convert_pdf_to_pdf.py

import glob
import os
import zipfile
import img2pdf
from PIL import Image

# 電子書籍自炊のためのスクリプト
# .cbzをkindleに読み込ませる方法がわからなかったので.pdfに変換
# .cbzより.pdfのほうが画質がいいのでおすすめ

def create_pdf():
    # convert_cbz_to_zip()
    # unzip()
    jpeg_to_pdf()

def convert_cbz_to_zip():
    files = glob.glob('./*.cbz')
    for file in files:
        os.rename(file, file.replace('.cbz', '.zip'))

def unzip():
    files = glob.glob('./*.zip')
    for file in files:
        with zipfile.ZipFile(file) as f:
            f.extractall('.')

def jpeg_to_pdf():
    files = os.listdir('.')
    dirs = [f for f in files if os.path.isdir(os.path.join('.', f))]
    for dir in dirs:
        with open(dir + '.pdf', "wb") as f:
            jpeg_Folder = dir + "/"
            extension = '.jpeg'
            jpeg_files = [Image.open(jpeg_Folder + j).filename for j in os.listdir(jpeg_Folder) if j.endswith(extension)]
            jpeg_files.sort()
            f.write(img2pdf.convert(jpeg_files))


if __name__ == '__main__':
    create_pdf()