Use this script to scan all files in an input folder : Any file that has the ISBN format name, e.g. 9781803239736.epub etc. will be renamed to the real file name, e.g. ·Microsoft Excel.epub·

PyIsbnFileRename-main.py

# Use this function scans all files in an input folder 
# Any file that has the ISBN format name, e.g.  9781803239736.epub etc.
# will be renamed to the real file name, e.g. ·Microsoft Excel.epub·

# Install dependencies with virtualdev
# ```
# pip install virtualenv
# virtualenv winenv                                            # winenv is any name your like to create
# Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass   # important, winOS only
# pip install -r .\requirements.txt                            # install dependencies
# Python3 ./main.py /Some/InputFolder/ /Some/OutputDire        # or
# Python main.py C:\Temp\ D:\output\ 
# ```

# usage:
# Python3 ./main.py /Some/InputFolder/  /Some/OutputFolder
# Python3 ./main.py /Some/InputFolder/  

# Troubleshooting
# If you don't want to use virutal env, install dependencies manually
#    pip install isbnlib
#    pip install tabulate
#    pip install termcolor
#    pip install pathlib

import os, sys
import isbnlib
from pathlib import Path
from tabulate import tabulate
from termcolor import colored

# Please change your default output directory as you see fit
default_out_dir_osx = '/Users/david/Downloads/Compressed/_eBooks/'
default_out_dir_win = "m:\\Downloads\\Compressed\\_eBooks\\"
table = []


def get_isbn_file_counts(input_dir):
    n = 0
    for filename in os.listdir(input_dir):
        f = os.path.join(input_dir, filename)
        if os.path.isfile(f) and isbnlib.ISBN13(f):
            n += 1
    return n

def get_output_dir():
    argv = sys.argv
    if sys.platform == 'win32':
        default_out_dir = default_out_dir_win
    elif sys.platform == 'linux' or sys.platform == 'darwin':
        default_out_dir = default_out_dir_osx

    if len(argv) < 3:
        print('Use defualt output directory: ' + default_out_dir)
    
    if not os.path.isdir(default_out_dir):
        print(colored('✘ ' + "Output folder does NOT exist --" + default_out_dir, 'red'))
        return None
    
    output_dir = default_out_dir if len(argv) < 3 else argv[2]
    return output_dir

def get_input_dir():
    if len(sys.argv) < 2:
        print(colored('No input directory is input, use current directory instead', 'red'))
        source_dir = './'
    else:
        print(colored('Scanning ISBN files in input directory ' + sys.argv[1], 'green'))
        source_dir = sys.argv[1]
    return source_dir

def rename_all_isbn_files(input_dir, output_dir):
    n = get_isbn_file_counts(input_dir)
    if n < 1:
        print("No files for ISBN Books found in " + input_dir)
        return
    i = 0
    for filename in os.listdir(input_dir):
        f = os.path.join(input_dir, filename)
        if os.path.isfile(f) and isbnlib.ISBN13(f):
            i += 1
            isbn = Path(f).stem;
            meta = isbnlib.meta(isbn)
            ext = os.path.splitext(f)[1]
            progress = (str(int(i * 100 / n)) + '%  ').rjust(6)

            if meta:
                new_name = meta.get('Title')
                table.append([os.path.basename(f), new_name])
                new_path = str(Path(output_dir, new_name).with_suffix(ext))
                print(colored('✔ ', 'green') + progress + os.path.basename(f)[-13:] + ' ⟼➤ ' + new_path)
                os.rename(f, new_path)
                # break
            else:
                print(colored('✘ ', 'red') + progress + os.path.basename(f)[
                                                        -13:] + ' ⟼➤ ' + 'Failed to find ISBN book for this!')


if __name__ == '__main__':
    source_dir = get_input_dir()
    output_dir = get_output_dir()
    if not output_dir:
        sys.exit()

    table = [['Source File in\n' + source_dir, 'Renamed File in\n' + output_dir]]
    rename_all_isbn_files(source_dir, output_dir)
    print(tabulate(table, headers='firstrow', tablefmt='fancy_grid'))