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Georg Brandl 2008-05-25 09:43:03 +00:00
parent 1bcf35ae39
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Misc/NEWS
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@ -12,73 +12,78 @@ What's new in Python 3.0b1?
Core and Builtins
-----------------
- Issue #2963: fix merging oversight that disabled method cache for all types.
- Issue #2963: fix merging oversight that disabled method cache for
all types.
- Issue #2964: fix a missing INCREF in instancemethod_descr_get.
- Issue 2895: Don't crash when given bytes objects as keyword names.
- Issue #2895: Don't crash when given bytes objects as keyword names.
- Issue 2798: When parsing arguments with PyArg_ParseTuple, the "s" code now
allows any unicode string and returns a utf-8 encoded buffer, just like the
"s#" code already does. The "z" code was corrected as well.
- Issue #2798: When parsing arguments with PyArg_ParseTuple, the "s"
code now allows any unicode string and returns a utf-8 encoded
buffer, just like the "s#" code already does. The "z" code was
corrected as well.
- Issue 2801: fix bug in the float.is_integer method where a ValueError
- Issue #2863: generators now have a ``gen.__name__`` attribute that equals
``gen.gi_code.co_name``, like ``func.__name___`` that equals
``func.func_code.co_name``. The repr() of a generator now also contains
this name.
- Issue #2863: generators now have a ``gen.__name__`` attribute that
equals ``gen.gi_code.co_name``, like ``func.__name___`` that equals
``func.func_code.co_name``. The repr() of a generator now also
contains this name.
- Issue #2831: enumerate() now has a ``start`` argument.
- Issue #2801: fix bug in the float.is_integer method where a ValueError
was sometimes incorrectly raised.
- Issue #2801: fix bug in the float.is_integer method where a
ValueError was sometimes incorrectly raised.
- The --with-toolbox-glue option (and the associated pymactoolbox.h) have been
removed.
- The ``--with-toolbox-glue`` option (and the associated
pymactoolbox.h) have been removed.
- Issue #2196: hasattr now lets exceptions which do not inherit Exception
(KeyboardInterrupt, and SystemExit) propagate instead of ignoring them
- Issue #2196: hasattr() now lets exceptions which do not inherit
Exception (KeyboardInterrupt, and SystemExit) propagate instead of
ignoring them.
Extension Modules
-----------------
- Renamed ``_winreg`` module to ``winreg``.
- Support os.O_ASYNC and fcntl.FASYNC if the constants exist on the platform.
- Support os.O_ASYNC and fcntl.FASYNC if the constants exist on the
platform.
- Support for Windows 9x has been removed from the winsound module.
- Fixed #2870: cmathmodule.c compile error.
- Issue #2870: cmathmodule.c compile error.
Library
-------
- The repr module has been renamed to reprlib.
- The ``repr`` module has been renamed to ``reprlib``.
- The statvfs module has been removed.
- The ``statvfs`` module has been removed.
- #1713041: fix pprint's handling of maximum depth.
- Issue #1713041: fix pprint's handling of maximum depth.
- #2250: Exceptions raised during evaluation of names in rlcompleter's
``Completer.complete()`` method are now caught and ignored.
- Issue #2250: Exceptions raised during evaluation of names in
rlcompleter's ``Completer.complete()`` method are now caught and
ignored.
- #2659: Added ``break_on_hyphens`` option to textwrap TextWrapper class.
- Patch #2659: Added ``break_on_hyphens`` option to textwrap's
``TextWrapper`` class.
- Issue #2487: change the semantics of math.ldexp(x, n) when n is too
large to fit in a C long. ldexp(x, n) now returns a zero (with
suitable sign) if n is large and negative; previously, it raised
OverflowError.
- The ConfigParser module has been renamed to configparser.
- The ``ConfigParser`` module has been renamed to ``configparser``.
- Issue 2865: webbrowser.open() works again in a KDE environment.
- Issue #2865: webbrowser.open() works again in a KDE environment.
- The multifile module has been removed.
- The ``multifile`` module has been removed.
- The SocketServer module has been renamed to socketserver.
- The ``SocketServer`` module has been renamed to ``socketserver``.
- Fix the __all__ setting on 'collections' to include UserList and UserString.
- Fixed the ``__all__`` setting on ``collections`` to include
``UserList`` and ``UserString``.
- The sre module has been removed.
@ -106,11 +111,11 @@ Library
- The imputil module has been removed.
- os.path.walk has been removed in favor of os.walk
- os.path.walk has been removed in favor of os.walk.
- pdb gained the "until" command.
- test.test_support has been renamed test.support
- The test.test_support module has been renamed to test.support.
Build
-----
@ -124,22 +129,22 @@ What's New in Python 3.0a5?
Core and Builtins
-----------------
- Fix misbehaviour of PyLong_FromSsize_t on systems where sizeof(size_t) >
sizeof(long).
- Fixed misbehaviour of PyLong_FromSsize_t on systems where
sizeof(size_t) > sizeof(long).
- Issue #2221: Corrected a SystemError "error return without exception set",
when the code executed by exec() raises an exception, and sys.stdout.flush()
also raises an error.
- Issue #2221: Corrected a SystemError "error return without exception
set", when the code executed by exec() raises an exception, and
sys.stdout.flush() also raises an error.
- Bug #2565: The repr() of type objects now calls them 'class',
not 'type' - whether they are builtin types or not.
- Bug #2565: The repr() of type objects now calls them 'class', not
'type' - whether they are builtin types or not.
- The command line processing was converted to pass Unicode strings
through as unmodified as possible; as a consequence, the C API
related to command line arguments was changed to use wchar_t.
- All backslashes in raw strings are interpreted literally. This means that
'\u' and '\U' escapes are not treated specially.
- All backslashes in raw strings are interpreted literally. This
means that '\u' and '\U' escapes are not treated specially.
Extension Modules
-----------------
@ -147,13 +152,13 @@ Extension Modules
Library
-------
- ctypes objects now support the PEP3118 buffer interface
- ctypes objects now support the PEP3118 buffer interface.
- Issue #2682: ctypes callback functions now longer contain a cyclic
reference to themselves.
- Issue #2058: Remove the buf attribute and add __slots__ to the TarInfo
class in order to reduce tarfile's memory usage.
- Issue #2058: Remove the buf attribute and add __slots__ to the
TarInfo class in order to reduce tarfile's memory usage.
- Bug #2606: Avoid calling .sort() on a dict_keys object.
@ -167,13 +172,13 @@ Build
- Issue #1496032: On alpha, use -mieee when gcc is the compiler.
- "make install" is now an alias for "make altinstall", to prevent
accidentally overwriting a Python 2.x installation.
Use "make fullinstall" to force Python 3.0 to be installed as
"python".
accidentally overwriting a Python 2.x installation. Use "make
fullinstall" to force Python 3.0 to be installed as "python".
- Issue #2544: On HP-UX systems, use 'gcc -shared' for linking when
gcc is used as compiler.
What's New in Python 3.0a4?
===========================
@ -195,9 +200,9 @@ Extension Modules
Library
-------
- The class distutils.commands.build_py.build_py_2to3 can be used
as a build_py replacement to automatically run 2to3 on modules
that are going to be installed.
- The class distutils.commands.build_py.build_py_2to3 can be used as a
build_py replacement to automatically run 2to3 on modules that are
going to be installed.
- A new pickle protocol (protocol 3) is added with explicit support
for bytes. This is the default protocol. It intentionally cannot
@ -212,17 +217,20 @@ Library
more common than binary data anyway.
- Default to ASCII as the locale.getpreferredencoding, if the POSIX
system doesn't support CODESET and LANG isn't set or doesn't
allow deduction of an encoding.
system doesn't support CODESET and LANG isn't set or doesn't allow
deduction of an encoding.
- Issue #1202: zlib.crc32 and zlib.adler32 now return an unsigned value.
- Issue #1202: zlib.crc32 and zlib.adler32 now return an unsigned
value.
- Issue #719888: Updated tokenize to use a bytes API. generate_tokens
has been renamed tokenize and now works with bytes rather than
strings. A new detect_encoding function has been added for
determining source file encoding according to PEP-0263. Token
sequences returned by tokenize always start with an ENCODING token
which specifies the encoding used to decode the file. This token is
used to encode the output of untokenize back to bytes.
- Issue #719888: Updated tokenize to use a bytes API. generate_tokens has been
renamed tokenize and now works with bytes rather than strings. A new
detect_encoding function has been added for determining source file encoding
according to PEP-0263. Token sequences returned by tokenize always start
with an ENCODING token which specifies the encoding used to decode the file.
This token is used to encode the output of untokenize back to bytes.
What's New in Python 3.0a3?
===========================
@ -232,84 +240,90 @@ What's New in Python 3.0a3?
Core and Builtins
-----------------
- Issue #2282: io.TextIOWrapper was not overriding seekable() from io.IOBase.
- Issue #2282: io.TextIOWrapper was not overriding seekable() from
io.IOBase.
- Issue #2115: Important speedup in setting __slot__ attributes. Also
prevent a possible crash: an Abstract Base Class would try to access a slot
on a registered virtual subclass.
prevent a possible crash: an Abstract Base Class would try to access
a slot on a registered virtual subclass.
- Fixed repr() and str() of complex numbers with infinity or nan as real or
imaginary part.
- Fixed repr() and str() of complex numbers with infinity or nan as
real or imaginary part.
- Clear all free list during a gc.collect() of the highest generation in order
to allow pymalloc to free more arenas. Python may give back memory to the
OS earlier.
- Clear all free list during a gc.collect() of the highest generation
in order to allow pymalloc to free more arenas. Python may give back
memory to the OS earlier.
- Issue #2045: Fix an infinite recursion triggered when printing a subclass of
collections.defaultdict, if its default_factory is set to a bound method.
- Issue #2045: Fix an infinite recursion triggered when printing a
subclass of collections.defaultdict, if its default_factory is set
to a bound method.
- Fixed a minor memory leak in dictobject.c. The content of the free
list was not freed on interpreter shutdown.
- Limit free list of method and builtin function objects to 256 entries
each.
- Limit free list of method and builtin function objects to 256
entries each.
- Patch #1953: Added ``sys._compact_freelists()`` and the C API functions
``PyInt_CompactFreeList`` and ``PyFloat_CompactFreeList``
- Patch #1953: Added ``sys._compact_freelists()`` and the C API
functions ``PyInt_CompactFreeList`` and ``PyFloat_CompactFreeList``
to compact the internal free lists of pre-allocted ints and floats.
- Bug #1983: Fixed return type of fork(), fork1() and forkpty() calls.
Python expected the return type int but the fork familie returns pi_t.
Python expected the return type int but the fork familie returns
pi_t.
- Issue #1678380: Fix a bug that identifies 0j and -0j when they appear
in the same code unit.
- Issue #1678380: Fix a bug that identifies 0j and -0j when they
appear in the same code unit.
- Issue #2025 : Add tuple.count() and tuple.index() methods to comply with
the collections.Sequence API.
- Issue #2025: Added tuple.count() and tuple.index() methods to comply
with the collections.Sequence API.
- Fixed multiple reinitialization of the Python interpreter. The small int
list in longobject.c has caused a seg fault during the third finalization.
- Fixed multiple reinitialization of the Python interpreter. The small
int list in longobject.c has caused a seg fault during the third
finalization.
- Issue #1973: bytes.fromhex('') raises SystemError
- Issue #1973: bytes.fromhex('') raised SystemError.
- Issue #1771: remove cmp parameter from sorted() and list.sort()
- Issue #1771: remove cmp parameter from sorted() and list.sort().
- Issue #1969: split and rsplit in bytearray are inconsistent
- Issue #1969: split and rsplit in bytearray are inconsistent.
- map() and no longer accepts None for the first argument.
Use zip() instead.
- map() no longer accepts None for the first argument. Use zip()
instead.
- Issue #1769: Now int("- 1") is not allowed any more.
- Object/longobject.c: long(float('nan')) raises an OverflowError instead
of returning 0.
- Object/longobject.c: long(float('nan')) raises an OverflowError
instead of returning 0.
- Issue #1762972: __file__ points to the source file instead of the pyc/pyo
file if the py file exists.
- Issue #1762972: __file__ points to the source file instead of the
pyc/pyo file if the py file exists.
- Issue #1393: object_richcompare() returns NotImplemented instead of
False if the objects aren't equal, to give the other side a chance.
- Issue #1692: Interpreter was not displaying location of SyntaxError.
- Improve some exception messages when Windows fails to load an extension
module. Now we get for example '%1 is not a valid Win32 application' instead
of 'error code 193'. Also use Unicode strings to deal with non-English
locales.
- Improve some exception messages when Windows fails to load an
extension module. Now we get for example '%1 is not a valid Win32
application' instead of 'error code 193'. Also use Unicode strings
to deal with non-English locales.
- Issue #1587: Added instancemethod wrapper for PyCFunctions. The Python C API
has gained a new type *PyInstanceMethod_Type* and the functions
*PyInstanceMethod_Check(o)*, *PyInstanceMethod_New(func)* and
*PyInstanceMethod_Function(im)*.
- Issue #1587: Added instancemethod wrapper for PyCFunctions. The
Python C API has gained a new type *PyInstanceMethod_Type* and the
functions *PyInstanceMethod_Check(o)*, *PyInstanceMethod_New(func)*
and *PyInstanceMethod_Function(im)*.
- Constants gc.DEBUG_OBJECT and gc.DEBUG_INSTANCE have been removed from the
gc module; gc.DEBUG_COLLECTABLE or gc.DEBUG_UNCOLLECTABLE are now enough to
print the corresponding list of objects considered by the garbage collector.
- Constants gc.DEBUG_OBJECT and gc.DEBUG_INSTANCE have been removed
from the gc module; gc.DEBUG_COLLECTABLE or gc.DEBUG_UNCOLLECTABLE
are now enough to print the corresponding list of objects considered
by the garbage collector.
- Issue #1573: Improper use of the keyword-only syntax makes the parser crash.
- Issue #1573: Improper use of the keyword-only syntax makes the
parser crash.
- Issue #1564: The set implementation should special-case PyUnicode instead
of PyString.
- Issue #1564: The set implementation should special-case PyUnicode
instead of PyString.
- Patch #1031213: Decode source line in SyntaxErrors back to its
original source encoding.
@ -319,34 +333,34 @@ Core and Builtins
- Bug #1713: posixpath.ismount() claims symlink to a mountpoint is a
mountpoint.
- Fix utf-8-sig incremental decoder, which didn't recognise a BOM when the
first chunk fed to the decoder started with a BOM, but was longer than 3
bytes.
- Fix utf-8-sig incremental decoder, which didn't recognise a BOM when
the first chunk fed to the decoder started with a BOM, but was
longer than 3 bytes.
Extension Modules
-----------------
- Code for itertools ifilter(), imap(), and izip() moved to bultins and
renamed to filter(), map(), and zip(). Also, renamed izip_longest()
to zip_longest() and ifilterfalse() to filterfalse().
- Code for itertools ifilter(), imap(), and izip() moved to bultins
and renamed to filter(), map(), and zip(). Also, renamed
izip_longest() to zip_longest() and ifilterfalse() to filterfalse().
- Issue #1762972: Readded the reload() function as imp.reload()
- Issue #1762972: Readded the reload() function as imp.reload().
- Bug #2111: mmap segfaults when trying to write a block opened with PROT_READ
- #2063: correct order of utime and stime in os.times() result on Windows.
- Bug #2111: mmap segfaults when trying to write a block opened with
PROT_READ.
- Issue #2063: correct order of utime and stime in os.times() result
on Windows.
Library
-------
- Weakref dictionaries now inherit from MutableMapping.
XXX their API still needs to be modernized (i.e. eliminate the iter methods).
- Created new UserDict class in collections module. This one inherits from and
complies with the MutableMapping ABC. Also, moved UserString and UserList
to the collections module. The MutableUserString class was removed.
- Created new UserDict class in collections module. This one inherits
from and complies with the MutableMapping ABC. Also, moved
UserString and UserList to the collections module. The
MutableUserString class was removed.
- Removed UserDict.DictMixin. Replaced all its uses with
collections.MutableMapping.
@ -360,9 +374,8 @@ Library
Build
-----
- Renamed --enable-unicode configure flag to --with-wide-unicode, since
Unicode strings can't be disabled anymore.
- Renamed --enable-unicode configure flag to --with-wide-unicode,
since Unicode strings can't be disabled anymore.
C API
-----
@ -370,8 +383,9 @@ C API
- Issue #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE,
Py_TYPE and Py_REFCNT.
- New API PyImport_ImportModuleNoBlock(), works like PyImport_ImportModule()
but won't block on the import lock (returning an error instead).
- New API PyImport_ImportModuleNoBlock(), works like
PyImport_ImportModule() but won't block on the import lock
(returning an error instead).
What's New in Python 3.0a2?
@ -386,14 +400,14 @@ Core and Builtins
- str8 now has the same construction signature as bytes.
- Comparisons between str and str8 now return False/True for ==/!=. sqlite3
returns str8 when recreating on object from it's __conform__ value. The
struct module returns str8 for all string-related formats. This was true
before this change, but becomes more apparent thanks to string comparisons
always being False.
- Comparisons between str and str8 now return False/True for ==/!=.
sqlite3 returns str8 when recreating on object from it's __conform__
value. The struct module returns str8 for all string-related
formats. This was true before this change, but becomes more
apparent thanks to string comparisons always being False.
- Replaced `PyFile_FromFile()` with `PyFile_FromFd(fd, name. mode, buffer,
encoding, newline)`
- Replaced `PyFile_FromFile()` with `PyFile_FromFd(fd, name. mode,
buffer, encoding, newline)`.
- Fixed `imp.find_module()` to obey the -*- coding: -*- header.
@ -401,55 +415,55 @@ Core and Builtins
with `Py_FileSystemDefaultEncoding` and a new API method
`PyUnicode_DecodeFSDefault(char*)` was added.
- io.open() and _fileio.FileIO have grown a new argument closefd. A false
value disables the closing of the file descriptor.
- io.open() and _fileio.FileIO have grown a new argument closefd. A
false value disables the closing of the file descriptor.
- Added a new option -b to issues warnings (-bb for errors) about certain
operations between bytes/buffer and str like str(b'') and comparsion.
- Added a new option -b to issues warnings (-bb for errors) about
certain operations between bytes/buffer and str like str(b'') and
comparison.
- The standards streams sys.stdin, stdout and stderr may be None when the
when the C runtime library returns an invalid file descriptor for the
streams (fileno(stdin) < 0). For now this happens only for Windows GUI
apps and scripts started with `pythonw.exe`.
- The standards streams sys.stdin, stdout and stderr may be None when
the when the C runtime library returns an invalid file descriptor
for the streams (fileno(stdin) < 0). For now this happens only for
Windows GUI apps and scripts started with `pythonw.exe`.
- Added PCbuild9 directory for VS 2008.
- Renamed structmember.h WRITE_RESTRICTED to PY_WRITE_RESTRICTED to work
around a name clash with VS 2008 on Windows.
- Renamed structmember.h WRITE_RESTRICTED to PY_WRITE_RESTRICTED to
work around a name clash with VS 2008 on Windows.
- Unbound methods are gone for good. ClassObject.method returns an ordinary
function object, instance.method still returns a bound method object.
The API of bound methods is cleaned up, too. The im_class attribute is
removed and im_func + im_self are renamed to __func__ and __self__. The
factory PyMethod_New takes only func and instance as argument.
- Unbound methods are gone for good. ClassObject.method returns an
ordinary function object, instance.method still returns a bound
method object. The API of bound methods is cleaned up, too. The
im_class attribute is removed and im_func + im_self are renamed to
__func__ and __self__. The factory PyMethod_New takes only func and
instance as argument.
- intobject.h is no longer included by Python.h. The remains were moved
to longobject.h. It still exists to define several aliases from PyInt_
to PyLong_ functions.
- intobject.h is no longer included by Python.h. The remains were
moved to longobject.h. It still exists to define several aliases
from PyInt_ to PyLong_ functions.
- Removed sys.maxint, use sys.maxsize instead.
Extension Modules
-----------------
- The `hotshot` profiler has been removed; use `cProfile` instead.
Library
-------
- When loading an external file using testfile(), the passed-in encoding
argument was being ignored if __loader__ is defined and forcing the source to
be UTF-8.
- When loading an external file using testfile(), the passed-in
encoding argument was being ignored if __loader__ is defined and
forcing the source to be UTF-8.
- The methods `os.tmpnam()`, `os.tempnam()` and `os.tmpfile()` have been
removed in favor of the tempfile module.
- The methods `os.tmpnam()`, `os.tempnam()` and `os.tmpfile()` have
been removed in favor of the tempfile module.
- Removed the 'new' module.
- Removed all types from the 'types' module that are easily accessable through
builtins.
- Removed all types from the 'types' module that are easily accessable
through builtins.
What's New in Python 3.0a1?
@ -469,9 +483,9 @@ Core and Builtins
- Removed the __oct__ and __hex__ special methods and added a bin()
builtin function.
- PEP 3127: octal literals now start with "0o". Old-style octal literals
are invalid. There are binary literals with a prefix of "0b".
This also affects int(x, 0).
- PEP 3127: octal literals now start with "0o". Old-style octal
literals are invalid. There are binary literals with a prefix of
"0b". This also affects int(x, 0).
- None, True, False are now keywords.
@ -481,54 +495,57 @@ Core and Builtins
- Remove tuple parameter unpacking (PEP 3113).
- Remove the f_restricted attribute from frames. This naturally leads to the
removal of PyEval_GetRestricted() and PyFrame_IsRestricted().
- Remove the f_restricted attribute from frames. This naturally leads
to the removal of PyEval_GetRestricted() and PyFrame_IsRestricted().
- PEP 3132 was accepted. That means that you can do ``a, *b = range(5)``
to assign 0 to a and [1, 2, 3, 4] to b.
- PEP 3132 was accepted. That means that you can do ``a, *b =
range(5)`` to assign 0 to a and [1, 2, 3, 4] to b.
- range() now returns an iterator rather than a list. Floats are not allowed.
xrange() is no longer defined.
- range() now returns an iterator rather than a list. Floats are not
allowed. xrange() is no longer defined.
- Patch #1660500: hide iteration variable in list comps, add set comps
and use common code to handle compilation of iterative expressions
and use common code to handle compilation of iterative expressions.
- By default, != returns the opposite of ==, unless the latter returns
NotImplemented.
- Patch #1680961: sys.exitfunc has been removed and replaced with a private
C-level API.
- Patch #1680961: sys.exitfunc has been removed and replaced with a
private C-level API.
- PEP 3115: new metaclasses: the metaclass is now specified as a
keyword arg in the class statement, which can now use the full syntax of
a parameter list. Also, the metaclass can implement a __prepare__ function
which will be called to create the dictionary for the new class namespace.
keyword arg in the class statement, which can now use the full
syntax of a parameter list. Also, the metaclass can implement a
__prepare__ function which will be called to create the dictionary
for the new class namespace.
- The long-deprecated argument "pend" of PyFloat_FromString() has been
removed.
- The dir() function has been extended to call the __dir__() method on
its argument, if it exists. If not, it will work like before. This allows
customizing the output of dir() in the presence of a __getattr__().
its argument, if it exists. If not, it will work like before. This
allows customizing the output of dir() in the presence of a
__getattr__().
- Removed support for __members__ and __methods__.
- Removed indexing/slicing on BaseException.
- input() became raw_input(): the name input() now implements the
functionality formerly known as raw_input(); the name raw_input()
is no longer defined.
functionality formerly known as raw_input(); the name raw_input() is
no longer defined.
- Classes listed in an 'except' clause must inherit from BaseException.
- Classes listed in an 'except' clause must inherit from
BaseException.
- PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
and .keys(), .items(), .values() return dict views, which behave
like sets.
- PEP 3105: print is now a function. Also (not in the PEP) the
'softspace' attribute of files is now gone (since print() doesn't use
it). A side effect of this change is that you can get incomplete
output lines in interactive sessions:
'softspace' attribute of files is now gone (since print() doesn't
use it). A side effect of this change is that you can get
incomplete output lines in interactive sessions:
>>> print(42, end="")
42>>>
@ -537,16 +554,16 @@ Core and Builtins
- PEP 3102: keyword-only arguments.
- Int/Long unification is complete. The 'long' built-in type
and literals with trailing 'L' or 'l' have been removed.
Performance may be sub-optimal (haven't really benchmarked).
- Int/Long unification is complete. The 'long' built-in type and
literals with trailing 'L' or 'l' have been removed. Performance
may be sub-optimal (haven't really benchmarked).
- 'except E, V' must now be spelled as 'except E as V' and deletes V
at the end of the except clause; V must be a simple name.
- Added function annotations per PEP 3107.
- Added nonlocal declaration from PEP 3104
- Added nonlocal declaration from PEP 3104:
>>> def f(x):
... def inc():
@ -585,17 +602,14 @@ Core and Builtins
- Absolute import is the default behavior for 'import foo' etc.
- Removed support for syntax:
backticks (ie, `x`), <>
- Removed support for syntax: backticks (ie, `x`), <>.
- Removed these Python builtins:
apply(), callable(), coerce(), execfile(), file(), reduce(), reload()
- Removed these Python builtins: apply(), callable(), coerce(),
execfile(), file(), reduce(), reload().
- Removed these Python methods:
{}.has_key
- Removed these Python methods: {}.has_key.
- Removed these opcodes:
BINARY_DIVIDE, INPLACE_DIVIDE, UNARY_CONVERT
- Removed these opcodes: BINARY_DIVIDE, INPLACE_DIVIDE, UNARY_CONVERT.
- Remove C API support for restricted execution.
@ -604,8 +618,7 @@ Core and Builtins
sequences of unequal length -- it now stops after the shortest one
is exhausted.
- Additions:
set literals, set comprehensions, ellipsis literal.
- Additions: set literals, set comprehensions, ellipsis literal.
- Added class decorators per PEP 3129.
@ -613,85 +626,77 @@ Core and Builtins
Extension Modules
-----------------
- Remove the imageop module. Obsolete long with its unit tests becoming
useless from the removal of rgbimg and imgfile.
- Removed the imageop module. Obsolete long with its unit tests
becoming useless from the removal of rgbimg and imgfile.
- Removed these attributes from Python modules:
* operator module: div, idiv, __div__, __idiv__, isCallable, sequenceIncludes
* sys module: exc_clear(), exc_type, exc_value, exc_traceback
- Removed these attributes from the operator module: div, idiv,
__div__, __idiv__, isCallable, sequenceIncludes.
- Removed these attributes from the sys module: exc_clear(), exc_type,
exc_value, exc_traceback.
Library
-------
- Remove the compiler package. Use of the _ast module and (an eventual)
AST -> bytecode mechanism.
- Removed the compiler package. Use of the _ast module and (an
eventual) AST -> bytecode mechanism.
- Removed these modules:
* audiodev, Bastion, bsddb185, exceptions, linuxaudiodev,
md5, MimeWriter, mimify, popen2,
rexec, sets, sha, stringold, strop, sunaudiodev, timing, xmllib.
- Removed these modules: audiodev, Bastion, bsddb185, exceptions,
linuxaudiodev, md5, MimeWriter, mimify, popen2, rexec, sets, sha,
stringold, strop, sunaudiodev, timing, xmllib.
- Moved these modules to Tools/Demos:
* toaiff
- Moved the toaiff module to Tools/Demos.
- Remove obsolete IRIX modules: al/AL, cd/CD, cddb, cdplayer, cl/CL, DEVICE,
ERRNO, FILE, fl/FL, flp, fm, GET, gl/GL, GLWS, IN, imgfile, IOCTL, jpeg,
panel, panelparser, readcd, sgi, sv/SV, torgb, WAIT.
- Removed obsolete IRIX modules: al/AL, cd/CD, cddb, cdplayer, cl/CL,
DEVICE, ERRNO, FILE, fl/FL, flp, fm, GET, gl/GL, GLWS, IN, imgfile,
IOCTL, jpeg, panel, panelparser, readcd, sgi, sv/SV, torgb, WAIT.
- Remove obsolete functions:
* commands.getstatus(), os.popen*,
- Removed obsolete functions: commands.getstatus(), os.popen*().
- Remove functions in the string module that are also string methods;
- Removed functions in the string module that are also string methods;
Remove string.{letters, lowercase, uppercase}.
- Remove support for long obsolete platforms: plat-aix3, plat-irix5.
- Removed support for long obsolete platforms: plat-aix3, plat-irix5.
- Remove xmlrpclib.SlowParser. It was based on xmllib.
- Removed xmlrpclib.SlowParser. It was based on xmllib.
- Patch #1680961: atexit has been reimplemented in C.
- Add new codecs for UTF-32, UTF-32-LE and UTF-32-BE.
Build
-----
C API
-----
- Removed these Python slots:
__coerce__, __div__, __idiv__, __rdiv__
- Removed these Python slots: __coerce__, __div__, __idiv__, __rdiv__.
- Removed these C APIs:
PyNumber_Coerce(), PyNumber_CoerceEx(), PyMember_Get, PyMember_Set
- Removed these C APIs: PyNumber_Coerce(), PyNumber_CoerceEx(),
PyMember_Get, PyMember_Set.
- Removed these C slots/fields:
nb_divide, nb_inplace_divide
- Removed these C slots/fields: nb_divide, nb_inplace_divide.
- Removed these macros:
staticforward, statichere, PyArg_GetInt, PyArg_NoArgs, _PyObject_Del
- Removed these typedefs:
intargfunc, intintargfunc, intobjargproc, intintobjargproc,
getreadbufferproc, getwritebufferproc, getsegcountproc, getcharbufferproc,
memberlist
- Removed these macros: staticforward, statichere, PyArg_GetInt,
PyArg_NoArgs, _PyObject_Del.
- Removed these typedefs: intargfunc, intintargfunc, intobjargproc,
intintobjargproc, getreadbufferproc, getwritebufferproc,
getsegcountproc, getcharbufferproc, memberlist.
Tests
-----
- Removed test.testall as test.regrtest replaces it.
Documentation
-------------
Mac
---
- The cfmfile was removed.
- The cfmfile module was removed.
Platforms
---------
@ -700,8 +705,8 @@ Platforms
- Support for RiscOS, Irix, Tru64 was removed (alledgedly).
Tools/Demos
-----------
**(For information about older versions, consult the HISTORY file.)**