Add the tool to send email

Forgot to git add that one, it seems..

1 files changed, 45 insertions, 0 deletions

diff --git a/tools/mail/send_queued_mail.py b/tools/mail/send_queued_mail.py
new file mode 100755
index 0000000..5a8005f
--- /dev/null
+++ b/tools/mail/send_queued_mail.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+#
+# Script to send off all queued email.
+#
+# This script is intended to be run frequently from cron. We queue things
+# up in the db so that they get automatically rolled back as necessary,
+# but once we reach this point we're just going to send all of them one
+# by one.
+#
+
+import sys
+import os
+import smtplib
+
+# Set up to run in django environment
+from django.core.management import setup_environ
+sys.path.append(os.path.join(os.path.abspath(os.path.dirname(sys.argv[0])), '../../pgcommitfest'))
+import settings
+setup_environ(settings)
+
+from django.db import connection, transaction
+
+from pgcommitfest.mailqueue.models import QueuedMail
+
+if __name__ == "__main__":
+	# Grab advisory lock, if available. Lock id is just a random number
+	# since we only need to interlock against ourselves. The lock is
+	# automatically released when we're done.
+	curs = connection.cursor()
+	curs.execute("SELECT pg_try_advisory_lock(72181379)")
+	if not curs.fetchall()[0][0]:
+		print "Failed to get advisory lock, existing send_queued_mail process stuck?"
+		connection.close()
+		sys.exit(1)
+
+	for m in QueuedMail.objects.all():
+		# Yes, we do a new connection for each run. Just because we can.
+		# If it fails we'll throw an exception and just come back on the
+		# next cron job. And local delivery should never fail...
+		smtp = smtplib.SMTP("localhost")
+		smtp.sendmail(m.sender, m.receiver, m.fullmsg.encode('utf-8'))
+		smtp.close()
+		m.delete()
+		transaction.commit()
+	connection.close()