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

[meInvent bbird]

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 )

    

[meInvent bbird]

would like to press save button then call post_detail and append to csv, 

it return error

<button type="submit" class="save btn btn-default" onClick="window.location.href='{% url 'reg/{{post.pk}}'  %}'">Save</button>

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

    ('Technology Partner', 'Technology Partner'),

    ('Others', 'Others'),

)

BUSINESSTYPE = (  

    ('Building', 'Building'),

    ('Data Analysis', 'Data Analysis'),

forms.py

    ('Technology Partner', 'Technology Partner'),

    ('Others', 'Others'),

)

BUSINESSTYPE = (  

    ('Building', 'Building'),

    ('Data Analysis', 'Data Analysis'),

)

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 )

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" >Save</button>

    </form>

{% endblock %}

    

[ludovic coues]

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.

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--

Cordialement, Coues Ludovic
+336 148 743 42

[meInvent bbird]

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: []

[meInvent bbird]

https://drive.google.com/file/d/0Bxs_ao6uuBDUQm5jOEdCOFowa0U/view?usp=sharing

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

[ludovic coues]

Have you done the django tutorial ? It help a lot when starting with django.

Your problem come from site1/urls.py . `include(admin.site.urls)` work
because you import admin. `include(site1.reg.urls)` cannot work
because site1 is not defined.

Also, the djangogirls tutorial [1] have a great chapter about form.

[1] http://tutorial.djangogirls.org/en/django_forms/

> https://groups.google.com/d/msgid/django-users/c1208d34-7a9c-41cc-b42b-e2021b6c168f%40googlegroups.com.

[meInvent bbird]

this works, because i set ROOT_URLCONF

since it work, it can go to registration.html by reading urls.py in directory reg

INSTALLED_APPS = (

    'django.contrib.admin',

    'django.contrib.auth',

    'django.contrib.contenttypes',

    'django.contrib.sessions',

    'django.contrib.messages',

    'django.contrib.staticfiles',

    'django.contrib.sites',

    'site1',

)

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',

)

ROOT_URLCONF = 'site1.reg.urls'

[meInvent bbird]

i succeed to make it trigger something when press button after read tutorial again

however got error,

WSGIRequest' object has no attribute 'Email'

def post_new(request):

    #post = get_object_or_404(Post)

    #form = PostForm()

    #return render_to_response(request, 'registration.html', {'pk': 12})

    #return render(request, 'registration.html', {'form': form})

    if request.method == "POST":

        form = PostForm(request.POST)

        if form.is_valid():

            post = form.save(commit=False)

            #post.author = request.user

            post.Email = request.Email

            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.publish()

            #self.published_date = timezone.now()

            return redirect('post_detail', pk=post.pk)

            #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 == 0:

              #writer.writeheader()

             #writer.writerow({'name': request.user, 'email address': request.Email, 'project': request.ProjectName, 'initial password': request.InitialPassword,'userType': request.UserType, 'contact': request.Contact, 'businessType': request.BusinessType, 'company': request.Company,})

            return redirect('hello.html', pk=post.pk)

    else:

        form = PostForm()

    return render(request, 'registration.html', {'form': form})

[meInvent bbird]

so far, the link do not have querystring, the error is WSGIRequest' object has no attribute 'Email'

[meInvent bbird]

i succeed to save to csv, 

i use post instead of request

but it is quite odd, it do not have request in query string in link

writer.writerow({'name': post.UserName, 'email address': post.Email, 'project': post.ProjectName, 'initial password': post.InitialPassword,'userType': post.UserType, 'contact': post.Contact, 'businessType': post.BusinessType, 'company': post.Company,})

[ludovic coues]

You have a query string when you do GET request.
The form is sending a POST request, with the data in the body of the request.

> https://groups.google.com/d/msgid/django-users/8d54d3e3-88cc-4847-ac8b-38edfcfa4bfe%40googlegroups.com.

[Florian Schweikert]

On 24/05/16 08:46, meInvent bbird wrote:
> <button type="submit" class="save btn btn-default"
> onClick="window.location.href='{% url 'reg/{{post.pk}}' %}'">Save</button>

You cannot access a variable like this in a template.
There is also no point in trying to access an url using url providing an
url. Your url pattern is called 'post_detail'.

Try something like:

{% url 'post_detail' pk=post.pk %}

More information is available in the docs:
https://docs.djangoproject.com/en/1.9/ref/templates/builtins/#url

--
Florian