86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
#!/usr/bin/env python
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# coding: utf-8
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from transformers import DonutProcessor, VisionEncoderDecoderModel, VisionEncoderDecoderConfig
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from datasets import load_dataset
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import re
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import json
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import torch
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from tqdm.auto import tqdm
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import numpy as np
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import pandas as pd
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from donut import JSONParseEvaluator
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import argparse
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from sconf import Config
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def main(config):
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config_vision = VisionEncoderDecoderConfig.from_pretrained(config.pretrained_model_path)
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config_vision.encoder.image_size = [1920, 2560] # (height, width)
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config_vision.decoder.max_length = 768
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processor = DonutProcessor.from_pretrained(config.pretrained_processor_path)
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model = VisionEncoderDecoderModel.from_pretrained(config.pretrained_model_path, config=config_vision)
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dataset = load_dataset(config.validation_dataset_path, split=config.validation_dataset_split)
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device = "cuda" if torch.cuda.is_available() else "cpu"
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model.eval()
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model.to(device)
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output_list = []
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accs = []
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for idx, sample in tqdm(enumerate(dataset), total=len(dataset)):
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# prepare encoder inputs
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pixel_values = processor(sample['image'].convert("RGB"), return_tensors="pt").pixel_values
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pixel_values = pixel_values.to(device)
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# prepare decoder inputs
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task_prompt = "<s_cord-v2>"
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decoder_input_ids = processor.tokenizer(task_prompt, add_special_tokens=False, return_tensors="pt").input_ids
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decoder_input_ids = decoder_input_ids.to(device)
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# autoregressively generate sequence
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outputs = model.generate(
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pixel_values,
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decoder_input_ids=decoder_input_ids,
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max_length=model.decoder.config.max_position_embeddings,
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early_stopping=True,
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pad_token_id=processor.tokenizer.pad_token_id,
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eos_token_id=processor.tokenizer.eos_token_id,
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use_cache=True,
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num_beams=1,
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bad_words_ids=[[processor.tokenizer.unk_token_id]],
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return_dict_in_generate=True,
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)
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# turn into JSON
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seq = processor.batch_decode(outputs.sequences)[0]
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seq = seq.replace(processor.tokenizer.eos_token, "").replace(processor.tokenizer.pad_token, "")
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seq = re.sub(r"<.*?>", "", seq, count=1).strip() # remove first task start token
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seq = processor.token2json(seq)
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if config.has_metadata:
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ground_truth = json.loads(sample["ground_truth"])
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ground_truth = ground_truth["gt_parse"]
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evaluator = JSONParseEvaluator()
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score = evaluator.cal_acc(seq, ground_truth)
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accs.append(score)
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if config.print_output:
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print(seq)
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output_list.append(seq)
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if config.output_file_dir:
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df = pd.DataFrame(map(lambda x: x.get('text_sequence', ''), output_list))
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df.to_csv(f'{config.output_file_dir}/{config.test_name}-out.tsv', sep='\t', header=False, index=False)
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if config.has_metadata:
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scores = {"accuracies": accs, "mean_accuracy": np.mean(accs)}
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print(scores, f"length : {len(accs)}")
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print("Mean accuracy:", np.mean(accs))
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("--config", type=str, required=True)
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args, left_argv = parser.parse_known_args()
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config = Config(args.config)
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config.argv_update(left_argv)
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main(config)
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