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Tighten the metadata type of ExpressionContextProvider (#760)

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MapleCCC 2022-08-29 23:46:08 +08:00 • committed by GitHub
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commit 64811b7795
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1 changed files with 3 additions and 3 deletions
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6
libcst/metadata/expression_context_provider.py
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@ -201,7 +201,7 @@ class ExpressionContextVisitor(cst.CSTVisitor):
return False
class ExpressionContextProvider(BatchableMetadataProvider[Optional[ExpressionContext]]):
class ExpressionContextProvider(BatchableMetadataProvider[ExpressionContext]):
"""
Provides :class:`ExpressionContext` metadata (mimics the `expr_context
<https://docs.python.org/3/library/ast.html>`__ in ast) for the
@ -209,9 +209,9 @@ class ExpressionContextProvider(BatchableMetadataProvider[Optional[ExpressionCon
:class:`~libcst.Attribute`, :class:`~libcst.Subscript`,
:class:`~libcst.StarredElement` , :class:`~libcst.List`,
:class:`~libcst.Tuple` and :class:`~libcst.Name`.
Not that a :class:`~libcst.Name` may not always has context because of the differences between
Note that a :class:`~libcst.Name` may not always have context because of the differences between
ast and LibCST. E.g. :attr:`~libcst.Attribute.attr` is a :class:`~libcst.Name` in LibCST
but a str in ast. To honor ast implementation, we don't assignment context to
but a str in ast. To honor ast implementation, we don't assign context to
:attr:`~libcst.Attribute.attr`.