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Diffstat (limited to 'service/pixelated/adapter/contacts.py')
| -rw-r--r-- | service/pixelated/adapter/contacts.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/service/pixelated/adapter/contacts.py b/service/pixelated/adapter/contacts.py new file mode 100644 index 00000000..f286f220 --- /dev/null +++ b/service/pixelated/adapter/contacts.py @@ -0,0 +1,30 @@ +# +# Copyright (c) 2014 ThoughtWorks, Inc. +# +# Pixelated is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Pixelated 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with Pixelated. If not, see <http://www.gnu.org/licenses/>. +from email.utils import parseaddr + + +def address_duplication_filter(contacts): + contacts_by_mail = dict() + + for contact in contacts: + mail_address = extract_mail_address(contact) + previous = contacts_by_mail.get(mail_address, '') + contacts_by_mail[mail_address] = contact if len(contact) > len(previous) else previous + return contacts_by_mail.values() + + +def extract_mail_address(text): + return parseaddr(text)[1] |