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Python: Last.fm Simple API Example

/ Published in: ActionScript 3
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Recently I needed to capture a JSON feed of the top artists from Last.fm. The script makes a request for a JSON response which I later treat as a dictionary object. You'll probably need to sign up for an API Key before using this script

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  1. import urllib, urllib2
  2. try:
  3.     import json
  4. except ImportError:
  5.     import simplejson as json
  6.  
  7. class LastFM:
  8.     def __init__(self ):
  9.         self.API_URL = "http://ws.audioscrobbler.com/2.0/"
  10.         self.API_KEY = "API_KEY_FROM_LAST_FM"
  11.  
  12.     def get_genre(self, genre, **kwargs):
  13.         kwargs.update({
  14.             "method":	"tag.gettopartists",
  15.             "tag":		genre,
  16.             "api_key":	self.API_KEY,
  17.             "limit":	3,
  18.             "format":	"json"
  19.         })
  20.         try:
  21.             #Create an API Request
  22.             url = self.API_URL + "?" + urllib.urlencode(kwargs)
  23.             #Send Request and Collect it
  24.             data = urllib2.urlopen( url )
  25.             #Print it
  26.             response_data = json.load( data )
  27.             print response_data['topartists']['artist'][0]['name']
  28.             #Close connection
  29.             data.close()
  30.         except urllib2.HTTPError, e:
  31.             print "HTTP error: %d" % e.code
  32.         except urllib2.URLError, e:
  33.             print "Network error: %s" % e.reason.args[1]
  34.  
  35. def main():
  36.     last_request = LastFM()
  37.     last_request.get_genre( "rock" )
  38.  
  39. if __name__ == "__main__": main()

URL: http://www.last.fm/api

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