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All snippets written in Python

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SiteRedirectMiddleware

Redirects to the default site (from Django's Sites contrib app), specified by the `SITE_ID` setting. That's for example useful if you configured your webserver to handle multiple domains with the same virtual host and want to make sure every requests is then redirected to the right domain.

  • middleware
  • sites
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debug info middleware

Hi, I have developed a middleware that enables to view debugging information in production for a single user filtered by useragent or ip. The debug info is appended to the html code as a remark and can be viewed with a view source operation from the browser. Take a look at http://code.google.com/p/debugview/ Enjoy

  • middleware
  • django
  • debug
  • information
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Serve static media and indexes from app directories [Python2.5, Development only]

This view serves static media and directory indexes for a django application. It should only be used in development, media should be provided directly by a web server in production. This view assumes a django application stores its media in app/media (which is very common) and the file is referred to in the templates by the last part of a django app path. e.g. As in django.contrib.admin -> 'admin'. First we check if the media is a request in an application directory; if so we attempt to serve it from there. Then we attempt to provide the document from the document_root parameter (if provided). To use this view you should add something like the following to urls.py: ` if settings.DEBUG: urlpatterns += (r'^media/(?P<path>.*)$', 'site.media.serve_apps', {'document_root' : settings.MEDIA_ROOT}) ` You can then have the admin media files served by setting ADMIN_MEDIA_PREFIX = '/media/admin/'

  • media
  • static-media
  • directory-index
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DualPasswordForm

DualPasswordForm is a simple form that contains two password fields and validation to ensure that the two passwords match. A minimum password length of 7 characters is imposed, but feel free to change that.

  • form
  • password
  • match
  • dual
  • dualpasswordform
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Smarter USPhoneNumberField

The original USPhoneNumberField only validates xxx-xxx-xxxx values. This field validates... > (xxx) xxx xxxx > xxx-xxx-xxxx > (xxx)-xxx-xxxx > many others. **Explanation of the regular expression:** 1. Accepts either (xxx) or xxx at the start of the value. 2. Allows for any amount of dashes and spaces (including none) before the next set of digits. 3. Accepts 3 digits 4. Allows for any amount of dashes and spaces (including none) before the next set of digits. 5. Accepts 4 digits, finishing the value. This field saves in the same format that the original USPhoneNumberField does (xxx-xxx-xxxx). Enjoy!

  • forms
  • validation
  • field
  • phone
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RefreshSessionMiddleware

This middleware refreshes the session before it expires to avoid dropping the session of an active (but read-only) user. By default it refreshes the session after half the expiry time has elapsed. (This middleware does nothing for browser-length sessions.)

  • sessions
  • refresh
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very simplistic url cache flushing

This is an (overly simple) example of how to manually delete something from the cache. Usage is simply `delete_url_cache('/some_view/')` This most likely doesn't work when using Vary headers but does seem to work fine for the most general case of simply needing to programmatically flush the cache after certain actions.

  • cache
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Author: jpt
  • 1
  • 3

Replace Paragraph Tags for Flash

This template tag does two things needed to display content from something like a TextField wrapped with TinyMCE in Flash's htmlText component: 1. Replace `<p>` tags with `<br />` 2. Strip all occurances of `\n`

  • template
  • tag
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[middleware] Rewrite anchors to point into Coral CDN

This simple middleware rewrites the 'href' attribute of any `<a>` tags in your response content. The URL href is modified by appending the string '.nyud.net', which causes the Coral Content Distribution Network to retrieve a copy of the page and cache it before returning it to the user agent. This might be useful if you're writing another Slashdot and you want to avoid turning the servers you link to into smoking craters. You [should be able](http://www.djangosnippets.org/snippets/910/) to apply this functionality to a single view as well (though I haven't tried this yet).

  • middleware
  • coral
  • cdn
  • anchor-rewrite
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Load a local settings file for dev/test environments

Add the snippet to your settings.py. If you have a settings_local.py it will load that one. Can be used in development environments where you might have different settings for your dev sandbox. You should exclude settings_local.py from SVN. By Rudy and Ed Menendez

  • settings
  • environment
  • production
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FilteredSelect

Displays as an ordinary selectbox with an additional text-input for filtering the options. An adaption of the example at [1] for use with Django. The code assumes the java script from [2] is downloaded into your media folder. Remember to output your form's media, for instance like: "{{form.media|safe}}", somewhere above your form. **License:** [2] by Mr Patrick Fitzgerald is licensed under GPL and the python code written by myself is GPL as well. **References:** 1. http://www.barelyfitz.com/projects/filterlist/index.php/ 2. http://www.barelyfitz.com/projects/filterlist/filterlist.js

  • javascript
  • widget
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Using Google Apps Premium infrastructure for user management

To create a lower entry barrier to logging into our intranet I created a very simple backend using Google Apps Premium provisioning API (http://code.google.com/apis/apps/gdata_provisioning_api_v2.0_reference.html). This enables controlling access for your users based on their status in your Google Apps instance. *(NOTE! Since the provisioning API is only available in the Premium version of Google Apps you first need to upgrade if you haven't done so already)* Requirements: You need Google Data libraries for python. They can be downloaded from http://code.google.com/p/gdata-python-client/downloads/list Google Apps Premium -- User used by the script must have admin rights

  • authentication
  • login
  • auth
  • google
  • google-apps
  • auth-backend
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Gzip decorator

Rather than using the full GZipMiddleware, you may want to just compress some views. This decorator lets you do that. @gzip_compress def your_view(request, ...): ....

  • middleware
  • decorator
  • gzip
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