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Overload ast.parse to recognize that mode=exec means Module return. (#3039)

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This commit is contained in:
Carl Meyer
2019-06-17 15:27:14 -06:00
committed by Sebastian Rittau
parent 5447ff6bfe
commit fcb97fe8f1
1 changed files with 11 additions and 1 deletions
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12
stdlib/3/ast.pyi
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@@ -5,7 +5,8 @@ import sys
# from _ast below when loaded in an unorthodox way by the Dropbox
# internal Bazel integration.
import typing as _typing
from typing import Any, Iterator, Optional, Union, TypeVar
from typing import overload, Any, Iterator, Optional, Union, TypeVar
from typing_extensions import Literal
# The same unorthodox Bazel integration causes issues with sys, which
# is imported in both modules. unfortunately we can't just rename sys,
@@ -23,9 +24,18 @@ class NodeTransformer(NodeVisitor):
_T = TypeVar('_T', bound=AST)
if sys.version_info >= (3, 8):
@overload
def parse(source: Union[str, bytes], filename: Union[str, bytes] = ..., mode: Literal["exec"] = ...,
type_comments: bool = ..., feature_version: int = ...) -> Module: ...
@overload
def parse(source: Union[str, bytes], filename: Union[str, bytes] = ..., mode: str = ...,
type_comments: bool = ..., feature_version: int = ...) -> AST: ...
else:
@overload
def parse(source: Union[str, bytes], filename: Union[str, bytes] = ..., mode: Literal["exec"] = ...) -> Module: ...
@overload
def parse(source: Union[str, bytes], filename: Union[str, bytes] = ..., mode: str = ...) -> AST: ...
def copy_location(new_node: _T, old_node: AST) -> _T: ...