made function (i.e., script name) enforced; clear entries on error

scam.py

@@ -18,9 +18,12 @@ SHOWN_SETTINGS = {
 
 ENFORCED_SETTINGS = [
     "image_background_enable",
-    "image_threshold"
+    "image_threshold",
+    "function"
 ]
 
+SCRIPT_NAME = "spectrometer.py"
+
 
 
 import itertools
@@ -97,6 +100,8 @@ class MainPanel(wx.Panel):
 
 
     def on_select(self, event):
+        self.entries.clear()
+
         self.instance = instance = self.cb_pls.GetValue()
         cfg = pc.get_instance_config(instance)
         print(cfg)
@@ -167,12 +172,18 @@ def check_incoming_cfg(cfg):
         if thresh is None:
             print(f"Warning: found: threshold = None, will overwrite with value of image_threshold ({printable_img_thresh})")
 
+    script = cfg.get("function")
+    if script != SCRIPT_NAME:
+        printable_script = printable(script)
+        print(f"Warning: found: function = {printable_script}, this will be set to \"{SCRIPT_NAME}\" upon saving")
+
 
 def check_outgoing_cfg(cfg):
     bkg = cfg["image_background"]
     cfg["image_background_enable"] = "passive" if bkg else None
 
     cfg["image_threshold"] = None
+    cfg["function"] = SCRIPT_NAME
 
     return cfg
 

settings.py

@@ -15,7 +15,6 @@ class SettingsList(wx.GridSizer):
         if names is None:
             names = {}
 
-        self.clear()
         for k, v in sorted(cfg.items()):
             n = names.get(k, k)
             self.add(k, n, v)