kindle2pdf.py

# -*- coding: utf-8 -*-
import subprocess
import os

# need to install Calibre e-book mgmt tool dependencies
# https://calibre-ebook.com/
# https://www.epubor.com/calibre-drm-removal-plugins.html

def kindle2pdf(kindle_file, output_directory):
    """
    Convert Kindle ebook to PDF 
    """
    if not os.path.exists(kindle_file):
        raise FileNotFoundError(f"{kindle_file} does not exist.")

    base_name = os.path.splitext(os.path.basename(kindle_file))[0]
    pdf_file = os.path.join(output_directory, base_name + '.pdf')

    # call `ebook-convert` CLI tool from calibre
    try:
        subprocess.run(['ebook-convert', kindle_file, pdf_file], check=True)
    except subprocess.CalledProcessError as e:
        raise RuntimeError(f"Conversion failed: {e}")

    return pdf_file

# Example usage
kindle = 'ebook.azw'
output_dir = './'

pdf = kindle2pdf(kindle, output_dir)
print(f"saved {pdf}")