chancy 0.13.1

A simple and flexible job queue for Python

Chancy

A postgres-backed task queue for Python.

Key Features

• Support for job priorities, retries, timeouts, scheduling, global rate limits, memory limits, unique jobs, and more
• asyncio-based worker with support for asyncio, threaded, process-based, and sub-interpreter job execution.
• Configurable job retention for easy debugging and tracking
• Minimal dependencies (only psycopg3 required)
• Plugins for a dashboard, workflows, cron jobs, and more
• Optional transactional enqueueing for atomic job creation
• asyncio & sync APIs for easy integration with existing codebases

Documentation

Check out the getting-started guide and the API documentation at https://tkte.ch/chancy/.

Screenshots

Chancy comes with an optional dashboard that provides a basic look into the status of your queues:

Similar Work

Many similar projects exist. Some of them are:

• https://worker.graphile.org/ (Node.js)
• https://riverqueue.com/ (Go)
• https://github.com/acaloiaro/neoq (Go)
• https://github.com/contribsys/faktory (Go)
• https://github.com/sorentwo/oban (Elixir)
• https://github.com/procrastinate-org/procrastinate (Python)