from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User
# Create your models here.
class Product(models.Model):
CONDITION_TYPE = (
("New", "New"),
("Used", "Used"),
)
name = models.CharField(max_length=50)
category = models.ForeignKey(
'Category', on_delete=models.SET_NULL, null=True)
brand = models.ForeignKey(
'Brand', on_delete=models.SET_NULL, blank=True, null=True)
description = models.TextField()
owner = models.ForeignKey(User, on_delete=models.CASCADE)
condition = models.CharField(max_length=50, choices=CONDITION_TYPE)
price = models.DecimalField(max_digits=10, decimal_places=2)
created = models.DateTimeField(default=timezone.now)
def __str__(self):
return self.name
class Category(models.Model):
category_name = models.CharField(max_length=50)
image = models.ImageField(upload_to='product/', blank=True, null=True)
def __str__(self):
return self.category_name
class Meta:
verbose_name = 'category'
verbose_name_plural = 'categories'
class Brand(models.Model):
category_name = models.CharField(max_length=50)
def __str__(self):
return self.category_name
class Meta:
verbose_name = 'brand'
verbose_name_plural = 'brands'
class ProductImages(models.Model):
product = models.ForeignKey(Product, on_delete=models.CASCADE)
product_image = models.ImageField(
upload_to='categories/', null=True, blank=True)
def __str__(self):
return self.Product
class Meta:
verbose_name = 'product images'
verbose_name_plural = 'product images'
Когда я добавляю изображения продуктов в разделе админ-панели, отображается ошибка атрибута:
AttributeError at /admin/product/productimages/add/
'ProductImages' object has no attribute 'Product'
Request Method: POST
Request URL: http://127.0.0.1:8000/admin/product/productimages/add/
Django Version: 3.0.5
Exception Type: AttributeError
Exception Value:
'ProductImages' object has no attribute 'Product'
Exception Location: /home/durga/Desktop/django_projects/olx_clone/src/product/models.py in __str__, line 59
Python Executable: /home/durga/Desktop/django_projects/olx_clone/bin/python
Python Version: 3.7.5
Python Path:
['/home/durga/Desktop/django_projects/olx_clone/src',
'/usr/lib/python37.zip',
'/usr/lib/python3.7',
'/usr/lib/python3.7/lib-dynload',
'/home/durga/Desktop/django_projects/olx_clone/lib/python3.7/site-packages']
Server time: Wed, 29 Apr 2020 12:03:20 +0000