home-assistant: find packages that use extra_require

pkgs/servers/home-assistant/component-packages.nix

@@ -683,7 +683,7 @@
     "safe_mode" = ps: with ps; [ aiohttp-cors hass-nabucasa]; # missing inputs: home-assistant-frontend
     "saj" = ps: with ps; [ ]; # missing inputs: pysaj
     "salt" = ps: with ps; [ ]; # missing inputs: saltbox
-    "samsungtv" = ps: with ps; [ ]; # missing inputs: samsungctl[websocket] samsungtvws[websocket]
+    "samsungtv" = ps: with ps; [ samsungctl samsungtvws];
     "satel_integra" = ps: with ps; [ ]; # missing inputs: satel_integra
     "scene" = ps: with ps; [ ];
     "schluter" = ps: with ps; [ ]; # missing inputs: py-schluter

pkgs/servers/home-assistant/parse-requirements.py

@@ -113,6 +113,10 @@ def name_to_attr_path(req: str, packages: Dict[str, Dict[str, str]]) -> Optional
     # instead of python-3.6-python-mpd2 inside Nixpkgs
     if req.startswith("python-") or req.startswith("python_"):
         names.append(req[len("python-") :])
+    # Add name variant without extra_require, e.g. samsungctl
+    # instead of samsungctl[websocket]
+    if req.endswith("]"):
+        names.append(req[:req.find("[")])
     for name in names:
         # treat "-" and "_" equally
         name = re.sub("[-_]", "[-_]", name)