iss2owntracks.py

#!/usr/bin/env python

import requests
import json
import paho.mqtt.publish as pahopub

hostname = 'localhost'
port = 1883
topic = 'owntracks/jpm/iss'
auth = { 'username' : 'xxx', 'password' : 'xxx' }

def iss_position():

    data = None
    try:
        # http://open-notify.org/Open-Notify-API/ISS-Location-Now/
        r = requests.get("http://api.open-notify.org/iss-now.json")

        iss = json.loads(r.text)
        data = {
            'tid'       : 'IS',
            'lat'       : iss['iss_position']['latitude'],
            'lon'       : iss['iss_position']['longitude'],
            'tst'       : iss['timestamp']
        }

    except Exception, e:
        print str(e)
    return data

if __name__ == '__main__':

    iss = iss_position()

    iss['_type'] = 'location'
    payload = json.dumps(iss)

    pahopub.single(topic, payload, hostname=hostname, port=port,
        retain=True, auth=auth)