Batch creates cbz files for comic book reader from a directory containing directories of jpgs. e.g. downloaded collections using Tachiyomi mobile app.

cbz-from-jpg.py

from typing import List
from zipfile import ZipFile
import glob
import os
from os.path import basename, dirname, exists

# Zip the files from given directory that matches the filter
def zipFilesInDir(dirName, zipFileName, filter):
    print("===Creating CBZ from " + dirName + ": " + zipFileName)
    # create a ZipFile object
    with ZipFile(zipFileName, 'w') as zipObj:
       # Iterate over all the files in directory
        for folderName, subfolders, filenames in os.walk(dirName):
            for filename in filenames:
                if filter(filename):
                    # create complete filepath of file in directory
                    filePath = os.path.join(folderName, filename)
                    # Add file to zip
                    zipObj.write(filePath, basename(filePath))
    zipObj.close()

def main():
    importDirName = '/Volumes/home/Drive/Comics/Tachiyomi Originals'
    exportDirName = '/Volumes/home/Drive/Tachiyomi'

    for (dirpath, dirnames, filenames) in os.walk(importDirName):
        unprocessed = False
        for filename in filenames:
            if filename.endswith('.jpg'):
                unprocessed = True
                break
        if unprocessed:
            exportComicDir = exportDirName + "/" + dirname(dirpath).split('/')[-1]
            if not os.path.exists(exportComicDir):
                os.makedirs(exportComicDir)
            exportfile = exportComicDir + "/" + dirpath.split("/")[-2] + " (" + dirpath.split("/")[-1] + ').cbz'
            # if not exists(exportfile):
            print('*** Create a zip archive of only jpg files form a directory ***')
            zipFilesInDir(dirpath, exportfile, lambda name : 'jpg' in name)


"""
    dirName = '/Volumes/home/Drive/Comics/Tachiyomi/'
    fileslist = list()
    for (dirpath, dirnames, filenames) in os.walk(dirName):
        unprocessed = False
        fileslist += [os.path.join(dirpath, file) for file in filenames if file.endswith('.cbz') == False]
        for filename in filenames:
            if filename.endswith('.jpg'):
                unprocessed = True
                break

        if unprocessed:
            print('*** Create a zip archive of only jpg files form a directory ***')
            zipFilesInDir(dirpath, dirpath + "/" + dirpath.replace(dirName,"").replace("/"," (") + ').cbz', lambda name : 'jpg' in name)

    # Iterate over the list of filepaths & remove each file.
    for file in fileslist:
        try:
            print("Delete " + file)
            os.remove(file)
        except:
            print("Error while deleting file : ", file)
"""

if __name__ == '__main__':
   main()