display invalid lib version in UI during setup #2

custom_components/mikrotik_router/.translations/en.json

@@ -17,9 +17,9 @@
         },
         "error": {
             "name_exists": "Name already exists.",
+            "librouteros_invalid": "Invalid librouteros library version installed.",
             "cannot_connect": "Cannot connect to Mikrotik.",
-            "wrong_login": "Invalid user name or password.",
-            "routeros_api_missing": "Python module routeros_api not installed."
+            "wrong_login": "Invalid user name or password."
         }
     },
     "options": {
@@ -29,7 +29,7 @@
             },
             "device_tracker": {
                 "data": {
-                    "scan_interval": "Scan interval",
+                    "scan_interval": "Scan interval (requires HA restart)",
                     "track_arp": "Show client MAC and IP on interfaces"
                 }
             }

custom_components/mikrotik_router/config_flow.py

@@ -21,6 +21,7 @@ from .const import (
     DEFAULT_SCAN_INTERVAL,
 )
 
+from .exceptions import OldLibrouteros
 from .mikrotikapi import MikrotikAPI
 
 _LOGGER = logging.getLogger(__name__)
@@ -64,12 +65,16 @@ class MikrotikControllerConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
                 errors["base"] = "name_exists"
 
             # Test connection
+            try:
                 api = MikrotikAPI(host=user_input["host"],
                                   username=user_input["username"],
                                   password=user_input["password"],
                                   port=user_input["port"],
                                   use_ssl=user_input["ssl"]
                                   )
+            except OldLibrouteros:
+                errors["base"] = "librouteros_invalid"
+            else:
                 if not api.connect():
                     errors[CONF_HOST] = api.error
 

custom_components/mikrotik_router/mikrotikapi.py

@@ -39,11 +39,11 @@ class MikrotikAPI:
     # ---------------------------
     def check_library(self):
         if not hasattr(librouteros.exceptions, 'ConnectionClosed'):
-            error = "Old librouteros installed, check for possible conflicts with other integrations."
+            error = "Invalid librouteros library version installed, possible conflict with other software."
             raise OldLibrouteros(error)
 
         if not hasattr(librouteros.exceptions, 'ProtocolError'):
-            error = "Old librouteros installed, check for possible conflicts with other integrations."
+            error = "Invalid librouteros library version installed, possible conflict with other software."
             raise OldLibrouteros(error)
 
     # ---------------------------

custom_components/mikrotik_router/strings.json

@@ -17,9 +17,9 @@
         },
         "error": {
             "name_exists": "Name already exists.",
+            "librouteros_invalid": "Invalid librouteros library version installed.",
             "cannot_connect": "Cannot connect to Mikrotik.",
-            "wrong_login": "Invalid user name or password.",
-            "routeros_api_missing": "Python module routeros_api not installed."
+            "wrong_login": "Invalid user name or password."
         }
     },
     "options": {