Python 3 script to tar multiple folders in one archive

gistfile1.txt

import os
import datetime
import subprocess
import shutil
import errno
from pathlib import Path


home = str(Path.home())
now = datetime.datetime.now()
year = now.year
day = now.day
month = now.month
date_string = "{}_{}_{}".format(year, day, month)


'''
    dest var used to move created archives to another location
    example : dest = '/media/disk/'
'''
dest = None
dest = '/media/disk/00_projects/'

'''
    folders is a list of folder paths to backup
    for example

    folders = [
        '/var/www/',
        '.ssh'
    ]
'''
folders = []

try:
    if dest is not None:
        os.makedirs(dest)
except OSError as e:
    if e.errno == errno.EEXIST:
        print('Directory not created.')
    else:
        raise
archived_name = "backup_{}.tar.gz".format(date_string)
print('create archive for folder :', archived_name)
out = subprocess.Popen(['tar', '-zcvf', archived_name] + folders,
                       stdout=subprocess.PIPE,
                       stderr=subprocess.STDOUT)
stdout, stderr = out.communicate()
archive_exists = os.path.exists("{}/{}".format(home, archived_name))
if archive_exists:
    print('archive {} created '.format(archived_name))
if dest:
    if archived_name:
        filename = "{}/{}".format(home, archived_name)
        shutil.move(os.path.join(
            home, archived_name), os.path.join(dest, archived_name))