root / snf-astakos-app / astakos / im / notifications.py @ 9cd9bfe7
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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import logging |
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import socket |
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from smtplib import SMTPException |
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from django.core.mail import send_mail, get_connection |
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from django.utils.translation import ugettext as _ |
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from synnefo_branding.utils import render_to_string |
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import astakos.im.messages as astakos_messages |
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logger = logging.getLogger(__name__) |
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def build_notification( |
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sender, recipients, subject, message=None, template=None, dictionary=None): |
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return EmailNotification(
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sender, recipients, subject, message, template, dictionary) |
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class Notification(object): |
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def __init__( |
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self, sender, recipients, subject,
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message=None, template=None, dictionary=None): |
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if not message and not template: |
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raise IOError('message and template cannot be both None.') |
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dictionary = dictionary or {}
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self.sender = sender
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self.recipients = recipients
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self.subject = subject
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self.message = message or render_to_string(template, dictionary) |
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def send(self): |
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pass
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class EmailNotification(Notification): |
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def send(self): |
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try:
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send_mail( |
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self.subject,
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self.message,
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self.sender,
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self.recipients,
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connection=get_connection()) |
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except (SMTPException, socket.error), e:
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logger.exception(e) |
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raise NotificationError(self) |
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class NotificationError(Exception): |
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def __init__(self, nofication): |
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self.message = _(astakos_messages.DETAILED_NOTIFICATION_SEND_ERR) % nofication.__dict__
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super(NotificationError, self).__init__() |
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