Execute a command when no Plex sessions are active.

exec_command_no_sessions.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Description:  Execute a command when no Plex sessions are active.
# Author:       /u/SwiftPanda16
# Requires:     plexapi

import shlex
import subprocess
from plexapi.server import PlexServer


### EDIT SETTINGS ###
PLEX_URL = 'http://localhost:32400'
PLEX_TOKEN = 'xxxxxxxxxx'

COMMAND = ''


### CODE BELOW ###

def main():
    try:
        plex = PlexServer(PLEX_URL, PLEX_TOKEN)
    except:
        print("No Plex server found at '{base_url}', or invalid token.".format(base_url=PLEX_URL))
        print("Exiting script.")
        return

    args = shlex.split(COMMAND)

    sessions = plex.sessions()
    if not sessions:
        print("No active sessions.")
        print("Executing command: {cmd}".format(cmd=COMMAND))
        subprocess.call(args)
    else:
        print("Sessions active ({count}).".format(count=len(sessions)))


if __name__ == "__main__":
    main()