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whatsnew: importlib deprecations. 

This addresses issue #20199, if I got it right.  The deprecation and
replacement lists are based on the importlib documentation.
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R David Murray 2014-02-22 14:28:46 -05:00
parent a773de040d
commit fce0082005
1 changed files with 24 additions and 4 deletions
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Doc/whatsnew/3.4.rst
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@ -1527,10 +1527,30 @@ Deprecated Python Modules, Functions and Methods
:meth:`difflib.SequenceMatcher.isbpopular` were removed: use ``x in sm.bjunk`` and :meth:`difflib.SequenceMatcher.isbpopular` were removed: use ``x in sm.bjunk`` and
``x in sm.bpopular``, where *sm* is a :class:`~difflib.SequenceMatcher` object. ``x in sm.bpopular``, where *sm* is a :class:`~difflib.SequenceMatcher` object.
* :func:`importlib.util.module_for_loader` is pending deprecation. Using * As mentioned in :ref:`whatsnew-pep-451`, a number of :mod:`importilb`
:func:`importlib.util.module_to_load` and methods and functions are deprecated: :meth:`importlib.find_loader` is
:meth:`importlib.abc.Loader.init_module_attrs` allows subclasses of a loader replaced by :func:`importlib.util.find_spec`;
to more easily customize module loading. :meth:`importlib.machinery.PathFinder.find_module` is replaced by
:meth:`importlib.machinery.PathFinder.find_spec`;
:meth:`importlib.abc.MetaPathFinder.find_module` is replaced by
:meth:`importlib.abc.MetaPathFinder.find_spec`;
:meth:`importlib.abc.PathEntryFinder.find_loader` and
:meth:`~importlib.abc.PathEntryFinder.find_module` are replaced by
:meth:`importlib.abc.PathEntryFinder.find_spec`; all of the ``xxxLoader`` ABC
``load_module`` methods (:meth:`importlib.abc.Loader.load_module`,
:meth:`importlib.abc.InspectLoader.load_module`,
:meth:`importlib.abc.FileLoader.load_module`,
:meth:`importlib.abc.SourceLoader.load_module`) should no longer be
implemented, instead loaders should implement an
``exec_module`` method
(:meth:`importlib.abc.Loader.exec_module`,
:meth:`importlib.abc.InspectLoader.exec_module`
:meth:`importlib.abc.SourceLoader.exec_module`) and let the import system
take care of the rest; and
:meth:`importlib.abc.Loader.module_repr`,
:meth:`importlib.util.module_for_loader`, :meth:`importlib.util.set_loader`,
and :meth:`importlib.util.set_package` are no longer needed because their
functions are now handled automatically by the import system.
* The :mod:`imp` module is pending deprecation. To keep compatibility with * The :mod:`imp` module is pending deprecation. To keep compatibility with
Python 2/3 code bases, the module's removal is currently not scheduled. Python 2/3 code bases, the module's removal is currently not scheduled.