Converts all video from a folder to much smaller ones in another folder

movie_converter.py

import os
from glob import glob
from moviepy.editor import *
from tkinter import Tk
from tkinter.filedialog import askdirectory
from include.colors import Colors


def get_filename(file_path):
    return file_path.split(os.sep)[-1]


Tk().withdraw()
title = "Please select input folder"
print(title)
input_folder = askdirectory(title=title)
assert input_folder
title = title.replace("input", "output")
print(title)
output_folder = askdirectory(title=title)
assert output_folder

out_files = glob(f"{output_folder}\\*")
out_filenames = [get_filename(a) for a in out_files]

for in_file in glob(f"{input_folder}\\*"):
    filename = get_filename(in_file)
    if filename not in out_filenames:
        new_path = os.sep.join([output_folder, filename])
        print(f"Will write:\t{Colors.orange(in_file)}\nto:\t\t\t{Colors.orange(new_path)}")
        video = VideoFileClip(in_file)
        video.write_videofile(new_path, bitrate="500k", verbose=False, threads=4)