/usr/lib/python2.7/dist-packages/ubuntu-sso-client/ubuntu_sso/keyring/pykeyring.py is in python-ubuntu-sso-client 13.10-0ubuntu6.
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#
# Copyright 2011-2012 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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 <http://www.gnu.org/licenses/>.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the
# OpenSSL library under certain conditions as described in each
# individual source file, and distribute linked combinations
# including the two.
# You must obey the GNU General Public License in all respects
# for all of the code used other than OpenSSL. If you modify
# file(s) with this exception, you may extend this exception to your
# version of the file(s), but you are not obligated to do so. If you
# do not wish to do so, delete this exception statement from your
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# files in the program, then also delete it here.
"""Keyring implementation for Windows and Darwin."""
from json import loads, dumps
from ubuntu_sso.utils.qtwisted import qtDeferToThread as deferToThread
USERNAME = 'ubuntu_sso'
class Keyring(object):
"""A Keyring for a given application name."""
def __init__(self, keyring=None):
"""Create a new instance."""
if keyring is None:
import keyring as pykeyring
keyring = pykeyring
self.keyring = keyring
def set_credentials(self, app_name, cred):
"""Set the credentials of the Ubuntu SSO item."""
# the windows keyring can only store a pair username-password
# so we store the data using ubuntu_sso as the user name. Then
# the cred will be stored as the string representation of the dict.
return deferToThread(self.keyring.set_password, app_name, USERNAME,
dumps(cred))
def _get_credentials_obj(self, app_name):
"""A dict with the credentials."""
creds = self.keyring.get_password(app_name, USERNAME)
if creds:
return loads(creds)
def get_credentials(self, app_name):
"""A deferred with the secret of the SSO item in a dictionary."""
return deferToThread(self._get_credentials_obj, app_name)
def delete_credentials(self, app_name):
"""Delete a set of credentials from the keyring."""
# this call depends on a patch I sent to pykeyring. The patch has
# not landed as of version 0.5.1. If you have that version you can
# clone my patch in the following way:
# hg clone https://bitbucket.org/mandel/pykeyring-delete-password
# pylint: disable=E1103
return deferToThread(self.keyring.delete_password, app_name, USERNAME)
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