Update app.py

app.py

@@ -6,6 +6,27 @@ import tempfile
 import molecularnodes as mn
 import os
 
+def enable_GPUS():
+    bpy.data.scenes[0].render.engine = "CYCLES" #"CYCLES"
+    # Set the device_type
+    bpy.context.preferences.addons[
+        "cycles"
+    ].preferences.compute_device_type = "CUDA"  # or "OPENCL"
+
+    # Set the device and feature set
+    bpy.context.scene.cycles.device = "GPU"
+
+    for scene in bpy.data.scenes:
+        scene.cycles.device = "GPU"
+
+    bpy.context.preferences.addons["cycles"].preferences.get_devices()
+    print(bpy.context.preferences.addons["cycles"].preferences.compute_device_type)
+    for d in bpy.context.preferences.addons["cycles"].preferences.devices:
+        d["use"] = True  # Using all devices, include GPU and CPU
+        print(d["name"])
+
+
+enable_GPUS()
 
 window = bpy.context.window
 screen = window.screen