Reset switch session on trigger changes and add DP2 force helper

monitorcontrol_main.py

@@ -1,7 +1,22 @@
-from monitorcontrol import get_monitors, InputSource
+from monitorcontrol import get_monitors
+
+
+TARGET_MODEL = "AW3423DWF"
+DP2_CODE = 19
+
 
 for monitor in get_monitors():
-    with monitor:
-        print(monitor.vcp.description)
-        input_source_raw: int = monitor.get_input_source()
-        print(InputSource(input_source_raw).name)
+    description = str(getattr(getattr(monitor, "vcp", None), "description", "") or str(monitor))
+    if TARGET_MODEL not in description.upper():
+        continue
+
+    try:
+        with monitor:
+            monitor.set_input_source(DP2_CODE)
+        print(f"Target: {description}")
+        print(f"Forced DP2 code {DP2_CODE}.")
+    except Exception as exc:
+        print(f"Failed forcing DP2 on {description}: {exc}")
+    break
+else:
+    print(f"Monitor {TARGET_MODEL} not found.")