Enhance the browsing experience of Django sites.
Developed at en.ig.ma software shop.
PJAX utilizes pushState and Ajax to load HTML from the server into the current page without a full reload. It's Ajax with real permalinks, page titles, and a working back button that fully degrades.
Check out the demo that illustrates this concept in practice and take a look at docs of jquery-pjax to get more information.
The django-easy-pjax app is a helper that makes it easy to integrate
jquery-pjax with your Django 1.5+ site.
First include django-easy-pjax==1.3 in your requirements.txt file,
add easy_pjax to your INSTALLED APPS and make sure you have
django.template.context_processors.request added to template
context_processors.
If you are using Django 1.9+, you will also need to add the
easy_pjax.templatetags.pjax_tags to template builtins in your
Django settings:
TEMPLATES=[
{
"BACKEND": "django.template.backends.django.DjangoTemplates",
"DIRS": [...],
"APP_DIRS": True,
"OPTIONS": {
"builtins": [
"easy_pjax.templatetags.pjax_tags"
],
"context_processors": [
"django.template.context_processors.request",
"django.template.context_processors.static",
...
]
}
}
]Then simply add |pjax:request filter inside your site template extends tag:
{% extends "theme_base.html"|pjax:request %}
The pjax filter will decide which layout template should be extended based
on HTTP headers. In the example above it will return theme_base.html
for regular requests and pjax_base.html for PJAX requests.
A generic pjax_base.html template is provided by this application, but you
may need to copy it to your templates root directory and adjust it to match
your project's template blocks.
No other modification to views, code or url configuration is required, so integration with other applications shouldn't be a problem.
The template filter also takes a comma-separated names of base and pjax templates as the first parameter:
{% extends "base.html,pjax_base2.html"|pjax:request %}
This is useful if you need to specify another template set.
See the demo.py file and tests directory for working examples.
jquery-pjax uses cache-busting techniques and appends _pjax=true
to query string params.
If for some reason you need to remove that param from query strings
you can use either the easy_pjax.middleware.UnpjaxMiddleware to remove it
from all requests before they are passed to Django views, or the unpjax
filter to modify urls emitted in templates:
<a href="{{ request.get_full_path|unpjax }}">
The full documentation is at django-easy-pjax.rtfd.org.
A live demo is at easy-pjax.herokuapp.com.
You can run it locally after installing dependencies by running python demo.py
script from the cloned repository.
Before Django 1.9 the easy-pjax library used the django.template.base.add_to_builtins
private API to automatically register itself in the template built-ins after it was added
to the INSTALLED_APPS list.
This workaround was due to the fact that the {% load %} tag cannot be placed before
the {% extends %} tag and the pjax template filter could not be loaded explicitly.
Starting from Django 1.9 easy-pjax does not have to rely on such workarounds because
Django now provides a clean way to add filters and tags to template
built-ins.
This is now the recommended and the only way of installing easy-pjax template tags, also because the
add_to_builtins API was removed.
This is a backward incompatible change, but one that makes the integration more explicit and following the Zen of Python.
Example of configuration settings to be used starting from Django 1.9:
INSTALLED_APPS = [
"easy_pjax"
]
MIDDLEWARE_CLASSES = [
"easy_pjax.middleware.UnpjaxMiddleware"
]
TEMPLATES = [
{
"BACKEND": "django.template.backends.django.DjangoTemplates",
"DIRS": [],
"APP_DIRS": True,
"OPTIONS": {
"builtins": [
"easy_pjax.templatetags.pjax_tags"
],
"context_processors": [
"django.template.context_processors.request",
]
}
}
]No changes are required for Django 1.8 or older.
django-easy-pjax is released under the BSD license.
- GitHub repository - https://github.com/nigma/django-easy-pjax
- PyPi Package site - http://pypi.python.org/pypi/django-easy-pjax
Please note that the jquery-pjax JavaScript library in not bundled with this app and you still need to add proper handling to your browser-side code.
This app and many other help us build better software and focus on delivering quality projects faster. We would love to help you with your next project so get in touch by dropping an email at [email protected].