forms.py 文件源码

def clean(self, *args, **kwargs):
        super(NewPrivateMessageForm, self).clean(*args, **kwargs)

        try:
            last_pm = (PrivateMessage.objects
                .filter(sender=self._author)
                .order_by('-created'))[0]

        except IndexError:
            return self.cleaned_data


        time_since = (timezone.now() - last_pm.created).total_seconds()
        flood_control = utils.get_config('private_message_flood_control')

        if time_since < flood_control:
            raise ValidationError(
                ('Flood control has blocked this message from being sent, '
                 'you can send another PM in %(ttp)d seconds.'),
                params={'ttp': flood_control - time_since},
                code='FLOOD_CONTROL')


        return self.cleaned_data