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bpo-37253: Document PyCompilerFlags.cf_feature_version #14019

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vstinner merged 2 commits into from
Jun 13, 2019
Merged

bpo-37253: Document PyCompilerFlags.cf_feature_version #14019

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bpo-37253: Document PyCompilerFlags.cf_feature_version
vstinner Jun 12, 2019
eb6eb72
fix typo
vstinner Jun 12, 2019
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19 changes: 15 additions & 4 deletions Doc/c-api/veryhigh.rst
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Expand Up @@ -388,11 +388,22 @@ the same library that the Python runtime is using.

Whenever ``PyCompilerFlags *flags`` is *NULL*, :attr:`cf_flags` is treated as
equal to ``0``, and any modification due to ``from __future__ import`` is
discarded. ::
discarded.

struct PyCompilerFlags {
int cf_flags;
}
.. c:member:: int cf_flags

Compiler flags.

.. c:member:: int cf_feature_version;

*cf_feature_version* is the minor Python version. It should be
initialized to ``PY_MINOR_VERSION``.

The field is ignored by default, it is used if and only if
``PyCF_ONLY_AST`` flag is set in *cf_flags*.

.. versionchanged:: 3.8
Added *cf_feature_version* field.


.. c:var:: int CO_FUTURE_DIVISION
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5 changes: 5 additions & 0 deletions Doc/whatsnew/3.8.rst
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Expand Up @@ -1312,6 +1312,11 @@ Changes in the Python API
Changes in the C API
--------------------

* The :c:type:`PyCompilerFlags` structure gets a new *cf_feature_version*
field. It should be initialized to ``PY_MINOR_VERSION``. The field is ignored
by default, it is used if and only if ``PyCF_ONLY_AST`` flag is set in
*cf_flags*.

* The :c:func:`PyEval_ReInitThreads` function has been removed from the C API.
It should not be called explicitly: use :c:func:`PyOS_AfterFork_Child`
instead.
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