from typing import Dict, List, Any | |
from transformers import TrOCRProcessor, VisionEncoderDecoderModel | |
class PreTrainedPipeline(): | |
def __init__(self, path=""): | |
self.processor = TrOCRProcessor.from_pretrained(path) | |
self.model = VisionEncoderDecoderModel.from_pretrained(path) | |
def __call__(self, data: Dict[str, Any]) -> List[Dict[str, Any]]: | |
image = data.pop("inputs", data) | |
# process image | |
pixel_values = self.processor(images=image, return_tensors="pt").pixel_values | |
# run prediction | |
generated_ids = self.model.generate(pixel_values) | |
# decode output | |
prediction = generated_text = self.processor.batch_decode(generated_ids, skip_special_tokens=True) | |
return {"text":prediction[0]} |