Implement KeyboardInterrupt for --watch

bbbmon/bbbmon.py

 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-import os
+import os, sys
 import time
 import json
 import click
@@ -101,11 +101,14 @@ def meetings(ctx, userconfig, watch, short, compact, n, all_, twolines, leaderbo
     config.filter_endpoints(endpoint)
     if watch is not None:
         while watch is not None:
+            try:
                 if twolines:
                     meetings_twolines(config, watch, fancy, sum_)
                 else:
                     list_meetings(config, leaderboards, n, participants, presenter, presenter_id, meetings, watch, fancy, compact, sum_)
                 time.sleep(watch)
+            except KeyboardInterrupt:
+                sys.exit()
     else:
         if twolines:
             meetings_twolines(config, watch, fancy, sum_)
@@ -165,8 +168,11 @@ def json(ctx, userconfig, watch, endpoint, compact):
         exit()
     if watch is not None:
         while watch is not None:
+            try:
                 print(format_json(config, watch, compact))
                 time.sleep(watch)
+            except KeyboardInterrupt:
+                sys.exit()
     else:
         print(format_json(config, watch, compact))