.
94
Georg Brandl52b92cc2008-05-25 09:43:03 +000095- Issue #2895: Don't crash when given bytes objects as keyword names.
Georg Brandld8b690f2008-05-16 17:28:50 +000096
Georg Brandl52b92cc2008-05-25 09:43:03 +000097- Issue #2798: When parsing arguments with PyArg_ParseTuple, the "s"
98 code now allows any unicode string and returns a utf-8 encoded
99 buffer, just like the "s#" code already does. The "z" code was
100 corrected as well.
Amaury Forgeot d'Arc07404592008-05-12 13:19:07 +0000101
Georg Brandl52b92cc2008-05-25 09:43:03 +0000102- Issue #2863: generators now have a ``gen.__name__`` attribute that
103 equals ``gen.gi_code.co_name``, like ``func.__name___`` that equals
104 ``func.func_code.co_name``. The repr() of a generator now also
105 contains this name.
Alexandre Vassalottie9f305f2008-05-16 04:39:54 +0000106
107- Issue #2831: enumerate() now has a ``start`` argument.
108
Georg Brandl52b92cc2008-05-25 09:43:03 +0000109- Issue #2801: fix bug in the float.is_integer method where a
110 ValueError was sometimes incorrectly raised.
Mark Dickinsonc4352b02008-05-09 13:55:01 +0000111
Georg Brandl52b92cc2008-05-25 09:43:03 +0000112- The ``--with-toolbox-glue`` option (and the associated
113 pymactoolbox.h) have been removed.
Benjamin Peterson79629ab2008-05-14 21:07:12 +0000114
Georg Brandl52b92cc2008-05-25 09:43:03 +0000115- Issue #2196: hasattr() now lets exceptions which do not inherit
116 Exception (KeyboardInterrupt, and SystemExit) propagate instead of
117 ignoring them.
Alexandre Vassalottieca20b62008-05-16 02:54:33 +0000118
Benjamin Petersoneec3d712008-06-11 15:59:43 +0000119- #3021 Exception reraising sematics have been significantly improved. However,
120 f_exc_type, f_exc_value, and f_exc_traceback cannot be accessed from Python
121 code anymore.
122
Benjamin Peterson4f92ca42008-06-11 20:21:57 +0000123- Three of PyNumberMethods' members, nb_coerce, nb_hex, and nb_oct, have been
124 removed.
125
Brett Cannon0d71ee72008-05-08 18:13:40 +0000126Extension Modules
127-----------------
128
Georg Brandl38feaf02008-05-25 07:45:51 +0000129- Renamed ``_winreg`` module to ``winreg``.
130
Georg Brandl52b92cc2008-05-25 09:43:03 +0000131- Support os.O_ASYNC and fcntl.FASYNC if the constants exist on the
132 platform.
Alexandre Vassalottibee32532008-05-16 18:15:12 +0000133
134- Support for Windows 9x has been removed from the winsound module.
135
Georg Brandl52b92cc2008-05-25 09:43:03 +0000136- Issue #2870: cmathmodule.c compile error.
Alexandre Vassalottieca20b62008-05-16 02:54:33 +0000137
Brett Cannon0d71ee72008-05-08 18:13:40 +0000138Library
139-------
140
Amaury Forgeot d'Arccb0d2d72008-06-18 22:19:22 +0000141- Patch #3133: http.server.CGIHTTPRequestHandler did not work on windows.
142
Jeremy Hylton1afc1692008-06-18 20:49:58 +0000143- a new ``urllib`` package was created. It consists of code from
144 ``urllib``, ``urllib2``, ``urlparse``, and ``robotparser``. The old
145 modules have all been removed. The new package has five submodules:
146 ``urllib.parse``, ``urllib.request``, ``urllib.response``,
147 ``urllib.error``, and ``urllib.robotparser``. The
148 ``urllib.request.urlopen()`` function uses the url opener from
149 ``urllib2``. (Note that the unittests have not been renamed for the
150 beta, but they will be renamed in the future.)
151
Benjamin Petersona0c0a4a2008-06-12 22:15:50 +0000152- rfc822 has been removed in favor of the email package.
153
Benjamin Peterson425ea7f2008-06-12 14:11:35 +0000154- mimetools has been removed in favor of the email package.
Benjamin Peterson23c51a22008-06-12 14:06:57 +0000155
Barry Warsawf5019422008-06-12 02:42:00 +0000156- Patch #2849: Remove use of rfc822 module from standard library.
157
Alexandre Vassalotti794652d2008-06-11 22:58:36 +0000158- Added C optimized implementation of io.StringIO.
159
Alexandre Vassalottica2d6102008-06-12 18:26:05 +0000160- The ``pickle`` module is now automatically use an optimized C
161 implementation of Pickler and Unpickler when available. The
162 ``cPickle`` module is no longer needed.
163
Georg Brandl877b10a2008-06-01 21:25:55 +0000164- Removed the ``htmllib`` and ``sgmllib`` modules.
165
Georg Brandl61013952008-05-28 15:56:30 +0000166- The deprecated ``SmartCookie`` and ``SimpleCookie`` classes have
167 been removed from ``http.cookies``.
168
Brett Cannona23810f2008-05-26 19:04:21 +0000169- The ``commands`` module has been removed. Its getoutput() and
170 getstatusoutput() functions have been moved to the ``subprocess`` module.
171
Georg Brandl3d5c4252008-05-26 18:03:26 +0000172- The ``http`` package was created; it contains the old ``httplib``
173 as ``http.client``, ``Cookie`` as ``http.cookies``, ``cookielib``
174 as ``http.cookiejar``, and the content of the three ``HTTPServer``
175 modules as ``http.server``.
176
Georg Brandl38eceaa2008-05-26 11:14:17 +0000177- The ``xmlrpc`` package was created; it contains the old
178 ``xmlrpclib`` module as ``xmlrpc.client`` and the content of
179 the old ``SimpleXMLRPCServer`` and ``DocXMLRPCServer`` modules
180 as ``xmlrpc.server``.
181
182- The ``dbm`` package was created, containing the old modules
183 ``anydbm`` and ``whichdb`` in its ``__init__.py``, and having
184 ``dbm.gnu`` (was ``gdbm``), ``dbm.bsd`` (was ``dbhash``),
185 ``dbm.ndbm`` (was ``dbm``) and ``dbm.dumb`` (was ``dumbdbm``)
186 as submodules.
187
Georg Brandl52b92cc2008-05-25 09:43:03 +0000188- The ``repr`` module has been renamed to ``reprlib``.
Alexandre Vassalotti1f2ba4b2008-05-16 07:12:44 +0000189
Georg Brandl52b92cc2008-05-25 09:43:03 +0000190- The ``statvfs`` module has been removed.
Brett Cannonacbb7862008-05-16 00:42:57 +0000191
Georg Brandl52b92cc2008-05-25 09:43:03 +0000192- Issue #1713041: fix pprint's handling of maximum depth.
Alexandre Vassalottieca20b62008-05-16 02:54:33 +0000193
Georg Brandl52b92cc2008-05-25 09:43:03 +0000194- Issue #2250: Exceptions raised during evaluation of names in
195 rlcompleter's ``Completer.complete()`` method are now caught and
196 ignored.
Alexandre Vassalotti8ae3e052008-05-16 00:41:41 +0000197
Georg Brandl52b92cc2008-05-25 09:43:03 +0000198- Patch #2659: Added ``break_on_hyphens`` option to textwrap's
199 ``TextWrapper`` class.
Alexandre Vassalotti1d1eaa42008-05-14 22:59:42 +0000200
Alexandre Vassalotti6461e102008-05-15 22:09:29 +0000201- Issue #2487: change the semantics of math.ldexp(x, n) when n is too
202 large to fit in a C long. ldexp(x, n) now returns a zero (with
203 suitable sign) if n is large and negative; previously, it raised
204 OverflowError.
205
Georg Brandl52b92cc2008-05-25 09:43:03 +0000206- The ``ConfigParser`` module has been renamed to ``configparser``.
Alexandre Vassalotti5f8ced22008-05-16 00:03:33 +0000207
Georg Brandl52b92cc2008-05-25 09:43:03 +0000208- Issue #2865: webbrowser.open() works again in a KDE environment.
Amaury Forgeot d'Arc2b2b44d2008-05-12 14:41:00 +0000209
Georg Brandl52b92cc2008-05-25 09:43:03 +0000210- The ``multifile`` module has been removed.
Brett Cannond3343cb2008-05-12 03:18:21 +0000211
Georg Brandl52b92cc2008-05-25 09:43:03 +0000212- The ``SocketServer`` module has been renamed to ``socketserver``.
Alexandre Vassalottice261952008-05-12 02:31:37 +0000213
Georg Brandl52b92cc2008-05-25 09:43:03 +0000214- Fixed the ``__all__`` setting on ``collections`` to include
215 ``UserList`` and ``UserString``.
Brett Cannon23a4a7b2008-05-12 00:56:28 +0000216
Brett Cannoncf3520c2008-05-11 22:47:58 +0000217- The sre module has been removed.
218
Alexandre Vassalottif260e442008-05-11 19:59:59 +0000219- The Queue module has been renamed to queue.
220
Alexandre Vassalottif7fa63d2008-05-11 08:55:36 +0000221- The copy_reg module has been renamed to copyreg.
222
Brett Cannond8b61ee2008-05-11 03:00:26 +0000223- The mhlib module has been removed.
224
Brett Cannonbd474422008-05-10 22:42:14 +0000225- The ihooks module has been removed.
226
Brett Cannonb59a2bd2008-05-10 22:03:16 +0000227- The fpformat module has been removed.
228
Brett Cannonf4fd9932008-05-10 21:11:46 +0000229- The dircache module has been removed.
230
Brett Cannond175b4c2008-05-10 03:19:54 +0000231- The Canvas module has been removed.
232
Mark Dickinsonb27406c2008-05-09 13:42:33 +0000233- The Decimal module gained the magic methods __round__, __ceil__,
234 __floor__ and __trunc__, to give support for round, math.ceil,
235 math.floor and math.trunc.
236
Brett Cannon900ee3a2008-05-08 20:31:11 +0000237- The user module has been removed.
238
Brett Cannon34afe872008-05-08 20:31:44 +0000239- The mutex module has been removed.
240
Brett Cannon0d71ee72008-05-08 18:13:40 +0000241- The imputil module has been removed.
242
Georg Brandl52b92cc2008-05-25 09:43:03 +0000243- os.path.walk has been removed in favor of os.walk.
Benjamin Petersond71ca412008-05-08 23:44:58 +0000244
Alexandre Vassalotti5f8ced22008-05-16 00:03:33 +0000245- pdb gained the "until" command.
246
Georg Brandl52b92cc2008-05-25 09:43:03 +0000247- The test.test_support module has been renamed to test.support.
Benjamin Petersonee8712c2008-05-20 21:35:26 +0000248
Georg Brandlf9926402008-06-13 06:32:25 +0000249- The threading module API was renamed to be PEP 8 complaint.
Benjamin Peterson672b8032008-06-11 19:14:14 +0000250
Georg Brandl294d5a92008-06-01 19:25:32 +0000251Tools/Demos
252-----------
253
254- The bgen tool has been removed.
Benjamin Peterson630c8292008-06-01 18:50:38 +0000255
Brett Cannon0d71ee72008-05-08 18:13:40 +0000256Build
257-----
258
259
Barry Warsaw66079cd2008-04-04 01:36:36 +0000260What's New in Python 3.0a5?
261===========================
262
Barry Warsaw9eab8b02008-05-08 13:05:38 +0000263*Release date: 08-May-2008*
Barry Warsaw66079cd2008-04-04 01:36:36 +0000264
265Core and Builtins
266-----------------
267
Georg Brandl52b92cc2008-05-25 09:43:03 +0000268- Fixed misbehaviour of PyLong_FromSsize_t on systems where
269 sizeof(size_t) > sizeof(long).
Mark Dickinson7ab6be22008-04-15 21:42:42 +0000270
Georg Brandl52b92cc2008-05-25 09:43:03 +0000271- Issue #2221: Corrected a SystemError "error return without exception
272 set", when the code executed by exec() raises an exception, and
273 sys.stdout.flush() also raises an error.
Amaury Forgeot d'Arc7fedbe52008-04-10 21:03:09 +0000274
Georg Brandl52b92cc2008-05-25 09:43:03 +0000275- Bug #2565: The repr() of type objects now calls them 'class', not
276 'type' - whether they are builtin types or not.
Martin v. Löwis250ad612008-04-07 05:43:42 +0000277
Martin v. Löwis790465f2008-04-05 20:41:37 +0000278- The command line processing was converted to pass Unicode strings
279 through as unmodified as possible; as a consequence, the C API
280 related to command line arguments was changed to use wchar_t.
281
Georg Brandl52b92cc2008-05-25 09:43:03 +0000282- All backslashes in raw strings are interpreted literally. This
283 means that '\u' and '\U' escapes are not treated specially.
Benjamin Petersona2f837f2008-04-28 21:05:10 +0000284
Barry Warsaw66079cd2008-04-04 01:36:36 +0000285Extension Modules
286-----------------
287
288Library
289-------
290
Georg Brandl52b92cc2008-05-25 09:43:03 +0000291- ctypes objects now support the PEP3118 buffer interface.
Thomas Hellerb041fda2008-04-30 17:11:46 +0000292
Thomas Hellere106dc32008-04-24 18:39:36 +0000293- Issue #2682: ctypes callback functions now longer contain a cyclic
294 reference to themselves.
295
Georg Brandl52b92cc2008-05-25 09:43:03 +0000296- Issue #2058: Remove the buf attribute and add __slots__ to the
297 TarInfo class in order to reduce tarfile's memory usage.
Lars Gustäbelc2ea8c62008-04-14 10:05:48 +0000298
Martin v. Löwis8efc62c2008-04-10 19:02:25 +0000299- Bug #2606: Avoid calling .sort() on a dict_keys object.
300
Thomas Hellerbff533b2008-04-04 19:53:14 +0000301- The bundled libffi copy is now in sync with the recently released
302 libffi3.0.5 version, apart from some small changes to
303 Modules/_ctypes/libffi/configure.ac.
304
Thomas Hellerf44b9a12008-04-04 10:18:23 +0000305Build
306-----
307
Mark Dickinsonb0e2b4c2008-04-26 20:48:56 +0000308- Issue #1496032: On alpha, use -mieee when gcc is the compiler.
309
Guido van Rossumdc21db32008-04-07 18:37:41 +0000310- "make install" is now an alias for "make altinstall", to prevent
Georg Brandl52b92cc2008-05-25 09:43:03 +0000311 accidentally overwriting a Python 2.x installation. Use "make
312 fullinstall" to force Python 3.0 to be installed as "python".
Guido van Rossumdc21db32008-04-07 18:37:41 +0000313
Thomas Hellerf44b9a12008-04-04 10:18:23 +0000314- Issue #2544: On HP-UX systems, use 'gcc -shared' for linking when
315 gcc is used as compiler.
Barry Warsaw66079cd2008-04-04 01:36:36 +0000316
Georg Brandl52b92cc2008-05-25 09:43:03 +0000317
Barry Warsawa9d499d2008-03-01 18:38:07 +0000318What's New in Python 3.0a4?
319===========================
320
Barry Warsawbb5cd082008-04-02 23:33:27 +0000321*Release date: 02-Apr-2008*
Barry Warsawa9d499d2008-03-01 18:38:07 +0000322
Martin v. Löwis25931462008-03-17 20:43:42 +0000323Core and Builtins
324-----------------
325
326- Bug #2301: Don't try decoding the source code into the original
327 encoding for syntax errors.
328
Martin v. Löwis92fab752008-03-08 10:40:41 +0000329Extension Modules
330-----------------
331
Neal Norwitz6cf49cf2008-03-24 06:22:57 +0000332- The dl module was removed, use the ctypes module instead.
333
Martin v. Löwis92fab752008-03-08 10:40:41 +0000334- Use wchar_t functions in _locale module.
Barry Warsawa9d499d2008-03-01 18:38:07 +0000335
Martin v. Löwis071ef772008-03-08 11:24:24 +0000336Library
337-------
338
Georg Brandl52b92cc2008-05-25 09:43:03 +0000339- The class distutils.commands.build_py.build_py_2to3 can be used as a
340 build_py replacement to automatically run 2to3 on modules that are
341 going to be installed.
Martin v. Löwis73a22f02008-03-22 00:35:10 +0000342
Guido van Rossumf4169812008-03-17 22:56:06 +0000343- A new pickle protocol (protocol 3) is added with explicit support
344 for bytes. This is the default protocol. It intentionally cannot
345 be unpickled by Python 2.x.
346
347- When a pickle written by Python 2.x contains an (8-bit) str
348 instance, this is now decoded to a (Unicode) str instance. The
349 encoding used to do this defaults to ASCII, but can be overridden
350 via two new keyword arguments to the Unpickler class. Previously
351 this would create bytes instances, which is usually wrong: str
352 instances are often used to pickle attribute names etc., and text is
353 more common than binary data anyway.
354
Martin v. Löwis071ef772008-03-08 11:24:24 +0000355- Default to ASCII as the locale.getpreferredencoding, if the POSIX
Georg Brandl52b92cc2008-05-25 09:43:03 +0000356 system doesn't support CODESET and LANG isn't set or doesn't allow
357 deduction of an encoding.
Martin v. Löwis071ef772008-03-08 11:24:24 +0000358
Georg Brandl52b92cc2008-05-25 09:43:03 +0000359- Issue #1202: zlib.crc32 and zlib.adler32 now return an unsigned
360 value.
Gregory P. Smith425136b2008-03-17 20:45:21 +0000361
Georg Brandl52b92cc2008-05-25 09:43:03 +0000362- Issue #719888: Updated tokenize to use a bytes API. generate_tokens
363 has been renamed tokenize and now works with bytes rather than
364 strings. A new detect_encoding function has been added for
365 determining source file encoding according to PEP-0263. Token
366 sequences returned by tokenize always start with an ENCODING token
367 which specifies the encoding used to decode the file. This token is
368 used to encode the output of untokenize back to bytes.
369
Barry Warsawa9d499d2008-03-01 18:38:07 +0000370
Christian Heimesbc873412007-12-08 22:11:32 +0000371What's New in Python 3.0a3?
372===========================
373
Barry Warsaw659fc422008-03-01 17:45:23 +0000374*Release date: 29-Feb-2008*
Christian Heimesbc873412007-12-08 22:11:32 +0000375
376Core and Builtins
377-----------------
378
Georg Brandl52b92cc2008-05-25 09:43:03 +0000379- Issue #2282: io.TextIOWrapper was not overriding seekable() from
380 io.IOBase.
Ka-Ping Yeeddaa7062008-03-17 20:35:15 +0000381
Georg Brandl52b92cc2008-05-25 09:43:03 +0000382- Issue #2115: Important speedup in setting __slot__ attributes. Also
383 prevent a possible crash: an Abstract Base Class would try to access
384 a slot on a registered virtual subclass.
Christian Heimesa156e092008-02-16 07:38:31 +0000385
Georg Brandl52b92cc2008-05-25 09:43:03 +0000386- Fixed repr() and str() of complex numbers with infinity or nan as
387 real or imaginary part.
Christian Heimesa156e092008-02-16 07:38:31 +0000388
Georg Brandl52b92cc2008-05-25 09:43:03 +0000389- Clear all free list during a gc.collect() of the highest generation
390 in order to allow pymalloc to free more arenas. Python may give back
391 memory to the OS earlier.
Christian Heimesa156e092008-02-16 07:38:31 +0000392
Georg Brandl52b92cc2008-05-25 09:43:03 +0000393- Issue #2045: Fix an infinite recursion triggered when printing a
394 subclass of collections.defaultdict, if its default_factory is set
395 to a bound method.
Christian Heimesa156e092008-02-16 07:38:31 +0000396
397- Fixed a minor memory leak in dictobject.c. The content of the free
398 list was not freed on interpreter shutdown.
399
Georg Brandl52b92cc2008-05-25 09:43:03 +0000400- Limit free list of method and builtin function objects to 256
401 entries each.
Christian Heimesa156e092008-02-16 07:38:31 +0000402
Georg Brandl52b92cc2008-05-25 09:43:03 +0000403- Patch #1953: Added ``sys._compact_freelists()`` and the C API
404 functions ``PyInt_CompactFreeList`` and ``PyFloat_CompactFreeList``
Christian Heimesa156e092008-02-16 07:38:31 +0000405 to compact the internal free lists of pre-allocted ints and floats.
406
407- Bug #1983: Fixed return type of fork(), fork1() and forkpty() calls.
Georg Brandl52b92cc2008-05-25 09:43:03 +0000408 Python expected the return type int but the fork familie returns
409 pi_t.
Christian Heimesa156e092008-02-16 07:38:31 +0000410
Georg Brandl52b92cc2008-05-25 09:43:03 +0000411- Issue #1678380: Fix a bug that identifies 0j and -0j when they
412 appear in the same code unit.
Christian Heimesa156e092008-02-16 07:38:31 +0000413
Georg Brandl52b92cc2008-05-25 09:43:03 +0000414- Issue #2025: Added tuple.count() and tuple.index() methods to comply
415 with the collections.Sequence API.
Raymond Hettinger65baa342008-02-07 00:41:02 +0000416
Georg Brandl52b92cc2008-05-25 09:43:03 +0000417- Fixed multiple reinitialization of the Python interpreter. The small
418 int list in longobject.c has caused a seg fault during the third
419 finalization.
Christian Heimesdfc12ed2008-01-31 15:16:38 +0000420
Georg Brandl52b92cc2008-05-25 09:43:03 +0000421- Issue #1973: bytes.fromhex('') raised SystemError.
Christian Heimesc04dac02008-01-30 11:27:57 +0000422
Georg Brandl52b92cc2008-05-25 09:43:03 +0000423- Issue #1771: remove cmp parameter from sorted() and list.sort().
Raymond Hettinger70b64fc2008-01-30 20:15:17 +0000424
Georg Brandl52b92cc2008-05-25 09:43:03 +0000425- Issue #1969: split and rsplit in bytearray are inconsistent.
Christian Heimes7b876152008-01-30 09:51:48 +0000426
Georg Brandl52b92cc2008-05-25 09:43:03 +0000427- map() no longer accepts None for the first argument. Use zip()
428 instead.
Raymond Hettinger1dfde1d2008-01-22 23:25:35 +0000429
Facundo Batista2336bdd2008-01-19 19:12:01 +0000430- Issue #1769: Now int("- 1") is not allowed any more.
431
Georg Brandl52b92cc2008-05-25 09:43:03 +0000432- Object/longobject.c: long(float('nan')) raises an OverflowError
433 instead of returning 0.
Christian Heimes386cd1e2008-01-15 02:01:20 +0000434
Georg Brandl52b92cc2008-05-25 09:43:03 +0000435- Issue #1762972: __file__ points to the source file instead of the
436 pyc/pyo file if the py file exists.
Christian Heimes3b06e532008-01-07 20:12:44 +0000437
Guido van Rossumab078dd2008-01-06 00:09:11 +0000438- Issue #1393: object_richcompare() returns NotImplemented instead of
439 False if the objects aren't equal, to give the other side a chance.
440
Guido van Rossume239b002008-01-06 00:44:20 +0000441- Issue #1692: Interpreter was not displaying location of SyntaxError.
Kurt B. Kaiser43b15092008-01-05 04:32:22 +0000442
Georg Brandl52b92cc2008-05-25 09:43:03 +0000443- Improve some exception messages when Windows fails to load an
444 extension module. Now we get for example '%1 is not a valid Win32
445 application' instead of 'error code 193'. Also use Unicode strings
446 to deal with non-English locales.
Amaury Forgeot d'Arcbccd63c2008-01-04 01:21:27 +0000447
Georg Brandl52b92cc2008-05-25 09:43:03 +0000448- Issue #1587: Added instancemethod wrapper for PyCFunctions. The
449 Python C API has gained a new type *PyInstanceMethod_Type* and the
450 functions *PyInstanceMethod_Check(o)*, *PyInstanceMethod_New(func)*
451 and *PyInstanceMethod_Function(im)*.
Christian Heimesa3534a62007-12-11 19:56:40 +0000452
Georg Brandl52b92cc2008-05-25 09:43:03 +0000453- Constants gc.DEBUG_OBJECT and gc.DEBUG_INSTANCE have been removed
454 from the gc module; gc.DEBUG_COLLECTABLE or gc.DEBUG_UNCOLLECTABLE
455 are now enough to print the corresponding list of objects considered
456 by the garbage collector.
Amaury Forgeot d'Arcad8dcd52007-12-10 23:58:35 +0000457
Georg Brandl52b92cc2008-05-25 09:43:03 +0000458- Issue #1573: Improper use of the keyword-only syntax makes the
459 parser crash.
Christian Heimesbc873412007-12-08 22:11:32 +0000460
Georg Brandl52b92cc2008-05-25 09:43:03 +0000461- Issue #1564: The set implementation should special-case PyUnicode
462 instead of PyString.
Christian Heimes0ded5b52007-12-10 15:50:56 +0000463
Guido van Rossumea6775b2008-02-21 20:16:31 +0000464- Patch #1031213: Decode source line in SyntaxErrors back to its
465 original source encoding.
Christian Heimes7131fd92008-02-19 14:21:46 +0000466
Christian Heimes09aaa882008-02-23 15:01:06 +0000467- inspect.getsource() includes the decorators again.
468
Guido van Rossumea6775b2008-02-21 20:16:31 +0000469- Bug #1713: posixpath.ismount() claims symlink to a mountpoint is a
470 mountpoint.
Christian Heimes7131fd92008-02-19 14:21:46 +0000471
Georg Brandl52b92cc2008-05-25 09:43:03 +0000472- Fix utf-8-sig incremental decoder, which didn't recognise a BOM when
473 the first chunk fed to the decoder started with a BOM, but was
474 longer than 3 bytes.
Christian Heimes7131fd92008-02-19 14:21:46 +0000475
Christian Heimesbc873412007-12-08 22:11:32 +0000476Extension Modules
477-----------------
478
Georg Brandl52b92cc2008-05-25 09:43:03 +0000479- Code for itertools ifilter(), imap(), and izip() moved to bultins
480 and renamed to filter(), map(), and zip(). Also, renamed
481 izip_longest() to zip_longest() and ifilterfalse() to filterfalse().
Raymond Hettinger736c0ab2008-03-13 02:09:15 +0000482
Georg Brandl52b92cc2008-05-25 09:43:03 +0000483- Issue #1762972: Readded the reload() function as imp.reload().
Guido van Rossumea6775b2008-02-21 20:16:31 +0000484
Georg Brandl52b92cc2008-05-25 09:43:03 +0000485- Bug #2111: mmap segfaults when trying to write a block opened with
486 PROT_READ.
Christian Heimesa156e092008-02-16 07:38:31 +0000487
Georg Brandl52b92cc2008-05-25 09:43:03 +0000488- Issue #2063: correct order of utime and stime in os.times() result
489 on Windows.
Christian Heimes7131fd92008-02-19 14:21:46 +0000490
Christian Heimesbc873412007-12-08 22:11:32 +0000491Library
492-------
493
Raymond Hettinger48b8b662008-02-05 01:53:00 +0000494- Weakref dictionaries now inherit from MutableMapping.
Raymond Hettinger48b8b662008-02-05 01:53:00 +0000495
Georg Brandl52b92cc2008-05-25 09:43:03 +0000496- Created new UserDict class in collections module. This one inherits
497 from and complies with the MutableMapping ABC. Also, moved
498 UserString and UserList to the collections module. The
499 MutableUserString class was removed.
Raymond Hettinger48b8b662008-02-05 01:53:00 +0000500
Guido van Rossumea6775b2008-02-21 20:16:31 +0000501- Removed UserDict.DictMixin. Replaced all its uses with
502 collections.MutableMapping.
Raymond Hettingeredf3b732008-02-04 22:07:15 +0000503
Guido van Rossume239b002008-01-06 00:44:20 +0000504- Issue #1703: getpass() should flush after writing prompt.
Christian Heimesfc5aa9d2007-12-11 09:00:01 +0000505
Guido van Rossume239b002008-01-06 00:44:20 +0000506- Issue #1585: IDLE uses non-existent xrange() function.
507
508- Issue #1578: Problems in win_getpass.
509
Georg Brandl52d168a2008-01-07 18:10:24 +0000510Build
511-----
512
Georg Brandl52b92cc2008-05-25 09:43:03 +0000513- Renamed --enable-unicode configure flag to --with-wide-unicode,
514 since Unicode strings can't be disabled anymore.
Georg Brandl52d168a2008-01-07 18:10:24 +0000515
Guido van Rossume239b002008-01-06 00:44:20 +0000516C API
517-----
518
519- Issue #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE,
520 Py_TYPE and Py_REFCNT.
521
Georg Brandl52b92cc2008-05-25 09:43:03 +0000522- New API PyImport_ImportModuleNoBlock(), works like
523 PyImport_ImportModule() but won't block on the import lock
524 (returning an error instead).
Christian Heimes0ec88b32007-12-10 17:02:00 +0000525
Christian Heimesbc873412007-12-08 22:11:32 +0000526
Fred Drake0e474a82007-10-11 18:01:43 +0000527What's New in Python 3.0a2?
Christian Heimesbc873412007-12-08 22:11:32 +0000528===========================
Fred Drake0e474a82007-10-11 18:01:43 +0000529
Guido van Rossum99533a92007-12-06 05:07:41 +0000530*Release date: 07-Dec-2007*
531
532(Note: this list is incomplete.)
Fred Drake0e474a82007-10-11 18:01:43 +0000533
Guido van Rossum40d20bc2007-10-22 00:09:51 +0000534Core and Builtins
535-----------------
536
Brett Cannon37f7e6e2007-10-26 05:42:09 +0000537- str8 now has the same construction signature as bytes.
538
Georg Brandl52b92cc2008-05-25 09:43:03 +0000539- Comparisons between str and str8 now return False/True for ==/!=.
540 sqlite3 returns str8 when recreating on object from it's __conform__
541 value. The struct module returns str8 for all string-related
542 formats. This was true before this change, but becomes more
543 apparent thanks to string comparisons always being False.
Brett Cannon40430012007-10-22 20:24:51 +0000544
Georg Brandl52b92cc2008-05-25 09:43:03 +0000545- Replaced `PyFile_FromFile()` with `PyFile_FromFd(fd, name. mode,
546 buffer, encoding, newline)`.
Guido van Rossum40d20bc2007-10-22 00:09:51 +0000547
548- Fixed `imp.find_module()` to obey the -*- coding: -*- header.
549
550- Changed `__file__` and `co_filename` to unicode. The path names are decoded
551 with `Py_FileSystemDefaultEncoding` and a new API method
552 `PyUnicode_DecodeFSDefault(char*)` was added.
553
Georg Brandl52b92cc2008-05-25 09:43:03 +0000554- io.open() and _fileio.FileIO have grown a new argument closefd. A
555 false value disables the closing of the file descriptor.
Guido van Rossum2dced8b2007-10-30 17:27:30 +0000556
Georg Brandl52b92cc2008-05-25 09:43:03 +0000557- Added a new option -b to issues warnings (-bb for errors) about
558 certain operations between bytes/buffer and str like str(b'') and
559 comparison.
Guido van Rossum98297ee2007-11-06 21:34:58 +0000560
Georg Brandl52b92cc2008-05-25 09:43:03 +0000561- The standards streams sys.stdin, stdout and stderr may be None when
562 the when the C runtime library returns an invalid file descriptor
563 for the streams (fileno(stdin) < 0). For now this happens only for
564 Windows GUI apps and scripts started with `pythonw.exe`.
Christian Heimes58cb1b82007-11-13 02:19:40 +0000565
Christian Heimesbce52be2007-11-17 19:08:41 +0000566- Added PCbuild9 directory for VS 2008.
567
Georg Brandl52b92cc2008-05-25 09:43:03 +0000568- Renamed structmember.h WRITE_RESTRICTED to PY_WRITE_RESTRICTED to
569 work around a name clash with VS 2008 on Windows.
Christian Heimesbce52be2007-11-17 19:08:41 +0000570
Georg Brandl52b92cc2008-05-25 09:43:03 +0000571- Unbound methods are gone for good. ClassObject.method returns an
572 ordinary function object, instance.method still returns a bound
573 method object. The API of bound methods is cleaned up, too. The
574 im_class attribute is removed and im_func + im_self are renamed to
575 __func__ and __self__. The factory PyMethod_New takes only func and
576 instance as argument.
Christian Heimesff737952007-11-27 10:40:20 +0000577
Georg Brandl52b92cc2008-05-25 09:43:03 +0000578- intobject.h is no longer included by Python.h. The remains were
579 moved to longobject.h. It still exists to define several aliases
580 from PyInt_ to PyLong_ functions.
Christian Heimesf78b1c62007-12-02 16:52:32 +0000581
Christian Heimesa37d4c62007-12-04 23:02:19 +0000582- Removed sys.maxint, use sys.maxsize instead.
583
Fred Drake0e474a82007-10-11 18:01:43 +0000584Extension Modules
585-----------------
586
587- The `hotshot` profiler has been removed; use `cProfile` instead.
588
Brett Cannone9fd2312007-10-12 19:18:19 +0000589Library
590-------
591
Georg Brandl52b92cc2008-05-25 09:43:03 +0000592- When loading an external file using testfile(), the passed-in
593 encoding argument was being ignored if __loader__ is defined and
594 forcing the source to be UTF-8.
Brett Cannone9fd2312007-10-12 19:18:19 +0000595
Georg Brandl52b92cc2008-05-25 09:43:03 +0000596- The methods `os.tmpnam()`, `os.tempnam()` and `os.tmpfile()` have
597 been removed in favor of the tempfile module.
Guido van Rossum687b9c02007-10-25 23:18:51 +0000598
Christian Heimesc9543e42007-11-28 08:28:28 +0000599- Removed the 'new' module.
600
Georg Brandl52b92cc2008-05-25 09:43:03 +0000601- Removed all types from the 'types' module that are easily accessable
602 through builtins.
Brett Cannone9fd2312007-10-12 19:18:19 +0000603
Georg Brandl52d168a2008-01-07 18:10:24 +0000604
Guido van Rossum4405cf32007-08-30 17:16:55 +0000605What's New in Python 3.0a1?
Guido van Rossum45aecf42006-03-15 04:58:47 +0000606==========================
Thomas Wouters4d70c3d2006-06-08 14:42:34 +0000607
Guido van Rossum4405cf32007-08-30 17:16:55 +0000608*Release date: 31-Aug-2007*
Neal Norwitz4886cc32006-08-21 17:06:07 +0000609
610Core and Builtins
611-----------------
612
Martin v. Löwis47383402007-08-15 07:32:56 +0000613- PEP 3131: Support non-ASCII identifiers.
614
Martin v. Löwis447d33e2007-07-29 18:10:01 +0000615- PEP 3120: Change default encoding to UTF-8.
616
Martin v. Löwis9f2e3462007-07-21 17:22:18 +0000617- PEP 3123: Use proper C inheritance for PyObject.
618
Guido van Rossumcd16bf62007-06-13 18:07:49 +0000619- Removed the __oct__ and __hex__ special methods and added a bin()
620 builtin function.
621
Georg Brandl52b92cc2008-05-25 09:43:03 +0000622- PEP 3127: octal literals now start with "0o". Old-style octal
623 literals are invalid. There are binary literals with a prefix of
624 "0b". This also affects int(x, 0).
Guido van Rossumcd16bf62007-06-13 18:07:49 +0000625
Guido van Rossume7ba4952007-06-06 23:52:48 +0000626- None, True, False are now keywords.
627
Guido van Rossum29478ef2007-05-29 00:39:44 +0000628- PEP 3119: isinstance() and issubclass() can be overridden.
629
Guido van Rossumebe3e162007-05-17 18:20:34 +0000630- Remove BaseException.message.
631
Guido van Rossum1bc535d2007-05-15 18:46:22 +0000632- Remove tuple parameter unpacking (PEP 3113).
633
Georg Brandl52b92cc2008-05-25 09:43:03 +0000634- Remove the f_restricted attribute from frames. This naturally leads
635 to the removal of PyEval_GetRestricted() and PyFrame_IsRestricted().
Guido van Rossuma8add0e2007-05-14 22:03:55 +0000636
Georg Brandl52b92cc2008-05-25 09:43:03 +0000637- PEP 3132 was accepted. That means that you can do ``a, *b =
638 range(5)`` to assign 0 to a and [1, 2, 3, 4] to b.
Guido van Rossum0368b722007-05-11 16:50:42 +0000639
Georg Brandl52b92cc2008-05-25 09:43:03 +0000640- range() now returns an iterator rather than a list. Floats are not
641 allowed. xrange() is no longer defined.
Guido van Rossum805365e2007-05-07 22:24:25 +0000642
Nick Coghlan650f0d02007-04-15 12:05:43 +0000643- Patch #1660500: hide iteration variable in list comps, add set comps
Georg Brandl52b92cc2008-05-25 09:43:03 +0000644 and use common code to handle compilation of iterative expressions.
Nick Coghlan650f0d02007-04-15 12:05:43 +0000645
Guido van Rossume27dc722007-03-27 22:37:34 +0000646- By default, != returns the opposite of ==, unless the latter returns
647 NotImplemented.
648
Georg Brandl52b92cc2008-05-25 09:43:03 +0000649- Patch #1680961: sys.exitfunc has been removed and replaced with a
650 private C-level API.
Collin Winter670e6922007-03-21 02:57:17 +0000651
Georg Brandl801dd732007-03-18 20:18:31 +0000652- PEP 3115: new metaclasses: the metaclass is now specified as a
Georg Brandl52b92cc2008-05-25 09:43:03 +0000653 keyword arg in the class statement, which can now use the full
654 syntax of a parameter list. Also, the metaclass can implement a
655 __prepare__ function which will be called to create the dictionary
656 for the new class namespace.
Georg Brandl801dd732007-03-18 20:18:31 +0000657
Georg Brandl428f0642007-03-18 18:35:15 +0000658- The long-deprecated argument "pend" of PyFloat_FromString() has been
659 removed.
660
Georg Brandle32b4222007-03-10 22:13:27 +0000661- The dir() function has been extended to call the __dir__() method on
Georg Brandl52b92cc2008-05-25 09:43:03 +0000662 its argument, if it exists. If not, it will work like before. This
663 allows customizing the output of dir() in the presence of a
664 __getattr__().
Brett Cannonba7bf492007-02-27 00:15:55 +0000665
Neal Norwitz8dfc4a92007-08-11 06:39:53 +0000666- Removed support for __members__ and __methods__.
667
Georg Brandle32b4222007-03-10 22:13:27 +0000668- Removed indexing/slicing on BaseException.
Neal Norwitz2633c692007-02-26 22:22:47 +0000669
Georg Brandle32b4222007-03-10 22:13:27 +0000670- input() became raw_input(): the name input() now implements the
Georg Brandl52b92cc2008-05-25 09:43:03 +0000671 functionality formerly known as raw_input(); the name raw_input() is
672 no longer defined.
Guido van Rossum0240b922007-02-26 21:23:50 +0000673
Georg Brandl52b92cc2008-05-25 09:43:03 +0000674- Classes listed in an 'except' clause must inherit from
675 BaseException.
Brett Cannonf74225d2007-02-26 21:10:16 +0000676
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000677- PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
Guido van Rossumcf1be882007-08-30 22:07:17 +0000678 and .keys(), .items(), .values() return dict views, which behave
679 like sets.
Guido van Rossumcc2b0162007-02-11 06:12:03 +0000680
Guido van Rossum8b545362007-02-09 23:52:14 +0000681- PEP 3105: print is now a function. Also (not in the PEP) the
Georg Brandl52b92cc2008-05-25 09:43:03 +0000682 'softspace' attribute of files is now gone (since print() doesn't
683 use it). A side effect of this change is that you can get
684 incomplete output lines in interactive sessions:
Guido van Rossum8b545362007-02-09 23:52:14 +0000685
686 >>> print(42, end="")
Kurt B. Kaiser2c7f3142007-08-30 21:52:19 +0000687 42>>>
Guido van Rossum8b545362007-02-09 23:52:14 +0000688
689 We may be able to fix this after the I/O library rewrite.
Guido van Rossum4502c802007-02-09 05:42:38 +0000690
Brett Cannon398db8b2007-01-29 23:44:37 +0000691- PEP 3102: keyword-only arguments.
692
Georg Brandl52b92cc2008-05-25 09:43:03 +0000693- Int/Long unification is complete. The 'long' built-in type and
694 literals with trailing 'L' or 'l' have been removed. Performance
695 may be sub-optimal (haven't really benchmarked).
Guido van Rossumab186842007-01-14 03:42:30 +0000696
697- 'except E, V' must now be spelled as 'except E as V' and deletes V
698 at the end of the except clause; V must be a simple name.
699
Neal Norwitzc1505362006-12-28 06:47:50 +0000700- Added function annotations per PEP 3107.
701
Georg Brandl52b92cc2008-05-25 09:43:03 +0000702- Added nonlocal declaration from PEP 3104:
Jeremy Hyltona4f9fc62007-02-27 15:53:28 +0000703
704 >>> def f(x):
705 ... def inc():
706 ... nonlocal x
707 ... x += 1
708 ... return x
709 ... return inc
710 ...
711 >>> inc = f(0)
712 >>> inc()
713 1
714 >>> inc()
715 2
716
Georg Brandl66a796e2006-12-19 20:50:34 +0000717- Moved intern() to sys.intern().
718
719- exec is now a function.
720
721- Renamed nb_nonzero to nb_bool and __nonzero__ to __bool__.
Jack Diederich4dafcc42006-11-28 19:15:13 +0000722
Neal Norwitz4886cc32006-08-21 17:06:07 +0000723- Classic classes are a thing of the past. All classes are new style.
724
725- Exceptions *must* derive from BaseException.
726
727- Integer division always returns a float. The -Q option is no more.
728 All the following are gone:
729 * PyNumber_Divide and PyNumber_InPlaceDivide
730 * __div__, __rdiv__, and __idiv__
731 * nb_divide, nb_inplace_divide
732 * operator.div, operator.idiv, operator.__div__, operator.__idiv__
733 (Only __truediv__ and __floordiv__ remain, not sure how to handle them
734 if we want to re-use __div__ and friends. If we do, it will make
735 it harder to write code for both 2.x and 3.x.)
736
737- 'as' and 'with' are keywords.
738
739- Absolute import is the default behavior for 'import foo' etc.
740
Georg Brandl52b92cc2008-05-25 09:43:03 +0000741- Removed support for syntax: backticks (ie, `x`), <>.
Neal Norwitz378b2c92006-08-29 07:57:22 +0000742
Georg Brandl52b92cc2008-05-25 09:43:03 +0000743- Removed these Python builtins: apply(), callable(), coerce(),
744 execfile(), file(), reduce(), reload().
Neal Norwitz4886cc32006-08-21 17:06:07 +0000745
Georg Brandl52b92cc2008-05-25 09:43:03 +0000746- Removed these Python methods: {}.has_key.
Neal Norwitz378b2c92006-08-29 07:57:22 +0000747
Georg Brandl52b92cc2008-05-25 09:43:03 +0000748- Removed these opcodes: BINARY_DIVIDE, INPLACE_DIVIDE, UNARY_CONVERT.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000749
750- Remove C API support for restricted execution.
751
Guido van Rossumcf1be882007-08-30 22:07:17 +0000752- zip(), map() and filter() now return iterators, behaving like their
Georg Brandl52b92cc2008-05-25 09:43:03 +0000753 itertools counterparts. This also affect map()'s behavior on
Guido van Rossumcf1be882007-08-30 22:07:17 +0000754 sequences of unequal length -- it now stops after the shortest one
755 is exhausted.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000756
Georg Brandl52b92cc2008-05-25 09:43:03 +0000757- Additions: set literals, set comprehensions, ellipsis literal.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000758
759- Added class decorators per PEP 3129.
760
761
762Extension Modules
763-----------------
764
Georg Brandl52b92cc2008-05-25 09:43:03 +0000765- Removed the imageop module. Obsolete long with its unit tests
766 becoming useless from the removal of rgbimg and imgfile.
Neal Norwitz4886cc32006-08-21 17:06:07 +0000767
Georg Brandl52b92cc2008-05-25 09:43:03 +0000768- Removed these attributes from the operator module: div, idiv,
769 __div__, __idiv__, isCallable, sequenceIncludes.
770
771- Removed these attributes from the sys module: exc_clear(), exc_type,
772 exc_value, exc_traceback.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000773
774
775Library
776-------
777
Georg Brandl52b92cc2008-05-25 09:43:03 +0000778- Removed the compiler package. Use of the _ast module and (an
779 eventual) AST -> bytecode mechanism.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000780
Georg Brandl52b92cc2008-05-25 09:43:03 +0000781- Removed these modules: audiodev, Bastion, bsddb185, exceptions,
782 linuxaudiodev, md5, MimeWriter, mimify, popen2, rexec, sets, sha,
783 stringold, strop, sunaudiodev, timing, xmllib.
Guido van Rossum33d26892007-08-05 15:29:28 +0000784
Georg Brandl52b92cc2008-05-25 09:43:03 +0000785- Moved the toaiff module to Tools/Demos.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000786
Georg Brandl52b92cc2008-05-25 09:43:03 +0000787- Removed obsolete IRIX modules: al/AL, cd/CD, cddb, cdplayer, cl/CL,
788 DEVICE, ERRNO, FILE, fl/FL, flp, fm, GET, gl/GL, GLWS, IN, imgfile,
789 IOCTL, jpeg, panel, panelparser, readcd, sgi, sv/SV, torgb, WAIT.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000790
Georg Brandl52b92cc2008-05-25 09:43:03 +0000791- Removed obsolete functions: commands.getstatus(), os.popen*().
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000792
Georg Brandl52b92cc2008-05-25 09:43:03 +0000793- Removed functions in the string module that are also string methods;
Martin v. Löwis967f1e32007-08-14 09:23:10 +0000794 Remove string.{letters, lowercase, uppercase}.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000795
Georg Brandl52b92cc2008-05-25 09:43:03 +0000796- Removed support for long obsolete platforms: plat-aix3, plat-irix5.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000797
Georg Brandl52b92cc2008-05-25 09:43:03 +0000798- Removed xmlrpclib.SlowParser. It was based on xmllib.
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000799
800- Patch #1680961: atexit has been reimplemented in C.
801
Walter Dörwald41980ca2007-08-16 21:55:45 +0000802- Add new codecs for UTF-32, UTF-32-LE and UTF-32-BE.
803
Guido van Rossumd59da4b2007-05-22 18:11:13 +0000804Build
805-----
806
807C API
808-----
809
Georg Brandl52b92cc2008-05-25 09:43:03 +0000810- Removed these Python slots: __coerce__, __div__, __idiv__, __rdiv__.
Neal Norwitz4886cc32006-08-21 17:06:07 +0000811
Georg Brandl52b92cc2008-05-25 09:43:03 +0000812- Removed these C APIs: PyNumber_Coerce(), PyNumber_CoerceEx(),
813 PyMember_Get, PyMember_Set.
Neal Norwitz4886cc32006-08-21 17:06:07 +0000814
Georg Brandl52b92cc2008-05-25 09:43:03 +0000815- Removed these C slots/fields: nb_divide, nb_inplace_divide.
Neal Norwitz4886cc32006-08-21 17:06:07 +0000816
Georg Brandl52b92cc2008-05-25 09:43:03 +0000817- Removed these macros: staticforward, statichere, PyArg_GetInt,
818 PyArg_NoArgs, _PyObject_Del.
Neal Norwitz4886cc32006-08-21 17:06:07 +0000819
Georg Brandl52b92cc2008-05-25 09:43:03 +0000820- Removed these typedefs: intargfunc, intintargfunc, intobjargproc,
821 intintobjargproc, getreadbufferproc, getwritebufferproc,
822 getsegcountproc, getcharbufferproc, memberlist.
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000823
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000824Tests
825-----
826
Brett Cannone7a30f72008-03-03 03:36:27 +0000827- Removed test.testall as test.regrtest replaces it.
828
Brett Cannonced04e02005-02-13 22:53:22 +0000829Documentation
830-------------
831
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000832Mac
833---
834
Georg Brandl52b92cc2008-05-25 09:43:03 +0000835- The cfmfile module was removed.
Guido van Rossume7ba4952007-06-06 23:52:48 +0000836
Guido van Rossum845702c2007-08-30 18:44:53 +0000837Platforms
838---------
839
840- Support for BeOS and AtheOS was removed (according to PEP 11).
841
842- Support for RiscOS, Irix, Tru64 was removed (alledgedly).
843
Raymond Hettinger4901a1f2004-12-02 08:59:14 +0000844Tools/Demos
845-----------
846
Georg Brandl52b92cc2008-05-25 09:43:03 +0000847
Skip Montanaroe5d7f7f2002-09-20 14:16:59 +0000848**(For information about older versions, consult the HISTORY file.)**