Downgrade integrations without code owner (#85752)

homeassistant/components/directv/manifest.json

@@ -4,7 +4,7 @@
   "documentation": "https://www.home-assistant.io/integrations/directv",
   "requirements": ["directv==0.4.0"],
   "codeowners": [],
-  "quality_scale": "gold",
+  "quality_scale": "silver",
   "config_flow": true,
   "ssdp": [
     {

homeassistant/components/homematicip_cloud/manifest.json

@@ -5,7 +5,7 @@
   "documentation": "https://www.home-assistant.io/integrations/homematicip_cloud",
   "requirements": ["homematicip==1.0.13"],
   "codeowners": [],
-  "quality_scale": "platinum",
+  "quality_scale": "silver",
   "iot_class": "cloud_push",
   "loggers": ["homematicip"]
 }

script/hassfest/manifest.py

@@ -309,25 +309,19 @@ def validate_manifest(integration: Integration, core_components_dir: Path) -> No
             "manifest", f"Invalid manifest: {humanize_error(integration.manifest, err)}"
         )
 
-    if integration.manifest["domain"] != integration.path.name:
+    if (domain := integration.manifest["domain"]) != integration.path.name:
         integration.add_error("manifest", "Domain does not match dir name")
 
-    if (
-        not integration.core
-        and (core_components_dir / integration.manifest["domain"]).exists()
-    ):
+    if not integration.core and (core_components_dir / domain).exists():
         integration.add_warning(
             "manifest", "Domain collides with built-in core integration"
         )
 
-    if (
-        integration.manifest["domain"] in NO_IOT_CLASS
-        and "iot_class" in integration.manifest
-    ):
+    if domain in NO_IOT_CLASS and "iot_class" in integration.manifest:
         integration.add_error("manifest", "Domain should not have an IoT Class")
 
     if (
-        integration.manifest["domain"] not in NO_IOT_CLASS
+        domain not in NO_IOT_CLASS
         and "iot_class" not in integration.manifest
         and integration.manifest.get("integration_type") != "virtual"
     ):
@@ -343,6 +337,15 @@ def validate_manifest(integration: Integration, core_components_dir: Path) -> No
             "Virtual integration points to non-existing supported_by integration",
         )
 
+    if (quality_scale := integration.manifest.get("quality_scale")) in {
+        "gold",
+        "platinum",
+    } and not integration.manifest.get("codeowners"):
+        integration.add_error(
+            "manifest",
+            f"{quality_scale} integration does not have a code owner",
+        )
+
     if not integration.core:
         validate_version(integration)