HJIMI PDF Processor

PDF Processor is a powerful PDF file processing toolkit that provides various PDF file manipulation functions.

Main Features

1. PDF File Splitting

   • Split by file size
   • Split by page count
   • Split by bookmarks (supports first-level bookmarks)

2. PDF File Merging

   • Support merging multiple PDF files
   • Maintain original page content and format
   • Error handling and logging

3. PDF File Information

   • Get total page count
   • Filename normalization

Features

• Easy to use: Provides intuitive static method interfaces
• Flexible configuration: Supports custom split sizes and page counts
• Error handling: Comprehensive exception handling and error messages
• File safety: Automatic temporary file cleanup

Requirements

• Python 3.8 or higher
• PyPDF2 3.0.0 or higher

Installation

pip install hjimi-pdf-processor

Import

from hjimi_pdf_processor import PDFProcessor

Usage Examples

1. Get PDF Page Count

# Get single file page count
page_count = PDFProcessor.get_pdf_page_count("document.pdf")
print(f"PDF pages: {page_count}")

# Get multiple file page counts
pdf_files = ["doc1.pdf", "doc2.pdf", "doc3.pdf"]
for file in pdf_files:
    count = PDFProcessor.get_pdf_page_count(file)
    print(f"{file} pages: {count}")

2. Split PDF Files

# Split by page count
PDFProcessor.split_pdf_by_pages("large_doc.pdf", pages_per_split=10)

# Split by file size (in KB)
PDFProcessor.split_pdf_by_size("large_doc.pdf", max_size_kb=1024)

# Split by bookmarks
PDFProcessor.split_pdf_by_bookmarks("book.pdf")

3. Merge PDF Files

# Merge multiple PDF files
pdf_files = ["chapter1.pdf", "chapter2.pdf", "chapter3.pdf"]
PDFProcessor.merge_pdfs(pdf_files, "merged_document.pdf")

Use Cases

1. File Splitting

   • Split large PDF files for easier transmission
   • Split textbooks or documents by chapters (bookmarks)
   • Split documents by fixed page count for printing

2. File Merging

   • Merge multiple scanned documents
   • Combine report or article sections
   • Integrate multiple PDF files into a single document

3. File Processing

   • Batch retrieve PDF file information
   • Normalize PDF filenames
   • Control PDF file sizes

API Documentation

PDFProcessor Class Methods

1. sanitize_filename(filename: str) -> str

Cleans illegal characters from filenames.

• Parameters:
  • filename: Original filename
• Returns: Cleaned legal filename
• Usage: Handles filenames containing special characters, replacing illegal characters with underscores

2. get_pdf_page_count(file_path: str) -> int

Gets the total page count of a PDF file.

• Parameters:
  • file_path: PDF file path
• Returns: Total PDF pages, None if error occurs
• Exception Handling: Catches and prints file reading errors

3. split_pdf_by_size(input_file: str, max_size_kb: int) -> None

Splits PDF file by size.

• Parameters:
  • input_file: Input PDF file path
  • max_size_kb: Maximum size for each split file (KB)
• Output Format: original_filename_part_number.pdf
• Features: Auto-cleans temporary files, displays real-time progress

4. split_pdf_by_pages(input_file: str, pages_per_split: int) -> None

Splits PDF file by page count.

• Parameters:
  • input_file: Input PDF file path
  • pages_per_split: Pages per split file
• Output Format: original_filename_part_number.pdf
• Features: Shows split progress and page ranges

5. split_pdf_by_bookmarks(input_file: str) -> None

Splits PDF file by first-level bookmarks.

• Parameters:
  • input_file: Input PDF file path
• Output Format: original_filename_part_number_bookmark_name.pdf
• Limitations: Only supports first-level bookmark splitting
• Features: Automatically handles illegal characters in bookmark names

6. merge_pdfs(pdf_files: List[str], output_path: str) -> None

Merges multiple PDF files.

• Parameters:
  • pdf_files: List of PDF file paths
  • output_path: Output file path
• Features:
  • Maintains original page content and format
  • Single file failure doesn't affect overall merge
  • Detailed error logging

Notes

1. File Operations

   • Ensure sufficient disk space
   • Keep original file backups
   • Be aware of filename conflicts

2. Performance Considerations

   • Large file processing may take time
   • Test with small files first
   • Monitor memory usage

3. Limitations

   • Does not support encrypted PDF files
   • Only supports first-level bookmark splitting
   • Some special PDF formats may not be compatible

License

MIT License

Contact

• Author: wenquanshan
• Email: wenquanshan@sximi.com
• Project Homepage: https://github.com/zidanewenqsh/pdf_processor
• Issue Tracking: https://github.com/zidanewenqsh/pdf_processor/issues

Contributing

We welcome issue reports and feature suggestions. To contribute code:

1. Fork the repository
2. Create your feature branch
3. Commit your changes
4. Ensure all tests pass
5. Submit a pull request

Changelog

v0.1.2

• Fixed package structure and import path
• Renamed source directory to match package name
• Updated project configuration for correct package naming

v0.1.1

• Fixed package import statement in documentation
• Updated package name to hjimi_pdf_processor
• Improved documentation structure

v0.1.0

• Initial release
• Implemented basic PDF splitting and merging functions
• Added file information retrieval features