def produce_trip_updates(self):
# initialise the feed message parser from Google
feed = gtfs_realtime_pb2.FeedMessage()
# get the response from the api
response = requests.get(self.act_lr_api_url)
# pass the response to the Parser
feed.ParseFromString(response.content)
# loop through feed entity
for entity in feed.entity:
if entity.HasField('trip_update'): # only get trip updates
trip_id = entity.trip_update.trip.trip_id
print('**Trip ID**: ', trip_id)
stop_time_updates = entity.trip_update.stop_time_update
print('Count of updates: ', len(stop_time_updates))
print('--------')
update_json = MessageToDict(entity.trip_update)
update_json['id'] = int(entity.id)
update_json = json.dumps(update_json)
self.kafka_producer.produce(self.kafka_topic,
update_json.encode('utf-8'))
self.kafka_producer.flush()
