Copy nested images into an output directory

rec_image_copy.py

import os
import shutil
import sys
from tqdm import tqdm

work_path = '.'
if len(sys.argv) > 1:
    work_path = sys.argv[1]

output_dir = os.path.abspath('./all_files/')
if len(sys.argv) > 2:
    output_dir = sys.argv[2]

new_files_name = 'IMG'
if len(sys.argv) > 3:
    new_files_name = sys.argv[3]

script_file_name = os.path.basename(__file__)
file_counter = 1
copy_tuples = []

if not os.path.exists(output_dir):
    os.makedirs(output_dir)

for root, dirs, files in os.walk(work_path):
    if script_file_name in files or output_dir == os.path.abspath(root):
        continue
    for file in files:
        base_name, extension = os.path.splitext(file)
        if extension not in ['.jpeg', '.jpg', '.png', '.gif', '.tiff', '.RAW', '.ARW']:
            continue
        new_file_path = os.path.join(
            output_dir, new_files_name + '_' + str(file_counter) + extension)
        copy_tuples.append((os.path.join(root, file), new_file_path))
        file_counter += 1

for copy_tuple in tqdm(copy_tuples, desc='Copying files: '):
    shutil.copy(copy_tuple[0], copy_tuple[1])