mail-server/tests/resources/scripts/imap_import.py
2023-12-31 10:17:29 +01:00

55 lines
1.8 KiB
Python

import imaplib
import socket
import time
import threading
from email.message import Message
from email.utils import formatdate
from datetime import datetime, timedelta
def append_message(thread_id, start, end):
conn = imaplib.IMAP4('localhost')
conn.login('john', '12345')
conn.socket().setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
start_time = time.time()
base_date = datetime(2000, 1, 1)
for n in range(start, end):
current_date = base_date + timedelta(hours=n)
msg = Message()
msg['From'] = 'somebody@some.where'
msg['To'] = 'john@example.org'
msg['Message-Id'] = f'unique.message.id.{n}@nowhere'
msg['Date'] = formatdate(time.mktime(current_date.timetuple()), localtime=False, usegmt=True)
msg['Subject'] = f"This is message #{n}"
msg.set_payload('...nothing...')
response_code, response_details = conn.append('INBOX', '', imaplib.Time2Internaldate(time.mktime(current_date.timetuple())), str(msg).encode('utf-8'))
if response_code != 'OK':
print(f'Thread {thread_id}: Error while appending message #{n}: {response_code} {response_details}')
break
if n != 0 and n % 100 == 0:
elapsed_time = (time.time() - start_time) * 1000
print(f'Thread {thread_id}: Inserting batch {n} took {elapsed_time} ms.', flush=True)
start_time = time.time()
conn.logout()
num_threads = 5
num_messages = 10000
messages_per_thread = num_messages // num_threads
threads = []
for i in range(num_threads):
start = i * messages_per_thread
end = start + messages_per_thread
thread = threading.Thread(target=append_message, args=(i, start, end))
threads.append(thread)
thread.start()
for thread in threads:
thread.join()
print("All messages appended.")