refactor(io): Replace _get_io_path method with get_io_path utility

The `_get_io_path` method was removed from `InterfaceIoManager` and
replaced with the `get_io_path` utility function from `ios1_helper.py`
to reduce redundancy and improve code reusability.

Signed-off-by: Sven Sager <s.sager@kunbus.com>

src/revpi_middleware/ios1/interface_ios.py

@@ -7,7 +7,7 @@ from pydbus.generic import signal
 from revpimodio2 import RevPiModIO, Cycletools
 from revpimodio2.io import IntIO
 
-from .ios1_helper import REVPI_DBUS_BASE_PATH, DbusInterfaceIo
+from .ios1_helper import DbusInterfaceIo, get_io_object_path
 
 
 class InterfaceIoManager:
@@ -46,11 +46,11 @@ class InterfaceIoManager:
         self.lst_inp = []
         for dev in self.modio.device:
             for io in dev.get_inputs():
-                self.lst_inp.append(self._get_io_path(io.name))
+                self.lst_inp.append(get_io_object_path(io.name))
         self.lst_out = []
         for dev in self.modio.device:
             for io in dev.get_outputs():
-                self.lst_out.append(self._get_io_path(io.name))
+                self.lst_out.append(get_io_object_path(io.name))
 
     def _modio_cycle(self, ct: Cycletools) -> None:
         for io_name in self._dc_io_interfaces:
@@ -60,9 +60,6 @@ class InterfaceIoManager:
                 self.IoChanged(interface.io.name,
                                Variant(interface.variant_type, interface.io.value))
 
-    def _get_io_path(self, io_name: str) -> str:
-        return f"{REVPI_DBUS_BASE_PATH}/io/{io_name}"
-
     def GetAllInputs(self) -> list[str]:
         return self.lst_inp
 
@@ -71,7 +68,7 @@ class InterfaceIoManager:
 
     def Get(self, io_name) -> str:
         if io_name in self.modio.io:
-            return self._get_io_path(io_name)
+            return get_io_object_path(io_name)
 
         raise KeyError(f"No IO with name '{io_name}' found.")
 

src/revpi_middleware/ios1/ios1_helper.py

@@ -55,3 +55,7 @@ class DbusInterfaceIo:
     @property
     def name(self) -> str:
         return self.io.name
+
+
+def get_io_object_path(io_name: str) -> str:
+    return f"{REVPI_DBUS_BASE_PATH}/io/{io_name}"