我心中已经有问题在Django“自我”多对多关系:在views.pyDjango的多对多关系:“元组”对象有没有属性“所有”
class EcomProduct(models.Model):
products = models.ManyToManyField('self', through='EcomProductToProduct', symmetrical=False),
class EcomProductToProduct(models.Model):
from_ecom_product = models.ForeignKey(EcomProduct,related_name='from_ecomproduct')
to_ecom_product = models.ForeignKey(EcomProduct,related_name='to_ecomproduct')
class Meta:
db_table = u'ecom_product_to_product'
现在:
我的模型我需要获得与特定产品的所有产品:
def show_product(request, ecomproduct_slug, template_name="catalog/product.html"):
p = get_object_or_404(EcomProduct, slug=ecomproduct_slug)
related_products_to_product = p.products.all() #it doesn't work
我收到消息:
Exception Value: 'tuple' object has no attribute 'all'
我不知道如何解决它。问题是如何将特定产品的所有相关产品? 感谢您的帮助。
请回复(p)和repr(p.products) – guettli