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gh-108113: Make it possible to create an optimized AST (#108154)

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Irit Katriel 2023-08-21 17:31:30 +01:00 • committed by GitHub
parent 47022a079e
commit 10a91d7e98
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10 changed files with 124 additions and 14 deletions
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6
Lib/ast.py
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@ -32,13 +32,15 @@ from enum import IntEnum, auto, _simple_enum
def parse(source, filename='<unknown>', mode='exec', *,
type_comments=False, feature_version=None):
type_comments=False, feature_version=None, optimize=-1):
"""
Parse the source into an AST node.
Equivalent to compile(source, filename, mode, PyCF_ONLY_AST).
Pass type_comments=True to get back type comments where the syntax allows.
"""
flags = PyCF_ONLY_AST
if optimize > 0:
flags |= PyCF_OPTIMIZED_AST
if type_comments:
flags |= PyCF_TYPE_COMMENTS
if feature_version is None:
@ -50,7 +52,7 @@ def parse(source, filename='<unknown>', mode='exec', *,
feature_version = minor
# Else it should be an int giving the minor version for 3.x.
return compile(source, filename, mode, flags,
_feature_version=feature_version)
_feature_version=feature_version, optimize=optimize)
def literal_eval(node_or_string):