def receive(self, blocking=True):
with Timeout.DisableAlarm():
if not blocking:
return self.incoming.get(block=False)
difference = Timeout.difference()
if difference is not None:
return self.incoming.get(timeout=difference)
return self.incoming.get()
def run(*popenargs, **kwargs):
timeout = kwargs.pop('timeout', None)
with Timeout.DisableAlarm():
current_time = time.time()
Timeout.check(current_time=current_time)
difference = Timeout.difference(current_time=current_time)
if difference:
timeout = min(timeout or sys.maxsize, int(math.ceil(difference)))
return subprocess.run(*popenargs, timeout=timeout, **kwargs)
def run(*popenargs, **kwargs):
timeout = kwargs.pop('timeout', None)
capture_output = kwargs.pop('capture_output', False)
with Timeout.DisableAlarm():
current_time = time.time()
Timeout.check(current_time=current_time)
difference = Timeout.difference(current_time=current_time)
if difference:
timeout = min(timeout or sys.maxsize, int(math.ceil(difference)))
if capture_output:
if ('stdout' in kwargs) or ('stderr' in kwargs):
raise ValueError('stdout and stderr arguments may not be used with capture_output.')
kwargs['stdout'] = subprocess.PIPE
kwargs['stderr'] = subprocess.PIPE
return subprocess.run(*popenargs, timeout=timeout, **kwargs)
def wait(self):
if self.poll() is not None:
return
# Need to check the timeout context
timeout = Timeout.difference()
if timeout and (self._completion.elapsed is None
or timeout < self._completion.elapsed):
raise TimeoutExpired(self._args, timeout)
if self._completion.elapsed is None:
raise ValueError(
'Running a command that hangs without a timeout')
if self._completion.elapsed:
time.sleep(self._completion.elapsed)
self.returncode = self._completion.returncode
if self.stdout:
self.stdout.seek(0)
if self.stderr:
self.stderr.seek(0)
def test_difference(self):
with mocks.Time:
with Timeout(1):
self.asssertIsClose(Timeout.difference(), 1)