common.py 文件源码

def validate_tag_sets(dummy, value):
    """Validate tag sets for a ReplicaSetConnection.
    """
    if value is None:
        return [{}]

    if not isinstance(value, list):
        raise ConfigurationError((
            "Tag sets %s invalid, must be a list") % repr(value))
    if len(value) == 0:
        raise ConfigurationError((
            "Tag sets %s invalid, must be None or contain at least one set of"
            " tags") % repr(value))

    for tags in value:
        if not isinstance(tags, dict):
            raise ConfigurationError(
                "Tag set %s invalid, must be a dict" % repr(tags))

    return value