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"""sendmail email backend class for postfix.""" | |
import threading | |
from django.conf import settings | |
from django.core.mail.backends.base import BaseEmailBackend | |
from subprocess import Popen,PIPE | |
class EmailBackend(BaseEmailBackend): | |
def __init__(self, fail_silently=False, **kwargs): | |
super(EmailBackend, self).__init__(fail_silently=fail_silently) | |
self._lock = threading.RLock() | |
def open(self): | |
return True | |
def close(self): | |
pass | |
def send_messages(self, email_messages): | |
""" | |
Sends one or more EmailMessage objects and returns the number of email | |
messages sent. | |
""" | |
if not email_messages: | |
return | |
self._lock.acquire() | |
try: | |
num_sent = 0 | |
for message in email_messages: | |
sent = self._send(message) | |
if sent: | |
num_sent += 1 | |
finally: | |
self._lock.release() | |
return num_sent | |
def _send(self, email_message): | |
"""A helper method that does the actual sending.""" | |
if not email_message.recipients(): | |
return False | |
try: | |
ps = Popen(["sendmail", "-t"], stdin=PIPE) | |
ps.stdin.write(email_message.message().as_string()) | |
ps.stdin.flush() | |
ps.stdin.close() | |
return not ps.wait() | |
except: | |
if not self.fail_silently: | |
raise | |
return False | |
return True |
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