Create handler.py
Browse files- handler.py +48 -0
handler.py
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from typing import Dict
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import torch
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from diffusers import StableDiffusionXLPipeline
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from io import BytesIO
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import base64
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class EndpointHandler:
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def __init__(self, path: str = ""):
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print(f"Initializing SDXL model from: {path}")
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# Base SDXL Model
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self.pipe = StableDiffusionXLPipeline.from_pretrained(
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"stabilityai/stable-diffusion-xl-base-1.0",
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torch_dtype=torch.float16,
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variant="fp16"
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)
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print("Loading LoRA weights from: Texttra/Bh0r")
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self.pipe.load_lora_weights("Texttra/Bh0r", weight_name="Bh0r-10.safetensors")
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self.pipe.fuse_lora()
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self.pipe.to("cuda" if torch.cuda.is_available() else "cpu")
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print("Model ready.")
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def __call__(self, data: Dict) -> Dict:
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print("Received data:", data)
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inputs = data.get("inputs", {})
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prompt = inputs.get("prompt", "")
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print("Extracted prompt:", prompt)
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if not prompt:
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return {"error": "No prompt provided."}
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image = self.pipe(
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prompt,
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num_inference_steps=35,
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guidance_scale=7.0,
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).images[0]
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print("Image generated.")
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buffer = BytesIO()
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image.save(buffer, format="PNG")
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base64_image = base64.b64encode(buffer.getvalue()).decode("utf-8")
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print("Returning image.")
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return {"image": base64_image}
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