Data STUDIO

Apr 21, 2026 · Backend Development

Build Once, Reuse Anywhere: Generic Repository Pattern in Python

The article demonstrates how to eliminate repetitive CRUD code in FastAPI projects by creating a type‑safe, generic repository using Python generics and SQLAlchemy, showing a concrete abstract base class, concrete implementations, custom filters, error handling, and real‑world metrics that cut repository code from hundreds to a few dozen lines.