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Add warnings.catch_warning type hints with Literal. (#3464)

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Closes: #3463
This commit is contained in:
Michał Słapek
2019-11-14 11:08:50 +01:00
committed by Sebastian Rittau
parent 8b6cd5c3f0
commit 34d68ab0a2
1 changed files with 17 additions and 9 deletions
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26
stdlib/2and3/warnings.pyi
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@@ -1,7 +1,13 @@
# Stubs for warnings
from typing import Any, Dict, List, NamedTuple, Optional, overload, TextIO, Tuple, Type, Union
from types import ModuleType, TracebackType
import sys
from typing import Any, Dict, List, NamedTuple, Optional, overload, TextIO, Tuple, Type, Union, ContextManager
from types import ModuleType
if sys.version_info >= (3, 8):
from typing import Literal
else:
from typing_extensions import Literal
@overload
def warn(message: str, category: Optional[Type[Warning]] = ..., stacklevel: int = ...) -> None: ...
@@ -37,10 +43,12 @@ class _Record(NamedTuple):
file: Optional[TextIO]
line: Optional[str]
class catch_warnings:
def __init__(self, *, record: bool = ...,
module: Optional[ModuleType] = ...) -> None: ...
def __enter__(self) -> Optional[List[_Record]]: ...
def __exit__(self, exc_type: Optional[Type[BaseException]],
exc_val: Optional[BaseException],
exc_tb: Optional[TracebackType]) -> None: ...
@overload
def catch_warnings(*, record: Literal[False] = ..., module: Optional[ModuleType] = ...) -> ContextManager[None]: ...
@overload
def catch_warnings(*, record: Literal[True], module: Optional[ModuleType] = ...) -> ContextManager[List[_Record]]: ...
@overload
def catch_warnings(*, record: bool, module: Optional[ModuleType] = ...) -> ContextManager[Optional[List[_Record]]]: ...