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import re
import gradio as gr
import gradio_theme
import torch
from transformers import DonutProcessor, VisionEncoderDecoderModel
import multiprocessing
processor = DonutProcessor.from_pretrained("naver-clova-ix/donut-base-finetuned-cord-v2")
model = VisionEncoderDecoderModel.from_pretrained("naver-clova-ix/donut-base-finetuned-cord-v2")
device = "cuda" if torch.cuda.is_available() else "cpu"
model.to(device)
# Number of threads
# Set the number of threads you want to use
desired_num_threads = multiprocessing.cpu_count() # Change this value as needed
torch.set_num_threads(desired_num_threads)
def process_document(image):
# prepare encoder inputs
pixel_values = processor(image, return_tensors="pt").pixel_values
# prepare decoder inputs
task_prompt = "<s_cord-v2>"
decoder_input_ids = processor.tokenizer(task_prompt, add_special_tokens=False, return_tensors="pt").input_ids
# generate answer
outputs = model.generate(
pixel_values.to(device),
decoder_input_ids=decoder_input_ids.to(device),
max_length=model.decoder.config.max_position_embeddings,
early_stopping=True,
pad_token_id=processor.tokenizer.pad_token_id,
eos_token_id=processor.tokenizer.eos_token_id,
use_cache=True,
num_beams=1,
bad_words_ids=[[processor.tokenizer.unk_token_id]],
return_dict_in_generate=True,
)
# postprocess
sequence = processor.batch_decode(outputs.sequences)[0]
sequence = sequence.replace(processor.tokenizer.eos_token, "").replace(processor.tokenizer.pad_token, "")
sequence = re.sub(r"<.*?>", "", sequence, count=1).strip() # remove first task start token
return processor.token2json(sequence)
#description = "Clip AI: Check Understanding"
#article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2111.15664' target='_blank'>Donut: OCR-free Document Understanding Transformer</a> | <a href='https://github.com/clovaai/donut' target='_blank'>Github Repo</a></p>"
demo = gr.Interface(
fn=process_document,
inputs="image",
outputs="json",
#title="Prueba nuestra API",
#description=description,
#article=article,
enable_queue=True,
#examples=[["example.png"], ["example_2.png"], ["example_3.png"]],
cache_examples=False,
theme=gradio_theme.theme
)
demo.launch() |