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app.py
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import torch
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import gradio as gr
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from diffusers import StableDiffusionControlNetPipeline, ControlNetModel
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from PIL import Image
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DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
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# Load ControlNet
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controlnet = ControlNetModel.from_pretrained(
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"Qistinasofea/controlnet-floorplan",
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torch_dtype=torch.float16 if DEVICE == "cuda" else torch.float32,
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)
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# Load Pipeline
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pipe = StableDiffusionControlNetPipeline.from_pretrained(
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"stable-diffusion-v1-5/stable-diffusion-v1-5",
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controlnet=controlnet,
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torch_dtype=torch.float16 if DEVICE == "cuda" else torch.float32,
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safety_checker=None,
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)
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pipe = pipe.to(DEVICE)
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def generate(image, prompt):
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if image is None:
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return None
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image = image.resize((512, 512))
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result = pipe(
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prompt=prompt,
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image=image,
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num_inference_steps=20, # keep low for CPU
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controlnet_conditioning_scale=1.0,
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)
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return result.images[0]
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demo = gr.Interface(
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fn=generate,
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inputs=[
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gr.Image(type="pil", label="Upload Colored Segmentation"),
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gr.Textbox(label="Describe Your Floorplan", value="A residential floorplan with multiple rooms"),
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],
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outputs=gr.Image(type="pil", label="Generated Floorplan"),
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title="🏠 ControlNet Floorplan Generator",
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description="Upload a colored segmentation image and describe your floorplan. Running on CPU (~30s per generation).",
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)
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demo.launch()
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