1 files changed, 0 insertions, 93 deletions

diff --git a/Mailman/Handlers/AvoidDuplicates.py b/Mailman/Handlers/AvoidDuplicates.py
deleted file mode 100644
index a652906a9..000000000
--- a/Mailman/Handlers/AvoidDuplicates.py
+++ /dev/null
@@ -1,93 +0,0 @@
-# Copyright (C) 2002-2007 by the Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-# USA.
-
-"""If the user wishes it, do not send duplicates of the same message.
-
-This module keeps an in-memory dictionary of Message-ID: and recipient pairs.
-If a message with an identical Message-ID: is about to be sent to someone who
-has already received a copy, we either drop the message, add a duplicate
-warning header, or pass it through, depending on the user's preferences.
-"""
-
-from email.Utils import getaddresses, formataddr
-from Mailman.configuration import config
-
-COMMASPACE = ', '
-
-
-
-def process(mlist, msg, msgdata):
-    recips = msgdata.get('recips')
-    # Short circuit
-    if not recips:
-        return
-    # Seed this set with addresses we don't care about dup avoiding.
-    listaddrs = set((mlist.posting_address,
-                     mlist.bounces_address,
-                     mlist.owner_address,
-                     mlist.request_address))
-    explicit_recips = listaddrs.copy()
-    # Figure out the set of explicit recipients
-    cc_addresses = {}
-    for header in ('to', 'cc', 'resent-to', 'resent-cc'):
-        addrs = getaddresses(msg.get_all(header, []))
-        header_addresses = dict((addr, formataddr((name, addr)))
-                                for name, addr in addrs
-                                if addr)
-        if header == 'cc':
-            # Yes, it's possible that an address is mentioned in multiple CC
-            # headers using different names.  In that case, the last real name
-            # will win, but that doesn't seem like such a big deal.  Besides,
-            # how else would you chose?
-            cc_addresses.update(header_addresses)
-        # Ignore the list addresses for purposes of dup avoidance.
-        explicit_recips |= set(header_addresses)
-    # Now strip out the list addresses
-    explicit_recips -= listaddrs
-    if not explicit_recips:
-        # No one was explicitly addressed, so we can't do any dup collapsing
-        return
-    newrecips = set()
-    for r in recips:
-        # If this recipient is explicitly addressed...
-        if r in explicit_recips:
-            send_duplicate = True
-            # If the member wants to receive duplicates, or if the recipient
-            # is not a member at all, they will get a copy.
-            # header.
-            member = mlist.members.get_member(r)
-            if member and not member.receive_list_copy:
-                send_duplicate = False
-            # We'll send a duplicate unless the user doesn't wish it.  If
-            # personalization is enabled, the add-dupe-header flag will add a
-            # X-Mailman-Duplicate: yes header for this user's message.
-            if send_duplicate:
-                msgdata.setdefault('add-dup-header', set()).add(r)
-                newrecips.add(r)
-            elif r in cc_addresses:
-                del cc_addresses[r]
-        else:
-            # Otherwise, this is the first time they've been in the recips
-            # list.  Add them to the newrecips list and flag them as having
-            # received this message.
-            newrecips.add(r)
-    # Set the new list of recipients.  XXX recips should always be a set.
-    msgdata['recips'] = list(newrecips)
-    # RFC 2822 specifies zero or one CC header
-    if cc_addresses:
-        del msg['cc']
-        msg['CC'] = COMMASPACE.join(cc_addresses.values())