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1 """This file houses various core utility functions for GPP"""
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2 import datetime
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3 import re
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4 import logging
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5
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6 from django.contrib.sites.models import Site
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7 from django.conf import settings
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8 import django.core.mail
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9
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10 import core.tasks
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11
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12
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13 def send_mail(subject, message, from_email, recipient_list, defer=True, **kwargs):
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14 """
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15 The main send email function. Use this function to send email from the
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16 site. All applications should use this function instead of calling
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17 Django's directly.
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18 If defer is True, the email will be sent to a Celery task to actually send
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19 the email. Otherwise it is sent on the caller's thread. In any event, the
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20 email will be logged at the DEBUG level.
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21
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22 """
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23 # Guard against empty email addresses
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24 recipient_list = [dest for dest in recipient_list if dest]
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25 if not recipient_list:
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26 logging.warning("Empty recipient_list in send_mail")
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27 return
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28
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29 logging.debug('EMAIL:\nFrom: %s\nTo: %s\nSubject: %s\nMessage:\n%s',
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30 from_email, str(recipient_list), subject, message)
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31
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32 if defer:
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33 core.tasks.send_mail.delay(subject, message, from_email, recipient_list,
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34 **kwargs)
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35 else:
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36 django.core.mail.send_mail(subject, message, from_email, recipient_list,
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37 **kwargs)
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38
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39
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40 def email_admins(subject, message):
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41 """Emails the site admins. Goes through the site send_mail function."""
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42 site = Site.objects.get_current()
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43 subject = '[%s] %s' % (site.name, subject)
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44 send_mail(subject,
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45 message,
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46 '%s@%s' % (settings.GPP_NO_REPLY_EMAIL, site.domain),
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47 [mail_tuple[1] for mail_tuple in settings.ADMINS])
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48
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49
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50 def email_managers(subject, message):
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51 """Emails the site managers. Goes through the site send_mail function."""
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52 site = Site.objects.get_current()
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53 subject = '[%s] %s' % (site.name, subject)
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54 send_mail(subject,
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55 msg,
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56 '%s@%s' % (settings.GPP_NO_REPLY_EMAIL, site.domain),
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57 [mail_tuple[1] for mail_tuple in settings.MANAGERS])
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58
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59
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60 def get_full_name(user):
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61 """Returns the user's full name if available, otherwise falls back
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62 to the username."""
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63 full_name = user.get_full_name()
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64 if full_name:
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65 return full_name
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66 return user.username
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67
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68
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69 BASE_YEAR = 2010
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70
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71 def copyright_str():
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72 curr_year = datetime.datetime.now().year
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73 if curr_year == BASE_YEAR:
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74 year_range = str(BASE_YEAR)
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75 else:
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76 year_range = "%d - %d" % (BASE_YEAR, curr_year)
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77
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78 return 'Copyright (C) %s, SurfGuitar101.com' % year_range
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79
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80
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81 IP_PAT = re.compile('(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})')
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82
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83 def get_ip(request):
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84 """Returns the IP from the request or None if it cannot be retrieved."""
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85 ip = request.META.get('HTTP_X_FORWARDED_FOR',
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86 request.META.get('REMOTE_ADDR'))
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87
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88 if ip:
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89 match = IP_PAT.match(ip)
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90 ip = match.group(1) if match else None
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91
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92 return ip
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93
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94
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95 def get_page(qdict):
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96 """Attempts to retrieve the value for "page" from the given query dict and
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97 return it as an integer. If the key cannot be found or converted to an
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98 integer, 1 is returned.
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99 """
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100 n = qdict.get('page', 1)
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101 try:
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102 n = int(n)
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103 except ValueError:
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104 n = 1
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105 return n
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106
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107
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108 def quote_message(who, message):
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109 """
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110 Builds a message reply by quoting the existing message in a
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111 typical email-like fashion. The quoting is compatible with Markdown.
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112 """
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113 msg = "> %s" % message.replace('\n', '\n> ')
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114 if msg.endswith('\n> '):
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115 msg = msg[:-2]
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116
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117 return "*%s wrote:*\n\n%s\n\n" % (who, msg)
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