71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
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import logging
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from sqlalchemy import create_engine
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from sqlalchemy import pool
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from alembic import context
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from barker.core.config import settings
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logging.basicConfig()
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logging.getLogger("sqlalchemy.engine").setLevel(settings.ALEMBIC_LOG_LEVEL)
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logging.getLogger("alembic").setLevel(settings.ALEMBIC_LOG_LEVEL)
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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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from barker.models.auth import User # noqa
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target_metadata = User.metadata
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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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url = settings.SQLALCHEMY_DATABASE_URI
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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compare_type=True,
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)
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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 = create_engine(settings.SQLALCHEMY_DATABASE_URI, poolclass=pool.NullPool,)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata, compare_type=True)
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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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