exception.py 文件源码

def __init__(self, message=None, **kwargs):
        self.kwargs = kwargs

        if 'code' not in self.kwargs:
            try:
                self.kwargs['code'] = self.code
            except AttributeError:
                pass

        if message:
            self.message = message

        try:
            self.message = self.message % kwargs
        except Exception as e:
            # kwargs doesn't match a variable in the message
            # log the issue and the kwargs
            LOG.exception('Exception in string format operation')
            for name, value in kwargs.items():
                LOG.error("%(name)s: %(value)s" %
                          {'name': name, 'value': value})
            try:
                if CONF.fatal_exception_format_errors:
                    raise e
            except cfg.NoSuchOptError:
                # Note: work around for Bug: #1447873
                if CONF.oslo_versionedobjects.fatal_exception_format_errors:
                    raise e

        super(GluonException, self).__init__(self.message)