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include() got an unexpected keyword argument 'app_name'

i am making a blog application for my website with django-2.0 when i run server i see the following error

File "C:\Users\User\Desktop\djite\djite\djite\urls.py", line 7, in <module>
url(r'^blog/', include('blog.urls', namespace='blog', app_name='blog')),
TypeError: include() got an unexpected keyword argument 'app_name'

here is my main urls.py

from django.contrib import admin
from django.conf.urls import url,include

urlpatterns = [
    url(r'^admin/', admin.site.urls),

    url(r'^blog/', include('blog.urls', namespace='blog', app_name='blog')),
]

and here's my blog/urls.py

from django.conf.urls import url
from . import views
urlpatterns = [
    url(r'^$', views.post_list, name='post_list'),
    url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>d{2})/(?P<post>
    [-/w]+)/$', views.post_detail, name='post_detail'),
    ]

my views.py:

from django.shortcuts import render, HttpResponse, get_object_or_404
from blog.models import Post
def post_list(request): #list
posts=Post.published.all()
return render(request, 'blog/post/list.html', {'posts': posts})

def post_detail(request, year, month, day, post):
    post =get_object_or_404(post, slog=post,
                              status='published',
                              publush__year=year,
                              publish__month=month,
                              publish__day=day)
    return render (request, 'blog/post/detail.html', {'post':post})

models.py:

# -*- coding:utf-8 -*-
from django.db import models
from django.conf import settings
from django.utils import timezone
from django.contrib.auth.models import User
from django.utils.translation import ugettext_lazy as _
from django.urls import reverse
class PublishedManager(models.Manager):
    def get_queryset(self):
        return super(PublishedManager, 
        self).get_queryset().filter(status='published')

class Post(models.Model):
    STATUS_CHOICES = (
        ('draft', 'Draft'),
        ('published', 'Published'),
    )
    title = 
    models.CharField(max_length=255,verbose_name=_('title'),help_text=_('add 
    title'))
    content = models.TextField(verbose_name=_('content'),help_text=_('write 
    here'))
    publish = models.DateTimeField(default=timezone.now)
    createtime = models.DateTimeField(_('create time'),auto_now_add=True, 
    auto_now=False,help_text=_('create time'))
    updatetime = models.DateTimeField(_('update time'),auto_now_add=False, 
    auto_now=True,help_text=_('update time'))
    author = models.ForeignKey(settings.AUTH_USER_MODEL, 
    verbose_name=_('author'), 
    on_delete=models.DO_NOTHING,help_text=_('choose author'))
    slug = models.SlugField(unique=True, max_length=255,help_text=_('add 
    slug'))
    status = models.CharField(max_length=10, choices=STATUS_CHOICES, 
    default='draft')


    def __unicode__(self):
        return self.title

    def __str__(self):
        return self.title

    class Meta:
        ordering = ('-publish',)
        verbose_name = _('Post')
        verbose_name_plural = _('Posts')


    def get_absolute_url(self):
        return reverse('blog:post_detail', args=[self.publish.year,
                                         self.publish.strftime('%m'),
                                         self.publish.strftime('%d'),
                                         self.slug])

also my views.py has a problem that i don't think that's related to my current error, when i delete

namespace='blog', app_name='blog'

from this line in main urls.py

url(r'^blog/', include('blog.urls', namespace='blog', app_name='blog')),

the server runs but when i go to this directory:

http://localhost:8000/blog/

i see this error

AttributeError at /blog/
type object 'Post' has no attribute 'published'

it says that this line of code has problem in views.py

 posts=Post.published.all() 
like image 889
wr3yth Avatar asked Jan 09 '18 23:01

wr3yth


1 Answers

Using app_name with include is deprecated in Django 1.9 and does not work in Django 2.0. Set app_name in blog/urls.py instead.

app_name = 'blog'
urlpatterns = [
    url(r'^$', views.post_list, name='post_list'),
    ...
]

Then change the include to:

url(r'^blog/', include('blog.urls')),

You don't need namespace='blog', as it will default to the application namespace anyway.

The second error is unrelated. You have forgotten to instantiate your custom manager on the model.

class Post(models.Model):
    ...
    published = PublishedManager()
like image 55
Alasdair Avatar answered Sep 29 '22 20:09

Alasdair