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import gradio as gr
import torch
from diffusers import StableDiffusionXLPipeline, AutoencoderKL
from huggingface_hub import hf_hub_download
from safetensors.torch import load_file
from share_btn import community_icon_html, loading_icon_html, share_js
from cog_sdxl_dataset_and_utils import TokenEmbeddingsHandler
import lora
import copy
import json
import gc
import random
with open("sdxl_loras.json", "r") as file:
data = json.load(file)
sdxl_loras_raw = [
{
"image": item["image"],
"title": item["title"],
"repo": item["repo"],
"trigger_word": item["trigger_word"],
"weights": item["weights"],
"is_compatible": item["is_compatible"],
"is_pivotal": item.get("is_pivotal", False),
"text_embedding_weights": item.get("text_embedding_weights", None),
"likes": item.get("likes", 0),
"downloads": item.get("downloads", 0),
"is_nc": item.get("is_nc", False)
}
for item in data
]
device = "cuda"
state_dicts = {}
for item in sdxl_loras_raw:
saved_name = hf_hub_download(item["repo"], item["weights"])
if not saved_name.endswith('.safetensors'):
state_dict = torch.load(saved_name)
else:
state_dict = load_file(saved_name)
state_dicts[item["repo"]] = {
"saved_name": saved_name,
"state_dict": state_dict
}
vae = AutoencoderKL.from_pretrained(
"madebyollin/sdxl-vae-fp16-fix", torch_dtype=torch.float16
)
pipe = StableDiffusionXLPipeline.from_pretrained(
"stabilityai/stable-diffusion-xl-base-1.0",
vae=vae,
torch_dtype=torch.float16,
)
original_pipe = copy.deepcopy(pipe)
pipe.to(device)
last_lora = ""
last_merged = False
last_fused = False
def update_selection(selected_state: gr.SelectData, sdxl_loras):
lora_repo = sdxl_loras[selected_state.index]["repo"]
instance_prompt = sdxl_loras[selected_state.index]["trigger_word"]
new_placeholder = "Type a prompt. This LoRA applies for all prompts, no need for a trigger word" if instance_prompt == "" else "Type a prompt to use your selected LoRA"
weight_name = sdxl_loras[selected_state.index]["weights"]
updated_text = f"### Selected: [{lora_repo}](https://huggingface.co/{lora_repo}) ✨ {'(non-commercial LoRA, `cc-by-nc`)' if sdxl_loras[selected_state.index]['is_nc'] else '' }"
is_compatible = sdxl_loras[selected_state.index]["is_compatible"]
is_pivotal = sdxl_loras[selected_state.index]["is_pivotal"]
use_with_diffusers = f'''
## Using [`{lora_repo}`](https://huggingface.co/{lora_repo})
## Use it with diffusers:
'''
if is_compatible:
use_with_diffusers += f'''
from diffusers import StableDiffusionXLPipeline
import torch
model_path = "stabilityai/stable-diffusion-xl-base-1.0"
pipe = StableDiffusionPipeline.from_pretrained(model_path, torch_dtype=torch.float16)
pipe.to("cuda")
pipe.load_lora_weights("{lora_repo}", weight_name="{weight_name}")
prompt = "{instance_prompt}..."
lora_scale= 0.9
image = pipe(prompt, num_inference_steps=30, guidance_scale=7.5, cross_attention_kwargs={{"scale": lora_scale}}).images[0]
image.save("image.png")
'''
elif not is_pivotal:
use_with_diffusers += "This LoRA is not compatible with diffusers natively yet. But you can still use it on diffusers with `bmaltais/kohya_ss` LoRA class, check out this [Google Colab](https://colab.research.google.com/drive/14aEJsKdEQ9_kyfsiV6JDok799kxPul0j )"
else:
use_with_diffusers += f"This LoRA is not compatible with diffusers natively yet. But you can still use it on diffusers with sdxl-cog `TokenEmbeddingsHandler` class, check out the [model repo](https://huggingface.co/{lora_repo}#inference-with-🧨-diffusers)"
use_with_uis = f'''
## Use it with Comfy UI, Invoke AI, SD.Next, AUTO1111:
### Download the `*.safetensors` weights of [here](https://huggingface.co/{lora_repo}/resolve/main/{weight_name})
- [ComfyUI guide](https://comfyanonymous.github.io/ComfyUI_examples/lora/)
- [Invoke AI guide](https://invoke-ai.github.io/InvokeAI/features/CONCEPTS/?h=lora#using-loras)
- [SD.Next guide](https://github.com/vladmandic/automatic)
- [AUTOMATIC1111 guide](https://stable-diffusion-art.com/lora/)
'''
return (
updated_text,
instance_prompt,
gr.update(placeholder=new_placeholder),
selected_state,
use_with_diffusers,
use_with_uis,
)
def check_selected(selected_state):
if not selected_state:
raise gr.Error("You must select a LoRA")
def merge_incompatible_lora(full_path_lora, lora_scale):
for weights_file in [full_path_lora]:
if ";" in weights_file:
weights_file, multiplier = weights_file.split(";")
multiplier = float(multiplier)
else:
multiplier = lora_scale
lora_model, weights_sd = lora.create_network_from_weights(
multiplier,
full_path_lora,
pipe.vae,
pipe.text_encoder,
pipe.unet,
for_inference=True,
)
lora_model.merge_to(
pipe.text_encoder, pipe.unet, weights_sd, torch.float16, "cuda"
)
del weights_sd
del lora_model
gc.collect()
def run_lora(prompt, negative, lora_scale, selected_state, sdxl_loras, progress=gr.Progress(track_tqdm=True)):
global last_lora, last_merged, last_fused, pipe
if negative == "":
negative = None
if not selected_state:
raise gr.Error("You must select a LoRA")
repo_name = sdxl_loras[selected_state.index]["repo"]
weight_name = sdxl_loras[selected_state.index]["weights"]
full_path_lora = state_dicts[repo_name]["saved_name"]
loaded_state_dict = copy.deepcopy(state_dicts[repo_name]["state_dict"])
cross_attention_kwargs = None
if last_lora != repo_name:
if last_merged:
del pipe
gc.collect()
pipe = copy.deepcopy(original_pipe)
pipe.to(device)
elif(last_fused):
pipe.unfuse_lora()
pipe.unload_lora_weights()
is_compatible = sdxl_loras[selected_state.index]["is_compatible"]
if is_compatible:
pipe.load_lora_weights(loaded_state_dict)
pipe.fuse_lora(lora_scale)
last_fused = True
else:
is_pivotal = sdxl_loras[selected_state.index]["is_pivotal"]
if(is_pivotal):
pipe.load_lora_weights(loaded_state_dict)
pipe.fuse_lora(lora_scale)
last_fused = True
#Add the textual inversion embeddings from pivotal tuning models
text_embedding_name = sdxl_loras[selected_state.index]["text_embedding_weights"]
text_encoders = [pipe.text_encoder, pipe.text_encoder_2]
tokenizers = [pipe.tokenizer, pipe.tokenizer_2]
embedding_path = hf_hub_download(repo_id=repo_name, filename=text_embedding_name, repo_type="model")
embhandler = TokenEmbeddingsHandler(text_encoders, tokenizers)
embhandler.load_embeddings(embedding_path)
else:
merge_incompatible_lora(full_path_lora, lora_scale)
last_fused=False
last_merged = True
image = pipe(
prompt=prompt,
negative_prompt=negative,
width=1024,
height=1024,
num_inference_steps=20,
guidance_scale=7.5,
).images[0]
last_lora = repo_name
gc.collect()
return image, gr.update(visible=True)
def shuffle_gallery(sdxl_loras):
random.shuffle(sdxl_loras)
return [(item["image"], item["title"]) for item in sdxl_loras], sdxl_loras
def swap_gallery(order, sdxl_loras):
if(order == "random"):
return shuffle_gallery(sdxl_loras)
else:
sorted_gallery = sorted(sdxl_loras, key=lambda x: x.get(order, 0), reverse=True)
return [(item["image"], item["title"]) for item in sorted_gallery], sorted_gallery
with gr.Blocks(css="custom.css") as demo:
gr_sdxl_loras = gr.State(value=sdxl_loras_raw)
title = gr.HTML(
"""<h1><img src="https://i.imgur.com/vT48NAO.png" alt="LoRA"> LoRA the Explorer</h1>""",
elem_id="title",
)
selected_state = gr.State()
with gr.Row(elem_id="main_app"):
with gr.Box(elem_id="gallery_box"):
order_gallery = gr.Radio(choices=["random", "likes"], value="random", label="Order by", elem_id="order_radio")
gallery = gr.Gallery(
#value=[(item["image"], item["title"]) for item in sdxl_loras],
label="SDXL LoRA Gallery",
allow_preview=False,
columns=3,
elem_id="gallery",
show_share_button=False,
height=784
)
with gr.Column():
prompt_title = gr.Markdown(
value="### Click on a LoRA in the gallery to select it",
visible=True,
elem_id="selected_lora",
)
with gr.Row():
prompt = gr.Textbox(label="Prompt", show_label=False, lines=1, max_lines=1, placeholder="Type a prompt after selecting a LoRA", elem_id="prompt")
button = gr.Button("Run", elem_id="run_button")
with gr.Group(elem_id="share-btn-container", visible=False) as share_group:
community_icon = gr.HTML(community_icon_html)
loading_icon = gr.HTML(loading_icon_html)
share_button = gr.Button("Share to community", elem_id="share-btn")
result = gr.Image(
interactive=False, label="Generated Image", elem_id="result-image"
)
with gr.Accordion("Advanced options", open=False):
negative = gr.Textbox(label="Negative Prompt")
weight = gr.Slider(0, 10, value=0.8, step=0.1, label="LoRA weight")
with gr.Column(elem_id="extra_info"):
with gr.Accordion(
"Use it with: 🧨 diffusers, ComfyUI, Invoke AI, SD.Next, AUTO1111",
open=False,
elem_id="accordion",
):
with gr.Row():
use_diffusers = gr.Markdown("""## Select a LoRA first 🤗""")
use_uis = gr.Markdown()
with gr.Accordion("Submit a LoRA! 📥", open=False):
submit_title = gr.Markdown(
"### Streamlined submission coming soon! Until then [suggest your LoRA in the community tab](https://huggingface.co/spaces/multimodalart/LoraTheExplorer/discussions) 🤗"
)
with gr.Box(elem_id="soon"):
submit_source = gr.Radio(
["Hugging Face", "CivitAI"],
label="LoRA source",
value="Hugging Face",
)
with gr.Row():
submit_source_hf = gr.Textbox(
label="Hugging Face Model Repo",
info="In the format `username/model_id`",
)
submit_safetensors_hf = gr.Textbox(
label="Safetensors filename",
info="The filename `*.safetensors` in the model repo",
)
with gr.Row():
submit_trigger_word_hf = gr.Textbox(label="Trigger word")
submit_image = gr.Image(
label="Example image (optional if the repo already contains images)"
)
submit_button = gr.Button("Submit!")
submit_disclaimer = gr.Markdown(
"This is a curated gallery by me, [apolinário (multimodal.art)](https://twitter.com/multimodalart). I'll try to include as many cool LoRAs as they are submitted! You can [duplicate this Space](https://huggingface.co/spaces/multimodalart/LoraTheExplorer?duplicate=true) to use it privately, and add your own LoRAs by editing `sdxl_loras.json` in the Files tab of your private space."
)
order_gallery.change(
fn=swap_gallery,
inputs=[order_gallery, gr_sdxl_loras],
outputs=[gallery, gr_sdxl_loras],
queue=False
)
gallery.select(
fn=update_selection,
inputs=[gr_sdxl_loras],
outputs=[prompt_title, prompt, prompt, selected_state, use_diffusers, use_uis],
queue=False,
show_progress=False
)
prompt.submit(
fn=check_selected,
inputs=[selected_state],
queue=False,
show_progress=False
).success(
fn=run_lora,
inputs=[prompt, negative, weight, selected_state, gr_sdxl_loras],
outputs=[result, share_group],
)
button.click(
fn=check_selected,
inputs=[selected_state],
queue=False,
show_progress=False
).success(
fn=run_lora,
inputs=[prompt, negative, weight, selected_state, gr_sdxl_loras],
outputs=[result, share_group],
)
share_button.click(None, [], [], _js=share_js)
demo.load(fn=shuffle_gallery, inputs=[gr_sdxl_loras], outputs=[gallery, gr_sdxl_loras], queue=False)
demo.queue(max_size=20)
demo.launch() |