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90 lines
2.6 KiB
90 lines
2.6 KiB
# Copyright 2016 Hewlett Packard Enterprise Development LP |
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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 |
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# 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 alembic import context |
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from logging.config import fileConfig |
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from coverage2sql.db import api as db_api |
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# this is the Alembic Config object, which provides |
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# access to the values within the .ini file in use. |
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config = context.config |
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coverage2sql_config = config.coverage2sql_config |
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# Interpret the config file for Python logging. |
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# This line sets up loggers basically. |
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fileConfig(config.config_file_name) |
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# add your model's MetaData object here |
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# for 'autogenerate' support |
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# from myapp import mymodel |
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# target_metadata = mymodel.Base.metadata |
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target_metadata = None |
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# other values from the config, defined by the needs of env.py, |
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# can be acquired: |
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# my_important_option = config.get_main_option("my_important_option") |
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# ... etc. |
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def run_migrations_offline(): |
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"""Run migrations in 'offline' mode. |
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This configures the context with just a URL |
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and not an Engine, though an Engine is acceptable |
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here as well. By skipping the Engine creation |
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we don't even need a DBAPI to be available. |
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Calls to context.execute() here emit the given string to the |
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script output. |
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""" |
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kwargs = dict() |
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if coverage2sql_config.database.connection: |
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kwargs['url'] = coverage2sql_config.database.connection |
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elif coverage2sql_config.database.engine: |
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kwargs['dialect_name'] = coverage2sql_config.database.engine |
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else: |
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kwargs['url'] = config.get_main_option("sqlalchemy.url") |
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context.configure(**kwargs) |
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with context.begin_transaction(): |
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context.run_migrations() |
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def run_migrations_online(): |
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"""Run migrations in 'online' mode. |
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In this scenario we need to create an Engine |
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and associate a connection with the context. |
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""" |
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connectable = db_api.engine |
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with connectable.connect() as connection: |
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context.configure( |
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connection=connection, |
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target_metadata=target_metadata |
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) |
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with context.begin_transaction(): |
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context.run_migrations() |
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if context.is_offline_mode(): |
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run_migrations_offline() |
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else: |
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run_migrations_online()
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