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Diffstat (limited to 'Doc/whatsnew/3.9.rst')
| -rw-r--r-- | Doc/whatsnew/3.9.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst index 9056289..690dbba 100644 --- a/Doc/whatsnew/3.9.rst +++ b/Doc/whatsnew/3.9.rst @@ -535,6 +535,12 @@ Deprecated (Contributed by Victor Stinner in :issue:`39353`.) +* :mod:`ast` classes ``Index`` and ``ExtSlice`` are considered deprecated + and will be removed in future Python versions. ``value`` itself should be + used instead of ``Index(value)``. ``Tuple(slices, Load())`` should be + used instead of ``ExtSlice(slices)``. + (Contributed by Serhiy Storchaka in :issue:`32892`.) + * The :c:func:`PyEval_InitThreads` and :c:func:`PyEval_ThreadsInitialized` functions are now deprecated and will be removed in Python 3.11. Calling :c:func:`PyEval_InitThreads` now does nothing. The :term:`GIL` is initialized @@ -667,10 +673,17 @@ Changes in the Python API since the *buffering* parameter has been removed. (Contributed by Victor Stinner in :issue:`39357`.) +* Simplified AST for subscription. Simple indices will be represented by + their value, extended slices will be represented as tuples. + ``Index(value)`` will return a ``value`` itself, ``ExtSlice(slices)`` + will return ``Tuple(slices, Load())``. + (Contributed by Serhiy Storchaka in :issue:`34822`.) + * The :mod:`importlib` module now ignores the :envvar:`PYTHONCASEOK` environment variable when the :option:`-E` or :option:`-I` command line options are being used. + CPython bytecode changes ------------------------ |