The argparse module of the standard library supports many features to parse command-line arguments. Its documentation contains many examples of how to use them: https://docs.python.org/3.6/library/argparse.html.

More information on Cyclotron packages is available from their GitHub repository: https://github.com/MainRo/cyclotron-py.

Cyclotron is heavily inspired by Cycle.js, a functional and reactive framework for JavaScript. Many of the principles of Cycle.js are also applicable to Cyclotron. So, the home page of the Cycle.js project makes for very interesting reading: https://cycle.js.org.