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Add support for dict.{keys,values,items}.mapping (#6039)

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Co-authored-by: KotlinIsland <kotlinisland@users.noreply.github.com>
This commit is contained in:
KotlinIsland
2021-09-20 15:30:14 +10:00
committed by GitHub
parent 75c75a093e
commit 1b5c4e1d57
2 changed files with 34 additions and 25 deletions
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35
stdlib/collections/__init__.pyi
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@@ -1,21 +1,10 @@
import sys
from _typeshed import Self
from builtins import _dict_items, _dict_keys, _dict_values
from typing import Any, Dict, Generic, NoReturn, Tuple, Type, TypeVar, overload
if sys.version_info >= (3, 10):
from typing import (
Callable,
ItemsView,
Iterable,
Iterator,
KeysView,
Mapping,
MutableMapping,
MutableSequence,
Reversible,
Sequence,
ValuesView,
)
from typing import Callable, Iterable, Iterator, Mapping, MutableMapping, MutableSequence, Reversible, Sequence
else:
from _collections_abc import *
@@ -23,6 +12,8 @@ _S = TypeVar("_S")
_T = TypeVar("_T")
_KT = TypeVar("_KT")
_VT = TypeVar("_VT")
_KT_co = TypeVar("_KT_co", covariant=True)
_VT_co = TypeVar("_VT_co", covariant=True)
# namedtuple is special-cased in the type checker; the initializer is ignored.
if sys.version_info >= (3, 7):
@@ -247,23 +238,25 @@ class Counter(Dict[_T, int], Generic[_T]):
def __iand__(self, other: Counter[_T]) -> Counter[_T]: ...
def __ior__(self, other: Counter[_T]) -> Counter[_T]: ... # type: ignore
class _OrderedDictKeysView(KeysView[_KT], Reversible[_KT]):
def __reversed__(self) -> Iterator[_KT]: ...
class _OrderedDictKeysView(_dict_keys[_KT_co, _VT_co], Reversible[_KT_co]):
def __reversed__(self) -> Iterator[_KT_co]: ...
class _OrderedDictItemsView(ItemsView[_KT, _VT], Reversible[Tuple[_KT, _VT]]):
def __reversed__(self) -> Iterator[Tuple[_KT, _VT]]: ...
class _OrderedDictItemsView(_dict_items[_KT_co, _VT_co], Reversible[Tuple[_KT_co, _VT_co]]):
def __reversed__(self) -> Iterator[Tuple[_KT_co, _VT_co]]: ...
class _OrderedDictValuesView(ValuesView[_VT], Reversible[_VT]):
def __reversed__(self) -> Iterator[_VT]: ...
# The generics are the wrong way around because of a mypy limitation
# https://github.com/python/mypy/issues/11138
class _OrderedDictValuesView(_dict_values[_VT_co, _KT_co], Reversible[_VT_co], Generic[_VT_co, _KT_co]):
def __reversed__(self) -> Iterator[_VT_co]: ...
class OrderedDict(Dict[_KT, _VT], Reversible[_KT], Generic[_KT, _VT]):
def popitem(self, last: bool = ...) -> Tuple[_KT, _VT]: ...
def move_to_end(self, key: _KT, last: bool = ...) -> None: ...
def copy(self: _S) -> _S: ...
def __reversed__(self) -> Iterator[_KT]: ...
def keys(self) -> _OrderedDictKeysView[_KT]: ...
def keys(self) -> _OrderedDictKeysView[_KT, _VT]: ...
def items(self) -> _OrderedDictItemsView[_KT, _VT]: ...
def values(self) -> _OrderedDictValuesView[_VT]: ...
def values(self) -> _OrderedDictValuesView[_VT, _KT]: ...
class defaultdict(Dict[_KT, _VT], Generic[_KT, _VT]):
default_factory: Callable[[], _VT] | None