/usr/share/pyshared/cream/util/events.py is in python-cream 0.5.3-1.
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 | # Copyright: 2007-2013, Sebastian Billaudelle <sbillaudelle@googlemail.com>
# 2010-2013, Kristoffer Kleine <kris.kleine@yahoo.de>
# 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 2.1 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 General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import os, select
class Event(object):
def __init__(self):
self._read_fd, self._write_fd = os.pipe()
def wait(self, timeout=None):
rfds, wfds, efds = select.select([self._read_fd], [], [], timeout)
return self._read_fd in rfds
def is_set(self):
return self.wait(0)
def clear(self):
if self.is_set():
os.read(self._read_fd, 1)
def set(self):
if not self.is_set():
os.write(self._write_fd, '1')
def fileno(self):
return self._read_fd
def __del__(self):
os.close(self._read_fd)
os.close(self._write_fd)
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