Rename Download Book File Name

rename_book_file.py

import re
import os

def parse_filename(filename):
    # Remove the URL at the start
    cleaned_filename = re.sub(r'^_.*?_', '', filename)
    
    # Split the remaining string into title and author
    parts = cleaned_filename.rsplit('_-_', 1)
    
    if len(parts) == 2:
        title = parts[0].replace('_', ' ')
        author = parts[1].replace('_', ' ')
        return title, author
    else:
        return None, None

def rename_files_in_directory(directory_path):
    for filename in os.listdir(directory_path):
        if os.path.isfile(os.path.join(directory_path, filename)):
            title, author = parse_filename(filename)
            if title and author:
                new_filename = f"{title}, {author}"
                os.rename(
                    os.path.join(directory_path, filename),
                    os.path.join(directory_path, new_filename)
                )

# Example usage
directory_path = '/Users/maxwell/Downloads'
rename_files_in_directory(directory_path)