Add function to get the list of currently loaded models.

comfy/model_management.py

@@ -276,6 +276,7 @@ class LoadedModel:
         self.device = model.load_device
         self.weights_loaded = False
         self.real_model = None
+        self.currently_used = True
 
     def model_memory(self):
         return self.model.model_size()
@@ -365,6 +366,7 @@ def free_memory(memory_required, device, keep_loaded=[]):
         if shift_model.device == device:
             if shift_model not in keep_loaded:
                 can_unload.append((sys.getrefcount(shift_model.model), shift_model.model_memory(), i))
+                shift_model.currently_used = False
 
     for x in sorted(can_unload):
         i = x[-1]
@@ -410,6 +412,7 @@ def load_models_gpu(models, memory_required=0, force_patch_weights=False):
                 current_loaded_models.pop(loaded_model_index).model_unload(unpatch_weights=True)
                 loaded = None
             else:
+                loaded.currently_used = True
                 models_already_loaded.append(loaded)
 
         if loaded is None:
@@ -466,6 +469,16 @@ def load_models_gpu(models, memory_required=0, force_patch_weights=False):
 def load_model_gpu(model):
     return load_models_gpu([model])
 
+def loaded_models(only_currently_used=False):
+    output = []
+    for m in current_loaded_models:
+        if only_currently_used:
+            if not m.currently_used:
+                continue
+
+        output.append(m.model)
+    return output
+
 def cleanup_models(keep_clone_weights_loaded=False):
     to_delete = []
     for i in range(len(current_loaded_models)):