bottle.py 文件源码

def __setattr__(self, key, value):
            if key in ('_config', '_prefix'):
                self.__dict__[key] = value
                return
            depr('Attribute assignment is deprecated.') #0.12
            if hasattr(DictMixin, key):
                raise AttributeError('Read-only attribute.')
            if key in self and self[key] and isinstance(self[key], self.__class__):
                raise AttributeError('Non-empty namespace attribute.')
            self[key] = value