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[Conversion] Support convert diffusers to safetensors #1996

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Merged
merged 1 commit into from
Jan 16, 2023
Merged

[Conversion] Support convert diffusers to safetensors #1996

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13 changes: 11 additions & 2 deletions scripts/convert_diffusers_to_original_stable_diffusion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@

import torch

from safetensors.torch import save_file


# =================#
# UNet Conversion #
Expand Down Expand Up @@ -266,6 +268,9 @@ def convert_text_enc_state_dict(text_enc_dict):
parser.add_argument("--model_path", default=None, type=str, required=True, help="Path to the model to convert.")
parser.add_argument("--checkpoint_path", default=None, type=str, required=True, help="Path to the output model.")
parser.add_argument("--half", action="store_true", help="Save weights in half precision.")
parser.add_argument(
"--use_safetensors", action="store_true", help="Save weights use safetensors, default is ckpt."
)

args = parser.parse_args()

Expand Down Expand Up @@ -306,5 +311,9 @@ def convert_text_enc_state_dict(text_enc_dict):
state_dict = {**unet_state_dict, **vae_state_dict, **text_enc_dict}
if args.half:
state_dict = {k: v.half() for k, v in state_dict.items()}
state_dict = {"state_dict": state_dict}
torch.save(state_dict, args.checkpoint_path)

if args.use_safetensors:
save_file(state_dict, args.checkpoint_path)
else:
state_dict = {"state_dict": state_dict}
torch.save(state_dict, args.checkpoint_path)