'Load the document metadata from the $json API.'

def load_prereqs(self, requester, storage):

    path = self.source_path()
    response = requester.request(path, raise_for_status=False)
    if (response.status_code == 200):
        data = response.json()
    else:
        data = {u'error': (u'status    code    %s' % response.status_code)}
    return (True, data)
