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| author | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-22 16:44:51 +0200 |
|---|---|---|
| committer | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-22 18:22:49 +0200 |
| commit | 427c7147d23fa21c6e8bd08407b1badc48b49c3c (patch) | |
| tree | d2742c7ffdfa167bcf6e68f06ce7524bc441102d /sources/pyside2/tests/util/processtimer.py | |
| parent | 4ec9cfa3c6b895c0cf50227c189cfa542de88b64 (diff) | |
move everying into sources/pyside2 (5.9 edition)
in preparation for a subtree merge.
this should not be necessary to do in a separate commit, but git is a
tad stupid about following history correctly without it.
Diffstat (limited to 'sources/pyside2/tests/util/processtimer.py')
| -rw-r--r-- | sources/pyside2/tests/util/processtimer.py | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sources/pyside2/tests/util/processtimer.py b/sources/pyside2/tests/util/processtimer.py new file mode 100644 index 000000000..19206472e --- /dev/null +++ b/sources/pyside2/tests/util/processtimer.py @@ -0,0 +1,77 @@ +#!/usr/bin/env python + +############################################################################# +## +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the test suite of PySide2. +## +## $QT_BEGIN_LICENSE:GPL-EXCEPT$ +## Commercial License Usage +## Licensees holding valid commercial Qt licenses may use this file in +## accordance with the commercial license agreement provided with the +## Software or, alternatively, in accordance with the terms contained in +## a written agreement between you and The Qt Company. For licensing terms +## and conditions see https://www.qt.io/terms-conditions. For further +## information use the contact form at https://www.qt.io/contact-us. +## +## GNU General Public License Usage +## Alternatively, this file may be used under the terms of the GNU +## General Public License version 3 as published by the Free Software +## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +## included in the packaging of this file. Please review the following +## information to ensure the GNU General Public License requirements will +## be met: https://www.gnu.org/licenses/gpl-3.0.html. +## +## $QT_END_LICENSE$ +## +############################################################################# + +import time,os + +class TimeoutException(Exception): + def __init__(self, msg): + self.msg = msg + + def __str__(self): + return repr(self.msg) + +class ProcessTimer(object): + '''Timeout function for controlling a subprocess.Popen instance. + + Naive implementation using busy loop, see later other means + of doing this. + ''' + + def __init__(self, proc, timeout): + self.proc = proc + self.timeout = timeout + + def waitfor(self): + time_passed = 0 + while(self.proc.poll() is None and time_passed < self.timeout): + time_passed = time_passed + 1 + time.sleep(1) + + if time_passed >= self.timeout: + raise TimeoutException("Timeout expired, possible deadlock") + +if __name__ == "__main__": + #simple example + + from subprocess import Popen + + proc = Popen(['sleep','10']) + t = ProcessTimer(proc,5) + try: + t.waitfor() + except TimeoutException: + print "timeout - PID: %d" % (t.proc.pid) + #TODO: detect SO and kill accordingly + #Linux + os.kill(t.proc.pid, 9) + #Windows (not tested) + #subprocess.Popen("taskkill /F /T /PID %i"%handle.pid , shell=True) + print "exit code: %d" % (t.proc.poll()) + |