PyDeskband is a multi-part project with two interconnected pieces of code.

There is a C++ DLL that is loaded via regsvr32.exe (into Windows Explorer) to create and paint a Deskband on the Windows Taskbar.

The Python front-end contains a means to control the C++ backend to control what is painted onto the Deskband. After installing the dll, it's easy to manipulate the deskband:

Note that the APIs are still being designed and subject to change.

A Deskband is an additonal toolbar placed on the right-hand-side of the Windows Taskbar. Interestingly, enough they are considered deprecated as of Windows 10, but as of this writing still work just fine. Here is some documentation that includes high-level information on Deskbands.

Another example of a deskband is XMeters

MIT License