circuits is a Lightweight Event driven and Asynchronous Application Framework for the Python Programming Language with a strong Component Architecture.

circuits also includes a lightweight, high performance and scalable HTTP/WSGI compliant web server as well as various I/O and Networking components.

• Website
• Downloads
• Documentation

Got questions?

• Ask a Question (Tag it: circuits-framework)

• event driven
• concurrency support
• component architecture
• asynchronous I/O components
• no required external dependencies
• full featured web framework (circuits.web)
• coroutine based synchronization primitives

• circuits has no dependencies beyond the Python Standard Library.

• Linux, FreeBSD, Mac OS X, Windows
• Python 3.7, 3.8, 3.9, 3.10, 3.11, 3.12
• pypy (the newer the better)

The simplest and recommended way to install circuits is with pip. You may install the latest stable release from PyPI with pip:

$ pip install circuits

If you do not have pip, you may use easy_install:

$ easy_install circuits

Alternatively, you may download the source package from the PyPi or the Downloads extract it and install using:

$ python setup.py install

note

You can install the development version via pip install circuits==dev.

circuits is licensed under the MIT License.

We welcome any questions or feedback about bugs and suggestions on how to improve circuits.

Let us know what you think about circuits. @pythoncircuits.

Do you have suggestions for improvement? Then please Create an Issue with details of what you would like to see. I'll take a look at it and work with you to either incorporate the idea or find a better solution.

There are also several places you can reach out to the circuits community:

• Mailing List
• #circuits IRC Channel on the Libera.Chat IRC Network
• Ask a Question on Stackoverflow (Tag it: circuits-framework)

Whilst I (James Mills) continue to contribute and maintain the circuits project I do not represent the interests or business of my employer Facebook Inc. The contributions I make are of my own free time and have no bearing or relevance to Facebook Inc.