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doc: update co_flags reference #132300

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9604b16
doc: true division doesn't use co_flags anymore
methane Apr 9, 2025
0006a4e
update co_flags docs
methane Apr 10, 2025
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apply suggested changes
methane Apr 10, 2025
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9 changes: 4 additions & 5 deletions Doc/reference/datamodel.rst
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Expand Up @@ -1526,18 +1526,17 @@ positional arguments; bit ``0x08`` is set if the function uses the
if the function is a generator. See :ref:`inspect-module-co-flags` for details
on the semantics of each flags that might be present.

Future feature declarations (``from __future__ import division``) also use bits
Future feature declarations (e.g. ``from __future__ import division``) also use bits
in :attr:`~codeobject.co_flags` to indicate whether a code object was compiled with a
particular feature enabled: bit ``0x2000`` is set if the function was compiled
with future division enabled; bits ``0x10`` and ``0x1000`` were used in earlier
versions of Python.
particular feature enabled. See :attr:`~__future__._Feature.compiler_flag`.

Other bits in :attr:`~codeobject.co_flags` are reserved for internal use.

.. index:: single: documentation string

If a code object represents a function and has a docstring,
the first item in :attr:`~codeobject.co_consts` is
the :data:`~inspect.CO_HAS_DOCSTRING` bit is set in :attr:`~codeobject.co_flags`
and the first item in :attr:`~codeobject.co_consts` is
the docstring of the function.

Methods on code objects
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