mirror of https://github.com/python/cpython
#5341: more built-in vs builtin fixes.
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@ -855,7 +855,7 @@ By default, ArgumentParser objects read command-line args in as simple strings.
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However, quite often the command-line string should instead be interpreted as
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However, quite often the command-line string should instead be interpreted as
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another type, like a :class:`float`, :class:`int` or :class:`file`. The
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another type, like a :class:`float`, :class:`int` or :class:`file`. The
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``type`` keyword argument of :meth:`add_argument` allows any necessary
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``type`` keyword argument of :meth:`add_argument` allows any necessary
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type-checking and type-conversions to be performed. Many common builtin types
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type-checking and type-conversions to be performed. Many common built-in types
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can be used directly as the value of the ``type`` argument::
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can be used directly as the value of the ``type`` argument::
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>>> parser = argparse.ArgumentParser()
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>>> parser = argparse.ArgumentParser()
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@ -119,7 +119,7 @@ searched. The global statement must precede all uses of the name.
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.. index:: pair: restricted; execution
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.. index:: pair: restricted; execution
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The built-in namespace associated with the execution of a code block is actually
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The builtins namespace associated with the execution of a code block is actually
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found by looking up the name ``__builtins__`` in its global namespace; this
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found by looking up the name ``__builtins__`` in its global namespace; this
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should be a dictionary or a module (in the latter case the module's dictionary
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should be a dictionary or a module (in the latter case the module's dictionary
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is used). By default, when in the :mod:`__main__` module, ``__builtins__`` is
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is used). By default, when in the :mod:`__main__` module, ``__builtins__`` is
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@ -131,7 +131,7 @@ weak form of restricted execution.
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.. impl-detail::
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.. impl-detail::
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Users should not touch ``__builtins__``; it is strictly an implementation
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Users should not touch ``__builtins__``; it is strictly an implementation
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detail. Users wanting to override values in the built-in namespace should
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detail. Users wanting to override values in the builtins namespace should
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:keyword:`import` the :mod:`__builtin__` (no 's') module and modify its
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:keyword:`import` the :mod:`__builtin__` (no 's') module and modify its
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attributes appropriately.
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attributes appropriately.
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@ -109,9 +109,9 @@ are:
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:func:`reduce` function.
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:func:`reduce` function.
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Python 3.0 adds several new built-in functions and changes the
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Python 3.0 adds several new built-in functions and changes the
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semantics of some existing built-ins. Functions that are new in 3.0
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semantics of some existing builtins. Functions that are new in 3.0
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such as :func:`bin` have simply been added to Python 2.6, but existing
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such as :func:`bin` have simply been added to Python 2.6, but existing
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built-ins haven't been changed; instead, the :mod:`future_builtins`
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builtins haven't been changed; instead, the :mod:`future_builtins`
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module has versions with the new 3.0 semantics. Code written to be
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module has versions with the new 3.0 semantics. Code written to be
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compatible with 3.0 can do ``from future_builtins import hex, map`` as
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compatible with 3.0 can do ``from future_builtins import hex, map`` as
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necessary.
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necessary.
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@ -833,7 +833,7 @@ formatted. It receives a single argument, the format specifier::
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else:
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else:
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return str(self)
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return str(self)
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There's also a :func:`format` built-in that will format a single
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There's also a :func:`format` builtin that will format a single
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value. It calls the type's :meth:`__format__` method with the
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value. It calls the type's :meth:`__format__` method with the
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provided specifier::
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provided specifier::
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@ -1164,7 +1164,7 @@ access protocol. Abstract Base Classes (or ABCs) are an equivalent
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feature for Python. The ABC support consists of an :mod:`abc` module
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feature for Python. The ABC support consists of an :mod:`abc` module
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containing a metaclass called :class:`ABCMeta`, special handling of
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containing a metaclass called :class:`ABCMeta`, special handling of
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this metaclass by the :func:`isinstance` and :func:`issubclass`
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this metaclass by the :func:`isinstance` and :func:`issubclass`
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built-ins, and a collection of basic ABCs that the Python developers
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builtins, and a collection of basic ABCs that the Python developers
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think will be widely useful. Future versions of Python will probably
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think will be widely useful. Future versions of Python will probably
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add more ABCs.
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add more ABCs.
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@ -1318,9 +1318,9 @@ an octal number, but it does add support for "0o" and "0b"::
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>>> 0b101111
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>>> 0b101111
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47
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47
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The :func:`oct` built-in still returns numbers
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The :func:`oct` builtin still returns numbers
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prefixed with a leading zero, and a new :func:`bin`
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prefixed with a leading zero, and a new :func:`bin`
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built-in returns the binary representation for a number::
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builtin returns the binary representation for a number::
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>>> oct(42)
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>>> oct(42)
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'052'
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'052'
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@ -1329,7 +1329,7 @@ built-in returns the binary representation for a number::
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>>> bin(173)
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>>> bin(173)
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'0b10101101'
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'0b10101101'
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The :func:`int` and :func:`long` built-ins will now accept the "0o"
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The :func:`int` and :func:`long` builtins will now accept the "0o"
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and "0b" prefixes when base-8 or base-2 are requested, or when the
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and "0b" prefixes when base-8 or base-2 are requested, or when the
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*base* argument is zero (signalling that the base used should be
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*base* argument is zero (signalling that the base used should be
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determined from the string)::
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determined from the string)::
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@ -1415,7 +1415,7 @@ can be shifted left and right with ``<<`` and ``>>``,
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combined using bitwise operations such as ``&`` and ``|``,
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combined using bitwise operations such as ``&`` and ``|``,
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and can be used as array indexes and slice boundaries.
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and can be used as array indexes and slice boundaries.
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In Python 3.0, the PEP slightly redefines the existing built-ins
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In Python 3.0, the PEP slightly redefines the existing builtins
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:func:`round`, :func:`math.floor`, :func:`math.ceil`, and adds a new
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:func:`round`, :func:`math.floor`, :func:`math.ceil`, and adds a new
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one, :func:`math.trunc`, that's been backported to Python 2.6.
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one, :func:`math.trunc`, that's been backported to Python 2.6.
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:func:`math.trunc` rounds toward zero, returning the closest
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:func:`math.trunc` rounds toward zero, returning the closest
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@ -1523,7 +1523,7 @@ Some smaller changes made to the core Python language are:
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Previously this would have been a syntax error.
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Previously this would have been a syntax error.
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(Contributed by Amaury Forgeot d'Arc; :issue:`3473`.)
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(Contributed by Amaury Forgeot d'Arc; :issue:`3473`.)
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* A new built-in, ``next(iterator, [default])`` returns the next item
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* A new builtin, ``next(iterator, [default])`` returns the next item
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from the specified iterator. If the *default* argument is supplied,
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from the specified iterator. If the *default* argument is supplied,
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it will be returned if *iterator* has been exhausted; otherwise,
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it will be returned if *iterator* has been exhausted; otherwise,
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the :exc:`StopIteration` exception will be raised. (Backported
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the :exc:`StopIteration` exception will be raised. (Backported
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@ -1952,9 +1952,9 @@ changes, or look through the Subversion logs for all the details.
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(Contributed by Phil Schwartz; :issue:`1221598`.)
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(Contributed by Phil Schwartz; :issue:`1221598`.)
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* The :func:`reduce` built-in function is also available in the
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* The :func:`reduce` built-in function is also available in the
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:mod:`functools` module. In Python 3.0, the built-in has been
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:mod:`functools` module. In Python 3.0, the builtin has been
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dropped and :func:`reduce` is only available from :mod:`functools`;
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dropped and :func:`reduce` is only available from :mod:`functools`;
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currently there are no plans to drop the built-in in the 2.x series.
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currently there are no plans to drop the builtin in the 2.x series.
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(Patched by Christian Heimes; :issue:`1739906`.)
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(Patched by Christian Heimes; :issue:`1739906`.)
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* When possible, the :mod:`getpass` module will now use
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* When possible, the :mod:`getpass` module will now use
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@ -2756,7 +2756,7 @@ The functions in this module currently include:
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* ``filter(predicate, iterable)``,
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* ``filter(predicate, iterable)``,
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``map(func, iterable1, ...)``: the 3.0 versions
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``map(func, iterable1, ...)``: the 3.0 versions
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return iterators, unlike the 2.x built-ins which return lists.
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return iterators, unlike the 2.x builtins which return lists.
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* ``hex(value)``, ``oct(value)``: instead of calling the
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* ``hex(value)``, ``oct(value)``: instead of calling the
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:meth:`__hex__` or :meth:`__oct__` methods, these versions will
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:meth:`__hex__` or :meth:`__oct__` methods, these versions will
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@ -195,7 +195,7 @@ class PyBuildExt(build_ext):
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libraries=math_libs) )
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libraries=math_libs) )
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# operator.add() and similar goodies
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# operator.add() and similar goodies
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exts.append( Extension('operator', ['operator.c']) )
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exts.append( Extension('operator', ['operator.c']) )
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# access to the builtin codecs and codec registry
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# access to the built-in codecs and codec registry
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exts.append( Extension('_codecs', ['_codecsmodule.c']) )
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exts.append( Extension('_codecs', ['_codecsmodule.c']) )
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# Python C API test module
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# Python C API test module
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exts.append( Extension('_testcapi', ['_testcapimodule.c']) )
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exts.append( Extension('_testcapi', ['_testcapimodule.c']) )
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72
Misc/HISTORY
72
Misc/HISTORY
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@ -1154,7 +1154,7 @@ Core and builtins
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- Bug #1244610, #1392915, fix build problem on OpenBSD 3.7 and 3.8.
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- Bug #1244610, #1392915, fix build problem on OpenBSD 3.7 and 3.8.
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configure would break checking curses.h.
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configure would break checking curses.h.
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- Bug #959576: The pwd module is now builtin. This allows Python to be
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- Bug #959576: The pwd module is now built in. This allows Python to be
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built on UNIX platforms without $HOME set.
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built on UNIX platforms without $HOME set.
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- Bug #1072182, fix some potential problems if characters are signed.
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- Bug #1072182, fix some potential problems if characters are signed.
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@ -1187,7 +1187,7 @@ Core and builtins
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it will now use a default error message in this case.
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it will now use a default error message in this case.
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- Replaced most Unicode charmap codecs with new ones using the
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- Replaced most Unicode charmap codecs with new ones using the
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new Unicode translate string feature in the builtin charmap
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new Unicode translate string feature in the built-in charmap
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codec; the codecs were created from the mapping tables available
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codec; the codecs were created from the mapping tables available
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at ftp.unicode.org and contain a few updates (e.g. the Mac OS
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at ftp.unicode.org and contain a few updates (e.g. the Mac OS
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encodings now include a mapping for the Apple logo)
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encodings now include a mapping for the Apple logo)
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@ -1642,7 +1642,7 @@ Library
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current file number.
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current file number.
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- Patch #1349274: gettext.install() now optionally installs additional
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- Patch #1349274: gettext.install() now optionally installs additional
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translation functions other than _() in the builtin namespace.
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translation functions other than _() in the builtins namespace.
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- Patch #1337756: fileinput now accepts Unicode filenames.
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- Patch #1337756: fileinput now accepts Unicode filenames.
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@ -2013,7 +2013,7 @@ Build
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- Patch #881820: look for openpty and forkpty also in libbsd.
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- Patch #881820: look for openpty and forkpty also in libbsd.
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- The sources of zlib are now part of the Python distribution (zlib 1.2.3).
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- The sources of zlib are now part of the Python distribution (zlib 1.2.3).
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The zlib module is now builtin on Windows.
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The zlib module is now built in on Windows.
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- Use -xcode=pic32 for CCSHARED on Solaris with SunPro.
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- Use -xcode=pic32 for CCSHARED on Solaris with SunPro.
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@ -2848,7 +2848,7 @@ Library
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- Patch #846659. Fix an error in tarfile.py when using
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- Patch #846659. Fix an error in tarfile.py when using
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GNU longname/longlink creation.
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GNU longname/longlink creation.
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- The obsolete FCNTL.py has been deleted. The builtin fcntl module
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- The obsolete FCNTL.py has been deleted. The built-in fcntl module
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has been available (on platforms that support fcntl) since Python
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has been available (on platforms that support fcntl) since Python
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1.5a3, and all FCNTL.py did is export fcntl's names, after generating
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1.5a3, and all FCNTL.py did is export fcntl's names, after generating
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a deprecation warning telling you to use fcntl directly.
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a deprecation warning telling you to use fcntl directly.
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@ -3102,7 +3102,7 @@ Core and builtins
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segfault in a debug build, but provided less predictable behavior in
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segfault in a debug build, but provided less predictable behavior in
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a release build.
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a release build.
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- input() builtin function now respects compiler flags such as
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- input() built-in function now respects compiler flags such as
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__future__ statements. SF patch 876178.
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__future__ statements. SF patch 876178.
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- Removed PendingDeprecationWarning from apply(). apply() remains
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- Removed PendingDeprecationWarning from apply(). apply() remains
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@ -3163,12 +3163,12 @@ Core and builtins
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- Compiler flags set in PYTHONSTARTUP are now active in __main__.
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- Compiler flags set in PYTHONSTARTUP are now active in __main__.
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- Added two builtin types, set() and frozenset().
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- Added two built-in types, set() and frozenset().
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- Added a reversed() builtin function that returns a reverse iterator
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- Added a reversed() built-in function that returns a reverse iterator
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over a sequence.
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over a sequence.
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- Added a sorted() builtin function that returns a new sorted list
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- Added a sorted() built-in function that returns a new sorted list
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from any iterable.
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from any iterable.
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- CObjects are now mutable (on the C level) through PyCObject_SetVoidPtr.
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- CObjects are now mutable (on the C level) through PyCObject_SetVoidPtr.
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@ -3207,7 +3207,7 @@ Core and builtins
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When comparing containers with cyclic references to themselves it
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When comparing containers with cyclic references to themselves it
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will now just hit the recursion limit. See SF patch 825639.
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will now just hit the recursion limit. See SF patch 825639.
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- str and unicode builtin types now have an rsplit() method that is
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- str and unicode built-in types now have an rsplit() method that is
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same as split() except that it scans the string from the end
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same as split() except that it scans the string from the end
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working towards the beginning. See SF feature request 801847.
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working towards the beginning. See SF feature request 801847.
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@ -3758,7 +3758,7 @@ Core and builtins
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- A warning about assignments to module attributes that shadow
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- A warning about assignments to module attributes that shadow
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builtins, present in earlier releases of 2.3, has been removed.
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builtins, present in earlier releases of 2.3, has been removed.
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- It is not possible to create subclasses of builtin types like str
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- It is not possible to create subclasses of built-in types like str
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and tuple that define an itemsize. Earlier releases of Python 2.3
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and tuple that define an itemsize. Earlier releases of Python 2.3
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allowed this by mistake, leading to crashes and other problems.
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allowed this by mistake, leading to crashes and other problems.
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@ -4233,13 +4233,13 @@ Core and builtins
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- New format codes B, H, I, k and K have been implemented for
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- New format codes B, H, I, k and K have been implemented for
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PyArg_ParseTuple and PyBuild_Value.
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PyArg_ParseTuple and PyBuild_Value.
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- New builtin function sum(seq, start=0) returns the sum of all the
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- New built-in function sum(seq, start=0) returns the sum of all the
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items in iterable object seq, plus start (items are normally numbers,
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items in iterable object seq, plus start (items are normally numbers,
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and cannot be strings).
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and cannot be strings).
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- bool() called without arguments now returns False rather than
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- bool() called without arguments now returns False rather than
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raising an exception. This is consistent with calling the
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raising an exception. This is consistent with calling the
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constructors for the other builtin types -- called without argument
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constructors for the other built-in types -- called without argument
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they all return the false value of that type. (SF patch #724135)
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they all return the false value of that type. (SF patch #724135)
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- In support of PEP 269 (making the pgen parser generator accessible
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- In support of PEP 269 (making the pgen parser generator accessible
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@ -4764,7 +4764,7 @@ Library
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internals, and supplies some helpers for working with pickles, such as
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internals, and supplies some helpers for working with pickles, such as
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a symbolic pickle disassembler.
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a symbolic pickle disassembler.
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- Xmlrpclib.py now supports the builtin boolean type.
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- xmlrpclib.py now supports the built-in boolean type.
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- py_compile has a new 'doraise' flag and a new PyCompileError
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- py_compile has a new 'doraise' flag and a new PyCompileError
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exception.
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exception.
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@ -5015,8 +5015,8 @@ Core and builtins
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trace function to change which line will execute next. A command to
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trace function to change which line will execute next. A command to
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exploit this from pdb has been added. [SF patch #643835]
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exploit this from pdb has been added. [SF patch #643835]
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- The _codecs support module for codecs.py was turned into a builtin
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- The _codecs support module for codecs.py was turned into a built-in
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module to assure that at least the builtin codecs are available
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module to assure that at least the built-in codecs are available
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to the Python parser for source code decoding according to PEP 263.
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to the Python parser for source code decoding according to PEP 263.
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- issubclass now supports a tuple as the second argument, just like
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- issubclass now supports a tuple as the second argument, just like
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@ -5174,13 +5174,13 @@ Core and builtins
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- Unicode objects in sys.path are no longer ignored but treated
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- Unicode objects in sys.path are no longer ignored but treated
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as directory names.
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as directory names.
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- Fixed string.startswith and string.endswith builtin methods
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- Fixed string.startswith and string.endswith built-in methods
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so they accept negative indices. [SF bug 493951]
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so they accept negative indices. [SF bug 493951]
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- Fixed a bug with a continue inside a try block and a yield in the
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- Fixed a bug with a continue inside a try block and a yield in the
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finally clause. [SF bug 567538]
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finally clause. [SF bug 567538]
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- Most builtin sequences now support "extended slices", i.e. slices
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- Most built-in sequences now support "extended slices", i.e. slices
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with a third "stride" parameter. For example, "hello world"[::-1]
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with a third "stride" parameter. For example, "hello world"[::-1]
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gives "dlrow olleh".
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gives "dlrow olleh".
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@ -5195,7 +5195,7 @@ Core and builtins
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||||||
method no longer exist. xrange repetition and slicing have been
|
method no longer exist. xrange repetition and slicing have been
|
||||||
removed.
|
removed.
|
||||||
|
|
||||||
- New builtin function enumerate(x), from PEP 279. Example:
|
- New built-in function enumerate(x), from PEP 279. Example:
|
||||||
enumerate("abc") is an iterator returning (0,"a"), (1,"b"), (2,"c").
|
enumerate("abc") is an iterator returning (0,"a"), (1,"b"), (2,"c").
|
||||||
The argument can be an arbitrary iterable object.
|
The argument can be an arbitrary iterable object.
|
||||||
|
|
||||||
|
@ -5744,7 +5744,7 @@ Build
|
||||||
Presumably 2.3a1 breaks such systems. If anyone uses such a system, help!
|
Presumably 2.3a1 breaks such systems. If anyone uses such a system, help!
|
||||||
|
|
||||||
- The configure option --without-doc-strings can be used to remove the
|
- The configure option --without-doc-strings can be used to remove the
|
||||||
doc strings from the builtin functions and modules; this reduces the
|
doc strings from the built-in functions and modules; this reduces the
|
||||||
size of the executable.
|
size of the executable.
|
||||||
|
|
||||||
- The universal newlines option (PEP 278) is on by default. On Unix
|
- The universal newlines option (PEP 278) is on by default. On Unix
|
||||||
|
@ -5980,7 +5980,7 @@ Mac
|
||||||
available for convenience.
|
available for convenience.
|
||||||
|
|
||||||
- New Carbon modules File (implementing the APIs in Files.h and Aliases.h)
|
- New Carbon modules File (implementing the APIs in Files.h and Aliases.h)
|
||||||
and Folder (APIs from Folders.h). The old macfs builtin module is
|
and Folder (APIs from Folders.h). The old macfs built-in module is
|
||||||
gone, and replaced by a Python wrapper around the new modules.
|
gone, and replaced by a Python wrapper around the new modules.
|
||||||
|
|
||||||
- Pathname handling should now be fully consistent: MacPython-OSX always uses
|
- Pathname handling should now be fully consistent: MacPython-OSX always uses
|
||||||
|
@ -6202,7 +6202,7 @@ Build
|
||||||
C API
|
C API
|
||||||
-----
|
-----
|
||||||
|
|
||||||
- New function PyDict_MergeFromSeq2() exposes the builtin dict
|
- New function PyDict_MergeFromSeq2() exposes the built-in dict
|
||||||
constructor's logic for updating a dictionary from an iterable object
|
constructor's logic for updating a dictionary from an iterable object
|
||||||
producing key-value pairs.
|
producing key-value pairs.
|
||||||
|
|
||||||
|
@ -6253,7 +6253,7 @@ Type/class unification and new-style classes
|
||||||
using new-style MRO rules if any base class is a new-style class.
|
using new-style MRO rules if any base class is a new-style class.
|
||||||
This needs to be documented.
|
This needs to be documented.
|
||||||
|
|
||||||
- The new builtin dictionary() constructor, and dictionary type, have
|
- The new built-in dictionary() constructor, and dictionary type, have
|
||||||
been renamed to dict. This reflects a decade of common usage.
|
been renamed to dict. This reflects a decade of common usage.
|
||||||
|
|
||||||
- dict() now accepts an iterable object producing 2-sequences. For
|
- dict() now accepts an iterable object producing 2-sequences. For
|
||||||
|
@ -6708,9 +6708,9 @@ Type/class unification and new-style classes
|
||||||
The new class must have the same C-level object layout as the old
|
The new class must have the same C-level object layout as the old
|
||||||
class.
|
class.
|
||||||
|
|
||||||
- The builtin file type can be subclassed now. In the usual pattern,
|
- The built-in file type can be subclassed now. In the usual pattern,
|
||||||
"file" is the name of the builtin type, and file() is a new builtin
|
"file" is the name of the built-in type, and file() is a new built-in
|
||||||
constructor, with the same signature as the builtin open() function.
|
constructor, with the same signature as the built-in open() function.
|
||||||
file() is now the preferred way to open a file.
|
file() is now the preferred way to open a file.
|
||||||
|
|
||||||
- Previously, __new__ would only see sequential arguments passed to
|
- Previously, __new__ would only see sequential arguments passed to
|
||||||
|
@ -6724,7 +6724,7 @@ Type/class unification and new-style classes
|
||||||
- Previously, an operation on an instance of a subclass of an
|
- Previously, an operation on an instance of a subclass of an
|
||||||
immutable type (int, long, float, complex, tuple, str, unicode),
|
immutable type (int, long, float, complex, tuple, str, unicode),
|
||||||
where the subtype didn't override the operation (and so the
|
where the subtype didn't override the operation (and so the
|
||||||
operation was handled by the builtin type), could return that
|
operation was handled by the built-in type), could return that
|
||||||
instance instead a value of the base type. For example, if s was of
|
instance instead a value of the base type. For example, if s was of
|
||||||
a str subclass type, s[:] returned s as-is. Now it returns a str
|
a str subclass type, s[:] returned s as-is. Now it returns a str
|
||||||
with the same value as s.
|
with the same value as s.
|
||||||
|
@ -6772,7 +6772,7 @@ Library
|
||||||
called for each iteration until it returns an empty string).
|
called for each iteration until it returns an empty string).
|
||||||
|
|
||||||
- The codecs module has grown four new helper APIs to access
|
- The codecs module has grown four new helper APIs to access
|
||||||
builtin codecs: getencoder(), getdecoder(), getreader(),
|
built-in codecs: getencoder(), getdecoder(), getreader(),
|
||||||
getwriter().
|
getwriter().
|
||||||
|
|
||||||
- SimpleXMLRPCServer: a new module (based upon SimpleHTMLServer)
|
- SimpleXMLRPCServer: a new module (based upon SimpleHTMLServer)
|
||||||
|
@ -7902,7 +7902,7 @@ Core language, builtins, and interpreter
|
||||||
|
|
||||||
In all previous version of Python, names were resolved in exactly
|
In all previous version of Python, names were resolved in exactly
|
||||||
three namespaces -- the local namespace, the global namespace, and
|
three namespaces -- the local namespace, the global namespace, and
|
||||||
the builtin namespace. According to this old definition, if a
|
the builtins namespace. According to this old definition, if a
|
||||||
function A is defined within a function B, the names bound in B are
|
function A is defined within a function B, the names bound in B are
|
||||||
not visible in A. The new rules make names bound in B visible in A,
|
not visible in A. The new rules make names bound in B visible in A,
|
||||||
unless A contains a name binding that hides the binding in B.
|
unless A contains a name binding that hides the binding in B.
|
||||||
|
@ -7923,7 +7923,7 @@ Core language, builtins, and interpreter
|
||||||
return str.strip()
|
return str.strip()
|
||||||
|
|
||||||
Under the old rules, the name str in helper() is bound to the
|
Under the old rules, the name str in helper() is bound to the
|
||||||
builtin function str(). Under the new rules, it will be bound to
|
built-in function str(). Under the new rules, it will be bound to
|
||||||
the argument named str and an error will occur when helper() is
|
the argument named str and an error will occur when helper() is
|
||||||
called.
|
called.
|
||||||
|
|
||||||
|
@ -8421,7 +8421,7 @@ Core language, builtins, and interpreter
|
||||||
assignment, e.g. +=, was fixed.
|
assignment, e.g. +=, was fixed.
|
||||||
|
|
||||||
- Raise ZeroDivisionError when raising zero to a negative number,
|
- Raise ZeroDivisionError when raising zero to a negative number,
|
||||||
e.g. 0.0 ** -2.0. Note that math.pow is unrelated to the builtin
|
e.g. 0.0 ** -2.0. Note that math.pow is unrelated to the built-in
|
||||||
power operator and the result of math.pow(0.0, -2.0) will vary by
|
power operator and the result of math.pow(0.0, -2.0) will vary by
|
||||||
platform. On Linux, it raises a ValueError.
|
platform. On Linux, it raises a ValueError.
|
||||||
|
|
||||||
|
@ -12671,7 +12671,7 @@ done to prevent accidental subdirectories with common names from
|
||||||
overriding modules with the same name.
|
overriding modules with the same name.
|
||||||
|
|
||||||
- Fixed some strange exceptions in __del__ methods in library modules
|
- Fixed some strange exceptions in __del__ methods in library modules
|
||||||
(e.g. urllib). This happens because the builtin names are already
|
(e.g. urllib). This happens because the built-in names are already
|
||||||
deleted by the time __del__ is called. The solution (a hack, but it
|
deleted by the time __del__ is called. The solution (a hack, but it
|
||||||
works) is to set some instance variables to 0 instead of None.
|
works) is to set some instance variables to 0 instead of None.
|
||||||
|
|
||||||
|
@ -13374,8 +13374,8 @@ is set to somevalue.__class__, and SomeClass is ignored after that.
|
||||||
f(a=1,a=2) is now a syntax error.
|
f(a=1,a=2) is now a syntax error.
|
||||||
|
|
||||||
|
|
||||||
Changes to builtin features
|
Changes to built-in features
|
||||||
---------------------------
|
----------------------------
|
||||||
|
|
||||||
- There's a new exception FloatingPointError (used only by Lee Busby's
|
- There's a new exception FloatingPointError (used only by Lee Busby's
|
||||||
patches to catch floating point exceptions, at the moment).
|
patches to catch floating point exceptions, at the moment).
|
||||||
|
@ -14675,7 +14675,7 @@ intervention may still be required.) (This has been fixed in 1.4beta3.)
|
||||||
|
|
||||||
- New modules: errno, operator (XXX).
|
- New modules: errno, operator (XXX).
|
||||||
|
|
||||||
- Changes for use with Numerical Python: builtin function slice() and
|
- Changes for use with Numerical Python: built-in function slice() and
|
||||||
Ellipses object, and corresponding syntax:
|
Ellipses object, and corresponding syntax:
|
||||||
|
|
||||||
x[lo:hi:stride] == x[slice(lo, hi, stride)]
|
x[lo:hi:stride] == x[slice(lo, hi, stride)]
|
||||||
|
@ -15163,7 +15163,7 @@ Complex in the library.
|
||||||
|
|
||||||
- The functions posix.popen() and posix.fdopen() now have an optional
|
- The functions posix.popen() and posix.fdopen() now have an optional
|
||||||
third argument to specify the buffer size, and default their second
|
third argument to specify the buffer size, and default their second
|
||||||
(mode) argument to 'r' -- in analogy to the builtin open() function.
|
(mode) argument to 'r' -- in analogy to the built-in open() function.
|
||||||
The same applies to posixfile.open() and the socket method makefile().
|
The same applies to posixfile.open() and the socket method makefile().
|
||||||
|
|
||||||
- The thread.exit_thread() function now raises SystemExit so that
|
- The thread.exit_thread() function now raises SystemExit so that
|
||||||
|
|
18
Misc/NEWS
18
Misc/NEWS
|
@ -673,8 +673,8 @@ Core and Builtins
|
||||||
- Issue #4618: When unicode arguments are passed to print(), the default
|
- Issue #4618: When unicode arguments are passed to print(), the default
|
||||||
separator and end should be unicode also.
|
separator and end should be unicode also.
|
||||||
|
|
||||||
- Issue #6119: Fixed a incorrect Py3k warning about order comparisons of builtin
|
- Issue #6119: Fixed an incorrect Py3k warning about order comparisons of
|
||||||
functions and methods.
|
built-in functions and methods.
|
||||||
|
|
||||||
- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
|
- Issue #6347: Include inttypes.h as well as stdint.h in pyport.h.
|
||||||
This fixes a build failure on HP-UX: int32_t and uint32_t are
|
This fixes a build failure on HP-UX: int32_t and uint32_t are
|
||||||
|
@ -778,7 +778,7 @@ Core and Builtins
|
||||||
correctly rounded.
|
correctly rounded.
|
||||||
|
|
||||||
- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
|
- Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
|
||||||
some builtin types.
|
some built-in types.
|
||||||
|
|
||||||
- Issue #1869: fix a couple of minor round() issues. round(5e15+1)
|
- Issue #1869: fix a couple of minor round() issues. round(5e15+1)
|
||||||
was giving 5e15+2; round(-0.0) was losing the sign of the zero.
|
was giving 5e15+2; round(-0.0) was losing the sign of the zero.
|
||||||
|
@ -3747,7 +3747,7 @@ Core and builtins
|
||||||
- Fixed a minor memory leak in dictobject.c. The content of the free
|
- Fixed a minor memory leak in dictobject.c. The content of the free
|
||||||
list was not freed on interpreter shutdown.
|
list was not freed on interpreter shutdown.
|
||||||
|
|
||||||
- Limit free list of method and builtin function objects to 256
|
- Limit free list of method and built-in function objects to 256
|
||||||
entries each.
|
entries each.
|
||||||
|
|
||||||
- Patch #1953: Added ``sys._compact_freelists()`` and the C API
|
- Patch #1953: Added ``sys._compact_freelists()`` and the C API
|
||||||
|
@ -3881,7 +3881,7 @@ Core and builtins
|
||||||
|
|
||||||
- Fix warnings found by the new version of the Coverity checker.
|
- Fix warnings found by the new version of the Coverity checker.
|
||||||
|
|
||||||
- The enumerate() builtin function is no longer bounded to sequences
|
- The enumerate() built-in function is no longer bounded to sequences
|
||||||
smaller than LONG_MAX. Formerly, it raised an OverflowError. Now,
|
smaller than LONG_MAX. Formerly, it raised an OverflowError. Now,
|
||||||
automatically shifts from ints to longs.
|
automatically shifts from ints to longs.
|
||||||
|
|
||||||
|
@ -3942,7 +3942,7 @@ Core and builtins
|
||||||
- Deprecate BaseException.message as per PEP 352.
|
- Deprecate BaseException.message as per PEP 352.
|
||||||
|
|
||||||
- Issue #1303614: don't expose object's __dict__ when the dict is
|
- Issue #1303614: don't expose object's __dict__ when the dict is
|
||||||
inherited from a builtin base.
|
inherited from a built-in base.
|
||||||
|
|
||||||
- When __slots__ are set to a unicode string, make it work the same as
|
- When __slots__ are set to a unicode string, make it work the same as
|
||||||
setting a plain string, ie don't expand to single letter identifiers.
|
setting a plain string, ie don't expand to single letter identifiers.
|
||||||
|
@ -4851,7 +4851,7 @@ Library
|
||||||
GNU modes.
|
GNU modes.
|
||||||
|
|
||||||
- Bug #1586448: the compiler module now emits the same bytecode for
|
- Bug #1586448: the compiler module now emits the same bytecode for
|
||||||
list comprehensions as the builtin compiler, using the LIST_APPEND
|
list comprehensions as the built-in compiler, using the LIST_APPEND
|
||||||
opcode.
|
opcode.
|
||||||
|
|
||||||
- Fix codecs.EncodedFile which did not use file_encoding in 2.5.0, and
|
- Fix codecs.EncodedFile which did not use file_encoding in 2.5.0, and
|
||||||
|
@ -5083,7 +5083,7 @@ Extension Modules
|
||||||
- Bug #1653736: Complain about keyword arguments to time.isoformat.
|
- Bug #1653736: Complain about keyword arguments to time.isoformat.
|
||||||
|
|
||||||
- Bug #1486663: don't reject keyword arguments for subclasses of
|
- Bug #1486663: don't reject keyword arguments for subclasses of
|
||||||
builtin types.
|
built-in types.
|
||||||
|
|
||||||
- Patch #1610575: The struct module now supports the 't' code, for C99
|
- Patch #1610575: The struct module now supports the 't' code, for C99
|
||||||
_Bool.
|
_Bool.
|
||||||
|
@ -5266,7 +5266,7 @@ Documentation
|
||||||
- Bug #1629566: clarify the docs on the return values of parsedate()
|
- Bug #1629566: clarify the docs on the return values of parsedate()
|
||||||
and parsedate_tz() in email.utils and rfc822.
|
and parsedate_tz() in email.utils and rfc822.
|
||||||
|
|
||||||
- Patch #1671450: add a section about subclassing builtin types to the
|
- Patch #1671450: add a section about subclassing built-in types to the
|
||||||
"extending and embedding" tutorial.
|
"extending and embedding" tutorial.
|
||||||
|
|
||||||
- Bug #1629125: fix wrong data type (int -> Py_ssize_t) in PyDict_Next
|
- Bug #1629125: fix wrong data type (int -> Py_ssize_t) in PyDict_Next
|
||||||
|
|
|
@ -37,7 +37,7 @@ Py_TRACE_REFS introduced in 1.4
|
||||||
|
|
||||||
Turn on heavy reference debugging. This is major surgery. Every PyObject
|
Turn on heavy reference debugging. This is major surgery. Every PyObject
|
||||||
grows two more pointers, to maintain a doubly-linked list of all live
|
grows two more pointers, to maintain a doubly-linked list of all live
|
||||||
heap-allocated objects. Most builtin type objects are not in this list,
|
heap-allocated objects. Most built-in type objects are not in this list,
|
||||||
as they're statically allocated. Starting in Python 2.3, if COUNT_ALLOCS
|
as they're statically allocated. Starting in Python 2.3, if COUNT_ALLOCS
|
||||||
(see below) is also defined, a static type object T does appear in this
|
(see below) is also defined, a static type object T does appear in this
|
||||||
list if at least one object of type T has been created.
|
list if at least one object of type T has been created.
|
||||||
|
|
Loading…
Reference in New Issue