generated from coulomb/repo-seed
Bernd Worsch
f55f497107
- alembic init -t async migrations - alembic.ini: dev fallback URL postgresql+asyncpg://…:5433/actcore; ACTCORE_DB_URL env var overrides at runtime; src/ added to sys.path - migrations/env.py: reads ACTCORE_DB_URL, wires target_metadata to Base.metadata - src/activity_core/db.py: DeclarativeBase subclass + make_engine() helper Tool choice: Alembic + SQLAlchemy[asyncio] (already declared in pyproject.toml). Migrations run with: ACTCORE_DB_URL=... alembic upgrade head Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
import asyncio
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import os
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from logging.config import fileConfig
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from sqlalchemy import pool
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from sqlalchemy.engine import Connection
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from sqlalchemy.ext.asyncio import async_engine_from_config
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from alembic import context
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from activity_core.db import Base # noqa: F401 — imports all ORM models via submodules
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# Alembic Config object — access to values in alembic.ini
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config = context.config
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# Set up loggers from alembic.ini
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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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# ORM metadata for autogenerate
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target_metadata = Base.metadata
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# Override the DB URL from env var when running live migrations
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_db_url = os.environ.get("ACTCORE_DB_URL")
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if _db_url:
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config.set_main_option("sqlalchemy.url", _db_url)
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def run_migrations_offline() -> None:
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"""Generate SQL without a live DB connection (alembic upgrade --sql)."""
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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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)
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with context.begin_transaction():
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context.run_migrations()
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def do_run_migrations(connection: Connection) -> None:
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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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async def run_async_migrations() -> None:
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connectable = async_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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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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def run_migrations_online() -> None:
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asyncio.run(run_async_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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