Set of helpers for Django used at PHAC-ASPC
Project description
Django Helpers
Provides a series of helpers to provide a consistent experience across PHAC-ASPC's Django based projects.
Quick start
pip install django-phac_aspc-helpers
Start by adding phac_aspc.django.helpers
to your INSTALLED_APPS
setting like this:
# settings.py
INSTALLED_APPS = [
...
'phac_aspc.django.helpers',
]
Note: The
phac_aspc.django.helpers
must appear after any application that will be using it. Consider placing it as the last application in the list.
To use all recommended default settings, add this line to your project's settings file:
#settings.py
from phac_aspc.django.settings import *
There are also a number of views available that provide additional functionality for things like renewing sessions. Add them to your project's configuration.
# urls.py
from phac_aspc.django.helpers.urls import urlpatterns as phac_aspc_helper_urls
urlpatterns = [
...
*phac_aspc_helper_urls,
]
Jinja
If you are using jinja you can use django template tags by adding them to the global environment like this:
import phac_aspc.django.helpers.templatetags as phac_aspc def environment(**options): env = Environment(**options) env.globals.update({ "phac_aspc": phac_aspc, }) return envFor more information, refer to the Jinja documentation.
Features
Web Experience Toolkit (WET)
The Web Experience Toolkit is bundled with the helpers, and can easily be added to your templates.
Your base template should be modified to:
- Specify the current language in the lang attribute of the HTML element
- Include the WET CSS files inside the HEAD element
- Include the WET script files at the end of your BODY element
A minimum base template may look like this:
{% load phac_aspc_wet %}
{% load phac_aspc_localization %}
<html lang="{% phac_aspc_localization_lang %}">
<head>
{% phac_aspc_wet_css %}
</head>
<body>
<h1>Minimum base template</h1>
{% block content %}{% endblock %}
{% phac_aspc_wet_scripts %}
</body>
</html>
or if you're using Jinja:
<html lang="{{ phac_aspc.phac_aspc_localization_lang() }}">
<head>
{{ phac_aspc.phac_aspc_wet_css() }}
</head>
<body>
<h1>Minimum base template</h1>
{% block content %}{% endblock %}
{{ phac_aspc.phac_aspc_wet_scripts() }}
</body>
</html>
Bundled releases
Product | Version |
---|---|
Web Experience Toolkit (WET) | v4.0.56.4 |
Canada.ca (GCWeb) | v12.5.0 |
Security Controls
AC-11 Session Timeouts
The default configuration makes the following configuration changes to django:
- Sessions timeout in 20 minutes,
- Sessions cookies are marked as secure,
- Sessions cookies are discarded when the browser is closed,
- Any requests to the server automatically extends the session.
You can override any of these settings by adding them below the settings import line. For example to use 30 minutes sessions:
#settings.py
from phac_aspc.django.settings import *
SESSION_COOKIE_AGE=1800
For more information on sessions, refer to Django's documentation
Additionally the Session Timeout UI control is available to warn users their session is about to expire, and provide mechanisms to automatically renew the session by clicking anywhere on the page, or by clicking on the "extend session" button when less than 3 minutes remain.
To use it, make sure your base template has WET setup as described above, and add the following line somewhere in your body tag.
{% phac_aspc_wet_session_timeout_dialog 'logout' %}
or if you're using Jinja
{{ phac_aspc.phac_aspc_wet_session_timeout_dialog(
dict(request=request),
'logout'
)
}}
Make sure the above is included on every page where a user can be signed in, preferably in the base template for the entire site.
For more information on session timeout, visit the documentation.
Localization
Django will be configured to support English (en-ca) and French (fr-ca). This
can be changed in your projects settings using LANGUAGES
and LANGUAGE_CODE
.
For more information on Django's localization, see their documentation.
lang template tag
In your templates, retrieve the current language code using the lang
tag.
{% load localization %}
<html lang="{% lang %}">
Or in you're using Jinja
<html lang="{{ phac_aspc.localization.lang() }}">
translate decorator
Use this decorator on your models to add translations via
django-modeltranslation
. The example below adds translations for the
title
field.
from django.db import models
from phac_aspc.django.localization.decorators import translate
@translate('title')
class Person(models.Model):
name = models.CharField(max_length=255)
title = models.CharField(max_length=255)
add_admin decorator
Use this decorator on your model to quickly add it to Django's admin interface.
from django.db import models
from phac_aspc.django.admin.decorators import add_admin
@add_admin()
class Person(models.Model):
...
You can also specify inline models as well as additional ModelAdmin
parameters via inlines
and admin_options
respectively.
class SignalLocation(models.Model):
signal = models.ForeignKey("Signal", on_delete=models.CASCADE)
location = models.String()
@add_admin(
admin_options={'filter_horizontal': ('source',)},
inlines=[SignalLocation]
)
class Signal(models.Model):
title = models.CharField(max_length=400)
location = models.ManyToManyField("Location", through='SignalLocation')
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