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Documented how to handle '%' characters in redirect_to() URL strings (even in

the absence of keyword arguments). Fixed #9773.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@9626 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2008-12-09 07:33:08 +00:00
parent 80da07e4b9
commit b4364e099e

View File

@ -120,7 +120,10 @@ variable ``{{ params.id }}`` that is set to ``15``.
Redirects to a given URL.
The given URL may contain dictionary-style string formatting, which will be
interpolated against the parameters captured in the URL.
interpolated against the parameters captured in the URL. Because keyword
interpolation is *always* done (even if no arguments are passed in), any ``"%"``
characters in the URL must be written as ``"%%"`` so that Python will convert
them to a single percent sign on output.
If the given URL is ``None``, Django will return an ``HttpResponseGone`` (410).
@ -161,6 +164,14 @@ This example returns a 410 HTTP error for requests to ``/bar/``::
('^bar/$', 'redirect_to', {'url': None}),
)
This example shows how ``"%"`` characters must be written in the URL in order
to avoid confusion with Python's string formatting markers. If the redirect
string is written as ``"%7Ejacob/"`` (with only a single ``%``), an exception would be raised::
urlpatterns = patterns('django.views.generic.simple',
('^bar/$', 'redirect_to', {'url': '%%7Ejacob.'}),
)
Date-based generic views
========================