fa1abcd8e6
Major Features: - Add PDF generation service with Chinese font support - Parse HTML tables from PP-StructureV3 and rebuild with ReportLab - Extract table text for translation purposes - Auto-filter text regions inside tables to avoid overlaps Backend Changes: 1. pdf_generator_service.py (NEW) - HTMLTableParser: Parse HTML tables to extract structure - PDFGeneratorService: Generate layout-preserving PDFs - Coordinate transformation: OCR (top-left) → PDF (bottom-left) - Font size heuristics: 75% of bbox height with width checking - Table reconstruction: Parse HTML → ReportLab Table - Image embedding: Extract bbox from filenames 2. ocr_service.py - Add _extract_table_text() for translation support - Add output_dir parameter to save images to result directory - Extract bbox from image filenames (img_in_table_box_x1_y1_x2_y2.jpg) 3. tasks.py - Update process_task_ocr to use save_results() with PDF generation - Fix download_pdf endpoint to use database-stored PDF paths - Support on-demand PDF generation from JSON 4. config.py - Add chinese_font_path configuration - Add pdf_enable_bbox_debug flag Frontend Changes: 1. PDFViewer.tsx (NEW) - React PDF viewer with zoom and pagination - Memoized file config to prevent unnecessary reloads 2. TaskDetailPage.tsx & ResultsPage.tsx - Integrate PDF preview and download 3. main.tsx - Configure PDF.js worker via CDN 4. vite.config.ts - Add host: '0.0.0.0' for network access - Use VITE_API_URL environment variable for backend proxy Dependencies: - reportlab: PDF generation library - Noto Sans SC font: Chinese character support 🤖 Generated with Claude Code https://claude.com/claude-code Co-Authored-By: Claude <noreply@anthropic.com>
66 lines
1.5 KiB
Plaintext
66 lines
1.5 KiB
Plaintext
# Tool_OCR - Backend Dependencies
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# Python 3.10+
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# ===== Core Framework =====
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fastapi==0.115.0
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uvicorn[standard]==0.32.0
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pydantic==2.9.2
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pydantic-settings==2.6.1
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email-validator>=2.0.0 # For pydantic EmailStr validation
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# ===== OCR Engine =====
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paddleocr>=3.0.0
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# paddlepaddle>=3.0.0 # Installed separately in setup script (GPU/CPU version)
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paddlex[ocr]>=3.0.0 # Required for PP-StructureV3 layout analysis
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# ===== Image Processing =====
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pillow>=10.0.0
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pdf2image>=1.17.0
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opencv-python>=4.8.0
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# ===== PDF Generation =====
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weasyprint>=60.0
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markdown>=3.5.0
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reportlab>=4.0.0 # Layout-preserving PDF generation with precise coordinate control
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# Note: pandoc needs to be installed via brew (brew install pandoc)
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# ===== Data Export =====
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pandas>=2.1.0
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openpyxl>=3.1.0 # Excel support
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# ===== Database =====
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sqlalchemy>=2.0.0
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pymysql>=1.1.0
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alembic>=1.13.0
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# ===== Authentication =====
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python-jose[cryptography]>=3.3.0
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passlib[bcrypt]>=1.7.4
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bcrypt==4.2.1 # Pin to 4.2.1 for passlib compatibility
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python-multipart>=0.0.6
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# ===== Configuration =====
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python-dotenv>=1.0.0
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pyyaml>=6.0
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# ===== HTTP Client =====
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httpx>=0.25.0
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requests>=2.31.0
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# ===== Background Tasks (Optional) =====
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# redis>=5.0.0 # Uncomment if using Redis for task queue
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# celery>=5.3.0 # Uncomment if using Celery
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# ===== Translation (Reserved) =====
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# argostranslate>=1.9.0 # Uncomment when implementing translation
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# ===== Development Tools =====
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pytest>=7.4.0
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pytest-asyncio>=0.21.0
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pytest-cov>=4.1.0
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black>=23.9.0
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pylint>=3.0.0
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# ===== Utilities =====
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python-magic>=0.4.27 # File type detection
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