www_site/services/api/app/migrate.py

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from pathlib import Path
import psycopg
from .config import settings
def main() -> None:
migration_dir = Path(__file__).resolve().parent.parent / "migrations"
with psycopg.connect(settings.database_url) as connection:
connection.execute("CREATE TABLE IF NOT EXISTS schema_migrations (version TEXT PRIMARY KEY, applied_at TIMESTAMPTZ NOT NULL DEFAULT now())")
connection.commit()
for path in sorted(migration_dir.glob("*.sql")):
version = path.name
applied = connection.execute("SELECT 1 FROM schema_migrations WHERE version = %s", (version,)).fetchone()
if applied:
continue
connection.execute(path.read_text(encoding="utf-8"))
connection.execute("INSERT INTO schema_migrations(version) VALUES (%s)", (version,))
connection.commit()
print(f"applied {version}")
if __name__ == "__main__":
main()