46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
"sqlite3 cache"
|
|
# Copyright (C) 2013 Team tiramisu (see AUTHORS for all contributors)
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser 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 Lesser General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
# ____________________________________________________________
|
|
try:
|
|
from cPickle import loads, dumps
|
|
except ImportError:
|
|
from pickle import loads, dumps
|
|
from ..util import Cache
|
|
|
|
|
|
class Sqlite3DB(Cache):
|
|
__slots__ = tuple()
|
|
def _sqlite_decode_path(self, path):
|
|
if path == '_none':
|
|
return None
|
|
else:
|
|
return path
|
|
|
|
def _sqlite_encode_path(self, path):
|
|
if path is None:
|
|
return '_none'
|
|
else:
|
|
return path
|
|
|
|
def _sqlite_decode(self, value):
|
|
return loads(value)
|
|
|
|
def _sqlite_encode(self, value):
|
|
if isinstance(value, list):
|
|
value = list(value)
|
|
return dumps(value)
|