Make it clear to mypy that this driver only works on windows

QCoDeS · Oct 5, 2022 · 7cf228b · 7cf228b
1 parent e0335a8
commit 7cf228b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/qcodes_contrib_drivers/drivers/SignalCore/SignalCore.py b/qcodes_contrib_drivers/drivers/SignalCore/SignalCore.py
@@ -203,7 +203,11 @@ def __init__(self, name: str,
         self.connect_message()
 
     def _open(self) -> None:
-        self._handle = ctypes.wintypes.HANDLE()
+        if sys.platform == "win32":
+            self._handle = ctypes.wintypes.HANDLE()
+        else:
+            raise EnvironmentError(f"{self.__class__.__name__} is supported only on Windows platform")
+
         self._dll.sc5520a_uhfsOpenDevice(COMMINTERFACE, self.buffer_pointer_array[0], ctypes.c_uint8(1), ctypes.byref(self._handle))
 
     def _close(self) -> None: