/usr/lib/python2.7/dist-packages/scrapy/mail.py is in python-scrapy 0.24.2-1.
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Mail sending helpers
See documentation in docs/topics/email.rst
"""
from cStringIO import StringIO
from email.MIMEMultipart import MIMEMultipart
from email.MIMENonMultipart import MIMENonMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email.Utils import COMMASPACE, formatdate
from email import Encoders
from twisted.internet import defer, reactor, ssl
from twisted.mail.smtp import ESMTPSenderFactory
from scrapy import log
class MailSender(object):
def __init__(self, smtphost='localhost', mailfrom='scrapy@localhost',
smtpuser=None, smtppass=None, smtpport=25, smtptls=False, smtpssl=False, debug=False):
self.smtphost = smtphost
self.smtpport = smtpport
self.smtpuser = smtpuser
self.smtppass = smtppass
self.smtptls = smtptls
self.smtpssl = smtpssl
self.mailfrom = mailfrom
self.debug = debug
@classmethod
def from_settings(cls, settings):
return cls(settings['MAIL_HOST'], settings['MAIL_FROM'], settings['MAIL_USER'],
settings['MAIL_PASS'], settings.getint('MAIL_PORT'),
settings.getbool('MAIL_TLS'), settings.getbool('MAIL_SSL'))
def send(self, to, subject, body, cc=None, attachs=(), mimetype='text/plain', _callback=None):
if attachs:
msg = MIMEMultipart()
else:
msg = MIMENonMultipart(*mimetype.split('/', 1))
msg['From'] = self.mailfrom
msg['To'] = COMMASPACE.join(to)
msg['Date'] = formatdate(localtime=True)
msg['Subject'] = subject
rcpts = to[:]
if cc:
rcpts.extend(cc)
msg['Cc'] = COMMASPACE.join(cc)
if attachs:
msg.attach(MIMEText(body))
for attach_name, mimetype, f in attachs:
part = MIMEBase(*mimetype.split('/'))
part.set_payload(f.read())
Encoders.encode_base64(part)
part.add_header('Content-Disposition', 'attachment; filename="%s"' \
% attach_name)
msg.attach(part)
else:
msg.set_payload(body)
if _callback:
_callback(to=to, subject=subject, body=body, cc=cc, attach=attachs, msg=msg)
if self.debug:
log.msg(format='Debug mail sent OK: To=%(mailto)s Cc=%(mailcc)s Subject="%(mailsubject)s" Attachs=%(mailattachs)d',
level=log.DEBUG, mailto=to, mailcc=cc, mailsubject=subject, mailattachs=len(attachs))
return
dfd = self._sendmail(rcpts, msg.as_string())
dfd.addCallbacks(self._sent_ok, self._sent_failed,
callbackArgs=[to, cc, subject, len(attachs)],
errbackArgs=[to, cc, subject, len(attachs)])
reactor.addSystemEventTrigger('before', 'shutdown', lambda: dfd)
return dfd
def _sent_ok(self, result, to, cc, subject, nattachs):
log.msg(format='Mail sent OK: To=%(mailto)s Cc=%(mailcc)s '
'Subject="%(mailsubject)s" Attachs=%(mailattachs)d',
mailto=to, mailcc=cc, mailsubject=subject, mailattachs=nattachs)
def _sent_failed(self, failure, to, cc, subject, nattachs):
errstr = str(failure.value)
log.msg(format='Unable to send mail: To=%(mailto)s Cc=%(mailcc)s '
'Subject="%(mailsubject)s" Attachs=%(mailattachs)d'
'- %(mailerr)s',
level=log.ERROR, mailto=to, mailcc=cc, mailsubject=subject,
mailattachs=nattachs, mailerr=errstr)
def _sendmail(self, to_addrs, msg):
msg = StringIO(msg)
d = defer.Deferred()
factory = ESMTPSenderFactory(self.smtpuser, self.smtppass, self.mailfrom, \
to_addrs, msg, d, heloFallback=True, requireAuthentication=False, \
requireTransportSecurity=self.smtptls)
factory.noisy = False
if self.smtpssl:
reactor.connectSSL(self.smtphost, self.smtpport, factory, ssl.ClientContextFactory())
else:
reactor.connectTCP(self.smtphost, self.smtpport, factory)
return d
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