DJ CRUD update?

Question

Django

When going to the post editing page, it gives an error, and tags can be changed without problems,
although both (post, tag) use the same
Traceback mixin

Environment:


Request Method: GET
Request URL: http://127.0.0.1:8000/posts/new-post-1555763604/update/

Django Version: 2.1.5
Python Version: 3.7.2
Installed Applications:
['blog',
 'engine',
 'django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']



Traceback:

File "/usr/local/lib/python3.7/site-packages/django/core/handlers/exception.py" in inner
  34.             response = get_response(request)

File "/usr/local/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
  126.                 response = self.process_exception_by_middleware(e, request)

File "/usr/local/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
  124.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/local/lib/python3.7/site-packages/django/views/generic/base.py" in view
  68.             return self.dispatch(request, *args, **kwargs)

File "/usr/local/lib/python3.7/site-packages/django/views/generic/base.py" in dispatch
  88.         return handler(request, *args, **kwargs)

Exception Type: TypeError at /posts/new-post-1555763604/update/
Exception Value: get() got an unexpected keyword argument 'slug'

urls.py

from django.urls import path
from . views import *

urlpatterns = [
  path('', index, name='main_url'),

  path('posts/', post, name='posts_url'),
  path('posts/create/', PostCreate.as_view(), name='post_create_url'),
  path('posts/<str:slug>/update/', PostUpdate.as_view(), name='post_update_url'),
  path('posts/<str:slug>/', PostInfo.as_view(), name='post_url'),

  path('tags/', tag, name='tags_url'),
  path('tags/create/', TagCreate.as_view(), name='tag_create_url'),
  path('tags/<str:slug>/', TagInfo.as_view(), name='tag_url'),
  path('tags/<str:slug>/update/', TagUpdate.as_view(), name='tag_update_url'),
]

post_update.html

{% extends 'main/index.html' %}

{% block title %}
  Update post
{% endblock %}

{% block content %}



  <form action="{{ post.get_update_url }}" method="POST">
    
      {% csrf_token %}

      {% for field in form %}
      
        <div class="form-group">
          
          {% if field.errors %}
            <div class="alert alert-danger">{{ field.errors }}</div>
          {% endif %}
          
          {{ field.label }}
            {{ field }}

        </div>
      {% endfor %}

    <a href=""><button type="submit" class="btn btn-primary">Изменить пост</button></a>

  </form>



{% endblock %}

Answer 1

Test the screw (vicrotia, mhdd), if everything is in order, then stop hitting the laptop during operation :)
Another fault may be the cable of the screw.
Do not produce questions How to fix recovery win 10 error?

Answer 2

You need to put smart here.