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Fix Match.group problems (#3172)

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* group() may return None values
* group() allows to mix int and str arguments
* Use concrete return type
* Merge overloads
This commit is contained in:
Sebastian Rittau
2019-08-08 16:59:20 +02:00
committed by GitHub
parent 6f01493edc
commit 3f6cec9872
1 changed files with 11 additions and 7 deletions
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18
stdlib/3/typing.pyi
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@@ -5,6 +5,9 @@ from abc import abstractmethod, ABCMeta
from types import CodeType, FrameType, TracebackType
import collections # Needed by aliases like DefaultDict, see mypy issue 2986
if sys.version_info < (3, 8):
from typing_extensions import Literal
# Definitions of special type checking related constructs. Their definition
# are not used, so their value does not matter.
@@ -526,15 +529,16 @@ class Match(Generic[AnyStr]):
def expand(self, template: AnyStr) -> AnyStr: ...
@overload
def group(self, group1: int = ...) -> AnyStr: ...
def group(self, __group: Literal[0] = ...) -> AnyStr: ...
@overload
def group(self, group1: str) -> AnyStr: ...
def group(self, __group: Union[str, int]) -> Optional[AnyStr]: ...
@overload
def group(self, group1: int, group2: int,
*groups: int) -> Sequence[AnyStr]: ...
@overload
def group(self, group1: str, group2: str,
*groups: str) -> Sequence[AnyStr]: ...
def group(
self,
__group1: Union[str, int],
__group2: Union[str, int],
*groups: Union[str, int],
) -> Tuple[Optional[AnyStr], ...]: ...
def groups(self, default: AnyStr = ...) -> Sequence[AnyStr]: ...
def groupdict(self, default: AnyStr = ...) -> dict[str, AnyStr]: ...