Alembic
JSON →Database migration tool for SQLAlchemy. Manages schema versioning via migration scripts. Current version: 1.18.4 (Mar 2026). Tightly coupled to SQLAlchemy — version mismatch causes silent failures. SQLAlchemy 1.3 dropped in Alembic 1.15. Python 3.8 dropped in Alembic 1.15. The #1 footgun: autogenerate generates empty migrations when target_metadata is not correctly set in env.py.
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Resources
packagepypi.org/project/alembic/ ↗
API endpoints
full doc /v1/registry/alembic
install /v1/registry/alembic/install
compatibility /v1/registry/alembic/compatibility