def send_all():
"""
Send all eligible messages in the queue.
"""
lock = FileLock("send_mail")
logging.debug("acquiring lock...")
try:
lock.acquire(LOCK_WAIT_TIMEOUT)
except AlreadyLocked:
logging.debug("lock already in place. quitting.")
return
except LockTimeout:
logging.debug("waiting for the lock timed out. quitting.")
return
logging.debug("acquired.")
start_time = time.time()
dont_send = 0
deferred = 0
sent = 0
connection = None
try:
for message in prioritize():
if DontSendEntry.objects.has_address(message.to_address):
logging.info("skipping email to %s as on don't send list " % message.to_address)
MessageLog.objects.log(message, 2) # @@@ avoid using literal result code
message.delete()
dont_send += 1
else:
try:
logging.info("sending message '%s' to %s" % (message.subject.encode("utf-8"), message.to_address.encode("utf-8")))
# Using EmailMessage instead of send_mail since that is basically all send_mail does.
if message.message_body_html is None or len(message.message_body_html) == 0:
logging.debug("message is text only")
msg = EmailMessage(message.subject, message.message_body, message.from_address, [message.to_address])
else:
logging.debug("message is text+html alternative")
msg = EmailMultiAlternatives(message.subject, message.message_body, message.from_address, [message.to_address])
msg.attach_alternative(message.message_body_html, "text/html")
if not DRY_RUN:
if connection is None:
# save the connection for possible reuse
connection = msg.get_connection()
logging.debug("got new conncetion")
if not SKIP_SEND:
msg.send()
MessageLog.objects.log(message, 1) # @@@ avoid using literal result code
message.delete()
sent += 1
except (socket_error, smtplib.SMTPSenderRefused, smtplib.SMTPRecipientsRefused, smtplib.SMTPAuthenticationError), err:
message.defer()
connection = None # don't try to cache on error
logging.info("message deferred due to failure: %s" % err)
MessageLog.objects.log(message, 3, log_message=str(err)) # @@@ avoid using literal result code
deferred += 1
if MAX_MESSAGES and MAX_MESSAGES == sent + deferred:
logging.info("stopped sending after reaching max of %d", MAX_MESSAGES)
break
finally:
logging.debug("releasing lock...")
lock.release()
logging.debug("released.")
logging.info("")
logging.info("%s sent; %s deferred; %s don't send" % (sent, deferred, dont_send))
logging.info("done in %.2f seconds" % (time.time() - start_time))
