code: def output_ip(gandi, ip, datacenters, vms, ifaces, output_keys, justify=11):
      
      output_generic(gandi, ip, output_keys, justify)
  
      if 'type' in output_keys:
          iface = ifaces.get(ip['iface_id'])
          type_ = 'private' if iface.get('vlan') else 'public'
          output_line(gandi, 'type', type_, justify)
          if type_ == 'private':
              output_line(gandi, 'vlan', iface['vlan']['name'], justify)
  
      if 'vm' in output_keys:
          iface = ifaces.get(ip['iface_id'])
          vm_id = iface.get('vm_id')
          if vm_id:
              vm_name = vms.get(vm_id, {}).get('hostname')
              if vm_name:
                  output_line(gandi, 'vm', vm_name, justify)
  
      if 'dc' in output_keys:
          for dc in datacenters:
              if dc['id'] == ip.get('datacenter_id',
                                    ip.get('datacenter', {}).get('id')):
                  dc_name = dc.get('dc_code', dc.get('iso', ''))
                  break
  
          output_line(gandi, 'datacenter', dc_name, justify)
docs: Helper to output an ip information.