module_conversion.py 文件源码

def buildable(message_obj):
    """Return a "buildable" callable for st.builds which will handle optionals."""
    def builder(**kwargs):
        return message_obj(**{
            k: v
            for k, v in kwargs.items()
            if v is not None  # filter out unpopulated optional param
        })
    builder.__name__ = message_obj.DESCRIPTOR.full_name
    return builder