mplcursors is my variation on mpldatacursor
(https://github.com/joferkington/mpldatacursor), with a much simplified
Full documentation on RTD.
Install with pip install mplcursors (from PyPI) or
pip install git+https://github.com/anntzer/mplcursors (from Github).
Run tests with py.test.
TODO: Brief introduction on what you do with files - including link to relevant help section.