gh-141778: add missing validation in ast.literal_eval() for non-string input#142969
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skirpichev wants to merge 7 commits into
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gh-141778: add missing validation in ast.literal_eval() for non-string input#142969skirpichev wants to merge 7 commits into
skirpichev wants to merge 7 commits into
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…-string input This also changes parsing of the private `__text_signature__` attribute by inspect.signature(). Now we accept here only types, valid for ast.Constant().
skirpichev
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Eclips4,
JelleZijlstra,
isidentical and
tomasr8
as code owners
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| def _convert_literal(node, omit_validation=False): |
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Why do we need this change? It may make life harder for some users.
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Could you be more precise, any example?
We need this, because literal_eval() accepts invalid AST for non-string input. Per documentation:
The string or node provided may only consist of the following Python literal structures: strings, bytes, numbers, tuples, lists, dicts, sets, booleans, None and Ellipsis.
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This also changes parsing of the private
__text_signature__attribute byinspect.signature(). Now we accept here only types, valid forast.Constant().