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gh-118761: Optimise import time for ast (#131953)

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Adam Turner 2025-04-02 17:22:15 +01:00 • committed by GitHub
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commit f20f02e6b5
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6 changed files with 1168 additions and 1144 deletions
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1
.github/CODEOWNERS vendored
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@ -188,6 +188,7 @@ Python/ast_opt.c @isidentical @eclips4
Parser/asdl.py @isidentical @JelleZijlstra @eclips4
Parser/asdl_c.py @isidentical @JelleZijlstra @eclips4
Lib/ast.py @isidentical @JelleZijlstra @eclips4
Lib/_ast_unparse.py @isidentical @JelleZijlstra @eclips4
Lib/test/test_ast/ @eclips4
# Mock

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Lib/_ast_unparse.py Normal file
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Lib/ast.py
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Lib/test/test_ast/test_ast.py
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@ -1,3 +1,4 @@
import _ast_unparse
import ast
import builtins
import copy
@ -732,7 +733,7 @@ class AST_Tests(unittest.TestCase):
return self.__class__(self + 1)
except ValueError:
return self
enum._test_simple_enum(_Precedence, ast._Precedence)
enum._test_simple_enum(_Precedence, _ast_unparse._Precedence)
@support.cpython_only
@skip_wasi_stack_overflow()

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Misc/NEWS.d/next/Library/2025-03-31-19-19-36.gh-issue-118761.M0yFiZ.rst Normal file
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@ -0,0 +1,2 @@
Improve the import time of the :mod:`ast` module by extracting the
:func:`~ast.unparse` function to a helper module.

1
Python/stdlib_module_names.h generated
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@ -8,6 +8,7 @@ static const char* _Py_stdlib_module_names[] = {
"_android_support",
"_apple_support",
"_ast",
"_ast_unparse",
"_asyncio",
"_bisect",
"_blake2",