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Add various __*or__ methods, and improve dict.__ior__ (#6961)

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This commit is contained in:
Alex Waygood
2022-01-19 11:24:16 +00:00
committed by GitHub
parent 30580a3732
commit 2170693e11
4 changed files with 51 additions and 1 deletions
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18
stdlib/collections/__init__.pyi
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@@ -14,6 +14,8 @@ else:
_S = TypeVar("_S")
_T = TypeVar("_T")
_T1 = TypeVar("_T1")
_T2 = TypeVar("_T2")
_KT = TypeVar("_KT")
_VT = TypeVar("_VT")
_KT_co = TypeVar("_KT_co", covariant=True)
@@ -64,6 +66,14 @@ class UserDict(MutableMapping[_KT, _VT], Generic[_KT, _VT]):
@classmethod
@overload
def fromkeys(cls, iterable: Iterable[_T], value: _S) -> UserDict[_T, _S]: ...
if sys.version_info >= (3, 9):
def __or__(self, other: UserDict[_T1, _T2] | dict[_T1, _T2]) -> UserDict[_KT | _T1, _VT | _T2]: ...
def __ror__(self, other: UserDict[_T1, _T2] | dict[_T1, _T2]) -> UserDict[_KT | _T1, _VT | _T2]: ... # type: ignore[misc]
# UserDict.__ior__ should be kept roughly in line with MutableMapping.update()
@overload # type: ignore[misc]
def __ior__(self: Self, other: SupportsKeysAndGetItem[_KT, _VT]) -> Self: ...
@overload
def __ior__(self: Self, other: Iterable[tuple[_KT, _VT]]) -> Self: ...
class UserList(MutableSequence[_T]):
data: list[_T]
@@ -334,3 +344,11 @@ class ChainMap(MutableMapping[_KT, _VT], Generic[_KT, _VT]):
@classmethod
@overload
def fromkeys(cls, __iterable: Iterable[_T], __value: _S) -> ChainMap[_T, _S]: ...
if sys.version_info >= (3, 9):
def __or__(self, other: Mapping[_T1, _T2]) -> ChainMap[_KT | _T1, _VT | _T2]: ...
def __ror__(self, other: Mapping[_T1, _T2]) -> ChainMap[_KT | _T1, _VT | _T2]: ...
# ChainMap.__ior__ should be kept roughly in line with MutableMapping.update()
@overload # type: ignore[misc]
def __ior__(self: Self, other: SupportsKeysAndGetItem[_KT, _VT]) -> Self: ...
@overload
def __ior__(self: Self, other: Iterable[tuple[_KT, _VT]]) -> Self: ...