39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_utils import versionutils
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from sqlalchemy import __version__
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_vers = versionutils.convert_version_to_tuple(__version__)
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sqla_2 = _vers >= (2, )
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native_pre_ping_event_support = _vers >= (2, 0, 5)
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def dialect_from_exception_context(ctx):
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if sqla_2:
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# SQLAlchemy 2.0 still has context.engine, however if the
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# exception context is called in the context of a ping handler,
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# engine is not present. need to use dialect instead
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return ctx.dialect
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else:
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return ctx.engine.dialect
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def driver_connection(connection):
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if sqla_2:
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return connection.connection.driver_connection
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else:
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return connection.connection.connection
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