root / snf-astakos-app / astakos / im / notifications.py @ 9a94c0f1
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1 | c0b26605 | Sofia Papagiannaki | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | c0b26605 | Sofia Papagiannaki | #
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3 | c0b26605 | Sofia Papagiannaki | # Redistribution and use in source and binary forms, with or
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4 | c0b26605 | Sofia Papagiannaki | # without modification, are permitted provided that the following
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5 | c0b26605 | Sofia Papagiannaki | # conditions are met:
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6 | c0b26605 | Sofia Papagiannaki | #
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7 | c0b26605 | Sofia Papagiannaki | # 1. Redistributions of source code must retain the above
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8 | c0b26605 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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9 | c0b26605 | Sofia Papagiannaki | # disclaimer.
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10 | c0b26605 | Sofia Papagiannaki | #
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11 | c0b26605 | Sofia Papagiannaki | # 2. Redistributions in binary form must reproduce the above
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12 | c0b26605 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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13 | c0b26605 | Sofia Papagiannaki | # disclaimer in the documentation and/or other materials
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14 | c0b26605 | Sofia Papagiannaki | # provided with the distribution.
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15 | c0b26605 | Sofia Papagiannaki | #
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16 | c0b26605 | Sofia Papagiannaki | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | c0b26605 | Sofia Papagiannaki | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | c0b26605 | Sofia Papagiannaki | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | c0b26605 | Sofia Papagiannaki | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | c0b26605 | Sofia Papagiannaki | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | c0b26605 | Sofia Papagiannaki | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | c0b26605 | Sofia Papagiannaki | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | c0b26605 | Sofia Papagiannaki | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | c0b26605 | Sofia Papagiannaki | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | c0b26605 | Sofia Papagiannaki | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | c0b26605 | Sofia Papagiannaki | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | c0b26605 | Sofia Papagiannaki | # POSSIBILITY OF SUCH DAMAGE.
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28 | c0b26605 | Sofia Papagiannaki | #
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29 | c0b26605 | Sofia Papagiannaki | # The views and conclusions contained in the software and
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30 | c0b26605 | Sofia Papagiannaki | # documentation are those of the authors and should not be
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31 | c0b26605 | Sofia Papagiannaki | # interpreted as representing official policies, either expressed
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32 | c0b26605 | Sofia Papagiannaki | # or implied, of GRNET S.A.
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33 | c0b26605 | Sofia Papagiannaki | |
34 | c0b26605 | Sofia Papagiannaki | import logging |
35 | c0b26605 | Sofia Papagiannaki | import socket |
36 | c0b26605 | Sofia Papagiannaki | |
37 | ccab6eb5 | Sofia Papagiannaki | from smtplib import SMTPException |
38 | ccab6eb5 | Sofia Papagiannaki | |
39 | dd6a7b9b | Sofia Papagiannaki | from django.core.mail import send_mail, get_connection |
40 | 71a38edf | Sofia Papagiannaki | from django.utils.translation import ugettext as _ |
41 | 734107ef | Kostas Papadimitriou | from synnefo_branding.utils import render_to_string |
42 | c0b26605 | Sofia Papagiannaki | |
43 | c0b26605 | Sofia Papagiannaki | import astakos.im.messages as astakos_messages |
44 | c0b26605 | Sofia Papagiannaki | |
45 | c0b26605 | Sofia Papagiannaki | logger = logging.getLogger(__name__) |
46 | c0b26605 | Sofia Papagiannaki | |
47 | 8fb8d0cf | Giorgos Korfiatis | |
48 | 8fb8d0cf | Giorgos Korfiatis | def build_notification(sender, recipients, subject, message=None, |
49 | 8fb8d0cf | Giorgos Korfiatis | template=None, dictionary=None): |
50 | c4d1b547 | Sofia Papagiannaki | return EmailNotification(
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51 | 73fbaec4 | Sofia Papagiannaki | sender, recipients, subject, message, template, dictionary) |
52 | 29b87e7c | Sofia Papagiannaki | |
53 | 8fb8d0cf | Giorgos Korfiatis | |
54 | 29b87e7c | Sofia Papagiannaki | class Notification(object): |
55 | 8fb8d0cf | Giorgos Korfiatis | def __init__(self, sender, recipients, subject, |
56 | 8fb8d0cf | Giorgos Korfiatis | message=None, template=None, dictionary=None): |
57 | c4d1b547 | Sofia Papagiannaki | if not message and not template: |
58 | e30537f1 | Sofia Papagiannaki | raise IOError('message and template cannot be both None.') |
59 | c4d1b547 | Sofia Papagiannaki | dictionary = dictionary or {}
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60 | 29b87e7c | Sofia Papagiannaki | self.sender = sender
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61 | 29b87e7c | Sofia Papagiannaki | self.recipients = recipients
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62 | 29b87e7c | Sofia Papagiannaki | self.subject = subject
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63 | c4d1b547 | Sofia Papagiannaki | self.message = message or render_to_string(template, dictionary) |
64 | e7cb4085 | Kostas Papadimitriou | |
65 | 29b87e7c | Sofia Papagiannaki | def send(self): |
66 | c0b26605 | Sofia Papagiannaki | pass
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67 | c0b26605 | Sofia Papagiannaki | |
68 | 8fb8d0cf | Giorgos Korfiatis | |
69 | e1a80257 | Sofia Papagiannaki | class EmailNotification(Notification): |
70 | e1a80257 | Sofia Papagiannaki | def send(self): |
71 | e1a80257 | Sofia Papagiannaki | try:
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72 | e1a80257 | Sofia Papagiannaki | send_mail( |
73 | 71a38edf | Sofia Papagiannaki | self.subject,
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74 | 71a38edf | Sofia Papagiannaki | self.message,
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75 | 71a38edf | Sofia Papagiannaki | self.sender,
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76 | dd6a7b9b | Sofia Papagiannaki | self.recipients,
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77 | dd6a7b9b | Sofia Papagiannaki | connection=get_connection()) |
78 | ccab6eb5 | Sofia Papagiannaki | except (SMTPException, socket.error), e:
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79 | 71a38edf | Sofia Papagiannaki | logger.exception(e) |
80 | 3d4a0a9b | Sofia Papagiannaki | raise NotificationError(self) |
81 | c0b26605 | Sofia Papagiannaki | |
82 | 8fb8d0cf | Giorgos Korfiatis | |
83 | ccab6eb5 | Sofia Papagiannaki | class NotificationError(Exception): |
84 | 3d4a0a9b | Sofia Papagiannaki | def __init__(self, nofication): |
85 | 8fb8d0cf | Giorgos Korfiatis | self.message = (_(astakos_messages.DETAILED_NOTIFICATION_SEND_ERR) %
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86 | 8fb8d0cf | Giorgos Korfiatis | nofication.__dict__) |
87 | 172ce682 | Sofia Papagiannaki | super(NotificationError, self).__init__() |