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Doing redirect without request

Author:
diverman
Posted:
September 23, 2010
Language:
Python
Version:
Not specified
Tags:
http request redirect reverse httpresponse
Score:
0 (after 0 ratings)

When you neeed to do redirect and request object is not available, you can do it with exception.

Put exception handler somewhere request is available, for example to middleware or ModelAdmin.

Raise exception, where request is not available.

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class Redirect(Exception):
    def __init__(self, url):
        self.url = url

# where request is not:

raise Redirect(reverse('someurl'))

# redirect handler, where request is:

from django.http import HttpResponseRedirect
try:
    return something(request, ...)
except Redirect, r:
    return HttpResponseRedirect(r.url)

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