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#!/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
#
import email.message
import email.utils
import logging
import logging.handlers
import subprocess
from . import common_constants
class BufferingSMTPHandler(logging.handlers.BufferingHandler):
def __init__(self,
toaddrs,
subject,
fromaddr='cygwin-no-reply@cygwin.com',
replytoaddr='cygwin-apps@cygwin.com',
logging_format='%(levelname)s: %(message)s'):
logging.handlers.BufferingHandler.__init__(self, capacity=0)
self.fromaddr = fromaddr
self.toaddrs = toaddrs
self.replytoaddr = replytoaddr
self.subject = subject
self.formatter = logging_format
self.setFormatter(logging.Formatter(logging_format))
def flush(self):
if len(self.buffer) > 0:
msg = ""
for record in self.buffer:
s = self.format(record)
msg = msg + s + "\r\n"
# append a summary of severities
summary = {}
for record in self.buffer:
summary[record.levelname] = summary.get(record.levelname, 0) + 1
msg = msg + 'SUMMARY: ' + ', '.join(['%d %s(s)' % (v, k) for (k, v) in summary.items()]) + "\r\n"
# build the email
m = email.message.Message()
m['From'] = self.fromaddr
m['To'] = ','.join(self.toaddrs)
m['Reply-To'] = self.replytoaddr
m['Bcc'] = common_constants.ALWAYS_BCC
m['Subject'] = self.subject
m['Message-Id'] = email.utils.make_msgid()
m['Date'] = email.utils.formatdate()
m['X-Calm'] = '1'
# use utf-8 only if the message can't be ascii encoded
charset = 'ascii'
try:
msg.encode('ascii')
except UnicodeError:
charset = 'utf-8'
m.set_payload(msg, charset=charset)
# if toaddrs consists of the single address 'debug', just dump the mail we would have sent
if self.toaddrs == ['debug']:
print('-' * 40)
for k in m:
print('%s: %s' % (k, m[k]))
print('-' * 40)
print(msg)
print('-' * 40)
else:
with subprocess.Popen(['/usr/sbin/sendmail', '-t', '-oi', '-f', self.fromaddr], stdin=subprocess.PIPE) as p:
p.communicate(m.as_bytes())
logging.debug('sendmail: msgid %s, exit status %d' % (m['Message-Id'], p.returncode))
self.buffer = []
def shouldFlush(self, record):
# the capacity we pass to BufferingHandler is irrelevant since we
# override shouldFlush so it never indicates we have reached capacity
return False
def __enter__(self):
logging.getLogger().addHandler(self)
return self
def __exit__(self, exception_type, exception_value, traceback):
self.close()
logging.getLogger().removeHandler(self)
# process any exception in the with-block normally
return False
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