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# util/_has_cy.py
# Copyright (C) 2005-2024 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
# mypy: ignore-errors
import os
import typing
def _import_cy_extensions():
# all cython extension extension modules are treated as optional by the
# setup, so to ensure that all are compiled, all should be imported here
from ..cyextension import collections
from ..cyextension import immutabledict
from ..cyextension import processors
from ..cyextension import resultproxy
from ..cyextension import util
return (collections, immutabledict, processors, resultproxy, util)
_CYEXTENSION_MSG: str
if not typing.TYPE_CHECKING:
if os.environ.get("DISABLE_SQLALCHEMY_CEXT_RUNTIME"):
HAS_CYEXTENSION = False
_CYEXTENSION_MSG = "DISABLE_SQLALCHEMY_CEXT_RUNTIME is set"
else:
try:
_import_cy_extensions()
except ImportError as err:
HAS_CYEXTENSION = False
_CYEXTENSION_MSG = str(err)
else:
_CYEXTENSION_MSG = "Loaded"
HAS_CYEXTENSION = True
else:
HAS_CYEXTENSION = False