Page not found (404) adding a Django page-CodePudding

So I am trying to link up a page on my blog. I have created the template, view and URL for the page but it keeps throwing a 404 error. Could someone please look over my code and help me figure out the issue?

add_post.html:

{% extends "base.html" %}

{% block content %}

<header>
    <div >
        <div >
            <h1 >Add Your Post</h1>
            <p >Tell us about your favourite game</p>
        </div>
    </div>
</header>

{%endblock%}

views.py:

    from django.shortcuts import render, get_object_or_404, reverse
    from django.views.generic import View, CreateView, ListView
    from django.http import HttpResponseRedirect
    from .models import Post
    from .forms import CommentForm

class AddPost(CreateView):
    model = Post
    template_name = 'add_post.html'
    fields = '__all__'

urls.py:

from .views import AddPost, PostList, PostDetail, PostLike
from django.urls import path


urlpatterns = [
    path('', PostList.as_view(), name='home'),
    path('<slug:slug>/', PostDetail.as_view(), name='post_detail'),
    path('like/<slug:slug>/', PostLike.as_view(), name='post_like'),
    path('add_post/', AddPost.as_view(), name='create_post'),
]

CodePudding user response：

The order of the URL pattern is sensitive. You have a "catchall" URL defined with path('<slug:slug>/', PostDetail.as_view(), name='post_detail'),. Therefor add_post could be a valid slug for a post, which is causing the conflict.

Just change the order of your URL patterns to the following:

from .views import AddPost, PostList, PostDetail, PostLike
from django.urls import path


urlpatterns = [
    path('', PostList.as_view(), name='home'),
    path('like/<slug:slug>/', PostLike.as_view(), name='post_like'),
    path('add_post/', AddPost.as_view(), name='create_post'),
    path('<slug:slug>/', PostDetail.as_view(), name='post_detail'),
]