django-flatblocks acts like django.contrib.flatpages but for parts of a page; like an editable help box you want show alongside the main content.
Project description
django-flatblocks is a simple application for handling small text-blocks on websites. Think about it like django.contrib.flatpages just not for a whole page but for only parts of it, like an information text describing what you can do on a site.
Installation
Probably the easiest way to install this application is to first run pip install django-flatblocks. Once this step is complete add "flatblocks" to your INSTALLED_APPS setting in your settings.py file and run python manage.py syncdb to update your database.
Upgrading
django-flatblocks uses South for handling data and schema migrations starting with version 0.6.0, so the South-typical update path applies here.
If you’re upgrading from a 0.5.x version or earlier you will have to migrate in 3 steps:
Install south.
Migrate your database to the first version of flatblocks using South:
./manage.py migrate flatblocks 0001 --fakeThen migrate your database to the latest version of flatblocks’ database and data structure:
./manage.py migrate flatblocks
Usage
Once you’ve created some instances of the flatblocks.models.FlatBlock model, you can load it it using the flatblocks templatetag-library:
{% load flatblocks %}
<html>
<head>
<!-- ... -->
</head>
<body>
<div id="page">
<div id="main">
<!-- ... -->
</div>
<div id="sidebar">
{% flatblock "page.info" %}
</div>
</div>
</body>
</html>This way you can display a text block with the name ‘page.info’. If you have the name of a block in a template variable, leave out the quotes.
Additionally you can also specify which template should be used to render the flatblock:
{% flatblock "page.info" using="my_template.html" %}
<!-- -->
{% flatblock "page.about" using="my_template.html" %}If you want to simply output the value of the content field of a flatblock without using any template, you can use either options:
{% flatblock "page.info" using=False %}or
{% plain_flatblock "page.info" %}As with the slug of the flatblock also with the template name you have the choice of using the literal name of the template or pass it to the templatetag as a variable.
The content of a flatblock (as well as its header) can also be evaluated as a full-fledged Django template:
{% flatblock "page.info" evaluated=True %}This also works with the other parameters like the custom template and with the plain_flatblock templatetag:
{% flatblock "page.info" evaluated=True using="my_template.html" %}
<!-- -->
{% plain_flatblock "page.about" evaluated=True %}edit-view
With flatblocks.views.edit django-flatblocks offers a simple view to edit your flatblocks from your frontend. To use it simply include it in your URLconf and create a flatblocks/edit.html template.
By default the view doesn’t do any permission checking, so you should decorate it accordingly in your URLconf:
from flatblocks.views import edit
from django.contrib.auth.decorators import login_required
# ...
urlpatterns = pattern('',
url(r'^flatblocks/(?P<pk>\d+)/edit/$', login_required(edit),
name='flatblocks-edit'),
# ...
)The template can operate on following variables:
form
flatblock
origin (the URL of the previous page)
Additionally the view offers some basic customization hooks via these keyword arguments:
- template_name
Name of the template to be used for rendering this view. By default flatblocks/edit.html is used.
- success_url
After successfully editing a flatblock the view will redirect the user to the URL specified here. By default the view will try to determine the last visited page before entering the edit-view (which is normally a page where the flatblock is used) and redirect the user back there.
- modelform_class
If you want to use a customized ModelForm class for flatblocks you can specify it here.
- permission_check
This argument lets you specify a callback function to do some flatblock-specific permission checking. Such a function could look like this:
def my_permcheck(request, flatblock): if request.user.is_staff or flatblock.slug == 'free_for_all': return True return HttpResponseRedirect('/')With this permission callback set, a user that is not a staff-user is not allowed to edit this view unless it’s the “free_for_all” block. If these criteria are not met, the user is redirected to the root URL of the page.
The contract here is pretty simple. The permission callback should return False, if the user should receive a 403 message when trying to edit this link. If the function returns an instance of HttpResponse the view will proceed from the assumption that your view already did everything there is to do and return that response-object. Any other return value tells the view that the permissions are OK for the current user and that it should proceed.
History
Since this application targets use-cases that are basically applicable to most web-projects out there, there are tons of solutions similar to this one. In fact, this app is a fork originally from django-chunks developed by Clint Ecker.
In November 2008 Kevin Fricovsky created the original fork in order to add an additional “active”-flag to each chunk. That project was later on forked by Peter Baumgardner who removed that flag again and added a “header”-field in order to directly associate and optional title with each text block.
This fork aims now to add more features like variable chunks and also integrate some of the features developed by H. Waara and S. Cranford in the django-better-chunks fork (django.contrib.site- and i18n-support).
Releases
- 1.0.0:
Add support for Django 2.2, 3.0, and 3.1.
Add support for Python 3.6, 3.7, 3.8 and 3.9.
Remove support for Django 1.7, 1.8, 1.9, 1.10, and 1.11.
Remove support for Python 3.4 and 3.5.
Move CI to GitHub Actions: https://github.com/jazzband/django-flatblocks/actions
- 0.9.4:
Drop Python 3.3 support.
Add support for Django 1.11.
- 0.9.3:
Fixed Django 1.10 compatibility
- 0.9.2:
Fixed reading of README in setup.py
Dropped Django 1.4 testing
Tidied code with flake8 and isort
Fix support for Django 1.7+
Fix packaging to exclude tests module
- 0.9.1:
Dropped testing of Django 1.5 and 1.6
Added migrations [Thanks Sergey Fedoseev]
- 0.9:
NOTE: Major tag syntax changes!
Modernised to use simple_tag and standard kwarg syntax.
Removed caching - use {% cache %} tag instead
- 0.8:
Python 3 & Django 1.6 support
- 0.7:
Support for evaluated blocks offering access to context variables
- 0.6:
South support
Installation and upgrade instructions
Note: This is primarily a transitional release to get South in here and open this project up for some database changes in the future.
- 0.5.1
Removed rendering of the content attribute from the admin list by Michael Fladischer
PyBabel compatibility by Michael Fladischer
Fixed caching issue with memcache backend
- 0.5
Hungarian translation by Török Gábor
Method added to demo edit form (#5) by Bill Evans
- 0.4
FlatBlock autocreation by Mikhail Korobov (can be enabled/disabled with FLATBLOCKS_AUTOCREATE_STATIC_BLOCKS setting)
Various fixes by Mikhail Korobov
Fix by Henrik Heimbuerger for the manifest
- 0.3.5
Russian translation by Mikhail Korobov
- 0.3.4
Norwegian translation by Eivind Uggedal
- 0.3.3
FlatBlock.save should also accept optional kwargs.
- 0.3.2
All settings are now in the flatblocks.settings module
- 0.3.1
Fixes a bug with FlatBlock.save() failing to reset the cache
Buildout integration for easier testing
Example urls.py and flatblocks/edit.html-template
- 0.3
createflatblock and deleteflatblock commands
On saving a flatblock its cache will be cleared
As last argument of the template tag you can now also specify a template name.
- 0.2
Translatable
flatblocks.views.edit view for editing flatblocks
- 0.1
Initial release
Release history Release notifications | RSS feed
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