from django.conf import settings
from django.contrib import admin
from django.core.cache import cache
-from django.core.urlresolvers import reverse
+from django.urls import reverse
FORMAT_CHOICES = (
('rst', 'reStructuredText'),
title = models.CharField(max_length=150)
islive = models.BooleanField(default=False)
extracss = models.ManyToManyField(CSSDocument, blank=True)
- folder = models.ForeignKey('Folder', null=True, blank=True)
+ folder = models.ForeignKey('Folder', on_delete=models.SET_NULL, null=True, blank=True)
format = models.CharField(max_length=10, choices=FORMAT_CHOICES)
slug = models.SlugField()
content = models.TextField()
class Folder(models.Model):
title = models.CharField(max_length=150)
slug = models.SlugField()
- parent = models.ForeignKey('self', null=True, blank=True)
+ parent = models.ForeignKey('self', on_delete=models.SET_NULL, null=True, blank=True)
def __str__(self):
return self.__unicode__()