cpython

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[3.9] bpo-41631: _ast module uses again a global state (GH-21961) (GH-22258)

Partially revert commit ac46eb4ad6662cf6d771b20d8963658b2186c48c:
"bpo-38113: Update the Python-ast.c generator to PEP384 (gh-15957)".

Using a module state per module instance is causing subtle practical
problems.

For example, the Mercurial project replaces the __import__() function
to implement lazy import, whereas Python expected that "import _ast"
always return a fully initialized _ast module.

Add _PyAST_Fini() to clear the state at exit.

The _ast module has no state (set _astmodule.m_size to 0). Remove
astmodule_traverse(), astmodule_clear() and astmodule_free()
functions..
(cherry picked from commit e5fbe0cbd4be99ced5f000ad382208ad2a561c90)

Co-authored-by: Victor Stinner <vstinner@python.org>

2020-09-15 20:32:56 +02:00

pegen

[3.9] bpo-41697: Correctly handle KeywordOrStarred when parsing arguments in the parser (GH-22077) (GH-22079)

2020-09-03 16:35:17 +01:00

pgen

Fix typo in the parser generator (GH-18603)

2020-03-09 02:58:24 +00:00

acceler.c

fix warnings by adding more const (GH-12924)

2019-04-23 20:39:37 +09:00

asdl_c.py

[3.9] bpo-41631: _ast module uses again a global state (GH-21961) (GH-22258)