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root / logic / email_send.py @ 583bfaa0

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# Copyright 2011 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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#   1. Redistributions of source code must retain the above copyright
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#      notice, this list of conditions and the following disclaimer.
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#
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#  2. Redistributions in binary form must reproduce the above copyright
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#     notice, this list of conditions and the following disclaimer in the
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#     documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are
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# those of the authors and should not be interpreted as representing official
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# policies, either expressed or implied, of GRNET S.A.
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# Methods for sending email
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import json
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from django.core.mail import send_mail
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from django.conf import settings
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import amqp_connection
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def send_async(frm = settings.SYSTEM_EMAIL_ADDR,
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               to = None, subject = None, body = None):
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    """
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        Queue a message to be sent sometime later
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        by a worker process.
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    """
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    msg = dict()
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    msg['frm'] = frm
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    msg['to'] = to
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    msg['subject'] = subject
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    msg['body'] = body
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    routekey = "logic.email.outgoing"
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    amqp_connection.send(json.dumps(msg), settings.EXCHANGE_API, routekey)
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def send (sender = settings.SYSTEM_EMAIL_ADDR,
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          recipient = None, subject = None, body = None):
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    import logging
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    logger = logging.getLogger("synnefo.logic")
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    attempts = 0
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    while attempts < 3:
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        try:
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            send_mail(subject, body, sender, [recipient])
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            return True
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        except Exception as e:
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            logger.error("Error sending email: %s", e)
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        finally:
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            attempts += 1
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    logger.warn("Failed all %d attempts to send email, aborting", attempts)
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    return False
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