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annotate gpp/core/functions.py @ 513:9e7ae8462f3f

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Using celery to send mail out of the request/response cycle.
author Brian Neal <bgneal@gmail.com>
date Tue, 13 Dec 2011 02:07:55 +0000
parents 20af29454e83
children 82b97697312e
rev   line source
gremmie@1 1 """This file houses various core utility functions for GPP"""
bgneal@176 2 import datetime
bgneal@227 3 import re
bgneal@316 4 import logging
gremmie@1 5
gremmie@1 6 from django.contrib.sites.models import Site
gremmie@1 7 from django.conf import settings
gremmie@1 8
bgneal@513 9 import core.tasks
bgneal@181 10
gremmie@1 11
bgneal@513 12 def send_mail(subject, message, from_email, recipient_list, **kwargs):
gremmie@1 13 """
bgneal@513 14 The main send email function. Use this function to send email from the
bgneal@513 15 site. All applications should use this function instead of calling
bgneal@513 16 Django's directly.
bgneal@513 17 If settings.GPP_SEND_EMAIL is true, the email will be sent to a Celery task
bgneal@513 18 to actually send the email. Otherwise it is dropped. In any event, the
bgneal@513 19 email will be logged at the DEBUG level.
bgneal@513 20
bgneal@513 21 """
bgneal@513 22 # Guard against empty email addresses
bgneal@418 23 recipient_list = [dest for dest in recipient_list if dest]
bgneal@418 24 if not recipient_list:
bgneal@418 25 logging.warning("Empty recipient_list in send_mail")
bgneal@418 26 return
gremmie@1 27
bgneal@316 28 logging.debug('EMAIL:\nFrom: %s\nTo: %s\nSubject: %s\nMessage:\n%s',
bgneal@316 29 from_email, str(recipient_list), subject, message)
gremmie@1 30
bgneal@513 31 if settings.GPP_SEND_EMAIL:
bgneal@513 32 core.tasks.send_mail.delay(subject, message, from_email, recipient_list,
bgneal@513 33 **kwargs)
bgneal@513 34
gremmie@1 35
gremmie@1 36 def email_admins(subject, message):
gremmie@1 37 """Emails the site admins. Goes through the site send_mail function."""
gremmie@1 38 site = Site.objects.get_current()
gremmie@1 39 subject = '[%s] %s' % (site.name, subject)
bgneal@316 40 send_mail(subject,
bgneal@316 41 message,
gremmie@1 42 '%s@%s' % (settings.GPP_NO_REPLY_EMAIL, site.domain),
gremmie@1 43 [mail_tuple[1] for mail_tuple in settings.ADMINS])
gremmie@1 44
gremmie@1 45
gremmie@1 46 def email_managers(subject, message):
gremmie@1 47 """Emails the site managers. Goes through the site send_mail function."""
gremmie@1 48 site = Site.objects.get_current()
gremmie@1 49 subject = '[%s] %s' % (site.name, subject)
bgneal@316 50 send_mail(subject,
bgneal@316 51 msg,
gremmie@1 52 '%s@%s' % (settings.GPP_NO_REPLY_EMAIL, site.domain),
gremmie@1 53 [mail_tuple[1] for mail_tuple in settings.MANAGERS])
gremmie@1 54
gremmie@1 55
gremmie@1 56 def get_full_name(user):
gremmie@1 57 """Returns the user's full name if available, otherwise falls back
gremmie@1 58 to the username."""
gremmie@1 59 full_name = user.get_full_name()
gremmie@1 60 if full_name:
gremmie@1 61 return full_name
gremmie@1 62 return user.username
bgneal@9 63
bgneal@176 64
bgneal@176 65 BASE_YEAR = 2010
bgneal@176 66
bgneal@176 67 def copyright_str():
bgneal@176 68 curr_year = datetime.datetime.now().year
bgneal@176 69 if curr_year == BASE_YEAR:
bgneal@176 70 year_range = str(BASE_YEAR)
bgneal@176 71 else:
bgneal@176 72 year_range = "%d - %d" % (BASE_YEAR, curr_year)
bgneal@176 73
bgneal@176 74 return 'Copyright (C) %s, SurfGuitar101.com' % year_range
bgneal@227 75
bgneal@227 76
bgneal@227 77 IP_PAT = re.compile('(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})')
bgneal@227 78
bgneal@227 79 def get_ip(request):
bgneal@227 80 """Returns the IP from the request or None if it cannot be retrieved."""
bgneal@227 81 ip = request.META.get('HTTP_X_FORWARDED_FOR',
bgneal@227 82 request.META.get('REMOTE_ADDR'))
bgneal@227 83
bgneal@227 84 if ip:
bgneal@227 85 match = IP_PAT.match(ip)
bgneal@227 86 ip = match.group(1) if match else None
bgneal@227 87
bgneal@227 88 return ip
bgneal@241 89
bgneal@241 90
bgneal@241 91 def get_page(qdict):
bgneal@241 92 """Attempts to retrieve the value for "page" from the given query dict and
bgneal@241 93 return it as an integer. If the key cannot be found or converted to an
bgneal@241 94 integer, 1 is returned.
bgneal@241 95 """
bgneal@241 96 n = qdict.get('page', 1)
bgneal@241 97 try:
bgneal@241 98 n = int(n)
bgneal@241 99 except ValueError:
bgneal@241 100 n = 1
bgneal@241 101 return n