def clear_all(self):
gcal = GCal()
event_files = os.listdir(resource_path('events'))
for ef in event_files:
with open(resource_path('events/' + ef), 'r') as f:
events = json.load(f)
for event in events:
gcal.del_event(event['id'])
os.remove(resource_path('events/' + ef))
