From 62b0cd6301b7097dfa2776b677ab3c7d27f60d7b Mon Sep 17 00:00:00 2001 From: Kali Kaneko Date: Thu, 26 Dec 2013 14:10:14 -0400 Subject: Split the near-2k loc file into more handy modules. ...aaaand not a single fuck was given that day! --- src/leap/mail/imap/index.py | 69 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/leap/mail/imap/index.py (limited to 'src/leap/mail/imap/index.py') diff --git a/src/leap/mail/imap/index.py b/src/leap/mail/imap/index.py new file mode 100644 index 0000000..2280d86 --- /dev/null +++ b/src/leap/mail/imap/index.py @@ -0,0 +1,69 @@ +# -*- coding: utf-8 -*- +# index.py +# Copyright (C) 2013 LEAP +# +# 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 3 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, see . +""" +Index for SoledadBackedAccount, Mailbox and Messages. +""" +import logging + +from leap.common.check import leap_assert, leap_assert_type + +from leap.mail.imap.account import SoledadBackedAccount + + +logger = logging.getLogger(__name__) + + +class IndexedDB(object): + """ + Methods dealing with the index. + + This is a MixIn that needs access to the soledad instance, + and also assumes that a INDEXES attribute is accessible to the instance. + + INDEXES must be a dictionary of type: + {'index-name': ['field1', 'field2']} + """ + # TODO we might want to move this to soledad itself, check + + def initialize_db(self): + """ + Initialize the database. + """ + leap_assert(self._soledad, + "Need a soledad attribute accesible in the instance") + leap_assert_type(self.INDEXES, dict) + + # Ask the database for currently existing indexes. + if not self._soledad: + logger.debug("NO SOLEDAD ON IMAP INITIALIZATION") + return + db_indexes = dict() + if self._soledad is not None: + db_indexes = dict(self._soledad.list_indexes()) + for name, expression in SoledadBackedAccount.INDEXES.items(): + if name not in db_indexes: + # The index does not yet exist. + self._soledad.create_index(name, *expression) + continue + + if expression == db_indexes[name]: + # The index exists and is up to date. + continue + # The index exists but the definition is not what expected, so we + # delete it and add the proper index expression. + self._soledad.delete_index(name) + self._soledad.create_index(name, *expression) -- cgit v1.2.3