move option access checking to options class out of various places scattered through code

modules/processing.py

@@ -418,13 +418,13 @@ def process_images(p: StableDiffusionProcessing) -> Processed:
 
     try:
         for k, v in p.override_settings.items():
-            opts.data[k] = v  # we don't call onchange for simplicity which makes changing model, hypernet impossible
+            setattr(opts, k, v) # we don't call onchange for simplicity which makes changing model, hypernet impossible
 
         res = process_images_inner(p)
 
     finally:
         for k, v in stored_opts.items():
-            opts.data[k] = v
+            setattr(opts, k, v)
 
     return res
 

modules/shared.py

@@ -396,6 +396,15 @@ class Options:
     def __setattr__(self, key, value):
         if self.data is not None:
             if key in self.data or key in self.data_labels:
+                assert not cmd_opts.freeze_settings, "changing settings is disabled"
+
+                comp_args = opts.data_labels[key].component_args
+                if isinstance(comp_args, dict) and comp_args.get('visible', True) is False:
+                    raise RuntimeError(f"not possible to set {key} because it is restricted")
+
+                if cmd_opts.hide_ui_dir_config and key in restricted_opts:
+                    raise RuntimeError(f"not possible to set {key} because it is restricted")
+
                 self.data[key] = value
                 return
 
@@ -412,6 +421,8 @@ class Options:
         return super(Options, self).__getattribute__(item)
 
     def save(self, filename):
+        assert not cmd_opts.freeze_settings, "saving settings is disabled"
+
         with open(filename, "w", encoding="utf8") as file:
             json.dump(self.data, file, indent=4)
 

modules/ui.py

@@ -1438,8 +1438,6 @@ def create_ui(wrap_gradio_gpu_call):
     def run_settings(*args):
         changed = 0
 
-        assert not shared.cmd_opts.freeze_settings, "changing settings is disabled"
-
         for key, value, comp in zip(opts.data_labels.keys(), args, components):
             if comp != dummy_component and not opts.same_type(value, opts.data_labels[key].default):
                 return f"Bad value for setting {key}: {value}; expecting {type(opts.data_labels[key].default).__name__}", opts.dumpjson()
@@ -1448,15 +1446,9 @@ def create_ui(wrap_gradio_gpu_call):
             if comp == dummy_component:
                 continue
 
-            comp_args = opts.data_labels[key].component_args
-            if comp_args and isinstance(comp_args, dict) and comp_args.get('visible') is False:
-                continue
-
-            if cmd_opts.hide_ui_dir_config and key in restricted_opts:
-                continue
-
             oldval = opts.data.get(key, None)
-            opts.data[key] = value
+
+            setattr(opts, key, value)
 
             if oldval != value:
                 if opts.data_labels[key].onchange is not None:
@@ -1469,17 +1461,15 @@ def create_ui(wrap_gradio_gpu_call):
         return f'{changed} settings changed.', opts.dumpjson()
 
     def run_settings_single(value, key):
-        assert not shared.cmd_opts.freeze_settings, "changing settings is disabled"
-
         if not opts.same_type(value, opts.data_labels[key].default):
             return gr.update(visible=True), opts.dumpjson()
 
         oldval = opts.data.get(key, None)
-        if cmd_opts.hide_ui_dir_config and key in restricted_opts:
+        try:
+            setattr(opts, key, value)
+        except Exception:
             return gr.update(value=oldval), opts.dumpjson()
 
-        opts.data[key] = value
-
         if oldval != value:
             if opts.data_labels[key].onchange is not None:
                 opts.data_labels[key].onchange()