py3status is an extensible i3status wrapper written in python.

Using py3status, you can take control of your i3bar easily by:
- using one of the available modules shipped with py3status
- grouping multiple modules and automatically or manually cycle their display
- writing your own modules and have their output displayed on your bar
- handling click events on your i3bar and play with them in no time
- seeing your clock tick every second whatever your i3status interval

WWW: https://github.com/ultrabug/py3status