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from webapp.librelist.models import *
from django.db.models import Q
from email.utils import parseaddr
from lamson.mail import MailResponse
from config import settings
from lib import metaphone
import Stemmer
def stem_and_meta(list_name):
s = Stemmer.Stemmer('english')
name = " ".join(s.stemWords(list_name.split('.')))
return metaphone.dm(name)
def create_list(list_name):
list_name = list_name.lower()
mlist = find_list(list_name)
sim_pri, sim_sec = stem_and_meta(list_name)
if not mlist:
mlist = MailingList(archive_url = "/archives/" + list_name,
archive_queue = "/queues/" + list_name,
name=list_name,
similarity_pri = sim_pri,
similarity_sec = sim_sec)
mlist.save()
return mlist
def delete_list(list_name):
MailingList.objects.filter(name = list_name).delete()
def find_list(list_name):
mlists = MailingList.objects.filter(name = list_name)
if mlists:
return mlists[0]
else:
return None
def add_subscriber(address, list_name):
mlist = create_list(list_name)
sub_name, sub_addr = parseaddr(address)
subs = find_subscriptions(address, list_name)
if not subs:
sub = Subscription(subscriber_name = sub_name,
subscriber_address = sub_addr,
mailing_list = mlist)
sub.save()
return sub
else:
return subs[0]
def remove_subscriber(address, list_name):
find_subscriptions(address, list_name).delete()
def remove_all_subscriptions(address):
find_subscriptions(address).delete()
def find_subscriptions(address, list_name=None):
sub_name, sub_addr = parseaddr(address)
if list_name:
mlist = find_list(list_name)
else:
mlist = None
if mlist:
subs = Subscription.objects.filter(
subscriber_address=sub_addr, mailing_list = mlist
).exclude(
enabled=False)
else:
subs = Subscription.objects.filter(
subscriber_address=sub_addr
).exclude(
enabled=False)
return subs
def post_message(relay, message, list_name, host):
mlist = find_list(list_name)
assert mlist, "User is somehow able to post to list %s" % list_name
for sub in mlist.subscription_set.all().values('subscriber_address'):
list_addr = "%s@%s" % (list_name, host)
delivery = craft_response(message, list_name, list_addr)
relay.deliver(delivery, To=sub['subscriber_address'], From=list_addr)
def craft_response(message, list_name, list_addr):
response = MailResponse(To=list_addr,
From=message['from'],
Subject=message['subject'])
msg_id = message['message-id']
response.update({
"Sender": list_addr,
"Reply-To": list_addr,
"List-Id": list_addr,
"List-Unsubscribe": "<mailto:%s-unsubscribe@librelist.com>" % list_name,
"List-Archive": "<http://librelist.com/archives/%s/>" % list_name,
"List-Post": "<mailto:%s>" % list_addr,
"List-Help": "<http://librelist.com/help.html>",
"List-Subscribe": "<mailto:%s-subscribe@librelist.com>" % list_name,
"Return-Path": list_addr,
"Precedence": 'list',
})
if 'date' in message:
response['Date'] = message['date']
if 'references' in message:
response['References'] = message['References']
elif msg_id:
response['References'] = msg_id
if msg_id:
response['message-id'] = msg_id
if 'in-reply-to' not in message:
response["In-Reply-To"] = message['Message-Id']
if message.all_parts():
response.attach_all_parts(message)
else:
response.Body = message.body()
return response
def disable_all_subscriptions(address):
Subscription.objects.filter(subscriber_address=address).update(enabled=False)
def enable_all_subscriptions(address):
Subscription.objects.filter(subscriber_address=address).update(enabled=True)
def similar_named_lists(list_name):
sim_pri, sim_sec = stem_and_meta(list_name)
sim_sec = sim_sec or sim_pri
return MailingList.objects.filter(Q(similarity_pri = sim_pri) |
Q(similarity_sec =
sim_sec))
|
