Posting data from templates to views.py without using forms.

Well , I want to post data from templates to views.py by clicking a button without using forms. Basically the button should not be of type submit because I don't want the page to be refreshed .I want to view the data from database after the query in the same page. 

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Re: How 2 access the Primary model's ID in the Foreign model??

Also song.album_id will work as well, and faster too.

Sent from my iPad

> On Dec 4, 2018, at 3:43 PM, Mike Dewhirst <miked@dewhirst.com.au> wrote:
>
>> On 5/12/2018 7:07 AM, Sourajit Mohanty wrote:
>> I have 2 model classes Album and Songs(where Song is the Foreign key)
>> I want to access the Albums ID in the Songs class..
>> How can I do that??
>>
>
>
> song = Songs.objects.get(name='Happy birthday')
> albumid = song.album.id
>
> Similarly ...
>
> album = song.album
>
> This assumes your model code in Songs names the foreign key 'album'
>
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How to get selection from 2nd dropdown list from template

{% extends 'base.html' %} {% block javascript %} {% endblock %} {% block content %}

Lock Operations Report

River System	--------------- River Systems --------------- {% for river in rivers %} {{river.id}} - {{river.name}} {% endfor %}		Lock	--- Locks And Dams ---
Filter End Of Lockage:

{% endblock %}--- Locks And Dams --- {% for lock in locks %} {{ lock.lock_name }} {% endfor %}

Hello,

I am a newbie to Django.  I am trying to build a page with dependent dropdown lists.  The second list is populated based on the 1st list selection.  I am using one html template for both dropdowns with select ids.   I used the .change jquery script to grab the first dropdown selection with .ajax call to populate the second list via python script to my database.  This works but I don't know how to trigger the select from the 2nd dropdown.  Currently the return from the python script renders a small snippet of html which loads the option list but does not include the select id.  Tried the .change jquery script on the 2nd dropdown select id, but nothing happens.  I suspect that since the html snippet only contains loading the option list that there is no visibility to the select id tag for this dropdown in the original html template.  Also, since there is no id in this snippet I cannot uniquely identify the selection for the jquery function call.

How can I trigger the select on the 2nd dropdown to send the selection back to a python script for processing?

I included my html templates for your reference.  Any help would be appreciated!

Thanks,

Debbie

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Re: How to deploy a django python webapp with windows10?

Great thanks! I see that his tutorials are quite complete and deployment is the number 11 but He's the only one I saw that works on windows.

Bless You sir!

Il giorno lunedì 31 dicembre 2018 21:47:28 UTC+1, Keegen Knapp ha scritto:

Here is a good tutorial for getting going. 

https://www.youtube.com/watch?v=FNQxxpM1yOs&vl=en

Cheers,

Keegen

On Mon, Dec 31, 2018 at 2:43 PM gian castillo <ene...@gmail.com> wrote:

Hi,

How do I deploy online a django python webapp when I am working on a Windows10? I was looking into Digital Ocean but They use ubuntu for their droplets.

I downloaded VirtualBox with Ubuntu in It to setup the droplet. Or is It necessary to install a duel boot with both ubuntu and windows?

I just started so I don't know much about this.

Thanks and kind regards.

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Re: How to deploy a django python webapp with windows10?

Here is a good tutorial for getting going. 

https://www.youtube.com/watch?v=FNQxxpM1yOs&vl=en

Cheers,

Keegen

On Mon, Dec 31, 2018 at 2:43 PM gian castillo <enevry@gmail.com> wrote:

Hi,

How do I deploy online a django python webapp when I am working on a Windows10? I was looking into Digital Ocean but They use ubuntu for their droplets.

I downloaded VirtualBox with Ubuntu in It to setup the droplet. Or is It necessary to install a duel boot with both ubuntu and windows?

I just started so I don't know much about this.

Thanks and kind regards.

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How to deploy a django python webapp with windows10?

Hi,

How do I deploy online a django python webapp when I am working on a Windows10? I was looking into Digital Ocean but They use ubuntu for their droplets.

I downloaded VirtualBox with Ubuntu in It to setup the droplet. Or is It necessary to install a duel boot with both ubuntu and windows?

I just started so I don't know much about this.

Thanks and kind regards.

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How to deploy Django Python Webapp with Windows10?

Hi,

I built a webapp with django python and It's done. Now I want to deploy It online, It's just a portfolio website for my first client, nothing too heavy.

I looked into Digital Ocean but It deploys It with ubuntu and I'm having troubles in turning my laptop into a deul boot(working on WIndows10).

Can I deploy my webapp with just Windows10? I downloaded VirtualBox for Ubuntu 16.04.

I really am new to this so I know very little.

Thank You and kind regards.

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Re: Form no longer validates after upgrading django from 2.0.5 to 2.1. Should I report a bug?

Fair enough.
I think the behavior makes sense the way it is, so I'll leave it.

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Re: Form no longer validates after upgrading django from 2.0.5 to 2.1. Should I report a bug?

I think the behavior changed in https://github.com/django/django/commit/5fa4f40f45fcdbb7e48489ed3039a314b5c961d0.

The old behavior looks like a bug to me (can you explain why it would be expected?) and we don't generally document bug fixes in the release notes.

On Monday, December 31, 2018 at 8:24:49 AM UTC-5, Franc Boekelo wrote:

Hello,

In our project we have a Model with this field:

    has_drivers_license = models.BooleanField(verbose_name=_('Heeft rijbewijs'), default=False, choices=BOOL_CHOICES)

and we have a ModelForm, where this field is used:

    fields = [... 'has_drivers_license', ]

and we use a radio select widget:

    widgets = {
        'has_drivers_license': forms.RadioSelect
    }

Now, in one specific template where we use this form, we don't include this specific field. In the view, the form would validate anyway. After upgrading to django 2.1  (from 2.0.5), this form no longer validates, saying that has_drivers_license is required. 
I have now added "blank = True" to the Model field, after which the form validates again.

Should I report a bug? I didn't see anything in the release notes that would lead to me to expect backward incompatible behavior on this issue.

Thanks! 

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Re: template location for django-registration framework

(the suggested url: I saw it before writing the message. It is outdated. Example: It uses "python manage.py syncdb"

Besides: It instruct adding to INSTALLED_APPS : "    'registration'": This yield errors: First reason: A comma is missing..

I also think, but not sure,that this line is not relevant anymore..)

I now see that I get an error message with runserver:

ModuleNotFoundError: No module named 'django_registration.backends'

That has to do with addition added to url.py under urlpatterns

The line cause the error message is:

    url(r'^accounts/', include('django_registration.backends.activation.urls')),  

  while the following line works fine.

  url(r'^accounts/', include('django.contrib.auth.urls')), 

Note that url.py exists at Python37-32\Lib\site-packages\django_registration\backends\activation

I am new to django still could not making the error to go away. I noticed that there are no __init__.py files at "lib" as well as at "site-packages".

(I could not  believe it is the reason for the error and nor that I should make changes there but I tried adding empty __init__.py anyway...)

So what should I do to resolve the  ModuleNotFoundError: No module named 'django_registration.backends' error?

  

On Sun, Dec 30, 2018 at 7:41 PM Yuval Bachrach <yuval.bachrach@gmail.com> wrote:

First: thank you!

Yes I did search before asking

I was trying to place the templates under my project tree (rather than under "Python37-32\Lib\site-packages\django\contrib\admin\templates\registration" and could not make it work.

Per you advice I also tried putting the template file at the above mentioned directory as a temporary solution but I still get the same error message.

On Sat, Dec 29, 2018 at 5:45 PM Zhe Li <lizhe05@gmail.com> wrote:

Have you searched the internet before posting?

https://stackoverflow.com/questions/6127264/troubleshooting-templatedoesnotexist-at-accounts-login-django-auth-setup

You can either create your own pages or copy the whole templates under the django admin site -- site-packages/django/contrib/admin/templates/registration/

On Saturday, December 29, 2018 at 10:22:11 AM UTC-5, Yuval Bachrach wrote:

I have installed "django-registration:" and now follow "https://django-registration.readthedocs.io/en/3.0/quickstart.html" 

I have set URLs as explained (see below) but failed to tell django where to find the templates.

What do I need to do to have django find the templates?

More details:

http://127.0.0.1:8000/accounts/register/

is resulted with an error: 

TemplateDoesNotExist at /accounts/register/

django_registration/registration_form.html

Request Method:	GET
Request URL:	http://127.0.0.1:8000/accounts/register/
Django Version:	2.1.3
Exception Type:	TemplateDoesNotExist
Exception Value:	django_registration/registration_form.html
Exception Location:	C:\Program Files (x86)\Python37-32\lib\site-packages\django\template\loader.py in select_template, line 47
Python Executable:	C:\Program Files (x86)\Python37-32\python.exe
Python Version:	3.7.1

I have tried to locate registration_form.html at django_reistration/reister/templates at "django_registration\registration\templates\registration" under my project.  

Also tried "django-registration\registration\templates\registration" and several other locations but I keep getting the error message. 

The problem could be the template location or  a missing setting,...

• I added no app to the "INSTALLED_APPS" at setting.py
  
• my template is:
  

TEMPLATES = [

    {

        'BACKEND': 'django.template.backends.django.DjangoTemplates',

        # changed at tutor7

        # 'DIRS': [],

        'DIRS': [os.path.join(BASE_DIR, 'templates')],

        # DIRS is a list of filesystem directories to check when loading Django templates; it’s a search path

        'APP_DIRS': True,

        'OPTIONS': {

            'context_processors': [

                'django.template.context_processors.debug',

                'django.template.context_processors.request',

                'django.contrib.auth.context_processors.auth',

                'django.contrib.messages.context_processors.messages',

            ],

        },

    },

]

from django.conf.urls import include, url    urlpatterns = [      # Other URL patterns ...      url(r'^accounts/', include('django_registration.backends.activation.urls')),      url(r'^accounts/', include('django.contrib.auth.urls')),      # More URL patterns ...  

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Re: STATIC FILES not working for admin site, projects and apps on DJANGO

Django Blog

Home About

Login Register

{% block content %}{% endblock %}

Our Sidebar

You can put any information here you'd like.

• Latest Posts
• Announcements
• Calendars
• etc

{% extends "blog/base.html" %} {% block content %} {% for post in posts %}

{{ post.author }} {{ post.date_posted }}

{{ post.title }}

{{ post.content }}

{% endfor %} {% endblock content %} body {
background: #fafafa;
color: #333333;
margin-top: 5rem;
}

h1, h2, h3, h4, h5, h6 {
color: #444444;
}

ul {
margin: 0;
}

.bg-steel {
background-color: #5f788a;
}

.site-header .navbar-nav .nav-link {
color: #cbd5db;
}

.site-header .navbar-nav .nav-link:hover {
color: #ffffff;
}

.site-header .navbar-nav .nav-link.active {
font-weight: 500;
}

.content-section {
background: #ffffff;
padding: 10px 20px;
border: 1px solid #dddddd;
border-radius: 3px;
margin-bottom: 20px;
}

.article-title {
color: #444444;
}

a.article-title:hover {
color: #428bca;
text-decoration: none;
}

.article-content {
white-space: pre-line;
}

.article-img {
height: 65px;
width: 65px;
margin-right: 16px;
}

.article-metadata {
padding-bottom: 1px;
margin-bottom: 4px;
border-bottom: 1px solid #e3e3e3
}

.article-metadata a:hover {
color: #333;
text-decoration: none;
}

.article-svg {
width: 25px;
height: 25px;
vertical-align: middle;
}

.account-img {
height: 125px;
width: 125px;
margin-right: 20px;
margin-bottom: 16px;
}

.account-heading {
font-size: 2.5rem;
}

How do you explain the admin site too? A missing tag in just one part of the html file shouldn't break the entire site. I'll send you the files so you can review them

On Monday, December 31, 2018 at 4:24:14 AM UTC+1, Joel Mathew wrote:

Your site has more wrong with it than just static css. Your html is appearing as html. You need to unescape them in template or check your tags

On Mon, 31 Dec, 2018, 1:10 AM abel otugeme <aotu...@gmail.com wrote:

I have done all that i used the docs first and it did not work. Then i tired this video https://www.youtube.com/watch?v=YH-ipgxlJzs

On Sun, Dec 30, 2018 at 5:09 PM Lunga Baliwe <lung...@gmail.com> wrote:

Please have a look at this link https://docs.djangoproject.com/en/2.1/howto/deployment/wsgi/modwsgi/ on how to setup static files.

You may also want to run python manage.py collectstatic 

On Sun, Dec 30, 2018 at 4:31 AM abel otugeme <aotu...@gmail.com> wrote:

This is how a site looks when i open it up in my browser.... No CSS! i have done the necessary settings for Django to find the static files

On Sat, Dec 29, 2018 at 5:14 PM Kasper Laudrup <lau...@stacktrace.dk> wrote:

Hi Abel,

On 29/12/2018 08.07, abel otugeme wrote:
> I really need help i have combed through stackover flow and this group
> but the solutions provided don't work for me.  i use a 32bit windows 7
> OS and the latest version of django
>

It would probably be easier for someone to help you if you tried to
describe what your actual problem is.

Kind regards,

Kasper Laudrup

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Re: Overriding settings in Django when used by the models

Sounds like what you want is something in https://djangopackages.org/grids/g/live-setting/

This will let you change settings via an admin interface

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Form no longer validates after upgrading django from 2.0.5 to 2.1. Should I report a bug?

Hello,

In our project we have a Model with this field:

    has_drivers_license = models.BooleanField(verbose_name=_('Heeft rijbewijs'), default=False, choices=BOOL_CHOICES)

and we have a ModelForm, where this field is used:

    fields = [... 'has_drivers_license', ]

and we use a radio select widget:

    widgets = {
        'has_drivers_license': forms.RadioSelect
    }

Now, in one specific template where we use this form, we don't include this specific field. In the view, the form would validate anyway. After upgrading to django 2.1  (from 2.0.5), this form no longer validates, saying that has_drivers_license is required. 
I have now added "blank = True" to the Model field, after which the form validates again.

Should I report a bug? I didn't see anything in the release notes that would lead to me to expect backward incompatible behavior on this issue.

Thanks! 

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Overriding settings in Django when used by the models

https://stackoverflow.com/questions/53953444/overriding-settings-in-django-when-used-by-the-models

We are using Django for Speedy Net and Speedy Match (currently Django 1.11.17, we can't upgrade to a newer version of Django because of one of our requirements, django-modeltranslation). Some of our settings are used by the models. For example:

class USER_SETTINGS(object):      MIN_USERNAME_LENGTH = 6      MAX_USERNAME_LENGTH = 40        MIN_SLUG_LENGTH = 6      MAX_SLUG_LENGTH = 200        # Users can register from age 0 to 180, but can't be kept on the site after age 250.      MIN_AGE_ALLOWED_IN_MODEL = 0  # In years.      MAX_AGE_ALLOWED_IN_MODEL = 250  # In years.        MIN_AGE_ALLOWED_IN_FORMS = 0  # In years.      MAX_AGE_ALLOWED_IN_FORMS = 180  # In years.        MIN_PASSWORD_LENGTH = 8      MAX_PASSWORD_LENGTH = 120        MAX_NUMBER_OF_FRIENDS_ALLOWED = 800        PASSWORD_VALIDATORS = [          {              'NAME': 'speedy.core.accounts.validators.PasswordMinLengthValidator',          },          {              'NAME': 'speedy.core.accounts.validators.PasswordMaxLengthValidator',          },      ]

(which is defined in https://github.com/speedy-net/speedy-net/blob/uri_merge_with_master_2018-12-26_a/speedy/net/settings/global_settings.py). And then in the models I use:

from django.conf import settings as django_settings    class User(ValidateUserPasswordMixin, PermissionsMixin, Entity, AbstractBaseUser):      settings = django_settings.USER_SETTINGS

(and then use attributes of settings, such as settings.MIN_SLUG_LENGTH, in the class).

The problem is, when I try to override such settings in tests (you can see my question & answer on Can I define classes in Django settings, and how can I override such settings in tests?), User.settings remains the same and is not overridden by the settings I tried to override. This is a problem since in the model I passed settings.MIN_SLUG_LENGTH for example to validators, which are also passed other values by other models. Is it possible to define the models and settings in such a way which the correct settings will be used both in production and in tests, including when I want to override them?

I'm aware of this quote from https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings:

Warning

The settings file contains some settings that are only consulted during initialization of Django internals. If you change them with override_settings, the setting is changed if you access it via the django.conf.settings module, however, Django's internals access it differently. Effectively, using override_settings() or modify_settings() with these settings is probably not going to do what you expect it to do.

We do not recommend altering the DATABASES setting. Altering the CACHES setting is possible, but a bit tricky if you are using internals that make using of caching, like django.contrib.sessions. For example, you will have to reinitialize the session backend in a test that uses cached sessions and overrides CACHES.

Finally, avoid aliasing your settings as module-level constants as override_settings() won't work on such values since they are only evaluated the first time the module is imported.

Which I understand are relevant in this case, but how do I define the settings in such a way that I can override them?

Thanks,

אורי (Uri)

uri@speedy.net

אורי

uri@speedy.net

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