Add plex alert listener tool script

tools/plex_alert_listener.py

@@ -0,0 +1,25 @@
+import time
+import json
+import argparse
+from datetime import datetime
+from plexapi.server import PlexServer
+
+
+def callback(message):
+    message["time"] = datetime.now().isoformat()
+    print(json.dumps(message))
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--plex_url", type=str, default="http://localhost:32400", help="Plex URL")
+    parser.add_argument("--plex_token", type=str, required=True, help="Plex Token")
+    args = parser.parse_args()
+
+    plex = PlexServer(args.plex_url, args.plex_token)
+
+    notifier = plex.startAlertListener(callback)
+
+    while notifier.is_alive():
+        time.sleep(1)
+    time.sleep(1)