Spaces:
Runtime error
Runtime error
import re | |
import json | |
import torch | |
import numpy as np | |
import gradio as gr | |
from PIL import Image | |
from transformers import DonutProcessor, VisionEncoderDecoderModel | |
auth_tok="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" | |
def demo_process(input_img): | |
global processor, pretrained_model, task_prompt, task_name | |
input_img = Image.fromarray(input_img) | |
# prepare encoder inputs | |
pixel_values = processor(input_img.convert("RGB"), return_tensors="pt").pixel_values | |
pixel_values = pixel_values.to(device) | |
# prepare decoder inputs | |
task_prompt = "<s_lotoquine>" | |
decoder_input_ids = processor.tokenizer(task_prompt, add_special_tokens=False, return_tensors="pt").input_ids | |
decoder_input_ids = decoder_input_ids.to(device) | |
# autoregressively generate sequence | |
outputs = pretrained_model.generate( | |
pixel_values, | |
decoder_input_ids=decoder_input_ids, | |
max_length=pretrained_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, | |
) | |
# turn into JSON | |
seq = processor.batch_decode(outputs.sequences)[0] | |
seq = seq.replace(processor.tokenizer.eos_token, "").replace(processor.tokenizer.pad_token, "") | |
seq = re.sub(r"<.*?>", "", seq, count=1).strip() # remove first task start token | |
seq = processor.token2json(seq) | |
return seq | |
processor = DonutProcessor.from_pretrained("Aigle974/donut-lotoquine",use_auth_token=auth_tok) | |
pretrained_model = VisionEncoderDecoderModel.from_pretrained("Aigle974/donut-lotoquine",use_auth_token=auth_tok) | |
processor.feature_extractor.do_align_long_axis = True | |
device ="cuda" if torch.cuda.is_available() else "cpu" | |
pretrained_model.to(device) | |
pretrained_model.eval() | |
demo = gr.Interface( | |
fn=demo_process, | |
inputs="image", | |
outputs="json", | |
title=f"Lotoquine Automatic Extraction by Fab", | |
) | |
demo.launch() |