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Cleaner support for loading different diffusion model types.

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This commit is contained in:
comfyanonymous 2024-07-11 11:37:31 -04:00
parent ffe0bb0a33
commit 5e1fced639
2 changed files with 7 additions and 6 deletions
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5
comfy/model_detection.py
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@ -105,6 +105,9 @@ def detect_unet_config(state_dict, key_prefix):
unet_config["audio_model"] = "dit1.0"
return unet_config
if '{}input_blocks.0.0.weight'.format(key_prefix) not in state_dict_keys:
return None
unet_config = {
"use_checkpoint": False,
"image_size": 32,
@ -239,6 +242,8 @@ def model_config_from_unet_config(unet_config, state_dict=None):
def model_config_from_unet(state_dict, unet_key_prefix, use_base_if_no_match=False):
unet_config = detect_unet_config(state_dict, unet_key_prefix)
if unet_config is None:
return None
model_config = model_config_from_unet_config(unet_config, state_dict)
if model_config is None and use_base_if_no_match:
return comfy.supported_models_base.BASE(unet_config)

8
comfy/sd.py
View File

@ -546,21 +546,17 @@ def load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, o
def load_unet_state_dict(sd): #load unet in diffusers or regular format
#Allow loading unets from checkpoint files
checkpoint = False
diffusion_model_prefix = model_detection.unet_prefix_from_state_dict(sd)
temp_sd = comfy.utils.state_dict_prefix_replace(sd, {diffusion_model_prefix: ""}, filter_keys=True)
if len(temp_sd) > 0:
sd = temp_sd
checkpoint = True
parameters = comfy.utils.calculate_parameters(sd)
unet_dtype = model_management.unet_dtype(model_params=parameters)
load_device = model_management.get_torch_device()
model_config = model_detection.model_config_from_unet(sd, "")
if checkpoint or "input_blocks.0.0.weight" in sd or 'clf.1.weight' in sd: #ldm or stable cascade
model_config = model_detection.model_config_from_unet(sd, "")
if model_config is None:
return None
if model_config is not None:
new_sd = sd
elif 'transformer_blocks.0.attn.add_q_proj.weight' in sd: #MMDIT SD3
new_sd = model_detection.convert_diffusers_mmdit(sd, "")