git.maemo.org Git - gigfinder/blob - events.py

   1 import urllib
   2 import urllib2
   3
   4 from resultsparser import EventParser
   5
   6 class Events:
   7     def __init__(self):
   8         self.api_key = '1928a14bdf51369505530949d8b7e1ee'
   9         self.url_base = 'http://ws.audioscrobbler.com/2.0/'
  10         self.format = 'json'
  11         self.method = 'geo.getevents'
  12
  13     def get_events(self, lat, long, distance):
  14         """ Retrieve xml and parse into events list """
  15         xml = self.get_xml(lat, long, distance)
  16         events = EventParser().parse_xml(xml,
  17                                          lat,
  18                                          long)
  19         return self.sort_events(events)
  20
  21     def sort_events(self, events):
  22         """ Sort gig by distance """
  23         if len(events) > 1:
  24             events.sort(cmp=self.distance_cmp, key=lambda x: x['distance'])
  25         return events
  26
  27     def get_json(self, lat='', long='', distance=''):
  28         # testing json results
  29         lat = '51.5174'
  30         long = '-0.0829'
  31         distance = '10'
  32         params = urllib.urlencode({'method': self.method,
  33                                    'api_key': self.api_key,
  34                                    'distance': distance,
  35                                    'long': long,
  36                                    'lat': lat,
  37                                    'format': self.format})
  38         url = '%s?%s' % (self.url_base, params)
  39         request = urllib2.Request(url, None)
  40         response = urllib2.urlopen(request)
  41         return response
  42
  43     def get_xml(self, lat, long, distance):
  44         """ Return xml from lastfm """
  45         params = urllib.urlencode({'method': self.method,
  46                                    'api_key': self.api_key,
  47                                    'distance': distance,
  48                                    'long': long,
  49                                    'lat': lat})
  50         response = urllib.urlopen(self.url_base, params)
  51         return response.read()
  52
  53     def distance_cmp(self, x, y):
  54         """ Compare distances for list sort """
  55         if x > y:
  56             return 1
  57         elif x == y:
  58             return 0
  59         else:
  60             return -1