Рефакторинг. Вынос логики чтения /sys через отдельный класс.

pym/desktop/variables/desktop.py

@@ -24,6 +24,7 @@ from calculate.lib.datavars import (Variable, VariableError, ReadonlyVariable,
                                     VariableInterface)
 from calculate.lib.utils.common import getValueFromConfig
 from calculate.lib.variables import user
+from calculate.lib.utils.device import sysfs
 from calculate.lib.utils.files import (readLinesFile, process,
                                        listDirectory, readFile)
 from calculate.desktop._cl_keys import getKey
@@ -211,9 +212,9 @@ class VariableClDesktopXfcePointers(ReadonlyVariable):
 
     def get(self):
         def generate():
-            for name_fn in sorted(
+            for input_device_name in sorted(
-                    glob.glob("/sys/class/input/mouse*/device/name")):
+                    sysfs.glob(sysfs.Path.Input, "mouse*/device/name")):
-                data = readFile(name_fn)
+                data = sysfs.read(input_device_name)
                 if data:
                     yield data.strip().replace(" ", "_").replace("/","")