Django comes with an optional redirects application. It lets you storeredirects in a database and handles the redirecting for you. It uses the HTTPresponse status code
301MovedPermanently
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Installation¶
To install the redirects app, follow these steps:
Define redirects. Redirects synonyms, redirects pronunciation, redirects translation, English dictionary definition of redirects. Redirected, redi. As part of changing a SharePoint site address, moving a site to a different geo location, or swapping a site, we automatically create redirects to ensure that links pointing to the prior URL continue to work. These redirects are sites that use a special site template at the prior site URL. A redirect sends users (and search engines) to a different URL from the one they originally requested. 301, 302, and meta refresh redirects are the most common. There are several ways to set up redirection, read more to see which is right for you. The HTTP redirect code, redirect for short, is a way to forward visitors and search engines from one URL to another. Redirects are used when moving content to a new URL, when deleting pages or when changing domain names or merging websites.
- Ensure that the
django.contrib.sites
frameworkis installed. - Add
'django.contrib.redirects'
to yourINSTALLED_APPS
setting. - Add
'django.contrib.redirects.middleware.RedirectFallbackMiddleware'
to yourMIDDLEWARE
setting. - Run the command
manage.pymigrate
.
How it works¶
manage.pymigrate
creates a django_redirect
table in your database. Thisis a lookup table with site_id
, old_path
and new_path
fields.The
RedirectFallbackMiddleware
does all of the work. Each time any Django application raises a 404error, this middleware checks the redirects database for the requestedURL as a last resort. Specifically, it checks for a redirect with thegiven old_path
with a site ID that corresponds to theSITE_ID
setting.- If it finds a match, and
new_path
is not empty, it redirects tonew_path
using a 301 (“Moved Permanently”) redirect. You can subclassRedirectFallbackMiddleware
and setresponse_redirect_class
todjango.http.HttpResponseRedirect
to use a302MovedTemporarily
redirect instead. - If it finds a match, and
new_path
is empty, it sends a 410 (“Gone”)HTTP header and empty (content-less) response. - If it doesn’t find a match, the request continues to be processed asusual.
Custom Redirects
The middleware only gets activated for 404s – not for 500s or responses of anyother status code.
Note that the order of
MIDDLEWARE
matters. Generally, you can putRedirectFallbackMiddleware
at theend of the list, because it’s a last resort.For more on middleware, read the middleware docs.
Redirectsite#0
How to add, change and delete redirects¶
Via the admin interface¶
If you’ve activated the automatic Django admin interface, you should see a“Redirects” section on the admin index page. Edit redirects as you edit anyother object in the system.
Via the Python API¶
models.
Redirect
¶Redirects are represented by a standard Django model,which lives in django/contrib/redirects/models.py. You can accessredirect objects via the Django database API.For example:
Middleware¶
middleware.
RedirectFallbackMiddleware
¶You can change the
HttpResponse
classes usedby the middleware by creating a subclass ofRedirectFallbackMiddleware
and overriding response_gone_class
and/or response_redirect_class
.response_gone_class
¶The
HttpResponse
class used when aRedirect
is not found for therequested path or has a blank new_path
value.Defaults to
HttpResponseGone
.Redirectstandardoutput
response_redirect_class
¶The
HttpResponse
class that handles the redirect.Redirects Wpengine
Defaults to
HttpResponsePermanentRedirect
.