Recursive scanning for models

ui/easydiffusion/model_manager.py

@@ -190,6 +190,30 @@ def getModels():
     }
 
     models_scanned = 0
+
+    class MaliciousModelException(Exception):
+        "Raised when picklescan reports a problem with a model"
+        pass
+
+    def scan_directory(directory, suffixes):
+        nonlocal models_scanned
+        tree = []
+        for entry in os.scandir(directory):
+            if entry.is_file() and True in [entry.name.endswith(s) for s in suffixes]:
+                mtime = entry.stat().st_mtime
+                mod_time = known_models[entry.path] if entry.path in known_models else -1
+                if mod_time != mtime:
+                    models_scanned += 1
+                    if is_malicious_model(entry.path):
+                        raise MaliciousModelException(entry.path)
+                known_models[entry.path] = mtime
+                tree.append(entry.name.rsplit('.',1)[0])
+            elif entry.is_dir():
+                scan=scan_directory(entry.path, suffixes) 
+                if len(scan) != 0:
+                    tree.append( (entry.name, scan ) )
+        return tree
+
     def listModels(model_type):
         nonlocal models_scanned
 
@@ -198,26 +222,10 @@ def getModels():
         if not os.path.exists(models_dir):
             os.makedirs(models_dir)
 
-        for file in os.listdir(models_dir):
-            for model_extension in model_extensions:
-                if not file.endswith(model_extension):
-                    continue
-
-                model_path = os.path.join(models_dir, file)
-                mtime = os.path.getmtime(model_path)
-                mod_time = known_models[model_path] if model_path in known_models else -1
-                if mod_time != mtime:
-                    models_scanned += 1
-                    if is_malicious_model(model_path):
-                        models['scan-error'] = file
-                        return
-                known_models[model_path] = mtime
-
-                model_name = file[:-len(model_extension)]
-                models['options'][model_type].append(model_name)
-
-        models['options'][model_type] = [*set(models['options'][model_type])] # remove duplicates
-        models['options'][model_type].sort()
+        try:
+            models['options'][model_type] = scan_directory(models_dir, model_extensions)
+        except MaliciousModelException as e:
+            models['scan-error'] = e
 
     # custom models
     listModels(model_type='stable-diffusion')

ui/media/js/main.js

@@ -1305,15 +1305,21 @@ async function getModels() {
 
         function createModelOptions(modelField, selectedModel) {
             return function(modelName) {
-                const modelOption = document.createElement('option')
-                modelOption.value = modelName
-                modelOption.innerText = modelName !== '' ? modelName : 'None'
+		if (typeof(modelName) == 'string') {
+                    const modelOption = document.createElement('option')
+                    modelOption.value = modelName
+                    modelOption.innerText = modelName !== '' ? modelName : 'None'
 
-                if (modelName === selectedModel) {
-                    modelOption.selected = true
-                }
-
-                modelField.appendChild(modelOption)
+                    if (modelName === selectedModel) {
+                        modelOption.selected = true
+                    }
+                    modelField.appendChild(modelOption)
+		} else {
+		    const modelGroup = document.createElement('optgroup')
+		    modelGroup.label = modelName[0]
+		    modelName[1].forEach( createModelOptions(modelGroup, selectedModel) )
+                    modelField.appendChild(modelGroup)
+		}
             }
         }