cfgdata.py 文件源码

def load_all(filename):
    """Generate objects contained in ``filename``."""
    if filename.endswith('.yaml') or filename.endswith('.yml'):
        with io.open(filename, encoding='utf-8') as handle:
            for obj in yaml.load_all(handle):
                yield obj
    else:
        raise UsageError("Unsupported file type (extension) in '{}'!".format(filename))