| from diffusers import StableDiffusionPipeline, StableDiffusionImg2ImgPipeline, DPMSolverMultistepScheduler | |
| import gradio as gr | |
| import torch | |
| from PIL import Image | |
| model_id = 'prompthero/openjourney-v4' | |
| prefix = 'mdjrny-v4 style,' | |
| scheduler = DPMSolverMultistepScheduler.from_pretrained(model_id, subfolder="scheduler") | |
| pipe = StableDiffusionPipeline.from_pretrained( | |
| model_id, | |
| torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32, | |
| scheduler=scheduler) | |
| pipe_i2i = StableDiffusionImg2ImgPipeline.from_pretrained( | |
| model_id, | |
| torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32, | |
| scheduler=scheduler) | |
| if torch.cuda.is_available(): | |
| pipe = pipe.to("cuda") | |
| pipe_i2i = pipe_i2i.to("cuda") | |
| def error_str(error, title="Error"): | |
| return f"""#### {title} | |
| {error}""" if error else "" | |
| def _parse_args(prompt, generator): | |
| parser = argparse.ArgumentParser( | |
| description="making it work." | |
| ) | |
| parser.add_argument( | |
| "--no-half-vae", help="no half vae" | |
| ) | |
| cmdline_args = parser.parse_args() | |
| command = cmdline_args.command | |
| conf_file = cmdline_args.conf_file | |
| conf_args = Arguments(conf_file) | |
| opt = conf_args.readArguments() | |
| if cmdline_args.config_overrides: | |
| for config_override in cmdline_args.config_overrides.split(";"): | |
| config_override = config_override.strip() | |
| if config_override: | |
| var_val = config_override.split("=") | |
| assert ( | |
| len(var_val) == 2 | |
| ), f"Config override '{var_val}' does not have the form 'VAR=val'" | |
| conf_args.add_opt(opt, var_val[0], var_val[1], force_override=True) | |
| def inference(prompt, guidance, steps, width=512, height=512, seed=0, img=None, strength=0.5, neg_prompt="", auto_prefix=False): | |
| generator = torch.Generator('cuda').manual_seed(seed) if seed != 0 else None | |
| prompt = f"{prefix} {prompt}" if auto_prefix else prompt | |
| try: | |
| if img is not None: | |
| return img_to_img(prompt, neg_prompt, img, strength, guidance, steps, width, height, generator), None | |
| else: | |
| return txt_to_img(prompt, neg_prompt, guidance, steps, width, height, generator), None | |
| except Exception as e: | |
| return None, error_str(e) | |
| def txt_to_img(prompt, neg_prompt, guidance, steps, width, height, generator): | |
| result = pipe( | |
| prompt, | |
| negative_prompt = neg_prompt, | |
| num_inference_steps = int(steps), | |
| guidance_scale = guidance, | |
| width = width, | |
| height = height, | |
| generator = generator) | |
| return result.images[0] | |
| def img_to_img(prompt, neg_prompt, img, strength, guidance, steps, width, height, generator): | |
| ratio = min(height / img.height, width / img.width) | |
| img = img.resize((int(img.width * ratio), int(img.height * ratio)), Image.LANCZOS) | |
| result = pipe_i2i( | |
| prompt, | |
| negative_prompt = neg_prompt, | |
| init_image = img, | |
| num_inference_steps = int(steps), | |
| strength = strength, | |
| guidance_scale = guidance, | |
| width = width, | |
| height = height, | |
| generator = generator) | |
| return result.images[0] | |
| def fake_safety_checker(images, **kwargs): | |
| return result.images[0], [False] * len(images) | |
| pipe.safety_checker = fake_safety_checker | |
| css = """.main-div div{display:inline-flex;align-items:center;gap:.8rem;font-size:1.75rem}.main-div div h1{font-weight:900;margin-bottom:7px}.main-div p{margin-bottom:10px;font-size:94%}a{text-decoration:underline}.tabs{margin-top:0;margin-bottom:0}#gallery{min-height:20rem} | |
| """ | |
| with gr.Blocks(css=css) as demo: | |
| gr.HTML( | |
| f""" | |
| <div class="main-div"> | |
| <div> | |
| <h1 style="color:green;">Open Journey V4 🦾</h1> | |
| </div> | |
| <p> | |
| Demo for <a href="https://huggingface.com/prompthero/openjourney-v4">Open Journey V4</a> | |
| Stable Diffusion model by <a href="https://huggingface.co/Prompthero/"><abbr title="Prompthero">Prompthero</abbr></a>. {"" if prefix else ""} | |
| Running on {"<b>GPU 🔥</b>" if torch.cuda.is_available() else f"<b>CPU ⚡</b>"}. | |
| </p> | |
| <p>Please use the prompt template below to achieve the desired result: | |
| </p> | |
| <b>Prompt</b>: | |
| <details><code> | |
| mdjrny-v4 style, <b>* the subject * </b>, (high detailed skin:1.2), 8k uhd, dslr, soft lighting, high quality, film grain, realistic, photo-realistic, full length frame, High detail RAW color art, piercing, diffused soft lighting, shallow depth of field, sharp focus, hyperrealism, cinematic lighting | |
| <br> | |
| <br> | |
| <q><i>Example: full body cyborg| full-length portrait| detailed face| symmetric| steampunk| cyberpunk| cyborg| intricate detailed| to scale| hyperrealistic| cinematic lighting| digital art| concept art| mdjrny-v4 style, (high detailed skin:1.2), 8k uhd, dslr, soft lighting, high quality, film grain, Fujifilm XT3 | |
| </i></q> | |
| </code></details> | |
| <q><em>Important note: The "mdjrny-v4 style" prefix is not necessary anymore (yay!)</em></q> | |
| <br> | |
| <b>Negative Prompt</b>: | |
| <details><code> | |
| lowres, text, error, cropped, worst quality, low quality, jpeg artifacts, ugly, duplicate, morbid, mutilated, out of frame, extra fingers, mutated hands, poorly drawn hands, poorly drawn face, mutation, deformed, blurry, dehydrated, bad anatomy, bad proportions, extra limbs, cloned face, disfigured, gross proportions, malformed limbs, missing arms, missing legs, extra arms, extra legs, fused fingers, too many fingers, long neck, username, watermark, signature | |
| </code></details> | |
| <br> | |
| Have Fun & Enjoy ⚡ <a href="https://www.thafx.com"><abbr title="Website">//THAFX</abbr></a> | |
| <br> | |
| </div> | |
| """ | |
| ) | |
| with gr.Row(): | |
| with gr.Column(scale=55): | |
| with gr.Group(): | |
| with gr.Row(): | |
| prompt = gr.Textbox(label="Prompt", show_label=False,max_lines=2,placeholder=f"{prefix} [your prompt]").style(container=False) | |
| generate = gr.Button(value="Generate").style(rounded=(False, True, True, False)) | |
| image_out = gr.Image(height=512) | |
| error_output = gr.Markdown() | |
| with gr.Column(scale=45): | |
| with gr.Tab("Options"): | |
| with gr.Group(): | |
| neg_prompt = gr.Textbox(label="Negative prompt", placeholder="What to exclude from the image") | |
| auto_prefix = gr.Checkbox(label="Prefix styling tokens automatically (mdjrny-v4 style,)", value=prefix, visible=prefix) | |
| with gr.Row(): | |
| guidance = gr.Slider(label="Guidance scale", value=7.5, maximum=15) | |
| steps = gr.Slider(label="Steps", value=25, minimum=2, maximum=75, step=1) | |
| with gr.Row(): | |
| width = gr.Slider(label="Width", value=512, minimum=64, maximum=1024, step=8) | |
| height = gr.Slider(label="Height", value=512, minimum=64, maximum=1024, step=8) | |
| seed = gr.Slider(0, 2147483647, label='Seed (0 = random)', value=0, step=1) | |
| with gr.Tab("Image to image"): | |
| with gr.Group(): | |
| image = gr.Image(label="Image", height=256, tool="editor", type="pil") | |
| strength = gr.Slider(label="Transformation strength", minimum=0, maximum=1, step=0.01, value=0.5) | |
| auto_prefix.change(lambda x: gr.update(placeholder=f"{prefix} [your prompt]" if x else "[Your prompt]"), inputs=auto_prefix, outputs=prompt, queue=False) | |
| inputs = [prompt, guidance, steps, width, height, seed, image, strength, neg_prompt, auto_prefix] | |
| outputs = [image_out, error_output] | |
| prompt.submit(inference, inputs=inputs, outputs=outputs) | |
| generate.click(inference, inputs=inputs, outputs=outputs) | |
| demo.queue(concurrency_count=1) | |
| demo.launch() |