exc.py 文件源码

def __init__(self, message=None):
        super(HTTPException, self).__init__(message)
        try:
            self.error = jsonutils.loads(message)
            # Adjutant client: mangle the 'errors' return list into
            # standard 'error' format
            if 'errors' in self.error:
                self.error['error'] = {
                    "message": ', '.join(self.error['errors']),
                }

            if 'error' not in self.error:
                raise KeyError(_('Key "error" does not exist.'))
        except KeyError:
            # NOTE(jianingy): If key 'error' happens not exist,
            # self.message becomes no sense. In this case, we
            # return doc of current exception class instead.
            self.error = {'error':
                          {'message': self.__class__.__doc__}}
        except Exception:
            self.error = {'error':
                          {'message': self.message or self.__class__.__doc__}}