def send_emails(messages, backend_kwargs=None, **kwargs):
# backward compat: handle **kwargs and missing backend_kwargs
combined_kwargs = {}
if backend_kwargs is not None:
combined_kwargs.update(backend_kwargs)
combined_kwargs.update(kwargs)
# backward compat: catch single object or dict
if isinstance(messages, (EmailMessage, dict)):
messages = [messages]
# make sure they're all dicts
messages = [email_to_dict(m) for m in messages]
conn = get_connection(backend=settings.CELERY_EMAIL_BACKEND, **combined_kwargs)
conn.open()
messages_sent = 0
for message in messages:
try:
sent = conn.send_messages([dict_to_email(message)])
if sent is not None:
messages_sent += sent
logger.debug("Successfully sent email message to %r.", message['to'])
except Exception as e:
# Not expecting any specific kind of exception here because it
# could be any number of things, depending on the backend
logger.warning("Failed to send email message to %r, retrying. (%r)",
message['to'], e)
send_emails.retry([[message], combined_kwargs], exc=e, throw=False)
conn.close()
return messages_sent
def _run_task(messages, debug, **kwargs):
logger.warning('Sending queued email, details: %s', debug)
kwargs.setdefault(
'backend',
kwargs.pop('backbackend', MultiLaneEmailBackend.default_backend))
with get_connection(**kwargs) as connection:
return connection.send_messages(
[dict_to_email(message) for message in messages])
def send_emails(messages, backend_kwargs=None, **kwargs):
# backward compat: handle **kwargs and missing backend_kwargs
combined_kwargs = {}
if backend_kwargs is not None:
combined_kwargs.update(backend_kwargs)
combined_kwargs.update(kwargs)
# backward compat: catch single object or dict
if isinstance(messages, (EmailMessage, dict)):
messages = [messages]
# make sure they're all dicts
messages = [email_to_dict(m) for m in messages]
conn = get_connection(backend=settings.CELERY_EMAIL_BACKEND,
**combined_kwargs)
try:
conn.open()
except Exception:
logger.exception("Cannot reach CELERY_EMAIL_BACKEND %s",
settings.CELERY_EMAIL_BACKEND)
messages_sent = 0
for message in messages:
try:
sent = conn.send_messages([dict_to_email(message)])
if sent is not None:
messages_sent += sent
logger.debug("Successfully sent email message to %r.",
message['to'])
except Exception as e:
# Not expecting any specific kind of exception here because it
# could be any number of things, depending on the backend
logger.warning(
"Failed to send email message to %r, retrying. (%r)",
message['to'], e)
send_emails.retry([[message], combined_kwargs], exc=e, throw=False)
conn.close()
return messages_sent
def test_dict_to_email_extra_attrs(self):
msg_dict = email_to_dict(mail.EmailMessage())
msg_dict['extra_attribute'] = {'name': 'val'}
self.assertEquals(email_to_dict(dict_to_email(msg_dict)), msg_dict)
def check_json_of_msg(self, msg):
serialized = json.dumps(email_to_dict(msg))
self.assertEqual(
email_to_dict(dict_to_email(json.loads(serialized))),
email_to_dict(msg))
def check_json_of_msg(self, msg):
serialized = json.dumps(email_to_dict(msg))
self.assertEqual(email_to_dict(dict_to_email(json.loads(serialized))),
email_to_dict(msg))
def test_dict_to_email_extra_attrs(self):
msg_dict = email_to_dict(mail.EmailMessage())
msg_dict['extra_attribute'] = {'name': 'val'}
self.assertEquals(email_to_dict(dict_to_email(msg_dict)), msg_dict)
