django 内联过滤

class Author(models.Model):
    name = models.CharField(max_length=50)
    desc = models.CharField(max_length=50)

class Book(models.Model):
    author = models.ForeignKey(Author)
    title= models.CharField(max_length=50)

class BookPrio::
    author = models.ForeignKey(Author)
    book = models.ForeignKey(Book)
    prio = models.IntegerField()

 

我没有看到任何简单的方法来访问已编辑的对象,因此我将formfield_for_foreignkey定义放在change_view中,并在view函数中分配了内联.

class BookPrioInline(admin.TabularInline):
    model = BookPrio

class AuthorAdmin(admin.ModelAdmin):
    inlines = (BookPrioInline,)

    def change_view(self, request, object_id, extra_context=None):
          def formfield_for_foreignkey(self, db_field, request, **kwargs):
              if db_field.name == 'book':
                  kwargs['queryset'] = Book.objects.filter(author__id=object_id)
              return super(ItemInline, self).formfield_for_foreignkey(db_field, request, **kwargs)

          ItemInline.formfield_for_foreignkey = formfield_for_foreignkey

          self.inline_instances = [ItemInline(self.model, self.admin_site)]

          return super(AuthorAdmin, self).change_view(request, object_id,
              extra_context=extra_context)


admin.site.register(Author, AuthorAdmin)