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ExceptionGroup: make it generic (#7626)

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This commit is contained in:
Jelle Zijlstra
2022-04-15 07:24:17 -07:00
committed by GitHub
parent 7f9be7fd00
commit e0654bdbc0
1 changed files with 36 additions and 11 deletions
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47
stdlib/builtins.pyi
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@@ -52,7 +52,6 @@ from typing import (
SupportsInt,
SupportsRound,
TypeVar,
Union,
overload,
)
from typing_extensions import Literal, SupportsIndex, TypeGuard, final
@@ -1747,19 +1746,45 @@ if sys.version_info >= (3, 10):
class EncodingWarning(Warning): ...
if sys.version_info >= (3, 11):
_SplitCondition = Union[type[BaseException], tuple[type[BaseException], ...], Callable[[BaseException], bool]]
_BaseExceptionT_co = TypeVar("_BaseExceptionT_co", bound=BaseException, covariant=True)
_BaseExceptionT = TypeVar("_BaseExceptionT", bound=BaseException)
_ExceptionT_co = TypeVar("_ExceptionT_co", bound=Exception, covariant=True)
_ExceptionT = TypeVar("_ExceptionT", bound=Exception)
class BaseExceptionGroup(BaseException):
def __new__(cls: type[Self], __message: str, __exceptions: Sequence[BaseException]) -> Self: ...
class BaseExceptionGroup(BaseException, Generic[_BaseExceptionT_co]):
def __new__(cls: type[Self], __message: str, __exceptions: Sequence[_BaseExceptionT_co]) -> Self: ...
@property
def message(self) -> str: ...
@property
def exceptions(self) -> tuple[BaseException, ...]: ...
def subgroup(self: Self, __condition: _SplitCondition) -> Self | None: ...
def split(self: Self, __condition: _SplitCondition) -> tuple[Self | None, Self | None]: ...
def derive(self: Self, __excs: Sequence[BaseException]) -> Self: ...
def exceptions(self) -> tuple[_BaseExceptionT_co | BaseExceptionGroup[_BaseExceptionT_co], ...]: ...
@overload
def subgroup(
self, __condition: type[_BaseExceptionT] | tuple[type[_BaseExceptionT], ...]
) -> BaseExceptionGroup[_BaseExceptionT] | None: ...
@overload
def subgroup(self: Self, __condition: Callable[[_BaseExceptionT_co], bool]) -> Self | None: ...
@overload
def split(
self: Self, __condition: type[_BaseExceptionT] | tuple[type[_BaseExceptionT], ...]
) -> tuple[BaseExceptionGroup[_BaseExceptionT] | None, Self | None]: ...
@overload
def split(self: Self, __condition: Callable[[_BaseExceptionT_co], bool]) -> tuple[Self | None, Self | None]: ...
def derive(self: Self, __excs: Sequence[_BaseExceptionT_co]) -> Self: ...
class ExceptionGroup(BaseExceptionGroup, Exception):
def __new__(cls: type[Self], __message: str, __exceptions: Sequence[Exception]) -> Self: ...
class ExceptionGroup(BaseExceptionGroup[_ExceptionT_co], Exception):
def __new__(cls: type[Self], __message: str, __exceptions: Sequence[_ExceptionT_co]) -> Self: ...
@property
def exceptions(self) -> tuple[Exception, ...]: ...
def exceptions(self) -> tuple[_ExceptionT_co | ExceptionGroup[_ExceptionT_co], ...]: ...
# We accept a narrower type, but that's OK.
@overload # type: ignore[override]
def subgroup(
self, __condition: type[_ExceptionT] | tuple[type[_ExceptionT], ...]
) -> ExceptionGroup[_ExceptionT] | None: ...
@overload
def subgroup(self: Self, __condition: Callable[[_ExceptionT_co], bool]) -> Self | None: ...
@overload # type: ignore[override]
def split(
self: Self, __condition: type[_ExceptionT] | tuple[type[_ExceptionT], ...]
) -> tuple[ExceptionGroup[_ExceptionT] | None, Self | None]: ...
@overload
def split(self: Self, __condition: Callable[[_ExceptionT_co], bool]) -> tuple[Self | None, Self | None]: ...