Hexchat MPV now playing script

Original script from kuehnelth/xchat_mpv_np.

Usage:

/mpv - Show information about currently open file in mpv

Setup:

mpv_np.py uses the mpv JSON IPC Protocol.
To enable it, add the following line to ~/.config/mpv/mpv.conf input-ipc-server=~/.config/mpv/socket

mpv_np_win.py works without any setup.

LICENSE

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.