mqttwarn functions for slack whereis slash-command

slackfuncts.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import json
import time
import urllib2

# --- slack_whereis
def _isloc(s):
    data = json.loads(s)
    if type(data) == dict:
        if '_type' in data and data['_type'] == 'location':
            if 'lat' in data and 'lon' in data:
                return data
    return None

def slack_whereis_filter(topic, payload):
    ''' return True if this message should be suppressed '''

    data = _isloc(payload)
    if data is None:
        return True
    return False

def slack_whereis(topic, data, srv=None):

    geo = "?"

    data = _isloc(data['payload'])
    if data is not None:
        lat = data['lat']
        lon = data['lon']

        try:
            jsondata = json.load(urllib2.urlopen('http://maps.googleapis.com/maps/api/geocode/json?latlng='+str(lat)+','+str(lon)+'&sensor=true'))
            geo = jsondata['results'][0]['formatted_address']
        except:
            geo = 'reverse lookup error'


    return dict(geo=geo)