morthens commited on
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67ce17d
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1 Parent(s): 5a8a6ea

handler.py creation

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  1. .gitattributes +0 -35
  2. handler.py +62 -0
  3. requirements.txt +3 -0
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handler.py ADDED
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+ from typing import Dict, Any
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+ import torch
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+ from transformers import AutoProcessor, Qwen2VLForConditionalGeneration
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+ from PIL import Image
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+ import requests
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+ from io import BytesIO
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+
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+ # Check for GPU
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+ device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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+
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+ class EndpointHandler:
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+ def __init__(self, path: str = "morthens/qwen2-vl-inference"):
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+ # Load the processor and model
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+ self.processor = AutoProcessor.from_pretrained(path)
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+ self.model = Qwen2VLForConditionalGeneration.from_pretrained(
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+ path,
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+ torch_dtype="auto",
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+ device_map="auto"
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+ )
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+ # Move the model to the appropriate device
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+ self.model.to(device)
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+
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+ def __call__(self, data: Dict[str, Any]) -> Dict[str, Any]:
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+ # Extract the input data
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+ image_url = data.get("image_url", "")
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+ text = data.get("text", "")
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+
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+ # Load the image from the URL
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+ try:
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+ response = requests.get(image_url)
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+ response.raise_for_status()
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+ image = Image.open(BytesIO(response.content))
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+ except Exception as e:
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+ return {"error": f"Failed to fetch or process image: {str(e)}"}
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+
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+ # Preprocess the input
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+ inputs = self.processor(
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+ text=[text],
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+ images=[image],
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+ padding=True,
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+ return_tensors="pt"
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+ )
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+
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+ # Move inputs to the correct device
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+ inputs = {key: value.to(device) for key, value in inputs.items()}
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+
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+ # Perform inference
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+ output_ids = self.model.generate(
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+ **inputs,
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+ max_new_tokens=128
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+ )
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+
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+ # Decode the output
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+ output_text = self.processor.batch_decode(
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+ output_ids,
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+ skip_special_tokens=True,
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+ clean_up_tokenization_spaces=True
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+ )[0]
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+
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+ # Return the raw prediction
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+ return {"prediction": output_text}
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+
requirements.txt ADDED
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+ transformers==4.45.0
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+ optimum
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+ auto_gptq