[ci] Fix non-component files incorrectly detected as components (#11701)

script/helpers.py

@@ -101,7 +101,11 @@ def get_component_from_path(file_path: str) -> str | None:
     ):
         parts = file_path.split("/")
         if len(parts) >= 3 and parts[2]:
-            return parts[2]
+            # Verify that parts[2] is actually a component directory, not a file
+            # like .gitignore or README.md in the components directory itself
+            component_name = parts[2]
+            if "." not in component_name:
+                return component_name
     return None
 
 

tests/script/test_helpers.py

@@ -1093,6 +1093,11 @@ def test_parse_list_components_output(output: str, expected: list[str]) -> None:
         ("tests/components/", None),  # No component name
         ("esphome/components", None),  # No trailing slash
         ("tests/components", None),  # No trailing slash
+        # Files in component directories that are not components
+        ("tests/components/.gitignore", None),  # Hidden file
+        ("tests/components/README.md", None),  # Documentation file
+        ("esphome/components/__init__.py", None),  # Python init file
+        ("tests/components/main.cpp", None),  # File with extension
     ],
 )
 def test_get_component_from_path(