import urllib
import json

chunk_size=200

base_url = "http://api.jamendo.com/v3.0/tracks/"
base_url_args = base_url + "?client_id=54cc3f68&format=json&audioformat=mp32&audiodlformat=flac&ccnc=1&ccsa=1"

##base_url_args = base_url_args + "&include=musicinfo+stats"


def download_from_jamendo(offset=0,currentChunkSize=chunk_size,extraArgs=''):

    chunk_url = base_url_args + "&limit=" + str(currentChunkSize)

    download_url = chunk_url + "&offset=" + str(offset)
    download_url = download_url + extraArgs
    
    print "Downloading: " + download_url
    download_url_handle = urllib.urlopen(download_url)

    json_data = download_url_handle.read()

    try:
        data = json.loads(json_data)
        print "  Status: " + data[u"headers"][u"status"]
        
    except:
        print "Warning: failed to process Offset = " + str(offset) + " (chunk = " + str(chunk_count) + ")"
        data = null
                
    return data