Upload 5 files
Browse files- .gitattributes +35 -35
- Dockerfile +18 -20
- README.md +13 -20
- app.py.txt +73 -0
- requirements.txt.txt +4 -0
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Dockerfile
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FROM python:3.
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COPY
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ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
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FROM python:3.10-slim
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# Создаём непривилегированного пользователя (требование Hugging Face)
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RUN useradd -m -u 1000 user
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USER user
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ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH
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# Устанавливаем рабочую директорию
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WORKDIR $HOME/app
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# Копируем все файлы из текущей папки в контейнер
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COPY --chown=user . $HOME/app
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# Устанавливаем зависимости Python
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RUN pip install --no-cache-dir -r requirements.txt
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# Запускаем Streamlit на порту 7860 (этот порт ожидает Hugging Face)
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CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]
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README.md
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---
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title:
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emoji:
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colorFrom:
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colorTo:
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sdk: docker
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# Welcome to Streamlit!
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Edit `/src/streamlit_app.py` to customize this app to your heart's desire. :heart:
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If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community
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forums](https://discuss.streamlit.io).
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---
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title: English OCR App
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emoji: 🔤
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colorFrom: blue
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colorTo: indigo
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sdk: docker
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app_file: app.py
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pinned: false
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---
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# English OCR with LightOnOCR
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Upload an image containing English text, and the model will extract it.
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app.py.txt
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import io
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import os
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import streamlit as st
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import torch
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from PIL import Image
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from transformers import AutoProcessor, AutoModelForSeq2SeqLM
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# --- Настройка кэша для модели (чтобы не скачивать при каждом запуске) ---
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# Hugging Face Spaces даёт нам постоянную папку /data, если включить Persistent Storage.
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# Если /data существует, используем её, иначе временную папку /tmp.
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CACHE_DIR = "/data/.huggingface" if os.path.exists("/data") else "/tmp/.huggingface"
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os.makedirs(CACHE_DIR, exist_ok=True)
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# --- Функция загрузки модели с кэшированием через Streamlit ---
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@st.cache_resource # Эта декорация сохраняет модель в памяти между запусками
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def load_model():
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model_name = "lightonai/LightOnOCR-1B-1025"
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# Определяем, есть ли GPU (CUDA)
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device = "cuda" if torch.cuda.is_available() else "cpu"
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st.write(f"Using device: {device}") # Для отладки в логах
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# Загружаем процессор (преобразует изображение в тензоры) и модель
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processor = AutoProcessor.from_pretrained(model_name, cache_dir=CACHE_DIR)
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model = AutoModelForSeq2SeqLM.from_pretrained(model_name, cache_dir=CACHE_DIR)
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model = model.to(device) # Перемещаем модель на GPU/CPU
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return processor, model, device
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# --- Интерфейс загрузки изображения ---
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def load_image():
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uploaded_file = st.file_uploader(
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'Выберите изображение с английским текстом',
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type=['png', 'jpg', 'jpeg']
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)
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if uploaded_file is not None:
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# Читаем байты и показываем картинку
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image_data = uploaded_file.getvalue()
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st.image(image_data, use_column_width=True)
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# Конвертируем в RGB (на всякий случай)
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return Image.open(io.BytesIO(image_data)).convert('RGB')
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return None
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# --- Заголовок приложения ---
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st.title('🇬🇧 Распознавание английского текста (LightOnOCR)')
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# --- Загружаем модель (один раз) ---
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with st.spinner('Загрузка модели... Это может занять 1-2 минуты при первом запуске'):
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processor, model, device = load_model()
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# --- Загружаем изображение ---
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img = load_image()
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# --- Кнопка распознавания ---
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if st.button('Распознать текст') and img is not None:
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with st.spinner('Распознавание...'):
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# Преобразуем изображение в формат, понятный модели
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inputs = processor(images=img, return_tensors="pt").to(device)
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# Генерируем текст (без вычисления градиентов, чтобы экономить память)
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with torch.no_grad():
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generated_ids = model.generate(
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**inputs,
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max_new_tokens=512, # Максимум символов на выходе
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do_sample=False, # Детерминированный режим (лучше для OCR)
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num_beams=1
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)
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# Декодируем ID токенов обратно в строку
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generated_text = processor.batch_decode(generated_ids, skip_special_tokens=True)[0]
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st.success('✅ Распознано!')
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st.markdown('**📝 Текст на изображении:**')
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st.markdown(f'`{generated_text}`')
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requirements.txt.txt
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streamlit
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torch
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transformers
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pillow
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