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- spam
- api
- web-services
- konkr
Snippet List
BooleanField that treats '0' as unchecked
Helpful for maintaining state of a BooleanField in the querystring, eg. checkbox=0 / checkbox=1
- BooleanField
Workaround Firefox bug 553888
Firefox transparently follows redirects when AJAX calls return 3xx code. And it drops additional headers, X-Requested-With among them. Server treats redirected HTTP requested as non-AJAX. JS libraries has nothing to do here. At 16.03.11 bug https://bugzilla.mozilla.org/show_bug.cgi?id=553888 has status "NEW" being reported at 21.03.10. Workaround is following: - in process_response(): if request.is_ajax() and response has status_code 3xx then put response["Location"] to session, otherwise unset session stored value (if it is there). - in process_request(): if not request.is_ajax() and request.path equals to stored session value then monkeypatch request.is_ajax() return True (before any views come into play). This results in smooth transparent redirects in Firefox, all treated as AJAX calls.
- ajax
- redirect
- headers
Login + logout script from a nub
A simple way to log in and log out users. It's most likely nowhere near as good as the built-in login forms. This was more of a learning experience for me. Nevertheless, the script works. Usage: def some_view(request): check_login(request) Some explanation can be found here: http://bit.ly/ete0
- forms
- login
The model field subclass returns string generated from the list of choices.
if you have multiple choice field in front and you need just a string contains chosen values this is it! Unicode encoding row related with another snippet - "Switched value typed choice field", In typical cases, you do not need to call additional methods.
- model_field
Decorate every view in a url tree
Add login_required (or any other combination of decorators) to any view references by the urls created by patterns(...). My personal little itch as an example... urlpatterns += required( login_required, patterns('', (r'^api/', include(api.urls)), ) )
- urls
- login_required
Choice Submit Widget
This widget renders choices as submit buttons. This may be a better choice than radio buttons + submit sometimes
- choices
- widget
- submit
EsayExtJS4: A simple manner to use Ext JS 4 with your Django project
If you are interested to use Ext JS 4 with Django take a look of the project that I created: https://github.com/TofPlay/django-easyextjs4
- extjs4
Swithched Value Typed Choice Field
As it took me a save option name instead of its value. This field are solves this rare problem.
- forms
- form_field
staff_or_404 Decorator
Sometimes I don't want to reveal a staff-only view so I created this decorator, using ``django.contrib.admin.views.decorators.staff_member_required`` as my boilerplate. Non staff members are kicked to the 404 curb. Suggestion: Create a file, ``decorators.py`` in your project (or single app) and import like so: ``from myproject.app_name.decorators import staff_or_404``.
- user
- auth
- decorators
- staff
Filter to resize a ImageField on demand
A filter to resize a ImageField on demand, a use case could be: ` <img src="object.get_image_url" alt="original image"> <img src="object.image|thumbnail" alt="image resized to default 200x200 format"> <img src="object.image|thumbnail:"200x300" alt="image resized to 200x300"> ` The filter is applied to a image field (not the image url get from *get_image_url* method of the model), supposing the image filename is "image.jpg", it checks if there is a file called "image_200x200.jpg" or "image_200x300.jpg" on the second case, if the file isn't there, it resizes the original image, finally it returns the proper url to the resized image. There is a **TODO**: the filter isn't checking if the original filename is newer than the cached resized image, it should check it and resize the image again in this case.
- filter
- models
- thumbnail
- resize
- imagefield
Lazy Man's Django test case
Decrease the verbosity of writing view tests. Also available here: https://gist.github.com/1310549.
- testing
Django template tag to hash/map a value to a unique web color.
Just a quick and dirty solution I needed to uniquely color code entries in a selection form list. It uses the hashlib to generate it's coloring.
- template
- django
- coloring
Support for permissions for anonymous users in django ModelBackend
Model backend that enables permissions for AnonymusUsers. I wanted it to be as simple as possible so anonymous users just forward their permission checks to some fixed user model. This instance can be edited via django admin, assigned to groups, etc. To control which user will represent anonymous user you use ANONYMOUS_USER_NAME setting in settings file. To provide some sensible level of security i enforce following for user that represents anonymous user: * This user must have password equal to UNUSABLE_PASSWORD * This user may not log in * You cant cange password for this user via admin. You need to enable this backend by setting AUTHENTICATION_BACKENDS. Please note that you should not place this backend alongside django ModelBackend. This backend inherits from it.
- user
- auth
- permissions
- anonymous
Get the Django decorator/middleware cache key for given URL
This mimicks the keys used internally by the @cache_page decorators and site-wide CacheMiddleware. Now you can poke them, prod them, delete them, do what you like with them (eg, delete after you update some content and you want a specific URL refreshed).
- cache
- key