wip unify rpitools with boxtools

install.py and router.py

router.py

@@ -410,8 +410,9 @@ class Service:
 
         try:
             ((prevline, prevports),) = pattern.findall(content)
-        except TypeError:
-            raise ValueError(f'{FIREWALL_CONF} does not contain expected pattern for open ports')
+        except (TypeError, ValueError):
+            print(f'{FIREWALL_CONF} does not contain expected pattern for open ports - firewall off?')
+            return
 
         # parse previous port set
         prevportset = {int(p) for p in prevports[1:-1].split(',')}