Axis - Improve discovery title by adding placeholder support (#27663)

* Improve discovery title by adding placeholder support

homeassistant/components/axis/.translations/en.json

@@ -12,6 +12,7 @@
             "device_unavailable": "Device is not available",
             "faulty_credentials": "Bad user credentials"
         },
+        "flow_title": "Axis device: {name} ({host})",
         "step": {
             "user": {
                 "data": {

homeassistant/components/axis/config_flow.py

@@ -191,6 +191,12 @@ class AxisFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             load_json, self.hass.config.path(CONFIG_FILE)
         )
 
+        # pylint: disable=no-member # https://github.com/PyCQA/pylint/issues/3167
+        self.context["title_placeholders"] = {
+            "name": discovery_info["hostname"][:-7],
+            "host": discovery_info[CONF_HOST],
+        }
+
         if serialnumber not in config_file:
             self.discovery_schema = {
                 vol.Required(CONF_HOST, default=discovery_info[CONF_HOST]): str,
@@ -198,6 +204,7 @@ class AxisFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
                 vol.Required(CONF_PASSWORD): str,
                 vol.Required(CONF_PORT, default=discovery_info[CONF_PORT]): int,
             }
+
             return await self.async_step_user()
 
         try:

homeassistant/components/axis/strings.json

@@ -1,6 +1,7 @@
 {
     "config": {
         "title": "Axis device",
+        "flow_title": "Axis device: {name} ({host})",
         "step": {
             "user": {
                 "title": "Set up Axis device",

tests/components/axis/test_config_flow.py

@@ -186,6 +186,7 @@ async def test_zeroconf_flow(hass):
             data={
                 config_flow.CONF_HOST: "1.2.3.4",
                 config_flow.CONF_PORT: 80,
+                "hostname": "name",
                 "properties": {"macaddress": "00408C12345"},
             },
             context={"source": "zeroconf"},
@@ -319,6 +320,7 @@ async def test_zeroconf_flow_bad_config_file(hass):
             config_flow.DOMAIN,
             data={
                 config_flow.CONF_HOST: "1.2.3.4",
+                "hostname": "name",
                 "properties": {"macaddress": "00408C12345"},
             },
             context={"source": "zeroconf"},