54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
# Copyright 2021 99cloud
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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from contextvars import ContextVar
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from databases import Database, DatabaseURL, core
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from skyline_apiserver.config import CONF
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DATABASE = None
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DB = ContextVar("skyline_db", default=None)
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class ParallelDatabase(Database):
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def connection(self) -> core.Connection:
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return core.Connection(self._backend)
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async def setup():
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db_url = DatabaseURL(CONF.default.database_url)
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global DATABASE
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if db_url.scheme == "mysql":
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DATABASE = ParallelDatabase(
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db_url,
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minsize=1,
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maxsize=100,
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echo=CONF.default.debug,
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charset="utf8",
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client_flag=0,
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)
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elif db_url.scheme == "sqlite":
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DATABASE = ParallelDatabase(db_url)
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else:
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raise ValueError("Unsupported database backend")
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await DATABASE.connect()
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async def inject_db():
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global DATABASE
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DB.set(DATABASE)
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