A small script used for changing Maildir message creation date to match date within the email itself

convert.py

from mailbox import MaildirMessage
import time
from datetime import datetime
import os
from glob import glob

files = glob("*")

def update_mod_date(directory):
    with open(directory, 'r') as f:
        try:
            data = f.read()
            message = MaildirMessage(data)
            date = datetime.strptime(message.get('Date'), "%a, %d %b %Y %H:%M:%S %z")
            mod = time.mktime(date.timetuple())
            os.utime(directory, (mod, mod))
            print(directory)
        except Exception as ex:
            print(ex)
            
for file in files:
  update_mod_date(file)