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83054af46f
The typing_extensions package is only necessary now when running mypy. It won't be used at runtime anymore.
53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2022 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Type definitions for typing annotations.
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Complex type definitions are moved here, to keep the source files readable.
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"""
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from typing import Any, Union, Mapping, TypeVar, Sequence, TYPE_CHECKING
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# Generics varaible names do not confirm to naming styles, ignore globally here.
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# pylint: disable=invalid-name,abstract-method,multiple-statements
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# pylint: disable=missing-class-docstring,useless-import-alias
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if TYPE_CHECKING:
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import psycopg2.sql
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import psycopg2.extensions
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import psycopg2.extras
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import os
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StrPath = Union[str, 'os.PathLike[str]']
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SysEnv = Mapping[str, str]
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# psycopg2-related types
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Query = Union[str, bytes, 'psycopg2.sql.Composable']
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T_ResultKey = TypeVar('T_ResultKey', int, str)
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class DictCursorResult(Mapping[str, Any]):
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def __getitem__(self, x: Union[int, str]) -> Any: ...
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DictCursorResults = Sequence[DictCursorResult]
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T_cursor = TypeVar('T_cursor', bound='psycopg2.extensions.cursor')
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# The following typing features require typing_extensions to work
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# on all supported Python versions.
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# Only require this for type checking but not for normal operations.
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if TYPE_CHECKING:
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from typing_extensions import (Protocol as Protocol,
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Final as Final,
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TypedDict as TypedDict)
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else:
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Protocol = object
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Final = 'Final'
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TypedDict = dict
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