def _valid_upload_key(fnc):
    @wraps(fnc)
    def wrapped(self, upload_key, *args, **kwargs):
        try:
            self.folder_upload_status[upload_key]
        except __HOLE__:
            raise exc.InvalidUploadID("There is no folder upload with the "
                    "key '%s'." % upload_key)
        return fnc(self, upload_key, *args, **kwargs)
    return wrapped
dataset/ETHPy150Open rackspace/pyrax/pyrax/object_storage.py/_valid_upload_key