def deleteTopic(self):
topic_path = publisher.topic_path(PROJECT_ID, self.getTopicID())
try:
publisher.delete_topic(request={"topic": topic_path})
print(f"deleted topic {self.getTopicID()}")
except Exception as err:
print(err)
def createTopic(self):
TOPIC_ID = self.getTopicID()
topic_path = publisher.topic_path(PROJECT_ID, TOPIC_ID)
try:
topic = publisher.create_topic(request={"name": topic_path})
print(f"created topic {TOPIC_ID}")
except Exception as err:
print(err)
def switch_to_normal_ride(self):
topic_path = publisher.topic_path(PROJECT_ID, self.signal.getTopicID())
bundle = {
ACTION_TYPE: NORMAL_RIDE,
RECIPIENT: self.getSubscriptionID(),
PAYLOAD: {}
}
bundle_json = json.dumps(bundle).encode("utf-8")
publisher.publish(topic_path, bundle_json)
def over_ride_to(self, over_ride_color):
topic_path = publisher.topic_path(PROJECT_ID, self.signal.getTopicID())
bundle = {
ACTION_TYPE: OVER_RIDE,
RECIPIENT: self.getSubscriptionID(),
PAYLOAD: {
OPERATION_COLOR: over_ride_color
}
}
bundle_json = json.dumps(bundle).encode("utf-8")
publisher.publish(topic_path, bundle_json)
def createSubscription(self):
SUBSCRIPTION_ID = self.getSubscriptionID()
TOPIC_ID = self.getTopicID()
subscription_path = subscriber.subscription_path(
PROJECT_ID, SUBSCRIPTION_ID)
topic_path = publisher.topic_path(PROJECT_ID, TOPIC_ID)
try:
subscription = subscriber.create_subscription(request={
"name": subscription_path,
"topic": topic_path
})
print(f"created subscription {SUBSCRIPTION_ID}")
except Exception as err:
print(err)