Update Main.py
Browse files
Main.py
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@@ -5,7 +5,7 @@ import torch
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from transformers import LightOnOcrForConditionalGeneration, LightOnOcrProcessor
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from PIL import Image
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# Ускоряем скачивание
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os.environ["HF_HUB_ENABLE_HF_TRANSFER"] = "1"
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st.set_page_config(
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@@ -15,22 +15,22 @@ st.set_page_config(
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initial_sidebar_state="expanded"
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)
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# Простой CSS
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st.markdown("""
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<style>
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""", unsafe_allow_html=True)
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@st.cache_resource(show_spinner="⏳ Загрузка модели LightOnOCR-1B-1025...\n
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def load_model():
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model_name = "lightonai/LightOnOCR-1B-1025"
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@@ -44,21 +44,12 @@ def load_model():
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).to(device)
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processor = LightOnOcrProcessor.from_pretrained(model_name)
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return processor, model, device, dtype
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# ====================== Заголовок ======================
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st.markdown('<div class="header-emoji">📄✨</div>', unsafe_allow_html=True)
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st.title("LightOnOCR")
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st.markdown("**Распознавание текста с изображений**")
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st.caption("Модель: lightonai/LightOnOCR-1B-1025")
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processor
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# ====================== Загрузка изображения ======================
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def load_image():
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uploaded_file = st.file_uploader(
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"📸 Загрузите изображение (png, jpg, jpeg, webp)",
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@@ -70,69 +61,84 @@ def load_image():
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return Image.open(io.BytesIO(image_data)).convert('RGB')
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return None
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img = load_image()
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# ====================
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if st.button("🔍 Распознать текст", use_container_width=True, type="primary"):
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if img is None:
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st.error("Сначала загрузите изображение")
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else:
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with st.spinner("Распознавание текста... (
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#
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conversation = [
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{
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"role": "user",
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"content": [
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{"type": "image"},
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{"type": "text", "text": "Extract all the text from this image
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]
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}
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]
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# П
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inputs = processor.apply_chat_template(
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conversation,
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add_generation_prompt=True,
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tokenize=True,
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return_dict=True,
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return_tensors="pt"
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# Важно: передаём само PIL-изображение
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images=img
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)
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#
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# Генерация
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output_ids = model.generate(
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**inputs,
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max_new_tokens=2048,
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temperature=0.0,
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num_beams=1,
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pad_token_id=processor.tokenizer.pad_token_id,
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eos_token_id=processor.tokenizer.eos_token_id,
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)
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# Убираем
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prompt_length = inputs["input_ids"].shape[1]
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generated_ids = output_ids[0, prompt_length:]
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generated_text = processor.decode(
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generated_ids,
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skip_special_tokens=True,
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clean_up_tokenization_spaces=True
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).strip()
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#
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st.success("✅ Распознавание завершено!")
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st.markdown('<div class="result-box">', unsafe_allow_html=True)
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st.subheader("📝 Распознанный текст")
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st.code(generated_text, language=None)
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st.markdown('</div>', unsafe_allow_html=True)
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st.download_button(
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from transformers import LightOnOcrForConditionalGeneration, LightOnOcrProcessor
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from PIL import Image
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# Ускоряем скачивание
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os.environ["HF_HUB_ENABLE_HF_TRANSFER"] = "1"
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st.set_page_config(
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initial_sidebar_state="expanded"
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)
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st.markdown("""
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<style>
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.main { background: linear-gradient(180deg, #f8f9fa, #e9f0f7); }
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.header-emoji { font-size: 3.5rem; text-align: center; margin: 15px 0; }
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.result-box {
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background: #ffffff;
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border-radius: 16px;
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padding: 24px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
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border: 1px solid #e5e7eb;
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margin-top: 20px;
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}
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</style>
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""", unsafe_allow_html=True)
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@st.cache_resource(show_spinner="⏳ Загрузка модели LightOnOCR-1B-1025...\n(2–6 минут при первом запуске)")
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def load_model():
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model_name = "lightonai/LightOnOCR-1B-1025"
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).to(device)
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processor = LightOnOcrProcessor.from_pretrained(model_name)
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if processor.tokenizer.pad_token is None:
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processor.tokenizer.pad_token = processor.tokenizer.eos_token
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return processor, model, device, dtype
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def load_image():
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uploaded_file = st.file_uploader(
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"📸 Загрузите изображение (png, jpg, jpeg, webp)",
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return Image.open(io.BytesIO(image_data)).convert('RGB')
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return None
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# ==================== Интерфейс ====================
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st.markdown('<div class="header-emoji">📄✨</div>', unsafe_allow_html=True)
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st.title("LightOnOCR")
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st.markdown("**Распознавание текста с изображений**")
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st.caption("Модель: lightonai/LightOnOCR-1B-1025")
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processor, model, device, dtype = load_model()
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with st.sidebar:
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st.success(f"✅ Модель загружена на **{device.upper()}**")
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img = load_image()
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# ==================== Распознавание ====================
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if st.button("🔍 Распознать текст", use_container_width=True, type="primary"):
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if img is None:
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st.error("Сначала загрузите изображение")
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else:
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with st.spinner("Распознавание текста... (5–20 сек на CPU)"):
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# Правильный формат разговора (без передачи images здесь)
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conversation = [
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{
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"role": "user",
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"content": [
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{"type": "image"},
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{"type": "text", "text": "Extract all the text from this image accurately. Preserve original formatting, tables, and line breaks as much as possible."}
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]
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}
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]
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# Применяем шаблон чата
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inputs = processor.apply_chat_template(
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conversation,
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add_generation_prompt=True,
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tokenize=True,
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return_dict=True,
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return_tensors="pt"
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)
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# Важно: добавляем pixel_values отдельно
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pixel_values = processor.image_processor(img, return_tensors="pt").pixel_values
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inputs["pixel_values"] = pixel_values.to(device=device, dtype=dtype)
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# Переносим остальные тензоры
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for k, v in inputs.items():
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if isinstance(v, torch.Tensor) and k != "pixel_values":
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inputs[k] = v.to(device=device)
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# Генерация
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output_ids = model.generate(
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**inputs,
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max_new_tokens=2048,
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do_sa
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mple=False,
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temperature=0.0,
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num_beams=1,
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pad_token_id=processor.tokenizer.pad_token_id,
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eos_token_id=processor.tokenizer.eos_token_id,
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)
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# Убираем промпт
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prompt_length = inputs["input_ids"].shape[1]
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generated_ids = output_ids[0, prompt_length:]
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generated_text = processor.decode(
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generated_ids,
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skip_special_tokens=True,
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clean_up_tokenization_spaces=True
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).strip()
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# Результат
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st.success("✅ Распознавание завершено!")
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st.markdown('<div class="result-box">', unsafe_allow_html=True)
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st.subheader("📝 Распознанный текст")
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st.code(generated_text, language=None)
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st.markdown('</div>', unsafe_allow_html=True)
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st.download_button(
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