import progressbar
import time

import tarfile

filepath ="./test/"
tar = tarfile.open("./test.gz")
list = tar.getnames()   # list
# for n in list:
#   tar.extract(n. filepath)
# tar.close()

size=len(list)  # int, e.g.127
with progressbar.ProgressBar(
  widgets=[progressbar.SimpleProgress()],
  max_value=size) as bar:

  for i in range(size):
    tar.extract(list[i], filepath)
    bar.update(i+1)
  bar.finish()