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September 28, 2016 20:59
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An AWS Echo "skill adapter" Lambda function to route lighting control requests to Octoblu via a POST trigger
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import urllib | |
import urllib2 | |
octoblu_trigger = "https://triggers.octoblu.com/v2/flows/<your flow>/triggers/<your trigger> | |
def lambda_handler(event, context): | |
access_token = event['payload']['accessToken'] | |
if event['header']['namespace'] == 'Alexa.ConnectedHome.Discovery': | |
return handleDiscovery(context, event) | |
elif event['header']['namespace'] == 'Alexa.ConnectedHome.Control': | |
return handleControl(context, event) | |
def handleDiscovery(context, event): | |
payload = '' | |
header = { | |
"namespace": "Alexa.ConnectedHome.Discovery", | |
"name": "DiscoverAppliancesResponse", | |
"payloadVersion": "2" | |
} | |
if event['header']['name'] == 'DiscoverAppliancesRequest': | |
payload = { | |
"discoveredAppliances":[ | |
{ | |
"applianceId":"Bedroom1=Desk", | |
"manufacturerName":"James Bulpin", | |
"modelName":"LWRF", | |
"version":"v0.1", | |
"friendlyName":"Bedroom 1 Desk Lamp", | |
"friendlyDescription":"Desk lamp in bedroom 1", | |
"isReachable":True, | |
"actions":[ | |
"turnOn", | |
"turnOff" | |
], | |
"additionalApplianceDetails":{ | |
"mqttTopic":"Light/Bedroom1/Desk" | |
} | |
}, | |
{ | |
"applianceId":"Bedroom2=Lamp", | |
"manufacturerName":"James Bulpin", | |
"modelName":"LWRF", | |
"version":"v0.1", | |
"friendlyName":"Bedroom 2 Lamp", | |
"friendlyDescription":"Bedside lamp in bedroom 2", | |
"isReachable":True, | |
"actions":[ | |
"turnOn", | |
"turnOff" | |
], | |
"additionalApplianceDetails":{ | |
"mqttTopic":"Light/Bedroom2/Lamp" | |
} | |
}, | |
{ | |
"applianceId":"Lounge=Ceiling", | |
"manufacturerName":"James Bulpin", | |
"modelName":"LWRF", | |
"version":"v0.1", | |
"friendlyName":"Lounge light", | |
"friendlyDescription":"Main ceiling light in the living room", | |
"isReachable":True, | |
"actions":[ | |
"turnOn", | |
"turnOff" | |
], | |
"additionalApplianceDetails":{ | |
"mqttTopic":"Light/Lounge/Ceiling" | |
} | |
} | |
] | |
} | |
return {"header":header, "payload":payload} | |
def handleControl(context, event): | |
payload = '' | |
device_id = event['payload']['appliance']['applianceId'] | |
message_id = event['header']['messageId'] | |
obmsg = {"debug":event} | |
cfm = "" | |
if event['header']['name'] == 'TurnOnRequest' or event['header']['name'] == 'TurnOffRequest': | |
if event['header']['name'] == 'TurnOnRequest': | |
obmsg["message"] = "on" | |
cfm = "TurnOnConfirmation" | |
else: | |
obmsg["message"] = "off" | |
cfm = "TurnOffConfirmation" | |
obmsg["topic"] = event["payload"]["appliance"]["additionalApplianceDetails"]["mqttTopic"] | |
url = octoblu_trigger | |
data = urllib.urlencode(obmsg) | |
req = urllib2.Request(url, data) | |
response = urllib2.urlopen(req) | |
the_page = response.read() | |
payload = { } | |
header = { | |
"namespace":"Alexa.ConnectedHome.Control", | |
"name":cfm, | |
"payloadVersion":"2", | |
"messageId": message_id | |
} | |
return {"header":header, "payload":payload} |
Octoblu trigger URL needs specifiying
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Prototype code - hardcoded device list etc.