firm-channel 0.1.0

Database-backed publish/subscribe (a pure-Python port of Rails' Solid Cable). No Redis required — runs on SQLite, PostgreSQL, or MySQL.

firm-channel

Database-backed publish/subscribe for Python — a pure-Python port of Rails' Solid Cable. No Redis required: messages flow through your existing SQLite, PostgreSQL, or MySQL/MariaDB database.

Part of firm, a port of the Rails 8 Solid stack.

pip install firm-channel

Quickstart

from firm.channel import Channel

ps = Channel(database_url="postgresql://localhost/myapp")

ps.subscribe("room:42", lambda payload: print(payload))
ps.broadcast("room:42", b'{"msg": "hi"}')

Highlights

• Broadcast/subscribe over the database — no extra broker to run
• Polling listener with configurable interval, in the style of Solid Cable
• Automatic message trimming with configurable retention

Docs

• Channel overview
• All firm documentation

MIT licensed. Schema and design derived from Solid Cable (© 37signals, MIT); see NOTICE.