Upload 2 files (#1)
Browse files- Upload 2 files (a34867944e985374b3bd02de1a7d38662c3c4dca)
- handler.py +41 -0
- requirements.txt +2 -0
handler.py
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from typing import Any, Dict
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from transformers import BlipProcessor, BlipForConditionalGeneration
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from PIL import Image
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from io import BytesIO
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import torch
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device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
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class EndpointHandler():
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def __init__(self, path=""):
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self.model = BlipForConditionalGeneration.from_pretrained("quadranttechnologies/qhub-blip-image-captioning-finetuned").to(device)
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self.processor = BlipProcessor.from_pretrained("quadranttechnologies/qhub-blip-image-captioning-finetuned")
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self.model.eval()
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self.model = self.model.to(device).to(device)
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def __call__(self, data: Any) -> Dict[str, Any]:
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"""
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Args:
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data (:obj:):
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includes the input data and the parameters for the inference.
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Return:
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A :obj:`dict`:. The object returned should be a dict of one list like {"descriptions": ["Description of the image"]} containing :
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- "description": A string corresponding to the generated description.
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"""
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inputs = data.pop("inputs", data)
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parameters = data.pop("parameters", {})
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raw_images = [Image.open(BytesIO(_img)) for _img in inputs]
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processed_image = self.processor(images=raw_images, return_tensors="pt")
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processed_image["pixel_values"] = processed_image["pixel_values"].to(device)
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processed_image = {**processed_image, **parameters}
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with torch.no_grad():
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out = self.model.generate(
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**processed_image
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)
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description = self.processor.batch_decode(out, skip_special_tokens=True)
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return {"description": description}
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requirements.txt
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pillow
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transformers
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