/usr/lib/python2.7/dist-packages/sugar3/power.py is in python-sugar3 0.110.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | # Copyright (C) 2014, Sugarlabs
#
# This library 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 2 of the License, or (at your option) any later version.
#
# This library 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 library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import os
import logging
_POWERD_INHIBIT_DIR = '/var/run/powerd-inhibit-suspend'
_power_manager = None
def get_power_manager():
global _power_manager
if _power_manager is None:
_power_manager = PowerManager()
return _power_manager
class PowerManager():
""" control of powerd idle suspend,
reference counted,
does nothing if powerd is not present
"""
def __init__(self):
self._suspend_inhibit_counter = 0
if os.path.exists(_POWERD_INHIBIT_DIR):
self._path = os.path.join(_POWERD_INHIBIT_DIR, str(os.getpid()))
else:
self._path = None
def __del__(self):
self._remove_flag_file()
def suspend_breaks_collaboration(self):
return True
def inhibit_suspend(self):
if self._path and self._suspend_inhibit_counter == 0:
try:
with open(self._path, 'w') as flag_file:
flag_file.write('')
except IOError:
logging.error("Inhibit Suspend: Could not create file %s",
self._path)
self._suspend_inhibit_counter += 1
def restore_suspend(self):
self._suspend_inhibit_counter -= 1
if self._suspend_inhibit_counter > 0:
return
self._remove_flag_file()
def is_suspend_inhibited(self):
return self._suspend_inhibit_counter > 0
def shutdown(self):
"""
This method clean the flag file if exists,
is already called when the activity is closed.
"""
self._remove_flag_file()
def _remove_flag_file(self):
if self._path:
try:
os.unlink(self._path)
except OSError:
pass
self._suspend_inhibit_counter = 0
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