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PYTHON-3868 add types to typings.py (#1324)

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Iris 2023-07-24 16:07:12 -07:00 committed by GitHub
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commit 43d3fa6774
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1 changed files with 13 additions and 2 deletions
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15
pymongo/typings.py
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@ -13,7 +13,16 @@
# limitations under the License.
"""Type aliases used by PyMongo"""
from typing import TYPE_CHECKING, Any, Mapping, Optional, Sequence, Tuple, Union
from typing import (
TYPE_CHECKING,
Any,
Mapping,
Optional,
Sequence,
Tuple,
TypeVar,
Union,
)
from bson.typings import _DocumentOut, _DocumentType, _DocumentTypeArg
@ -26,8 +35,10 @@ _Address = Tuple[str, Optional[int]]
_CollationIn = Union[Mapping[str, Any], "Collation"]
_Pipeline = Sequence[Mapping[str, Any]]
_T = TypeVar("_T")
def strip_optional(elem):
def strip_optional(elem: Optional[_T]) -> _T:
"""This function is to allow us to cast all of the elements of an iterator from Optional[_T] to _T
while inside a list comprehension.
"""