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from django.http import HttpResponseRedirect
from askbot.utils.forms import get_next_url
class CancelActionMiddleware(object):
def process_view(self, request, view_func, view_args, view_kwargs):
if 'cancel' in request.REQUEST:
#todo use session messages for the anonymous users
try:
msg = getattr(view_func,'CANCEL_MESSAGE')
except AttributeError:
msg = 'action canceled'
request.user.message_set.create(message=unicode(msg))
return HttpResponseRedirect(get_next_url(request))
else:
return None
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