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update example to show 1, 2, 5 day forecasts

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This commit is contained in:
brentru 2019-01-08 15:01:11 -05:00
parent 7ada763304
commit 64c42de144
2 changed files with 33 additions and 11 deletions
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2
Adafruit_IO/mqtt_client.py
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@ -117,7 +117,7 @@ class MQTTClient(object):
elif self.on_message is not None and parsed_topic[1] == 'groups': elif self.on_message is not None and parsed_topic[1] == 'groups':
topic = parsed_topic[3] topic = parsed_topic[3]
payload = msg.payload.decode('utf-8') payload = msg.payload.decode('utf-8')
else: else: # default topic
topic = parsed_topic[1] topic = parsed_topic[1]
payload = '' if msg.payload is None else msg.payload.decode('utf-8') payload = '' if msg.payload is None else msg.payload.decode('utf-8')
self.on_message(self, topic, payload) self.on_message(self, topic, payload)

42
examples/mqtt/mqtt_weather.py
View file

@ -22,7 +22,7 @@ ADAFRUIT_IO_KEY = 'KEY'
ADAFRUIT_IO_USERNAME = 'USER' ADAFRUIT_IO_USERNAME = 'USER'
# Set to ID of the forecast to subscribe to for updates # Set to ID of the forecast to subscribe to for updates
forecast_id = 1234 forecast_id = 2153
# Set to the ID of the feed to subscribe to for updates. # Set to the ID of the feed to subscribe to for updates.
""" """
@ -38,7 +38,12 @@ forecast_days_1
forecast_days_2 forecast_days_2
forecast_days_5 forecast_days_5
""" """
forecast_type = 'current' # Subscribe to the current forecast
forecast_today = 'current'
# Subscribe to tomorrow's forecast
forecast_tomorrow = 'forecast_days_2'
# Subscribe to forecast in 5 days
forecast_in_5_days = 'forecast_days_5'
# Define callback functions which will be called when certain events happen. # Define callback functions which will be called when certain events happen.
def connected(client): def connected(client):
@ -47,20 +52,37 @@ def connected(client):
# passed to this function is the Adafruit IO MQTT client so you can make # passed to this function is the Adafruit IO MQTT client so you can make
# calls against it easily. # calls against it easily.
print('Connected to Adafruit IO! Listening to forecast: {0}...'.format(forecast_id)) print('Connected to Adafruit IO! Listening to forecast: {0}...'.format(forecast_id))
# Subscribe to changes on a feed named DemoFeed. # Subscribe to changes on the current forecast.
client.subscribe_weather(forecast_id, forecast_type) client.subscribe_weather(forecast_id, forecast_today)
# Subscribe to changes on tomorrow's forecast.
client.subscribe_weather(forecast_id, forecast_tomorrow)
# Subscribe to changes on forecast in 5 days.
client.subscribe_weather(forecast_id, forecast_in_5_days)
def disconnected(client): def disconnected(client):
# Disconnected function will be called when the client disconnects. # Disconnected function will be called when the client disconnects.
print('Disconnected from Adafruit IO!') print('Disconnected from Adafruit IO!')
sys.exit(1) sys.exit(1)
def message(client, feed_id, payload): def message(client, topic, payload):
# Message function will be called when a subscribed feed has a new value. """Message function will be called when any subscribed forecast has an update.
# The feed_id parameter identifies the feed, and the payload parameter has Weather data is updated at most once every 20 minutes.
# the new value. """
print('Weather Subscription {0} received new value: {1}'.format(forecast_id, payload)) # Raw data from feed
print(topic)
print(payload)
# parse based on topic
if topic is 'current':
# Print out today's forecast
print('Current Forecast: {0}'.format(payload))
elif topic is 'forecast_days_2':
# print out tomorrow's forecast
print('Forecast Tomorrow: {0}'.format(payload))
elif topic is 'forecast_days_5':
# print out forecast in 5 days
print('Forecast in 5 Days: {0}'.format(payload))
# Create an MQTT client instance. # Create an MQTT client instance.
client = MQTTClient(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY) client = MQTTClient(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)