models.py 文件源码

def clean(self):
        """Overriding the default clean method to implement param checking"""
        super(CNAMERecord, self).clean()
        if not self.rdata[0].endswith('.'):
            self.rdata[0] += '.'
        if not len(self.rdata) == 1:
            raise me.ValidationError('We cannot have more than one rdata'
                                     'values for this type of record.')