coffy 0.2.3

Lightweight local NoSQL, SQL, and Graph embedded database engine

Coffy: Local-First Embedded Database Engine for Python

Coffy is a lightweight, local-first embedded database engine supporting NoSQL, SQL, and Graph models — all in pure Python. Designed for fast prototyping, scripting, and local apps.

coffydb.org

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Installation

pip install coffy

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Features

• Local persistence (JSON, SQLite)
• In-memory mode (:memory: or None)
• No server needed
• Logical and comparison operators
• Unified query interface

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Engines

If you are viewing this from coffydb.org, you can find the documentation for each engine in the NoSQL, Graph, and SQL sections.

Engine	Description	Docs
coffy.graph	Local graph database (NetworkX-based)	Graph Docs
coffy.nosql	Document store with chainable queries	NoSQL Docs
coffy.sql	Thin SQLite wrapper	SQL Docs

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What sets Coffy apart?

Only embedded Python graph DB with:

• ✅ Declarative traversal syntax (match_node_path(...))
• ✅ Label/type filtering, limit/offset, result projection
• ✅ Unified API for both nodes and relationships

Only pure-Python embedded document store with:

• ✅ Auto-indexing on all top-level fields
• ✅ Chainable logical queries (.where(...).eq(...).or_().in_())
• ✅ Merge/lookups across collections (like mini $lookup)
• ✅ JSON persistence or in-memory fallback

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🔗 Links

• coffydb.org
• PyPI: coffy
• Source: GitHub

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License

MIT License © 2025 Neel Sarathy

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Disclaimer: Number of downloads includes mirrors.