'Deletes the key as specified by the url'

def purge(self, url):

    (bucket_name, key_name) = self._get_bucket_key_from_url(url)
    timer = g.stats.get_timer('providers.s3.key_set_private')
    timer.start()
    bucket = self._get_bucket(bucket_name, validate=False)
    key_name = url.split('/')[(-1)]
    key = bucket.get_key(key_name)
    if key:
        key.delete()
    timer.stop()
    return True
