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