38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 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 netutils
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import stevedore.driver
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ENGINE_NAMESPACE = "delimiter.engines"
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DEFAULT_KIND = "mysql"
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def create_engine(uri):
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"""Create a new ``Engine`` instance."""
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parsed_uri = netutils.urlsplit(uri, scheme=DEFAULT_KIND)
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kind = parsed_uri.scheme
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try:
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mgr = stevedore.driver.DriverManager(
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ENGINE_NAMESPACE, kind,
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invoke_on_load=True,
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invoke_args=[parsed_uri])
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engine = mgr.driver
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except RuntimeError:
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raise ValueError("Could not find"
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"engine '%s' (from uri '%s')" % (kind, uri))
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else:
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return engine
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