50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
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"""Alembic environment.
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The database URL comes from settings, never from alembic.ini, so a migration
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cannot be run against a different database than the service uses.
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"""
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from __future__ import annotations
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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from canned_prompts_service.db import Base
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from canned_prompts_service.settings import get_settings
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from canned_prompts_service import models # noqa: F401 — registers the tables
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config = context.config
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target_metadata = Base.metadata
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settings = get_settings()
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if settings.configured:
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config.set_main_option("sqlalchemy.url", settings.database_url)
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def run_migrations_offline() -> None:
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context.configure(
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url=config.get_main_option("sqlalchemy.url"),
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target_metadata=target_metadata,
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literal_binds=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() -> None:
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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata)
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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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