def track_from_url(url, timeout=DEFAULT_ASYNC_TIMEOUT):
 param_dict = dict(url=url)
 return _upload(param_dict, timeout, data=None)

def track_from_url ( url , timeout = DEFAULT_ASYNC_TIMEOUT ) : param_dict = dict ( url = url ) return _upload ( param_dict , timeout , data = None )
create a track object from a public http url .