/usr/lib/python3/dist-packages/ubuntuuitoolkit/environment.py is in ubuntu-ui-toolkit-autopilot 0.1.46+14.04.20140408.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (C) 2014 Canonical Ltd.
#
# 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; version 3.
#
# 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/>.
import logging
import subprocess
from autopilot import logging as autopilot_logging
logger = logging.getLogger(__name__)
def is_initctl_env_var_set(variable):
"""Check True if an initctl environment variable is set.
:param variable: The name of the variable to check.
:return: True if the variable is set. False otherwise.
"""
try:
get_initctl_env_var(variable)
return True
except subprocess.CalledProcessError:
return False
def get_initctl_env_var(variable):
"""Return the value of an initctl environment variable."""
output = subprocess.check_output(
['/sbin/initctl', 'get-env', variable],
stderr=subprocess.STDOUT,
universal_newlines=True)
return output.rstrip()
@autopilot_logging.log_action(logger.info)
def set_initctl_env_var(variable, value):
"""Set the value of an initctl environment variable."""
subprocess.call(
['/sbin/initctl', 'set-env', '%s=%s' % (variable, value)],
stderr=subprocess.STDOUT,
universal_newlines=True)
@autopilot_logging.log_action(logger.info)
def unset_initctl_env_var(variable):
"""Remove an initctl environment variable."""
subprocess.call(
['/sbin/initctl', 'unset-env', variable],
stderr=subprocess.STDOUT,
universal_newlines=True)
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