Add plugin option [hassfest] (#65024)

mypy.ini

@@ -1,6 +1,6 @@
 # Automatically generated by hassfest.
 #
-# To update, run python3 -m script.hassfest
+# To update, run python3 -m script.hassfest -p mypy_config
 
 [mypy]
 python_version = 3.9

script/hassfest/__main__.py

@@ -43,6 +43,11 @@ HASS_PLUGINS = [
     mypy_config,
 ]
 
+ALL_PLUGIN_NAMES = [
+    plugin.__name__.rsplit(".", maxsplit=1)[-1]
+    for plugin in (*INTEGRATION_PLUGINS, *HASS_PLUGINS)
+]
+
 
 def valid_integration_path(integration_path):
     """Test if it's a valid integration."""
@@ -53,6 +58,17 @@ def valid_integration_path(integration_path):
     return path
 
 
+def validate_plugins(plugin_names: str) -> list[str]:
+    """Split and validate plugin names."""
+    all_plugin_names = set(ALL_PLUGIN_NAMES)
+    plugins = plugin_names.split(",")
+    for plugin in plugins:
+        if plugin not in all_plugin_names:
+            raise argparse.ArgumentTypeError(f"{plugin} is not a valid plugin name")
+
+    return plugins
+
+
 def get_config() -> Config:
     """Return config."""
     parser = argparse.ArgumentParser(description="Hassfest")
@@ -70,6 +86,13 @@ def get_config() -> Config:
         action="store_true",
         help="Validate requirements",
     )
+    parser.add_argument(
+        "-p",
+        "--plugins",
+        type=validate_plugins,
+        default=ALL_PLUGIN_NAMES,
+        help="Comma-separate list of plugins to run. Valid plugin names: %(default)s",
+    )
     parsed = parser.parse_args()
 
     if parsed.action is None:
@@ -91,6 +114,7 @@ def get_config() -> Config:
         specific_integrations=parsed.integration_path,
         action=parsed.action,
         requirements=parsed.requirements,
+        plugins=set(parsed.plugins),
     )
 
 
@@ -117,9 +141,12 @@ def main():
         plugins += HASS_PLUGINS
 
     for plugin in plugins:
+        plugin_name = plugin.__name__.rsplit(".", maxsplit=1)[-1]
+        if plugin_name not in config.plugins:
+            continue
         try:
             start = monotonic()
-            print(f"Validating {plugin.__name__.split('.')[-1]}...", end="", flush=True)
+            print(f"Validating {plugin_name}...", end="", flush=True)
             if (
                 plugin is requirements
                 and config.requirements
@@ -161,6 +188,9 @@ def main():
 
         if config.action == "generate":
             for plugin in plugins:
+                plugin_name = plugin.__name__.rsplit(".", maxsplit=1)[-1]
+                if plugin_name not in config.plugins:
+                    continue
                 if hasattr(plugin, "generate"):
                     plugin.generate(integrations, config)
         return 0

script/hassfest/model.py

@@ -32,6 +32,7 @@ class Config:
     requirements: bool = attr.ib()
     errors: list[Error] = attr.ib(factory=list)
     cache: dict[str, Any] = attr.ib(factory=dict)
+    plugins: set[str] = attr.ib(factory=set)
 
     def add_error(self, *args: Any, **kwargs: Any) -> None:
         """Add an error."""

script/hassfest/mypy_config.py

@@ -90,7 +90,7 @@ NO_IMPLICIT_REEXPORT_MODULES: set[str] = {
 HEADER: Final = """
 # Automatically generated by hassfest.
 #
-# To update, run python3 -m script.hassfest
+# To update, run python3 -m script.hassfest -p mypy_config
 
 """.lstrip()