moved lua crutch to kvmd

kvmd/apps/kvmd/info.py

@@ -0,0 +1,51 @@
+import os
+import asyncio
+
+from typing import Dict
+
+import dbus  # pylint: disable=import-error
+import dbus.exceptions  # pylint: disable=import-error
+
+from ...yaml import load_yaml_file
+
+
+# =====
+class InfoManager:
+    def __init__(
+        self,
+        meta_path: str,
+        extras_path: str,
+        loop: asyncio.AbstractEventLoop,
+    ) -> None:
+
+        self.__meta_path = meta_path
+        self.__extras_path = extras_path
+
+        self.__loop = loop
+
+    async def get_meta(self) -> Dict:
+        return (await self.__loop.run_in_executor(None, load_yaml_file, self.__meta_path))
+
+    async def get_extras(self) -> Dict:
+        return (await self.__loop.run_in_executor(None, self.__sync_get_extras))
+
+    def __sync_get_extras(self) -> Dict:
+        try:
+            bus = dbus.SystemBus()
+
+            def is_enabled(daemon: str) -> bool:
+                obj = bus.get_object("org.freedesktop.systemd1", "/org/freedesktop/systemd1")
+                get_unit_state = obj.get_dbus_method("GetUnitFileState", "org.freedesktop.systemd1.Manager")
+                return (get_unit_state(daemon + ".service") in ["enabled", "enabled-runtime", "static", "indirect", "generated"])
+
+        except dbus.exceptions.DBusException:
+            is_enabled = (lambda daemon: True)
+
+        extras: Dict[str, Dict] = {}
+        for app in os.listdir(self.__extras_path):
+            if app[0] != "." and os.path.isdir(os.path.join(self.__extras_path, app)):
+                extras[app] = load_yaml_file(os.path.join(self.__extras_path, app, "manifest.yaml"))
+                daemon = extras[app].get("daemon", "")
+                if isinstance(daemon, str) and daemon.strip():
+                    extras[app]["enabled"] = is_enabled(daemon.strip())
+        return extras