Fixed bug in admin where it would redirect infinitely if invalid lookup...

{% extends "admin/base_site.html" %}

{% load i18n %}

{% block breadcrumbs %}<div class="breadcrumbs"><a href="../../">{% trans 'Home' %}</a> &rsaquo; {{ title }}</div>{% endblock %}

{% block content %}

<p>{% trans "Something's wrong with your database installation. Make sure the appropriate database tables have been created, and make sure the database is readable by the appropriate user." %}</p>

{% endblock %}

PAGE_VAR = 'p'

SEARCH_VAR = 'q'

IS_POPUP_VAR = 'pop'

ERROR_FLAG = 'e'

# Text to display within change-list table cells if the value is blank.

EMPTY_CHANGELIST_VALUE = '(None)'

        self.params = dict(request.GET.items())

        if self.params.has_key(PAGE_VAR):

            del self.params[PAGE_VAR]

        if self.params.has_key(ERROR_FLAG):

            del self.params[ERROR_FLAG]

        self.order_field, self.order_type = self.get_ordering()

        self.query = request.GET.get(SEARCH_VAR, '')

    try:

        cl = ChangeList(request, model)

    except IncorrectLookupParameters:

        return HttpResponseRedirect(request.path)

        # Wacky lookup parameters were given, so redirect to the main

        # changelist page, without parameters, and pass an 'invalid=1'

        # parameter via the query string. If wacky parameters were given and

        # the 'invalid=1' parameter was already in the query string, something

        # is screwed up with the database, so display an error page.

        if ERROR_FLAG in request.GET.keys():

            return render_to_response('admin/invalid_setup.html', {'title': _('Database error')})

        return HttpResponseRedirect(request.path + '?' + ERROR_FLAG + '=1')

    c = template.RequestContext(request, {

        'title': cl.title,

        'is_popup': cl.is_popup,