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| import gradio as gr | |
| from transformers import ( | |
| AutoTokenizer, | |
| AutoModelForSeq2SeqLM, | |
| AutoProcessor, | |
| AutoModelForDocumentQuestionAnswering, | |
| ) | |
| from transformers import pipeline | |
| tokenizer_ru2en = AutoTokenizer.from_pretrained("Helsinki-NLP/opus-mt-ru-en") | |
| model_ru2en = AutoModelForSeq2SeqLM.from_pretrained("Helsinki-NLP/opus-mt-ru-en") | |
| tokenizer_en2ru = AutoTokenizer.from_pretrained("Helsinki-NLP/opus-mt-en-ru") | |
| model_en2ru = AutoModelForSeq2SeqLM.from_pretrained("Helsinki-NLP/opus-mt-en-ru") | |
| git_processor_base = AutoProcessor.from_pretrained("microsoft/layoutlmv2-base-uncased") | |
| image_processor = git_processor_base.image_processor | |
| def preprocess_image(image): | |
| """Преобразуем изображение для модели""" | |
| image_rgb = image.convert("RGB") | |
| return image_processor([image_rgb]).pixel_values | |
| def translate_ru2en(text): | |
| inputs = tokenizer_ru2en(text, return_tensors="pt") | |
| outputs = model_ru2en.generate(**inputs) | |
| translated_text = tokenizer_ru2en.decode(outputs[0], skip_special_tokens=True) | |
| return translated_text | |
| def translate_en2ru(text): | |
| inputs = tokenizer_en2ru(text, return_tensors="pt") | |
| outputs = model_en2ru.generate(**inputs) | |
| translated_text = tokenizer_en2ru.decode(outputs[0], skip_special_tokens=True) | |
| return translated_text | |
| def generate_answer_git(image, question): | |
| qa_pipeline = pipeline( | |
| "document-question-answering", | |
| model="andgrt/layoutlmv2-base-uncased_finetuned_docvqa", | |
| ) | |
| return qa_pipeline(preprocess_image(image), question)[0]["answer"] | |
| # pixel_values, _, _ = preprocess_image(image) | |
| # input_ids = processor(text=question, add_special_tokens=False).input_ids | |
| # input_ids = [processor.tokenizer.cls_token_id] + input_ids | |
| # input_ids = torch.tensor(input_ids).unsqueeze(0).to(device) | |
| # generated_ids = model.generate( | |
| # pixel_values=pixel_values, input_ids=input_ids, max_length=50 | |
| # ) | |
| # generated_answer = processor.batch_decode(generated_ids, skip_special_tokens=True) | |
| # return generated_answer[0] | |
| def generate_answer(image, question): | |
| question_en = translate_ru2en(question) | |
| print(f"Вопрос на английском: {question_en}") | |
| answer_en = generate_answer_git(image, question_en) | |
| print(f"Ответ на английском: {answer_en}") | |
| answer_ru = translate_en2ru(answer_en) | |
| return answer_ru | |
| examples = [ | |
| ["doc.png", "О чем данный документ?"], | |
| ] | |
| interface = gr.Interface( | |
| fn=generate_answer, | |
| inputs=[ | |
| gr.Image(type="pil"), | |
| gr.Textbox(label="Вопрос (на русском)", placeholder="Ваш вопрос"), | |
| ], | |
| outputs=gr.Textbox(label="Ответ (на русском)"), | |
| examples=examples, | |
| title="Демо визуального ответчика на вопросы (на русском)", | |
| description=( | |
| "Gradio демо для модели doc-qa с переводом вопросов и ответов" | |
| "на русский язык. Загрузите изображение и задайте вопрос, чтобы" | |
| "получить ответ. Вы также можете использовать голосовой ввод!" | |
| ), | |
| allow_flagging="never", | |
| ) | |
| interface.launch(debug=True, share=True) | |