scripts-pde/core/BufferingSMTPHandler.py

#!/usr/bin/env python
#
# Copyright 2001-2002 by Vinay Sajip. All Rights Reserved.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted,
# provided that the above copyright notice appear in all copies and that
# both that copyright notice and this permission notice appear in
# supporting documentation, and that the name of Vinay Sajip
# not be used in advertising or publicity pertaining to distribution
# of the software without specific, written prior permission.
# VINAY SAJIP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# VINAY SAJIP BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
# IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# This file is part of the Python logging distribution. See
# http://www.red-dove.com/python_logging.html
#
"""Test harness for the logging module. Tests BufferingSMTPHandler, an alternative implementation
of SMTPHandler.
Copyright (C) 2001-2002 Vinay Sajip. All Rights Reserved.
"""
import logging.handlers
import smtplib

class BufferingSMTPHandler(logging.handlers.BufferingHandler):
    def __init__(self, mailhost, fromaddr, toaddrs, subject, capacity):
        logging.handlers.BufferingHandler.__init__(self, capacity)
        self.mailhost = mailhost
        self.mailport = None
        self.fromaddr = fromaddr
        self.toaddrs = toaddrs
        self.subject = subject
        self.setFormatter(logging.Formatter("%(asctime)s %(levelname)-5s %(message)s"))

    def flush(self):
        if len(self.buffer) > 0:
            port = self.mailport if self.mailport else smtplib.SMTP_PORT

            smtp = smtplib.SMTP(self.mailhost, port)
            msg = "From: {}\nTo: {}\nSubject: {}\n\n".format(self.fromaddr, ",".join(self.toaddrs), self.subject)
            for record in self.buffer:
                msg += self.format(record)
                msg += "\n"

            smtp.sendmail(self.fromaddr, self.toaddrs, msg)
            smtp.quit()
            self.buffer = []