Advanced-Alchemy – A framework agnostic library for SQLAlchemy
Hello HN! Advanced Alchemy is an optimized companion library for SQLAlchemy, designed to supercharge your database models with powerful tooling for migrations, asynchronous support, lifecycle hook and more. You can find the repository and documentation here: - GitHub Repository: https://github.com/litestar-org/advanced-alchemy - Official Documentation : https://docs.advanced-alchemy.litestar.dev/latest/ Advanced-Alchemy extends SQLAlchemy with productivity-enhancing features, while keeping full compatibility with the ecosystem you already know. At its…
In plain words
Advanced-Alchemy is a companion library for SQLAlchemy that adds functionality including async support, lifecycle hooks, and migration tools. It works with major web frameworks like FastAPI, Litestar, and Starlette while maintaining full SQLAlchemy compatibility. The library provides sync and async repositories with optimized bulk operations, custom Alembic configuration, and a framework-integrated CLI. It is designed for developers building database-driven applications who want to extend SQLAlchemy's capabilities without abandoning the existing ecosystem.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hello HN! Advanced Alchemy is an optimized companion library for SQLAlchemy, designed to supercharge your database models with powerful tooling for migrations, asynchronous support, lifecycle hook and more. You can find the repository and documentation here: - GitHub Repository: https://github.com/litestar-org/advanced-alchemy - Official Documentation : https://docs.advanced-alchemy.litestar.dev/latest/ Advanced-Alchemy extends SQLAlchemy with productivity-enhancing features, while keeping full compatibility with the ecosystem you already know. At its core, Advanced-Alchemy offers: - Sync and async repositories, featuring common CRUD and highly optimized bulk operations - Integration with major web frameworks including Litestar, Starlette, FastAPI, Sanic - Custom-built alembic configuration and CLI with optional framework integration - Utility base classes with audit columns, primary keys and utility functions - Built in File Object data type for storing objects: - Unified interface for various storage backends fsspec and obstore - Optional lifecycle event hooks integrated with SQLAlchemy's event system to automatically save and delete files as records are inserted, updated, or deleted. - Optimized JSON types including a custom JSON type for Oracle - Integrated support for UUID6 and UUID7 using uuid-utils - Integrated support for Nano ID using fastnanoid - Pre-configured base classes with audit columns UUID or Big Integer primary keys and a sentinel column. - Synchronous and asynchronous repositories featuring: - Common CRUD operations for SQLAlchemy models - Bulk inserts, updates, upserts, and deletes with dialect-specific enhancements - Integrated counts, pagination, sorting, filtering with LIKE, IN, and dates before and/or after. - Tested support for multiple database backends including: - SQLite via aiosqlite or sqlite - Postgres via asyncpg or psycopg3 (async or sync) - MySQL via asyncmy - Oracle via oracledb (async or sync) (tested on 18c and 23c) - Google Spanner via spanner-sqlalchemy - DuckDB via duckdb_engine - Microsoft SQL Server via pyodbc or aioodbc - CockroachDB via sqlalchemy-cockroachdb (async or sync) The framework is designed to be lightweight yet powerful, with a clean API that makes it easy to integrate into existing projects. You can find a full example using FastAPI there: https://docs.advanced-alchemy.litestar.dev/latest/usage/fram... There are custom datatypes, a service and repository (including optimized bulk operations), and native integration with Flask, FastAPI, Starlette, Litestar and Sanic. Feedback and enhancements are always welcomed! We have an active discord community, so if you don't get a response on an issue or would like to chat directly with the dev team, please reach out. The library: https://github.com/litestar-org/advanced-alchemy
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