Export mailman3 subscribers for groups.io

mm3_to_groupsio.py

# Django script to export member lists from Mailman 3 to Groups.io
# Includes a suffix "nomail", "digest", or "summary" as needed
#
# Sample command:
# /opt/mailman3-web/virtualenv/bin/python ./manage.py runscript mm3_to_groupsio --script-args lists.example.com

import codecs

from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
from postorius import utils
from urllib2 import HTTPError

digest_map = {
  'regular': '',
  'plaintext_digests': ' digest',
  'mime_digests': ' digest',
  'summary_digests': ' summary',
}

def run(*args):
    if len(args) < 1:
      print "Please pass '--script-args lists.example.com' to command"
      return

    member_export(args[0])

def member_export(domain):
  client = utils.get_client()

  for list in client.get_domain(domain).lists:
    print 'dumping members for '+list.list_id

    f = codecs.open('/tmp/list_members/'+list.list_id+'.txt', 'w', encoding='utf8')

    for member in list.members:
      email = member.email
      if member.user.display_name is not None and member.user.display_name != 'None':
        email = "%s <%s>" % (member.user.display_name, member.email)

      delivery = member.preferences['delivery_status']
      if delivery is None:
          # if no subscription preference, try an email preference
        for addr in member.user.addresses:
          if str(addr) == member.email:
            delivery = addr.preferences['delivery_status']
      if delivery is None:
        # if no subscription or email preference, try a user preference
        delivery = member.user.preferences['delivery_status']
      if delivery == 'by_user':
        # they have delivery disabled, print record and skip delivery mode checks
        f.write("%s %s\n" % (email, 'nomail'))

      else:
        # determine if they have a regular subscription, digest, or summary
        delivery = member.preferences['delivery_mode']
        if delivery is None:
          # if no subscription preference, try an email preference
          for addr in member.user.addresses:
            if str(addr) == member.email:
              delivery = addr.preferences['delivery_mode']
        if delivery is None:
          # if no subscription or email preference, try a user preference
          delivery = member.user.preferences['delivery_mode']
        if delivery is None:
          # fall back to 'regular'
          delivery = 'regular'
        # map delivery_mode to a suffix (no suffix for regular)
        f.write("%s%s\n" % (email, digest_map[delivery]))
        
    f.close()