3 from core.models import Controller, ControllerSite
4 # make sure site has a ControllerSite record for each controller
5 ctrl_sites = ControllerSite.objects.filter(site=site)
6 existing_controllers = [cs.controller for cs in ctrl_sites]
8 all_controllers = Controller.objects.all()
9 for ctrl in all_controllers:
10 if ctrl not in existing_controllers:
11 ctrl_site = ControllerSite(controller=ctrl, site=site)