Re: Reverse for 'reg/{{post.pk}}/' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []

what is the url template tag take a route name?

so far, error is Reverse for 'views.post_detail' with arguments '()' and keyword arguments '{u'pk': ''}' not found. 0 pattern(s) tried: []

On Tuesday, May 24, 2016 at 9:07:25 PM UTC+8, ludovic coues wrote:

It should work better this way:
<button type="submit" class="save btn btn-default"
onClick="window.location.href='{% url 'post_detail' pk=post.pk
%}'">Save</button>

the url template tag take a route name, not an url as it first argument.

2016-05-24 10:19 GMT+02:00 meInvent bbird <jobma...@gmail.com>:
> Reverse for 'reg/{{post.pk}}/' with arguments '()' and keyword arguments
> '{}' not found. 0 pattern(s) tried: []
>
> i follow django girl web , expect to go to /reg to fill a form and press
> save button then go to web /reg/<a number>
>
> it has error
>
> INSTALLED_APPS = (
>     'django.contrib.admin',
>     'django.contrib.auth',
>     'django.contrib.contenttypes',
>     'django.contrib.sessions',
>     'django.contrib.messages',
>     'django.contrib.staticfiles',
>     'django.contrib.sites',
> )
>
> MIDDLEWARE_CLASSES = (
>     'django.contrib.sessions.middleware.SessionMiddleware',
>     'django.middleware.common.CommonMiddleware',
>     'django.middleware.csrf.CsrfViewMiddleware',
>     'django.contrib.auth.middleware.AuthenticationMiddleware',
>     'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
>     'django.contrib.messages.middleware.MessageMiddleware',
>     'django.middleware.clickjacking.XFrameOptionsMiddleware',
>     'django.middleware.security.SecurityMiddleware',
>     'site1.reg.models.Post',
> )
>
> registration.html
>
> {% block content %}
>
>     <h1>New user registration</h1>
>
>     <form method="POST" class="post-form">{% csrf_token %}
>
>         {{ form.as_p }}
>
>         <button type="submit" class="save btn btn-default"
> onClick="window.location.href='{% url 'reg/{{post.pk}}/'  %}'">Save</button>
>
>     </form>
>
> {% endblock %}
>
> urls.py
>
> from django.conf.urls import include, url
>
> from . import views
>
>
>
> urlpatterns = [
>
>     url(r'^reg/$', views.post_new, name='post_new'),
>
>     url(r'^reg/(?P<pk>\d+)/$', views.post_detail, name='post_detail'),
>
> ]
>
> views.py
>
> from .forms import PostForm
>
> from django.shortcuts import render
>
> from django.template.loader import get_template
>
>
>
> def post_new(request):
>
>     form = PostForm()
>
>     return render(request, 'registration.html', {'form': form})
>
>
>
> def post_detail(request, pk):
>
>     post = get_object_or_404(Post, pk=pk)
>
>     if request.method == "POST":
>
>         form = PostForm(request.POST, instance=post)
>
>         if form.is_valid():
>
>             post = form.save(commit=False)
>
>             post.author = request.user
>
>             post.ProjectName = request.ProjectName
>
>             post.UserName = request.UserName
>
>             post.Company = request.Company
>
>             post.Contact = request.Contact
>
>             post.InitialPassword = request.InitialPassword
>
>             post.UserType = request.UserType
>
>             post.BusinessType = request.BusinessType
>
>             post.published_date = timezone.now()
>
>             post.save()
>
>             return redirect('registration.html', pk=post.pk)
>
>     else:
>
>         form = PostForm(instance=post)
>
>
>     return render(request, 'registration.html', {'form': form})
>
> models.py
>
> from django.db import models
>
> from django.utils import timezone
> from django.apps import AppConfig
>
> import csv
> import os.path
>
> USERTYPE = (
>     ('Cyberport Tenant', 'Cyberport Tenant'),
>     ('SmartSpace User', 'SmartSpace User'),
>     ('Cyberport Incubate', 'Cyberport Incubate'),
>     ('Collaboration Center Subscriber', 'Collaboration Center Subscriber'),
>     ('Cyberport Alumnus', 'Cyberport Alumnus'),
>     ('Technology Partner', 'Technology Partner'),
>     ('HKOSUG', 'HKOSUG'),
>     ('Others', 'Others'),
> )
>
>
> BUSINESSTYPE = (
>     ('Building', 'Building'),
>     ('Data Analysis', 'Data Analysis'),
>     ('Digital Entertainment', 'Digital Entertainment'),
>     ('Education', 'Education'),
>     ('Games', 'Games'),
>     ('Gaming', 'Gaming'),
>     ('ICT', 'ICT'),
>     ('Marketing', 'Marketing'),
>     ('Social Media', 'Social Media'),
>     ('Others', 'Others'),
> )
>
>
> class MyAppConfig(AppConfig):
>     name = 'src.my_app_label'
>
>     def ready(self):
>         post_migrate.connect(do_stuff, sender=self)
>
>
> class Post(models.Model):
>
>     author = models.ForeignKey('auth.User')
>
>     Email = models.CharField(max_length=70)
>     ProjectName = models.CharField(max_length=70)
>     UserName = models.CharField(max_length=70)
>     Company = models.CharField(max_length=70)
>     Contact = models.CharField(max_length=70)
>     InitialPassword = models.CharField(max_length=70)
>     UserType = models.CharField(max_length=30, choices=USERTYPE)
>     BusinessType = models.CharField(max_length=30, choices=BUSINESSTYPE)
>     #UserType = models.ChoiceField(choices=USERTYPE, required=True )
>     #BusinessType = models.ChoiceField(choices=BUSINESSTYPE, required=True )
>
>     #ProjectName = models.TextField()
>
>     created_date = models.DateTimeField(default=timezone.now)
>
>     published_date = models.DateTimeField(blank=True, null=True)
>
>
>
>     def publish(self):
>
>         self.published_date = timezone.now()
>         isexist = os.path.isfile('newusers.csv')
>         with open('/home/martin/Downloads/site1/site1/reg/newusers.csv',
> 'a') as csvfile:
>           fieldnames = ['name','email address','project','initial
> password','userType','contact','businessType','company']
>           writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
>           if isexist == false:
>              writer.writeheader()
>           writer.writerow({'name': UserName, 'email address': Email,
> 'project': ProjectName, 'initial password': InitialPassword,'userType':
> UserType, 'contact': Contact, 'businessType': BusinessType, 'company':
> Company,})
>
>
>         self.save()
>
>
>
>     def __str__(self):
>
>         return self.title
>
> forms.py
>
> from django import forms
>
>
>
> from .models import Post
>
>
> USERTYPE = (
>     ('Cyberport Tenant', 'Cyberport Tenant'),
>     ('SmartSpace User', 'SmartSpace User'),
>     ('Cyberport Incubate', 'Cyberport Incubate'),
>     ('Collaboration Center Subscriber', 'Collaboration Center Subscriber'),
>     ('Cyberport Alumnus', 'Cyberport Alumnus'),
>     ('Technology Partner', 'Technology Partner'),
>     ('HKOSUG', 'HKOSUG'),
>     ('Others', 'Others'),
> )
>
>
> BUSINESSTYPE = (
>     ('Building', 'Building'),
>     ('Data Analysis', 'Data Analysis'),
>     ('Digital Entertainment', 'Digital Entertainment'),
>     ('Education', 'Education'),
>     ('Games', 'Games'),
>     ('Gaming', 'Gaming'),
>     ('ICT', 'ICT'),
>     ('Marketing', 'Marketing'),
>     ('Social Media', 'Social Media'),
>     ('Others', 'Others'),
> )
>
>
>
> class PostForm(forms.ModelForm):
>
>
>
>     #if form.is_valid():
>
>      #post = form.save(commit=False)
>
>      #post.author = request.user
>
>      #post.published_date = timezone.now()
>
>      #post.save()m
>
>     class Meta:
>
>         model = Post
>
>         fields = ('Email', 'ProjectName', 'UserName', 'Company', 'Contact',
> 'InitialPassword','UserType','BusinessType')
> #fields = ('title', 'text',)
>         UserType = forms.ChoiceField(choices=USERTYPE, required=True )
>         BusinessType = forms.ChoiceField(choices=BUSINESSTYPE, required=True
> )
>
>
>
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--

Cordialement, Coues Ludovic
+336 148 743 42

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