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| import gradio as gr | |
| import torch | |
| from diffusers import StableDiffusionXLPipeline, AutoencoderKL | |
| from huggingface_hub import hf_hub_download | |
| from share_btn import community_icon_html, loading_icon_html, share_js | |
| import lora | |
| from time import sleep | |
| import copy | |
| import json | |
| import gc | |
| with open("sdxl_loras.json", "r") as file: | |
| data = json.load(file) | |
| sdxl_loras = [ | |
| { | |
| "image": item["image"], | |
| "title": item["title"], | |
| "repo": item["repo"], | |
| "trigger_word": item["trigger_word"], | |
| "weights": item["weights"], | |
| "is_compatible": item["is_compatible"], | |
| } | |
| for item in data | |
| ] | |
| saved_names = [ | |
| hf_hub_download(item["repo"], item["weights"]) for item in sdxl_loras | |
| ] | |
| device = "cuda" # replace this to `mps` if on a MacOS Silicon | |
| 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, | |
| ).to("cpu") | |
| original_pipe = copy.deepcopy(pipe) | |
| pipe.to(device) | |
| last_lora = "" | |
| last_merged = False | |
| def update_selection(selected_state: gr.SelectData): | |
| 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}) ✨" | |
| is_compatible = sdxl_loras[selected_state.index]["is_compatible"] | |
| 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") | |
| ''' | |
| else: | |
| 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 )" | |
| 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): | |
| global last_lora, last_merged, 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 = saved_names[selected_state.index] | |
| cross_attention_kwargs = None | |
| if last_lora != repo_name: | |
| if last_merged: | |
| del pipe | |
| gc.collect() | |
| pipe = copy.deepcopy(original_pipe) | |
| pipe.to(device) | |
| else: | |
| pipe.unload_lora_weights() | |
| is_compatible = sdxl_loras[selected_state.index]["is_compatible"] | |
| if is_compatible: | |
| pipe.load_lora_weights(full_path_lora) | |
| cross_attention_kwargs = {"scale": lora_scale} | |
| else: | |
| merge_incompatible_lora(full_path_lora, lora_scale) | |
| last_merged = True | |
| image = pipe( | |
| prompt=prompt, | |
| negative_prompt=negative, | |
| width=768, | |
| height=768, | |
| num_inference_steps=20, | |
| guidance_scale=7.5, | |
| cross_attention_kwargs=cross_attention_kwargs, | |
| ).images[0] | |
| last_lora = repo_name | |
| gc.collect() | |
| return image, gr.update(visible=True) | |
| with gr.Blocks(css="custom.css") as demo: | |
| 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(): | |
| 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 | |
| ) | |
| 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") | |
| result = gr.Image( | |
| interactive=False, label="Generated Image", elem_id="result-image" | |
| ) | |
| 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") | |
| with gr.Accordion("Advanced options", open=False): | |
| negative = gr.Textbox(label="Negative Prompt") | |
| weight = gr.Slider(0, 10, value=1, 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." | |
| ) | |
| gallery.select( | |
| update_selection, | |
| 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], | |
| 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], | |
| outputs=[result, share_group], | |
| ) | |
| share_button.click(None, [], [], _js=share_js) | |
| demo.queue(max_size=20) | |
| demo.launch() |