datavalue.py 文件源码

def __call__(self,
                 client: Client,
                 datatype: str,
                 datavalue: Mapping[str, object]) -> object:
        try:
            type_ = datavalue['type']
        except KeyError:
            raise DatavalueError('no "type" specified', datavalue)
        assert isinstance(type_, str)
        if 'value' not in datavalue:
            raise DatavalueError('no "value" field', datavalue)
        method_name = '{}__{}'.format(datatype, type_).replace('-', '_')
        method = getattr(self, method_name, None)
        if callable(method):
            return method(client, datavalue)
        method_name = type_.replace('-', '_')
        method = getattr(self, method_name, None)
        if callable(method):
            return method(client, datavalue)
        raise DatavalueError('{!r} is unsupported type'.format(type_),
                             datavalue)