Copy files and catalogs with bar progress [don’t work]

Hi.
I try write coping with folder.
Coping works, but progress bar no and I don't know what doing ...
Thanks.

import shutil
import os
import itertools

from time import sleep
from tqdm import tqdm

# path to source directory
src_dir = '/home/piotr/.cache/'

# path to destination directory
dest_dir = '/home/piotr/.cache/0/'

# getting all the files in the source directory
files = os.listdir('/home/piotr/.cache/')

# progress bar start
for files in itertools.count():
        tqdm(range('files'))
# progress bar fi...