Django 1.8 No Reverse Match At Error - python

I am getting the following error message http://prntscr.com/7f3l4d everytime I click on a link in template.html. Can someone help me out with this.
urls.py project
urlpatterns = [
url(r'^', include('feature.urls', namespace="feature")),
url(r'^admin/', include(admin.site.urls)),
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
urls.py app
urlpatterns = [
url(r'^$', views.rock_and_feat, name='rock_and_feat'),
url(r'^(?P<pk>[0-9]+)/$', views.DetailView.as_view(), name='detail'),
]
views.py
def rock_and_feat(request):
feats = Feat.objects.order_by('-created')[:3]
rocks = Rockinfo.objects.order_by('-rank')[:50]
context = RequestContext(request, {
'feats': feats, 'rocks': rocks})
return render_to_response('template.html', context)
class DetailView(generic.DetailView):
model = Feat
template_name = 'feature/detail.html'
context_object_name = 'feat'
template.html
{% extends "index.html" %}
{% block mainmast %}
<div id="wrapper">
{% if feats %}
{% for feat in feats %}
<div class="specialsticky">
<img src="{{ feat.image.url }}" alt="some text">
<h1 class="mast-header">
{{feat.title}}
</h1>
</div>
{% endfor %}
{% else %}
<p>No </p>
{% endif %}
</div>
{% endblock %}
When I click on the image in template.html the error occurs.Thanks.

You have placed the urls for your app in a namespace feature, so when referring to that url, you must use the namespace.
url(r'^', include('feature.urls', namespace="feature")),
Change your template to: <a href="{% url 'feature:detail' feat.id %}"> and it will work.
https://docs.djangoproject.com/en/1.8/topics/http/urls/#url-namespaces

Related

module 'search.views' has no attribute 'search'

I'm using the wagtail cms to do a search. I'm using the default search in the /search folder. When I preform a search I get the following exception thrown at me.
AttributeError at /search/
module 'search.views' has no attribute 'search'
This is my views.py
from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
from django.shortcuts import render
from wagtail.core.models import Page
from wagtail.search.models import Query
def search(request):
search_query = request.GET.get('query', None)
page = request.GET.get('page', 1)
# Search
if search_query:
search_results = Page.objects.live().search(search_query)
query = Query.get(search_query)
# Record hit
query.add_hit()
else:
search_results = Page.objects.none()
# Pagination
paginator = Paginator(search_results, 10)
try:
search_results = paginator.page(page)
except PageNotAnInteger:
search_results = paginator.page(1)
except EmptyPage:
search_results = paginator.page(paginator.num_pages)
return render(request, 'search/search.html', {
'search_query': search_query,
'search_results': search_results,
})
This is my template/search/search.html
{% extends "base.html" %}
{% load static wagtailcore_tags %}
{% block body_class %}template-searchresults{% endblock %}
{% block title %}Search{% endblock %}
{% block content %}
<h1>Search</h1>
<form action="{% url 'search' %}" method="get">
<input type="text" name="query"{% if search_query %} value="{{ search_query }}"{% endif %}>
<input type="submit" value="Search" class="button">
</form>
{% if search_results %}
<ul>
{% for result in search_results %}
<li>
<h4>{{ result }}</h4>
{% if result.search_description %}
{{ result.search_description }}
{% endif %}
</li>
{% endfor %}
</ul>
{% if search_results.has_previous %}
Previous
{% endif %}
{% if search_results.has_next %}
Next
{% endif %}
{% elif search_query %}
No results found
{% endif %}
{% endblock %
}
I'm getting the following error when I preform a search
AttributeError at /search/
module 'search.views' has no attribute 'search'
URLS.py
from search import views as search_views
urlpatterns = [
url(r'^django-admin/', admin.site.urls),
url(r'^admin/', include(wagtailadmin_urls)),
url(r'^documents/', include(wagtaildocs_urls)),
url(r'^search/$', search_views.search, name='search'),
url(r'sitemap.xml', sitemap),
url(r'^wagtail-transfer/', include(wagtailtransfer_urls)),
]
Directory Structure
I don't see any error. What I'm assuming you have a django package by the same name 'search' installed. So I think changing your app name would resolve your problem.
On the other hand you can separate app urls from main urls and use relative import.
To do that you have to do
create a file named urls.py in your search app.
from django.urls import path
from . import views as search_view
urlpatterns = [
path('', search_views.search, name='search')
]
include urls.py(form search) in your main urls.py
#from search import views as search_views
urlpatterns = [
url(r'^django-admin/', admin.site.urls),
url(r'^admin/', include(wagtailadmin_urls)),
url(r'^documents/', include(wagtaildocs_urls)),
url(r'^search/', include('search.urls')),
url(r'sitemap.xml', sitemap),
url(r'^wagtail-transfer/', include(wagtailtransfer_urls)),
]

404 Page not found Django even though it is in urls.py

I don't know why I am getting a 404 error on the page flights/1 when clearly, I have a url pattern for
<int:flight_id> (flights is a app). Help!
My urls.py for the project
from django.contrib import admin
from django.urls import path
from django.urls import include
urlpatterns = [
path('admin/', admin.site.urls),
path('flights/', include('flights.urls'))
]
My urls.py for the flights app
from django.urls import path
from . import views
urlpatterns = [
path("", views.index, name="index"),
path("<int:flight_id>", views.flight, name="flight"),\
]
And the views.flight
def flight(request, flight_id):
flight = Flight.objects.get(id=flight_id)
return render(request, "flights/flight.html", {
"flight": flight,
"passengers": flight.passengers.all(),
"non_passengers": Passenger.objects.exclude(flights=flight).all()
})
Template
{% extends "flights/layout.html" %}
{% block body %}
<h1>Flight {{ flight.id }}</h1>
<ul>
<li>Origin: {{ flight.origin }}</li>
<li>Destination: {{ flight.destination }}</li>
<li>Duration: {{ flight.duration }}</li>
</ul>
<h2>Passengers</h2>
<ul>
{% for passenger in passengers %}
<li>{{ passenger }}</li>
{% empty %}
<li>No passengers.</li>
{% endfor%}
</ul>
<h2>Add Passenger</h2>
<form method="POST" action="{% url 'flight' flight.id book %}">
{% csrf_token %}
<select name="passengers">
{% for passenger in non_passengers %}
<option value="{{ passenger.id }}">{{ passenger }}</option>
{% endfor %}
</select>
</form>
Back to Flight List
{% endblock %}
With layout.html being html boilerplate code

Django - link to url from different app in same project

I am making a Django project with multiple apps and therefore multiple urls.py files. I am trying to an app for user accounts into a project with apps for the shop, cart, and orders. Specifically, I want to link the account/ pages back to the shop
Main urls.py:
urlpatterns = [
url(r'^admin/', include(admin.site.urls)),
url(r'^account/', include('account.urls')),
url(r'^cart/', include('cart.urls', namespace='cart')),
url(r'^orders/', include('orders.urls', namespace='orders')),
url(r'^', include('shop.urls', namespace='shop')),
]
Urls.py for account/:
urlpatterns = [
url(r'^login/$', 'django.contrib.auth.views.login', name='login'),
url(r'^logout/$', 'django.contrib.auth.views.logout', name='logout'),
url(r'^logout-then-login/$', 'django.contrib.auth.views.logout_then_login',name='logout_then_login'),
url(r'^register/$', views.register, name='register'),
url(r'^$', views.dashboard, name='dashboard'),
]
Here is the template I am using for the account page
{% load staticfiles %}
<!DOCTYPE html>
<html>
<head>
<title>{% block title %}{% endblock %}</title>
<link href="{% static "css/base.css" %}" rel="stylesheet">
</head>
<body>
<div id="header">
<span class="logo">Rachel's Stuff</span>
{% if request.user.is_authenticated %}
<ul class="menu">
<li {% if section == "dashboard" %}class="selected"{% endif %}>
My dashboard
</li>
<li {% if section == "images" %}class="selected"{% endif %}>
Home
</li>
<li {% if section == "people" %}class="selected"{% endif %}>
People
</li>
</ul>
{% endif %}
<span class="user">
{% if request.user.is_authenticated %}
Hello {{ request.user.first_name }},
Logout
{% else %}
Log-in
{% endif %}
</span>
</div>
<div id="content">
{% block content %}
{% endblock %}
</div>
</body>
</html>
Here, I want to link from 127.0.0.1:8000/account/ back to http://127.0.0.1:8000, which defaults to the main storefront:
<li {% if section == "images" %}class="selected"{% endif %}>
Home
</li>
But I get an error:
Reverse for 'shop' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
Request Method: GET
Request URL: http://127.0.0.1:8000/account/
Django Version: 1.8.6
Exception Type: NoReverseMatch
Exception Value:
Reverse for 'shop' with arguments '()' and keyword arguments '{}' not >found. 0 pattern(s) tried: []
How can I link back to the main shop page (127.0.0.1:8000/) when I'm already in the account namespace? Sorry if I used any terms wrong.
You are using wrong url name (shop) to reverse. Have a look at shop/urls.py file and see the actual name of the ^$ path. As there is already a namespace defined it should be reversed as shop:<your url name here>.

Syntax error in urls.py

I was trying to add an editing/deleting function for a bookmarks app.
I get the following error:
My Urls.py file is the following:
from django.conf.urls import patterns, include, url
# Uncomment the next two lines to enable the admin:
# from django.contrib import admin
# admin.autodiscover()
urlpatterns = patterns('',
# Examples:
# url(r'^$', 'myproject.views.home', name='home'),
# url(r'^myproject/', include('myproject.foo.urls')),
# Uncomment the admin/doc line below to enable admin documentation:
# url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
# Uncomment the next line to enable the admin:
# url(r'^admin/', include(admin.site.urls)),
url(r'^$', 'bookmarks.views.index', name='home'),
url(r'^bookmarks/$', 'bookmarks.views.index', name='bookmarks_view'),
url(r'^tags/([\w-]+)/$', 'bookmarks.views.tag'),
url(r'^login/$', 'django.contrib.auth.views.login'),
url(r'^logout/$', 'django.contrib.auth.views.logout', {'next_page': '/'})
url(r'^delete/(\d+)/$', 'bookmarks.views.delete'),
url(r'^edit/(\d+)/$', 'bookmarks.views.edit'),
)
The views.py file:
...remaining code
def delete(request, bookmark_id):
if request.method == 'POST':
b = get_object_or_404(Bookmark, pk=int(bookmark_id))
b.delete()
return redirect(index)
def edit(request, bookmark_id):
b = get_object_or_404(Bookmark, pk=int(bookmark_id))
context = {
'form' : BookmarkForm(instance=b),
}
return render(request, 'edit.html', context)
The bookmark widget in index.html
{% block bookmark_widget %}
{% if request.user %}
<div id="new-bookmark-widget">
<form method="post" action="{% url bookmarks.views.index %}">
{% csrf_token %}
<h3>Bookmark</h3>
{{ form.as_p }}
<p><button id="new-bookmark-submit">Submit</button>Submit</button>
</form>
</div>
{% endif %}
{% endblock %}
The relevant div in base.html
<div id="container">
<div id="header">
{% block bookmark_widget %}
{% endblock %}
<div id="authentication">
{% if user.is_authenticated %}
Hi {{user}}! Logout
{% else %}
Login
{% endif %}
</div>
<h1>My bookmarking app</h1>
</div>
<div id="content">
<h2>{% block subheader %}{% endblock %}</h2>
{% block content %}
Sample content -- you should never see this, unless an inheriting template fails to have any content block!
{% endblock %}
</div>
<div id="footer">
All copyrights reserved
</div>
</div>
The complete bookmark.html file:
<li>
<a class="bookmark-link" href="{{ bookmark.url }}">{% if bookmark.title %}{{ bookmark.title }}{% else %}{{ bookmark.url }}{% endif %}</a>
<div class="metadata"><span class="author">Posted by {{ bookmark.author }}</span> | <span class="timestamp">{{ bookmark.timestamp|date:"Y-m-d" }}</span>
{% if bookmark.tag_set.all %}| <span class="tags">
{% for tag in bookmark.tag_set.all %}
{{ tag.slug }}</span>
{% endfor %}
{% endif %}
</div>
{% if request.user.is_authenticated %}
<div class="actions"><form method=="POST" action="{% url bookmarks.view.delete bookmark.id %}>
{% csrf_token %}
<input type="submit" value="Delete">
</form> </div>
{% endif %}
I am new to Django, how do I handle error mistakes and how do I find the problem? I couldnt see it from the error message.
Thank you!
missing a comma on the following line:
url(r'^logout/$', 'django.contrib.auth.views.logout', {'next_page': '/'}), <-add here
I presume your comments section also lines up with the rest of your code and it is formatted incorrectly in your question
You're missing a comma at the end of this line:
url(r'^logout/$', 'django.contrib.auth.views.logout', {'next_page': '/'})

Reverse for '' with arguments '(1L,)' and keyword arguments '{}' not found

I'm new to Django and faced with next problem: when I turn on the appropriate link I get next error:
NoReverseMatch at /tutorial/
Reverse for 'tutorial.views.section_tutorial' with arguments '(1L,)' and keyword arguments '{}' not found.
What am I doing wrong? and why in the args are passed "1L" instead of "1"? (when i return "1" i get same error.) I tried to change 'tutorial.views.section_tutorial' for 'section-detail' in my template but still nothing has changed. Used django 1.5.4, python 2.7; Thanks!
tutorial/view.py:
def get_xhtml(s_url):
...
return result
def section_tutorial(request, section_id):
sections = Section.objects.all()
subsections = Subsection.objects.all()
s_url = Section.objects.get(id=section_id).content
result = get_xhtml(s_url)
return render(request, 'tutorial/section.html', {'sections': sections,
'subsections': subsections,
'result': result})
tutorial/urls.py:
from django.conf.urls import patterns, url
import views
urlpatterns = patterns('',
url(r'^$', views.main_tutorial, name='tutorial'),
url(r'^(?P<section_id>\d+)/$', views.section_tutorial, name='section-detail'),
url(r'^(?P<section_id>\d+)/(?P<subsection_id>\d+)/$', views.subsection_tutorial, name='subsection-detail'),
)
urls.py:
urlpatterns = patterns('',
url(r'^$', views.index, name='index'),
url(r'^tutorial/$', include('apps.tutorial.urls')),
)
main.html:
{% extends "index.html" %}
{% block content %}
<div class="span2" data-spy="affix">
<ul id="menu">
{% for section in sections %}
<li>
{{ section.name }}
<ul>
{% for subsection in subsections%}
{% if subsection.section == section.id %}
<li><a href=#>{{ subsection.name }}</a></li>
{% endif %}
{% endfor %}
</ul>
{% endfor %}
</li>
</ul>
</div>
<div class="span9">
<div class="well">
{% autoescape off%}
{{ result }}
{% endautoescape %}
</div>
</div>
{% endblock %}
You don't need $ identifier in url regex in your main urls file when including app urls:
url(r'^tutorial/$', include('apps.tutorial.urls')),
should be:
url(r'^tutorial/', include('apps.tutorial.urls')),

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