Log Withings webhook URL warning only once (#164551)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

homeassistant/components/withings/__init__.py

@@ -214,6 +214,7 @@ class WithingsWebhookManager:
     """Manager that manages the Withings webhooks."""
 
     _webhooks_registered = False
+    _webhook_url_invalid = False
     _register_lock = asyncio.Lock()
 
     def __init__(self, hass: HomeAssistant, entry: WithingsConfigEntry) -> None:
@@ -260,16 +261,20 @@ class WithingsWebhookManager:
                 )
             url = URL(webhook_url)
             if url.scheme != "https":
-                LOGGER.warning(
-                    "Webhook not registered - HTTPS is required. "
-                    "See https://www.home-assistant.io/integrations/withings/#webhook-requirements"
-                )
+                if not self._webhook_url_invalid:
+                    LOGGER.warning(
+                        "Webhook not registered - HTTPS is required. "
+                        "See https://www.home-assistant.io/integrations/withings/#webhook-requirements"
+                    )
+                    self._webhook_url_invalid = True
                 return
             if url.port != 443:
-                LOGGER.warning(
-                    "Webhook not registered - port 443 is required. "
-                    "See https://www.home-assistant.io/integrations/withings/#webhook-requirements"
-                )
+                if not self._webhook_url_invalid:
+                    LOGGER.warning(
+                        "Webhook not registered - port 443 is required. "
+                        "See https://www.home-assistant.io/integrations/withings/#webhook-requirements"
+                    )
+                    self._webhook_url_invalid = True
                 return
 
             webhook_name = "Withings"

tests/components/withings/test_init.py

@@ -386,6 +386,60 @@ async def test_setup_no_webhook(
         mock_async_generate_url.assert_called_once()
 
     assert expected_message in caplog.text
+    assert caplog.text.count(expected_message) == 1
+
+
+@pytest.mark.parametrize(
+    ("url", "expected_message"),
+    [
+        ("http://example.com", "HTTPS is required"),
+        ("https://example.com:444", "port 443 is required"),
+    ],
+)
+async def test_setup_no_webhook_logged_once(
+    hass: HomeAssistant,
+    webhook_config_entry: MockConfigEntry,
+    withings: AsyncMock,
+    caplog: pytest.LogCaptureFixture,
+    freezer: FrozenDateTimeFactory,
+    url: str,
+    expected_message: str,
+) -> None:
+    """Test webhook warning is only logged once on repeated retries."""
+    await mock_cloud(hass)
+    await hass.async_block_till_done()
+
+    with (
+        patch("homeassistant.components.cloud.async_is_logged_in", return_value=True),
+        patch.object(cloud, "async_is_connected", return_value=True),
+        patch.object(cloud, "async_active_subscription", return_value=True),
+        patch(
+            "homeassistant.components.cloud.async_create_cloudhook",
+            return_value=url,
+        ),
+        patch(
+            "homeassistant.components.withings.async_get_config_entry_implementation",
+        ),
+        patch(
+            "homeassistant.components.cloud.async_delete_cloudhook",
+        ),
+        patch("homeassistant.components.withings.webhook_generate_url"),
+    ):
+        await setup_integration(hass, webhook_config_entry)
+        await prepare_webhook_setup(hass, freezer)
+        await hass.async_block_till_done()
+
+        assert caplog.text.count(expected_message) == 1
+
+        # Simulate cloud disconnect then reconnect, triggering register_webhook again
+        async_mock_cloud_connection_status(hass, False)
+        await hass.async_block_till_done()
+
+        async_mock_cloud_connection_status(hass, True)
+        await hass.async_block_till_done()
+
+        # Warning should still only be logged once
+        assert caplog.text.count(expected_message) == 1
 
 
 async def test_cloud_disconnect(