Last.FM Tag Cloud Retriever

tastes.py

lastfm_api_key = "295e485894bdf30203b53607f1d94e34"
lastfm_api_root = "http://ws.audioscrobbler.com/2.0/"
result_limit = 15

import urllib
import urllib2
import json
import string

def getLastFmJson(args):
    arguments = {}
    for key in args:
        arguments[key] = args[key]
        
    cache_key = "autocomplete_%s" % json.dumps(arguments)
    
    arguments["format"] = "json"
    arguments["api_key"] = lastfm_api_key
    arguments["limit"] = result_limit
    
    #Check the cache for stored results
    api_result = ""

    values = urllib.urlencode(arguments)
    api_string = lastfm_api_root + "?" + values
    api_request = urllib2.Request(api_string)
    response = urllib2.urlopen(api_request)
    api_result = response.read()
        
    result = json.loads(api_result)
    return result
    
def main():
    file_location = "data.txt"
    f = open(file_location)
    
    raw_artists = f.readlines()
    artists = []
    for artist in raw_artists:
        artist = artist.rstrip()
        if string.find(artist, ',') > -1:
            splitted = string.split(artist, ',', 1)
            artist = splitted[1] + " " + splitted[0]
            artist = artist.strip()
        artists.append(artist)
    
    for artist in artists:
        args = {
            "method": "artist.getTopTags",
            "artist": artist
        }
        response = getLastFmJson(args)

        print artist + ": ",
        if not "error" in response:
            if 'tag' in response['toptags']:
                for tag in response['toptags']['tag']:
                    try:
                        print tag['name'] + " ",
                    except:
                        continue
        print ""
        
        args = {
            "method": "artist.getInfo",
            "artist": artist
        }
        response = getLastFmJson(args)
        print "Listeners: ",
        if not "error" in response:
            if "stats" in response["artist"]:
                if "listeners" in response["artist"]["stats"]:
                    print response["artist"]["stats"]["listeners"]
                else:
                    print "???"
            else:
                print "????"
        else:
            print "?"
        print ""
    return
    
if __name__ == "__main__":
    main()