# sort the files chronologically
l_time_file = []
for file_n in os.listdir(product_log_dir):
my_stat = os.stat(os.path.join(product_log_dir, file_n))
l_time_file.append(
(datetime.datetime.fromtimestamp(my_stat[stat.ST_MTIME]), file_n))
# sort the files chronologically
l_time_file = []
for file_n in os.listdir(product_log_dir):
my_stat = os.stat(os.path.join(product_log_dir, file_n))
l_time_file.append(
(datetime.datetime.fromtimestamp(my_stat[stat.ST_MTIME]), file_n))