box.py 文件源码

def _from_yaml(yaml_string=None, filename=None,
               encoding="utf-8", errors="strict",
               **kwargs):
    if filename:
        with open(filename, 'r',
                  encoding=encoding, errors=errors) as f:
            data = yaml.load(f, **kwargs)
    elif yaml_string:
        data = yaml.load(yaml_string, **kwargs)
    else:
        raise BoxError('from_yaml requires a string or filename')
    return data

# Helper functions