python - 限制(许可)Django 员工用户更改模型的某些字段

Question

假设我有一个博客模型

class Blog(models.Model):
    author = models.ForeignKey(User)
    title = models.CharField(max_length=250, unique=True)
    body = models.TextField()

我有一个模型管理员，它确保哪个用户可以更改哪个博客:

class BlogAdmin(admin.ModelAdmin):

    def has_add_permission(self, request):
        return request.user.groups.filter(name='author').exists()

    def has_change_permission(self, request, obj=None):
        return request.user.groups.filter(name='editor').exists() or (request.user.groups.filter(name='author').exists() and Blog.objects.filter(pk=obj, author=request.user).count() >0 )

    def has_delete_permission(self, request, obj=None):
        return request.user.groups.filter(name='editor').exists() or (request.user.groups.filter(name='author').exists() and Blog.objects.filter(pk=obj, author=request.user).count() >0 )

但我想限制一组用户更改博客模型的字段，比如“作者”组不能通过管理面板更改作者的字段。

我该怎么做？提前致谢。

Answer 1

我想我找到了一个方法。我可以覆盖 ModelAdmin 的 save_model 方法并执行以下操作...

class ArticleAdmin(admin.ModelAdmin):
    def save_model(self, request, obj, form, change):
        if request.user in permited user:
            obj.save()
        else:
            raise forms.ValidationError("you can't do that.")