Merge pull request #5191 from aliencaocao/enable_checkpoint_switching_in_override_settings

Support changing checkpoint and vae through override_settings

modules/processing.py

@@ -20,6 +20,8 @@ import modules.shared as shared
 import modules.face_restoration
 import modules.images as images
 import modules.styles
+import modules.sd_models as sd_models
+import modules.sd_vae as sd_vae
 import logging
 from ldm.data.util import AddMiDaS
 from ldm.models.diffusion.ddpm import LatentDepth2ImageDiffusion
@@ -454,8 +456,10 @@ def process_images(p: StableDiffusionProcessing) -> Processed:
 
     try:
         for k, v in p.override_settings.items():
-            setattr(opts, k, v)  # we don't call onchange for simplicity which makes changing model impossible
-            if k == 'sd_hypernetwork': shared.reload_hypernetworks()  # make onchange call for changing hypernet since it is relatively fast to load on-change, while SD models are not
+            setattr(opts, k, v)
+            if k == 'sd_hypernetwork': shared.reload_hypernetworks()  # make onchange call for changing hypernet
+            if k == 'sd_model_checkpoint': sd_models.reload_model_weights()  # make onchange call for changing SD model
+            if k == 'sd_vae': sd_vae.reload_vae_weights()  # make onchange call for changing VAE
 
         res = process_images_inner(p)
 
@@ -463,6 +467,8 @@ def process_images(p: StableDiffusionProcessing) -> Processed:
         for k, v in stored_opts.items():
             setattr(opts, k, v)
             if k == 'sd_hypernetwork': shared.reload_hypernetworks()
+            if k == 'sd_model_checkpoint': sd_models.reload_model_weights()
+            if k == 'sd_vae': sd_vae.reload_vae_weights()
 
     return res