#3777: Persistent change_list filtering in admin
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Reporter: matt <matt.ba...@dotwell.org> | Owner: nobody
Status: closed | Milestone:
Component: django.contrib.admin | Version: SVN
Resolution: worksforme | Keywords: filter
session
Stage: Unreviewed | Has_patch: 1
Needs_docs: 1 | Needs_tests: 0
Needs_better_patch: 0 |
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Comment (by etiennepoul...@gmail):
Here is how I did it (based on the previous post by tony.perkins)
This does not require any modification to the templates, just the
middleware
(tested With django 1.02)
{{{
from django import http
class FilterPersistMiddleware(object):
def process_request(self, request):
path = request.path
if path.find('/admin/') != -1: #Dont waste time if we are not in
admin
query_string = request.META['QUERY_STRING']
if not request.META.has_key('HTTP_REFERER'):
return None
session = request.session
if session.get('redirected', False):#so that we dont loop once
redirected
del session['redirected']
return None
referrer = request.META['HTTP_REFERER'].split('?')[0]
referrer = referrer[referrer.find('/admin'):len(referrer)]
key = 'key'+path.replace('/','_')
if path == referrer: #We are in same page as before
if query_string == '': #Filter is empty, delete it
if session.get(key,False):
del session[key]
return None
request.session[key] = query_string
else: #We are are coming from another page, restore filter if
available
if session.get(key, False):
query_string=request.session.get(key)
redirect_to = path+'?'+query_string
request.session['redirected'] = True
return http.HttpResponseRedirect(redirect_to)
else:
return None
else:
return None
}}}
--
Ticket URL: <http://code.djangoproject.com/ticket/3777#comment:4>
Django <http://code.djangoproject.com/>
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