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| import gradio as gr | |
| from transformers import ( | |
| AutoTokenizer, | |
| AutoModelForSeq2SeqLM, | |
| AutoProcessor, | |
| AutoModelForDocumentQuestionAnswering, | |
| pipeline, | |
| ) | |
| import torch | |
| import numpy as np | |
| processor = AutoProcessor.from_pretrained( | |
| "andgrt/layoutlmv2-base-uncased_finetuned_docvqa" | |
| ) | |
| model = AutoModelForDocumentQuestionAnswering.from_pretrained( | |
| "andgrt/layoutlmv2-base-uncased_finetuned_docvqa" | |
| ) | |
| 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") | |
| # Load the speech recognition model | |
| transcriber = pipeline("automatic-speech-recognition", model="openai/whisper-base.en") | |
| # Functions for translation | |
| 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 | |
| # Function to generate answers | |
| def generate_answer_git(image, question): | |
| with torch.no_grad(): | |
| encoding = processor( | |
| images=image, | |
| text=question, | |
| return_tensors="pt", | |
| max_length=512, | |
| truncation=True, | |
| ) | |
| outputs = model(**encoding) | |
| start_logits = outputs.start_logits | |
| end_logits = outputs.end_logits | |
| predicted_start_idx = start_logits.argmax(-1).item() | |
| predicted_end_idx = end_logits.argmax(-1).item() | |
| return processor.tokenizer.decode( | |
| encoding.input_ids.squeeze()[predicted_start_idx : predicted_end_idx + 1] | |
| ) | |
| 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 | |
| def transcribe(stream, new_chunk): | |
| sr, y = new_chunk | |
| # Convert to mono if stereo | |
| if y.ndim > 1: | |
| y = y.mean(axis=1) | |
| y = y.astype(np.float32) | |
| y /= np.max(np.abs(y)) | |
| if stream is not None: | |
| stream = np.concatenate([stream, y]) | |
| else: | |
| stream = y | |
| return stream, transcriber({"sampling_rate": sr, "raw": stream})["text"] | |
| # Gradio Interface | |
| interface = gr.Interface( | |
| fn=generate_answer, | |
| inputs=[ | |
| gr.Image(type="pil"), | |
| gr.Textbox(label="Вопрос (на русском)", placeholder="Ваш вопрос"), | |
| gr.Audio(source="microphone", streaming=True, label="Голосовой ввод"), | |
| ], | |
| outputs=gr.Textbox(label="Ответ (на русском)"), | |
| examples=[["doc.png", "О чем данный документ?"]], | |
| 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!" | |
| ), | |
| live=True, | |
| ) | |
| interface.launch(debug=True, share=True) | |