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Update app.py
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import torch
from safetensors.torch import save_file, load_file
import gradio as gr
import os
def convert_embedding(uploaded_file):
output_path = "embedding.safetensors"
file_extension = os.path.splitext(uploaded_file.name)[1]
#The sample files are probably structured in these ways because the pt files were probably all created with automatic1111, and the safetensors files were probably created with kohya_ss
#If we learn of other programs that structure the embedding file differently, we'll have to adjust the logic.
if file_extension == '.pt':
sd15_embedding = torch.load(uploaded_file.name, map_location=torch.device('cpu'), weights_only=True)
sd15_tensor = sd15_embedding['string_to_param']['*']
elif file_extension == '.safetensors':
loaded_tensors = load_file(uploaded_file.name)
sd15_tensor = loaded_tensors['emb_params']
else:
raise ValueError("Unsupported file format")
num_vectors = sd15_tensor.shape[0]
clip_g_shape = (num_vectors, 1280)
clip_l_shape = (num_vectors, 768)
clip_g = torch.zeros(clip_g_shape, dtype=torch.float16)
clip_l = torch.zeros(clip_l_shape, dtype=torch.float16)
clip_l[:sd15_tensor.shape[0], :sd15_tensor.shape[1]] = sd15_tensor.to(dtype=torch.float16)
save_file({"clip_g": clip_g, "clip_l": clip_l}, output_path)
# Return the path to the converted file for download
return output_path
iface = gr.Interface(
fn=convert_embedding,
inputs=gr.File(label="Upload SD1.5 embedding"),
outputs=gr.File(label="Download converted SDXL safetensors embedding"),
title="SD1.5 to SDXL Embedding Converter",
description="Upload an SD1.5 embedding file to convert it to SDXL."
)
if __name__ == "__main__":
iface.launch()