# Copyright (C) 2005-2023 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: https://www.opensource.org/licenses/mit-license.php
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# mypy: ignore-errors
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import os
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import typing
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def _import_cy_extensions():
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# all cython extension extension modules are treated as optional by the
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# setup, so to ensure that all are compiled, all should be imported here
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from ..cyextension import collections
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from ..cyextension import immutabledict
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from ..cyextension import processors
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from ..cyextension import resultproxy
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from ..cyextension import util
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return (collections, immutabledict, processors, resultproxy, util)
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_CYEXTENSION_MSG: str
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if not typing.TYPE_CHECKING:
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if os.environ.get("DISABLE_SQLALCHEMY_CEXT_RUNTIME"):
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HAS_CYEXTENSION = False
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_CYEXTENSION_MSG = "DISABLE_SQLALCHEMY_CEXT_RUNTIME is set"
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else:
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try:
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_import_cy_extensions()
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except ImportError as err:
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HAS_CYEXTENSION = False
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_CYEXTENSION_MSG = str(err)
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else:
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_CYEXTENSION_MSG = "Loaded"
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HAS_CYEXTENSION = True
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else:
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HAS_CYEXTENSION = False
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