Python hypothesis.strategies 模块，composite() 实例源码

def api_metadata(
        draw, maintainer_names=text(), versions=text()
) -> APIMetadataInterface:
    """

    :param draw: A function supplied by the ``@composite`` decorator,
        which knows how to draw a randomly-generated sample from the
        strategies provided by ``hypothesis``
    :param maintainer_names: A generator for maintainer names
    :param versions: A generator for API versions
    :return: A randomly-generated API Metadata model
    """
    return _APIMetadata(
        draw(maintainer_names), draw(versions)
    )