def edit_group(request, group_id):
group = get_object_or_404(Group, pk=group_id)
form = GroupForm(request.POST, instance=group)
if not form.is_valid():
raise FormException(form)
form.save()
def add_group(request):
form = GroupForm(request.POST)
if not form.is_valid():
raise FormException(form)
form.save()