Update gdbus.py

hassio/misc/gdbus.py

@@ -2,6 +2,7 @@
 import asyncio
 import logging
 import shlex
+import xml.etree.ElementTree as ET
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -11,9 +12,17 @@ CALL = ("gdbus call --system --dest {bus} --object-path {obj} "
 
 
 class DbusError(Exception):
+    """Dbus generic error."""
+    pass
+
+class DbusFatalError(DbusError):
     """Dbus call going wrong."""
     pass
 
+class DbusReturnError(DbusError):
+    """Dbus return error."""
+    pass
+
 
 class Dbus(object):
     """Dbus handler."""
@@ -50,6 +59,17 @@ class Dbus(object):
             args=" ".join(map(str, args))
         ))
 
+        # Run command
+        try:
+            data = await self._send(command)
+        except DBusError:
+            _LOGGER.w
+
+        # Parse and return data
+        return self._gvariant(data)
+
+    async def _send(self, command):
+        """Send command over dbus."""
         # Run command
         try:
             proc = await asyncio.create_subprocess_exec(
@@ -61,16 +81,14 @@ class Dbus(object):
 
             data, _ = await proc.communicate()
         except OSError as err:
-            _LOGGER.error("Can't send dbus command %s: %s", method, err)
-            raise DbusError() from None
+            raise DbusFatalError() from None
 
         # Success?
         if proc.returncode != 0:
-            _LOGGER.info("Error %s.%s: %s", self.object_path, method, data)
-            raise DbusError()
+            raise DbusReturnError()
 
-        # Parse and return data
-        return self._gvariant(data)
+        # End
+        return data.decode()
 
     def __getattr__(self, name):
         """Mapping to dbus method."""