testcases.py 文件源码

def skipUnlessAnyDBFeature(*features):
    """
    Skip a test unless a database has any of the named features.
    """
    return _deferredSkip(
        lambda: not any(getattr(connection.features, feature, False) for feature in features),
        "Database doesn't support any of the feature(s): %s" % ", ".join(features)
    )