pyyaml.py 文件源码

def Deserializer(stream_or_string, **options):
    """
    Deserialize a stream or string of YAML data.
    """
    if isinstance(stream_or_string, bytes):
        stream_or_string = stream_or_string.decode('utf-8')
    if isinstance(stream_or_string, six.string_types):
        stream = StringIO(stream_or_string)
    else:
        stream = stream_or_string
    try:
        for obj in PythonDeserializer(yaml.load(stream, Loader=SafeLoader), **options):
            yield obj
    except GeneratorExit:
        raise
    except Exception as e:
        # Map to deserializer error
        six.reraise(DeserializationError, DeserializationError(e), sys.exc_info()[2])