forms.py 文件源码

def save(self):
        instance = super(PackageForm, self).save(commit=False)

        if not instance.slug:
            slug = name_slug = slugify(instance.name)

            for x in itertools.count(2):
                if Project.objects.filter(slug=slug).exists():
                    slug = '{}-{}'.format(name_slug, x)
                else:
                    instance.slug = slug
                    instance.save()
                    break

        return instance