58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
# Copyright 2022-Present MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Type aliases used by PyMongo"""
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from typing import (
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TYPE_CHECKING,
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Any,
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Mapping,
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Optional,
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Sequence,
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Tuple,
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TypeVar,
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Union,
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)
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from bson.typings import _DocumentOut, _DocumentType, _DocumentTypeArg
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if TYPE_CHECKING:
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from pymongo.collation import Collation
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# Common Shared Types.
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_Address = Tuple[str, Optional[int]]
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_CollationIn = Union[Mapping[str, Any], "Collation"]
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_Pipeline = Sequence[Mapping[str, Any]]
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_T = TypeVar("_T")
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def strip_optional(elem: Optional[_T]) -> _T:
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"""This function is to allow us to cast all of the elements of an iterator from Optional[_T] to _T
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while inside a list comprehension.
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"""
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assert elem is not None
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return elem
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__all__ = [
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"_DocumentOut",
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"_DocumentType",
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"_DocumentTypeArg",
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"_Address",
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"_CollationIn",
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"_Pipeline",
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"strip_optional",
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]
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