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[3.8] bpo-37253: Document PyCompilerFlags.cf_feature_version (GH-14019) (GH-14038)

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* Update PyCompilerFlags structure documentation.
* Document the new cf_feature_version field in the Changes in the C
  API section of the What's New in Python 3.8 doc.

(cherry picked from commit 2c9b498759)
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Victor Stinner 2019-06-13 02:40:41 +02:00 • committed by GitHub
parent 92e836c7dc
commit f9445a391e
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2 changed files with 20 additions and 4 deletions
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19
Doc/c-api/veryhigh.rst
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@ -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

5
Doc/whatsnew/3.8.rst
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@ -1293,6 +1293,11 @@ 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.