66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
"""Alembic environment configuration for PromptLooper."""
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import sys
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from logging.config import fileConfig
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from pathlib import Path
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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# Ensure the backend package is importable
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sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
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from backend.config import settings
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from backend.models import Base
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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# Use sqlalchemy.url from alembic config if already set (e.g. by tests),
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# otherwise fall back to application settings.
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if not config.get_main_option("sqlalchemy.url"):
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config.set_main_option("sqlalchemy.url", settings.effective_database_url)
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode — emit SQL to stdout."""
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url = config.get_main_option("sqlalchemy.url")
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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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render_as_batch=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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"""Run migrations against a live database connection."""
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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(
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connection=connection,
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target_metadata=target_metadata,
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render_as_batch=True,
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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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