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import spaces |
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from diffusers import ( |
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StableDiffusionPipeline, |
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DPMSolverMultistepScheduler, |
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DiffusionPipeline, |
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) |
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import gradio as gr |
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import torch |
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from PIL import Image |
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import time |
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import psutil |
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import random |
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from diffusers.pipelines.stable_diffusion.safety_checker import StableDiffusionSafetyChecker |
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start_time = time.time() |
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current_steps = 25 |
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SAFETY_CHECKER = StableDiffusionSafetyChecker.from_pretrained("CompVis/stable-diffusion-safety-checker", torch_dtype=torch.float16) |
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UPSCALER = DiffusionPipeline.from_pretrained("stabilityai/sd-x2-latent-upscaler", torch_dtype=torch.float16) |
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UPSCALER.to("cuda") |
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class Model: |
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def __init__(self, name, path=""): |
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self.name = name |
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self.path = path |
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if path != "": |
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self.pipe_t2i = StableDiffusionPipeline.from_pretrained( |
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path, torch_dtype=torch.float16, safety_checker=SAFETY_CHECKER |
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) |
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self.pipe_t2i.scheduler = DPMSolverMultistepScheduler.from_config( |
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self.pipe_t2i.scheduler.config |
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) |
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else: |
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self.pipe_t2i = None |
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models = [ |
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Model("anything-v4.0", "xyn-ai/anything-v4.0"), |
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] |
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MODELS = {m.name: m for m in models} |
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device = "GPU 🔥" if torch.cuda.is_available() else "CPU 🥶" |
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def error_str(error, title="Error"): |
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return ( |
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f"""#### {title} |
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{error}""" |
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if error |
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else "" |
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) |
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@spaces.GPU |
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def inference( |
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prompt, |
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neg_prompt, |
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guidance, |
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steps, |
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seed, |
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model_name, |
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): |
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print(psutil.virtual_memory()) |
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if seed == 0: |
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seed = random.randint(0, 2147483647) |
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generator = torch.Generator("cuda").manual_seed(seed) |
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try: |
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low_res_image, up_res_image = txt_to_img( |
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model_name, |
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prompt, |
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neg_prompt, |
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guidance, |
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steps, |
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generator, |
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) |
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return low_res_image, up_res_image, f"Done. Seed: {seed}", |
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except Exception as e: |
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return None, None, error_str(e) |
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def txt_to_img( |
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model_name, |
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prompt, |
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neg_prompt, |
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guidance, |
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steps, |
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generator, |
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): |
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pipe = MODELS[model_name].pipe_t2i |
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if torch.cuda.is_available(): |
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pipe = pipe.to("cuda") |
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pipe.enable_xformers_memory_efficient_attention() |
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low_res_latents = pipe( |
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prompt, |
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negative_prompt=neg_prompt, |
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num_inference_steps=int(steps), |
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guidance_scale=guidance, |
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generator=generator, |
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output_type="latent", |
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).images |
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with torch.no_grad(): |
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low_res_image = pipe.decode_latents(low_res_latents) |
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low_res_image = pipe.numpy_to_pil(low_res_image) |
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up_res_image = UPSCALER( |
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prompt=prompt, |
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negative_prompt=neg_prompt, |
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image=low_res_latents, |
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num_inference_steps=20, |
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guidance_scale=0, |
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generator=generator, |
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).images |
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pipe.to("cpu") |
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torch.cuda.empty_cache() |
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return low_res_image[0], up_res_image[0] |
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def replace_nsfw_images(results): |
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for i in range(len(results.images)): |
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if results.nsfw_content_detected[i]: |
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results.images[i] = Image.open("nsfw.png") |
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return results.images |
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with gr.Blocks(css="style.css") as demo: |
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gr.HTML( |
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f""" |
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<div class="finetuned-diffusion-div"> |
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<div style="text-align: center"> |
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<h1>Anything v4 model + <a href="https://huggingface.co/stabilityai/sd-x2-latent-upscaler">Stable Diffusion Latent Upscaler</a></h1> |
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<p> |
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Demo for the <a href="https://huggingface.co/andite/anything-v4.0">Anything v4</a> model hooked with the ultra-fast <a href="https://huggingface.co/stabilityai/sd-x2-latent-upscaler">Latent Upscaler</a> |
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</p> |
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</div> |
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<!-- |
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<p>To skip the queue, you can duplicate this Space<br> |
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<a style="display:inline-block" href="https://huggingface.co/spaces/patrickvonplaten/finetuned_diffusion?duplicate=true"><img src="https://img.shields.io/badge/-Duplicate%20Space-blue?labelColor=white&style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAP5JREFUOE+lk7FqAkEURY+ltunEgFXS2sZGIbXfEPdLlnxJyDdYB62sbbUKpLbVNhyYFzbrrA74YJlh9r079973psed0cvUD4A+4HoCjsA85X0Dfn/RBLBgBDxnQPfAEJgBY+A9gALA4tcbamSzS4xq4FOQAJgCDwV2CPKV8tZAJcAjMMkUe1vX+U+SMhfAJEHasQIWmXNN3abzDwHUrgcRGmYcgKe0bxrblHEB4E/pndMazNpSZGcsZdBlYJcEL9Afo75molJyM2FxmPgmgPqlWNLGfwZGG6UiyEvLzHYDmoPkDDiNm9JR9uboiONcBXrpY1qmgs21x1QwyZcpvxt9NS09PlsPAAAAAElFTkSuQmCC&logoWidth=14" alt="Duplicate Space"></a></p> |
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--> |
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</div> |
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""" |
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) |
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with gr.Column(scale=100): |
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with gr.Group(visible=False): |
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model_name = gr.Dropdown( |
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label="Model", |
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choices=[m.name for m in models], |
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value=models[0].name, |
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visible=False |
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) |
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with gr.Row(elem_id="prompt-container"): |
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with gr.Column(): |
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prompt = gr.Textbox( |
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label="Enter your prompt", |
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show_label=False, |
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max_lines=1, |
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placeholder="Enter your prompt", |
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elem_id="prompt-text-input", |
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container=False, |
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) |
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neg_prompt = gr.Textbox( |
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label="Enter your negative prompt", |
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show_label=False, |
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max_lines=1, |
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placeholder="Enter a negative prompt", |
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elem_id="negative-prompt-text-input", |
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container=False, |
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) |
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generate = gr.Button("Generate image", scale=0) |
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with gr.Accordion("Advanced Options", open=False): |
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with gr.Group(): |
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with gr.Row(): |
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guidance = gr.Slider( |
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label="Guidance scale", value=7.5, maximum=15 |
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) |
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steps = gr.Slider( |
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label="Steps", |
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value=current_steps, |
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minimum=2, |
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maximum=75, |
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step=1, |
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) |
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seed = gr.Slider( |
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0, 2147483647, label="Seed (0 = random)", value=0, step=1 |
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) |
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with gr.Column(scale=100): |
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with gr.Row(): |
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with gr.Column(scale=75): |
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up_res_image = gr.Image(label="Upscaled 1024px Image", width=1024, height=1024) |
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with gr.Column(scale=25): |
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low_res_image = gr.Image(label="Original 512px Image", width=512, height=512) |
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error_output = gr.Markdown() |
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inputs = [ |
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prompt, |
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neg_prompt, |
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guidance, |
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steps, |
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seed, |
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model_name, |
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] |
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outputs = [low_res_image, up_res_image, error_output] |
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prompt.submit(inference, inputs=inputs, outputs=outputs) |
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generate.click(inference, inputs=inputs, outputs=outputs) |
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ex = gr.Examples( |
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[ |
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["a mecha robot in a favela", "low quality", 7.5, 25, 33, models[0].name], |
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["the spirit of a tamagotchi wandering in the city of Paris", "low quality, bad render", 7.5, 50, 85, models[0].name], |
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], |
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inputs=[prompt, neg_prompt, guidance, steps, seed, model_name], |
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outputs=outputs, |
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fn=inference, |
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cache_examples=True, |
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) |
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ex.dataset.headers = [""] |
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gr.HTML( |
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""" |
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<div style="border-top: 1px solid #303030;"> |
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<br> |
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<p>Space by 🤗 Hugging Face, models by Stability AI, andite, linaqruf and others ❤️</p> |
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<p>This space uses the <a href="https://github.com/LuChengTHU/dpm-solver">DPM-Solver++</a> sampler by <a href="https://arxiv.org/abs/2206.00927">Cheng Lu, et al.</a>.</p> |
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<p>This is a Demo Space For:<br> |
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<a href="https://huggingface.co/stabilityai/sd-x2-latent-upscaler">Stability AI's Latent Upscaler</a> |
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</div> |
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""" |
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) |
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print(f"Space built in {time.time() - start_time:.2f} seconds") |
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demo.queue(api_open=False) |
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demo.launch(show_api=False) |
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