There

app1.py

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-import os
-import sys
-import pdb
-import random
-import numpy as np
-from PIL import Image
-import base64
-from io import BytesIO
-
-import torch
-from torchvision import transforms
-import torchvision.transforms.functional as TF
-import gradio as gr
-
-from src.model import make_1step_sched
-from src.pix2pix_turbo import Pix2Pix_Turbo
-
-model = Pix2Pix_Turbo("sketch_to_image_stochastic")
-
-style_list = [
-    {
-        "name": "No Style",
-        "prompt": "{prompt}",
-    },
-    {
-        "name": "Cinematic",
-        "prompt": "cinematic still {prompt} . emotional, harmonious, vignette, highly detailed, high budget, bokeh, cinemascope, moody, epic, gorgeous, film grain, grainy",
-    },
-    {
-        "name": "3D Model",
-        "prompt": "professional 3d model {prompt} . octane render, highly detailed, volumetric, dramatic lighting",
-    },
-    {
-        "name": "Anime",
-        "prompt": "anime artwork {prompt} . anime style, key visual, vibrant, studio anime,  highly detailed",
-    },
-    {
-        "name": "Digital Art",
-        "prompt": "concept art {prompt} . digital artwork, illustrative, painterly, matte painting, highly detailed",
-    },
-    {
-        "name": "Photographic",
-        "prompt": "cinematic photo {prompt} . 35mm photograph, film, bokeh, professional, 4k, highly detailed",
-    },
-    {
-        "name": "Pixel art",
-        "prompt": "pixel-art {prompt} . low-res, blocky, pixel art style, 8-bit graphics",
-    },
-    {
-        "name": "Fantasy art",
-        "prompt": "ethereal fantasy concept art of  {prompt} . magnificent, celestial, ethereal, painterly, epic, majestic, magical, fantasy art, cover art, dreamy",
-    },
-    {
-        "name": "Neonpunk",
-        "prompt": "neonpunk style {prompt} . cyberpunk, vaporwave, neon, vibes, vibrant, stunningly beautiful, crisp, detailed, sleek, ultramodern, magenta highlights, dark purple shadows, high contrast, cinematic, ultra detailed, intricate, professional",
-    },
-    {
-        "name": "Manga",
-        "prompt": "manga style {prompt} . vibrant, high-energy, detailed, iconic, Japanese comic style",
-    },
-]
-
-styles = {k["name"]: k["prompt"] for k in style_list}
-STYLE_NAMES = list(styles.keys())
-DEFAULT_STYLE_NAME = "Fantasy art"
-MAX_SEED = np.iinfo(np.int32).max
-
-
-def pil_image_to_data_uri(img, format='PNG'):
-    buffered = BytesIO()
-    img.save(buffered, format=format)
-    img_str = base64.b64encode(buffered.getvalue()).decode()
-    return f"data:image/{format.lower()};base64,{img_str}"
-
-
-def run(image, prompt, prompt_template, style_name, seed, val_r):
-    print(f"seed: {seed}, r_val: {val_r}")
-    print("sketch updated")
-    if image is None:
-        ones = Image.new("L", (512, 512), 255)
-        temp_uri = pil_image_to_data_uri(ones)
-        return ones, gr.update(link=temp_uri), gr.update(link=temp_uri)
-    prompt = prompt_template.replace("{prompt}", prompt)
-    image = image.convert("RGB")
-    image_t = TF.to_tensor(image) > 0.5
-    image_pil = TF.to_pil_image(image_t.to(torch.float32))
-    print(f"r_val={val_r}, seed={seed}")
-    with torch.no_grad():
-        c_t = image_t.unsqueeze(0).cuda().float()
-        torch.manual_seed(seed)
-        B,C,H,W = c_t.shape
-        noise = torch.randn((1,4,H//8, W//8), device=c_t.device)
-        output_image = model(c_t, prompt, deterministic=False, r=val_r, noise_map=noise)
-    output_pil = TF.to_pil_image(output_image[0].cpu()*0.5+0.5)
-    input_sketch_uri = pil_image_to_data_uri(Image.fromarray(255-np.array(image)))
-    output_image_uri = pil_image_to_data_uri(output_pil)
-    return output_pil, gr.update(link=input_sketch_uri), gr.update(link=output_image_uri)
-
-
-def update_canvas(use_line, use_eraser):
-    if use_eraser:
-        _color = "#ffffff"
-        brush_size = 20
-    if use_line:
-        _color = "#000000"
-        brush_size = 4
-    return gr.update(brush_radius=brush_size, brush_color=_color, interactive=True)
-
-
-def upload_sketch(file):
-    _img = Image.open(file.name)
-    _img = _img.convert("L")
-    return gr.update(value=_img, source="upload", interactive=True)
-    
-    
-scripts = """
-async () => {
-    globalThis.theSketchDownloadFunction = () => {
-        console.log("test")
-        var link = document.createElement("a");
-        dataUri = document.getElementById('download_sketch').href
-        link.setAttribute("href", dataUri)
-        link.setAttribute("download", "sketch.png")
-        document.body.appendChild(link); // Required for Firefox
-        link.click();
-        document.body.removeChild(link); // Clean up
-      
-        // also call the output download function
-        theOutputDownloadFunction();
-      return false
-    }
-
-    globalThis.theOutputDownloadFunction = () => {
-        console.log("test output download function")
-        var link = document.createElement("a");
-        dataUri = document.getElementById('download_output').href
-        link.setAttribute("href", dataUri);
-        link.setAttribute("download", "output.png");
-        document.body.appendChild(link); // Required for Firefox
-        link.click();
-        document.body.removeChild(link); // Clean up
-      return false
-    }
-
-    globalThis.UNDO_SKETCH_FUNCTION = () => {
-        console.log("undo sketch function")
-        var button_undo = document.querySelector('#input_image > div.image-container.svelte-p3y7hu > div.svelte-s6ybro > button:nth-child(1)');
-        // Create a new 'click' event
-        var event = new MouseEvent('click', {
-            'view': window,
-            'bubbles': true,
-            'cancelable': true
-        });
-        button_undo.dispatchEvent(event);
-    }
-
-    globalThis.DELETE_SKETCH_FUNCTION = () => {
-        console.log("delete sketch function")
-        var button_del = document.querySelector('#input_image > div.image-container.svelte-p3y7hu > div.svelte-s6ybro > button:nth-child(2)');
-        // Create a new 'click' event
-        var event = new MouseEvent('click', {
-            'view': window,
-            'bubbles': true,
-            'cancelable': true
-        });
-        button_del.dispatchEvent(event);
-    }
-
-    globalThis.togglePencil = () => {
-        el_pencil = document.getElementById('my-toggle-pencil');
-        el_pencil.classList.toggle('clicked');
-        // simulate a click on the gradio button
-        btn_gradio = document.querySelector("#cb-line > label > input");
-        var event = new MouseEvent('click', {
-            'view': window,
-            'bubbles': true,
-            'cancelable': true
-        });
-        btn_gradio.dispatchEvent(event);
-        if (el_pencil.classList.contains('clicked')) {
-            document.getElementById('my-toggle-eraser').classList.remove('clicked');
-            document.getElementById('my-div-pencil').style.backgroundColor = "gray";
-            document.getElementById('my-div-eraser').style.backgroundColor = "white";
-        }
-        else {
-            document.getElementById('my-toggle-eraser').classList.add('clicked');
-            document.getElementById('my-div-pencil').style.backgroundColor = "white";
-            document.getElementById('my-div-eraser').style.backgroundColor = "gray";
-        }
-        
-    }
-
-    globalThis.toggleEraser = () => {
-        element = document.getElementById('my-toggle-eraser');
-        element.classList.toggle('clicked');
-        // simulate a click on the gradio button
-        btn_gradio = document.querySelector("#cb-eraser > label > input");
-        var event = new MouseEvent('click', {
-            'view': window,
-            'bubbles': true,
-            'cancelable': true
-        });
-        btn_gradio.dispatchEvent(event);
-        if (element.classList.contains('clicked')) {
-            document.getElementById('my-toggle-pencil').classList.remove('clicked');
-            document.getElementById('my-div-pencil').style.backgroundColor = "white";
-            document.getElementById('my-div-eraser').style.backgroundColor = "gray";
-        }
-        else {
-            document.getElementById('my-toggle-pencil').classList.add('clicked');
-            document.getElementById('my-div-pencil').style.backgroundColor = "gray";
-            document.getElementById('my-div-eraser').style.backgroundColor = "white";
-        }
-    }
-}
-"""
-
-with gr.Blocks(css="style.css") as demo:
-    #gr.Markdown("# pix2pix-Turbo: **Sketch**", elem_id="description")
-    #gr.Markdown("**Paper:** [One-Step Image Translation with Text-to-Image Models](https://arxiv.org/abs/2403.12036) ", elem_id="paper_name")
-    #gr.Markdown("**GitHub:** https://github.com/GaParmar/img2img-turbo", elem_id="github")
-    gr.HTML(
-        """
-        <div style="display: flex; justify-content: center; align-items: center; text-align: center;">
-            <div>
-                <h2><a href="https://github.com/GaParmar/img2img-turbo">One-Step Image Translation with Text-to-Image Models</a></h2>
-                <div>
-                    <div style="display: flex; justify-content: center; align-items: center; text-align: center;">
-                        <a href='https://gauravparmar.com/'>Gaurav Parmar, </a>
-                        &nbsp;
-                        <a href='https://taesung.me/'> Taesung Park,</a>
-                        &nbsp;
-                        <a href='https://www.cs.cmu.edu/~srinivas/'>Srinivasa Narasimhan, </a>
-                        &nbsp;
-                        <a href='https://www.cs.cmu.edu/~junyanz/'> Jun-Yan Zhu </a>
-                    </div>
-                </div>
-                </br>
-                <div style="display: flex; justify-content: center; align-items: center; text-align: center;">
-                    <a href='https://arxiv.org/abs/2403.12036'>
-                        <img src="https://img.shields.io/badge/arXiv-2403.12036-red">
-                    </a>
-                    &nbsp;
-                    <a href='https://github.com/GaParmar/img2img-turbo'>
-                        <img src='https://img.shields.io/badge/github-%23121011.svg'>
-                    </a>
-                    &nbsp;
-                    <a href='https://github.com/GaParmar/img2img-turbo/blob/main/LICENSE'>
-                        <img src='https://img.shields.io/badge/license-MIT-lightgrey'>
-                    </a>
-                </div>
-            </div>
-        </div>
-        <div>
-        </br>
-        </div>
-        """
-    )
-
-
-    # these are hidden buttons that are used to trigger the canvas changes
-    line = gr.Checkbox(label="line", value=False, elem_id="cb-line")
-    eraser = gr.Checkbox(label="eraser", value=False, elem_id="cb-eraser")
-    with gr.Row(elem_id="main_row"):
-        with gr.Column(elem_id="column_input"):
-            gr.Markdown("## INPUT", elem_id="input_header")
-            image = gr.Image(
-                source="canvas", tool="color-sketch", type="pil", image_mode="L",
-                invert_colors=True, shape=(512, 512), brush_radius=4, height=440, width=440,
-                brush_color="#000000", interactive=True, show_download_button=True, elem_id="input_image", show_label=False)
-            download_sketch = gr.Button("Download sketch", scale=1, elem_id="download_sketch")
-            
-            gr.HTML("""
-            <div class="button-row">
-                <div id="my-div-pencil" class="pad2"> <button id="my-toggle-pencil" onclick="return togglePencil(this)"></button> </div>
-                <div id="my-div-eraser" class="pad2"> <button id="my-toggle-eraser" onclick="return toggleEraser(this)"></button> </div>
-                <div class="pad2"> <button id="my-button-undo" onclick="return UNDO_SKETCH_FUNCTION(this)"></button> </div>
-                <div class="pad2"> <button id="my-button-clear" onclick="return DELETE_SKETCH_FUNCTION(this)"></button> </div>
-                <div class="pad2"> <button href="TODO" download="image" id="my-button-down" onclick='return theSketchDownloadFunction()'></button> </div>
-            </div>
-            """)
-            # gr.Markdown("## Prompt", elem_id="tools_header")
-            prompt = gr.Textbox(label="Prompt", value="", show_label=True)
-            with gr.Row():
-                style = gr.Dropdown(label="Style", choices=STYLE_NAMES, value=DEFAULT_STYLE_NAME, scale=1)
-                prompt_temp = gr.Textbox(label="Prompt Style Template", value=styles[DEFAULT_STYLE_NAME], scale=2, max_lines=1)
-            
-            with gr.Row():
-                val_r = gr.Slider(label="Sketch guidance: ", show_label=True, minimum=0, maximum=1, value=0.4, step=0.01, scale=3)
-                seed = gr.Textbox(label="Seed", value=42, scale=1, min_width=50)
-                randomize_seed = gr.Button("Random", scale=1, min_width=50)
-
-        with gr.Column(elem_id="column_process", min_width=50, scale=0.4):
-            gr.Markdown("## pix2pix-turbo", elem_id="description")
-            run_button = gr.Button("Run", min_width=50)
-
-        with gr.Column(elem_id="column_output"):
-            gr.Markdown("## OUTPUT", elem_id="output_header")
-            result = gr.Image(label="Result", height=440, width=440, elem_id="output_image", show_label=False, show_download_button=True)
-            download_output = gr.Button("Download output", elem_id="download_output")
-            gr.Markdown("### Instructions")
-            gr.Markdown("**1**. Enter a text prompt (e.g. cat)")
-            gr.Markdown("**2**. Start sketching")
-            gr.Markdown("**3**. Change the image style using a style template")
-            gr.Markdown("**4**. Adjust the effect of sketch guidance using the slider")
-            gr.Markdown("**5**. Try different seeds to generate different results")
-
-    
-    eraser.change(fn=lambda x: gr.update(value=not x), inputs=[eraser], outputs=[line]).then(update_canvas, [line, eraser], [image])
-    line.change(fn=lambda x: gr.update(value=not x), inputs=[line], outputs=[eraser]).then(update_canvas, [line, eraser], [image])
-
-    demo.load(None,None,None,_js=scripts)
-    randomize_seed.click(lambda x: random.randint(0, MAX_SEED), inputs=[], outputs=seed)
-    inputs = [image, prompt, prompt_temp, style, seed, val_r]
-    outputs = [result, download_sketch, download_output]
-    prompt.submit(fn=run, inputs=inputs, outputs=outputs)
-    style.change(lambda x: styles[x], inputs=[style], outputs=[prompt_temp]).then(
-        fn=run, inputs=inputs, outputs=outputs,)
-    val_r.change(run, inputs=inputs, outputs=outputs)
-    run_button.click(fn=run, inputs=inputs, outputs=outputs)
-    image.change(run, inputs=inputs, outputs=outputs,)
-
-if __name__ == "__main__":
-    demo.queue().launch(debug=True)