def requestUpdateProfile(self, profileRoi):
"""Request to update a specific profile ROI.
:param ~core.ProfileRoiMixIn profileRoi:
"""
if profileRoi.computeProfile is None:
return
threadPool = silxGlobalThreadPool()
# Clean up deprecated runners
for runner in list(self._pendingRunners):
if not inspect.isValid(runner):
self._pendingRunners.remove(runner)
continue
if runner.getRoi() is profileRoi:
if threadPool.tryTake(runner):
self._pendingRunners.remove(runner)
item = self.getPlotItem()
if item is None or not isinstance(item, profileRoi.ITEM_KIND):
# This item is not compatible with this profile
profileRoi._setPlotItem(None)
profileWindow = profileRoi.getProfileWindow()
if profileWindow is not None:
profileWindow.setProfile(None)
return
profileRoi._setPlotItem(item)
runner = _RunnableComputeProfile(threadPool, item, profileRoi)
runner.runnerFinished.connect(self.__cleanUpRunner)
runner.resultReady.connect(self.__displayResult)
self._pendingRunners.append(runner)
threadPool.start(runner)
def testSaturateThreadPool(self):
button = ThreadPoolPushButton()
button.setCallable(self._trace, "a", 100)
number = qt.silxGlobalThreadPool().maxThreadCount() * 2
for _ in range(number):
button.executeCallable()
self.waitForPendingOperations(button)
self.assertListEqual(self._result, ["a"] * number)
def testSaturateThreadPool(self):
button = ThreadPoolPushButton()
button.setCallable(self._trace, "a", 100)
number = qt.silxGlobalThreadPool().maxThreadCount() * 2
for _ in range(number):
button.executeCallable()
self.waitForPendingOperations(button)
self.assertListEqual(self._result, ["a"] * number)
def testFromQtThread(self):
"""Call submitToQtMainThread from a Qt thread pool"""
class Runner(qt.QRunnable):
def __init__(self, fn):
super(Runner, self).__init__()
self._fn = fn
def run(self):
self._fn()
def autoDelete(self):
return True
threadPool = qt.silxGlobalThreadPool()
runner = Runner(self._threadedTest)
threadPool.start(runner)
for i in range(100): # Loop over for 10 seconds
self.qapp.processEvents()
done = threadPool.waitForDone(100)
if done:
break
else:
self.fail('Thread pool task still running')
def testFromQtThread(self):
"""Call submitToQtMainThread from a Qt thread pool"""
class Runner(qt.QRunnable):
def __init__(self, fn):
super(Runner, self).__init__()
self._fn = fn
def run(self):
self._fn()
def autoDelete(self):
return True
threadPool = qt.silxGlobalThreadPool()
runner = Runner(self._threadedTest)
threadPool.start(runner)
for i in range(100): # Loop over for 10 seconds
self.qapp.processEvents()
done = threadPool.waitForDone(100)
if done:
break
else:
self.fail('Thread pool task still running')