Future Of Technology - Django

change the default filter choice from 'ALL'

class MyModelAdmin(admin.ModelAdmin):

def changelist_view(self, request, extra_context=None):

if not request.GET.has_key('decommissioned__exact'):

q = request.GET.copy()
q['decommissioned__exact'] = 'N'
request.GET = q
request.META['QUERY_STRING'] = request.GET.urlencode()
return super(MyModelAdmin,self).changelist_view(request, extra_context=extra_context)