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bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670)

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* Rename PyConfig.use_peg to _use_peg_parser
* Document PyConfig._use_peg_parser and mark it a deprecated
* Mark -X oldparser option and PYTHONOLDPARSER env var as deprecated
  in the documentation.
* Add use_old_parser() and skip_if_new_parser() to test.support
* Remove sys.flags.use_peg: use_old_parser() uses
  _testinternalcapi.get_configs() instead.
* Enhance test_embed tests
* subprocess._args_from_interpreter_flags() copies -X oldparser
This commit is contained in:
Victor Stinner 2020-04-23 03:03:24 +02:00 • committed by GitHub
parent a25f3c4c8f
commit 1def7754b7
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26 changed files with 83 additions and 54 deletions
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10
Doc/c-api/init_config.rst
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@ -686,6 +686,16 @@ PyConfig
:data:`sys._xoptions`.
.. c:member:: int _use_peg_parser
Enable PEG parser? Default: 1.
Set to 0 by :option:`-X oldparser <-X>` and :envvar:`PYTHONOLDPARSER`.
See also :pep:`617`.
.. deprecated-removed:: 3.9 3.10
If ``parse_argv`` is non-zero, ``argv`` arguments are parsed the same
way the regular Python parses command line arguments, and Python
arguments are stripped from ``argv``: see :ref:`Command Line Arguments