Thanks @balloob for balloob/pychromecast
pip install startcast
startcast [options] [action]
Actions:
start [CHROMECAST_FRIENDLY_NAME] [APP_ID] - Start application on chromecast
list - list all chromecasts on network
Options:
-h, --help show this help message and exit
-f, --force Force application to start when chromecast is already running
other application