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Add defaultdict.__(r)or__; improve ChainMap.__(r)or__ and UserDict.__(r)or__ (#10427)

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Add __or__ to defaultdict

Also, add overloads with Self type to other __[r]or__ methods.
This commit is contained in:
Eugene Toder
2023-07-11 14:39:12 -04:00
committed by GitHub
parent 19992e6212
commit cfc5425cb3
2 changed files with 28 additions and 1 deletions
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23
stdlib/collections/__init__.pyi
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@@ -83,8 +83,14 @@ class UserDict(MutableMapping[_KT, _VT], Generic[_KT, _VT]):
@overload
def fromkeys(cls, iterable: Iterable[_T], value: _S) -> UserDict[_T, _S]: ...
if sys.version_info >= (3, 9):
@overload
def __or__(self, other: UserDict[_KT, _VT] | dict[_KT, _VT]) -> Self: ...
@overload
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]
@overload # type: ignore[misc]
def __ror__(self, other: UserDict[_KT, _VT] | dict[_KT, _VT]) -> Self: ...
@overload # type: ignore[misc]
def __ror__(self, other: UserDict[_T1, _T2] | dict[_T1, _T2]) -> UserDict[_KT | _T1, _VT | _T2]: ...
# UserDict.__ior__ should be kept roughly in line with MutableMapping.update()
@overload # type: ignore[misc]
def __ior__(self, other: SupportsKeysAndGetItem[_KT, _VT]) -> Self: ...
@@ -391,6 +397,15 @@ class defaultdict(dict[_KT, _VT], Generic[_KT, _VT]):
def __missing__(self, __key: _KT) -> _VT: ...
def __copy__(self) -> Self: ...
def copy(self) -> Self: ...
if sys.version_info >= (3, 9):
@overload
def __or__(self, __value: Mapping[_KT, _VT]) -> Self: ...
@overload
def __or__(self, __value: Mapping[_T1, _T2]) -> defaultdict[_KT | _T1, _VT | _T2]: ...
@overload
def __ror__(self, __value: Mapping[_KT, _VT]) -> Self: ...
@overload
def __ror__(self, __value: Mapping[_T1, _T2]) -> defaultdict[_KT | _T1, _VT | _T2]: ...
class ChainMap(MutableMapping[_KT, _VT], Generic[_KT, _VT]):
maps: list[MutableMapping[_KT, _VT]]
@@ -425,7 +440,13 @@ class ChainMap(MutableMapping[_KT, _VT], Generic[_KT, _VT]):
@overload
def fromkeys(cls, __iterable: Iterable[_T], __value: _S) -> ChainMap[_T, _S]: ...
if sys.version_info >= (3, 9):
@overload
def __or__(self, other: Mapping[_KT, _VT]) -> Self: ...
@overload
def __or__(self, other: Mapping[_T1, _T2]) -> ChainMap[_KT | _T1, _VT | _T2]: ...
@overload
def __ror__(self, other: Mapping[_KT, _VT]) -> Self: ...
@overload
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]