def enqueue(self, *args, **kwargs):
event = self._policy.getEvent(*args, **kwargs)
if self._policy.argumentPassingMode == eventpy.policy.argumentPassingExcludeEvent:
args = args[1:]
queuedEvent = QueuedEvent(event, args, kwargs)
with lockguard.LockGuard(self._queueListLock):
self._queueList.append(queuedEvent)
if self._doCanProcess():
with lockguard.LockGuard(self._queueListMutex):
self._queueListConditionVariable.notify()
def forEach(self, func):
with lockguard.LockGuard(self._lock):
node = self._list.getHead()
counter = self._currentCounter
invoke = _selectForEachInvoke(func)
while node is not None:
nodeCounter = node.getData()._counter
if nodeCounter != 0 and counter >= nodeCounter:
invoke(node)
with lockguard.LockGuard(self._lock):
node = node._next
def __call__(self, *args, **kwargs):
with lockguard.LockGuard(self._lock):
node = self._list.getHead()
counter = self._currentCounter
while node is not None:
nodeCounter = node.getData()._counter
if nodeCounter != 0 and counter >= nodeCounter:
node.getData()._callback(*args, **kwargs)
if not self._policy.canContinueInvoking(*args, **kwargs):
break
with lockguard.LockGuard(self._lock):
node = node._next
def takeEvent(self):
if self._queueList:
with lockguard.LockGuard(self._queueListLock):
if self._queueList:
queuedEvent = self._queueList[0]
self._queueList = self._queueList[1:]
return queuedEvent
return None
def waitFor(self, seconds):
with lockguard.LockGuard(self._queueListMutex):
startSeconds = time.time()
while True:
self._queueListConditionVariable.wait(0.001)
if self._doCanProcess():
return True
if time.time() - startSeconds >= seconds:
return False
def process(self):
if self._queueList:
with lockguard.LockGuard(self._queueListLock):
tempList = self._queueList
self._queueList = []
if tempList:
for queuedEvent in tempList:
self.directDispatch(queuedEvent.event, *queuedEvent.args,
**queuedEvent.kwargs)
return True
return False
def processOne(self):
if self._queueList:
queuedEvent = None
with lockguard.LockGuard(self._queueListLock):
if self._queueList:
queuedEvent = self._queueList[0]
self._queueList = self._queueList[1:]
if queuedEvent is not None:
self.directDispatch(queuedEvent.event, *queuedEvent.args,
**queuedEvent.kwargs)
return True
return False
def processIf(self, func):
if self._queueList:
with lockguard.LockGuard(self._queueListLock):
tempList = self._queueList
self._queueList = []
if tempList:
for queuedEvent in tempList:
if func(*queuedEvent.args, **queuedEvent.kwargs):
self.directDispatch(queuedEvent.event,
*queuedEvent.args,
**queuedEvent.kwargs)
else:
self._queueList.append(queuedEvent)
return True
return False
def _getNextCounter(self):
self._currentCounter += 1
result = self._currentCounter
if result <= 0: # overflow, let's reset all nodes' counters.
with lockguard.LockGuard(self._lock):
node = self._list.getHead()
while node is not None:
node.getData()._counter = 1
node = node.getNext()
if self._currentCounter < 0:
self._currentCounter = 0
self._currentCounter += 1
result = self._currentCounter
return result
def clearEvents(self):
with lockguard.LockGuard(self._queueListLock):
self._queueList = []
def __exit__(self, type, value, traceBack):
self._queue._queueNotifyCounter -= 1
if self._queue._doCanNotifyQueueAvailable(
) and not self._queue.emptyQueue():
with lockguard.LockGuard(self._queue._queueListMutex):
self._queue._queueListConditionVariable.notify()
def peekEvent(self):
if self._queueList:
with lockguard.LockGuard(self._queueListLock):
if self._queueList:
return self._queueList[0]
return None
def wait(self):
with lockguard.LockGuard(self._queueListMutex):
while True:
self._queueListConditionVariable.wait(0.001)
if self._doCanProcess():
break
def _doFindCallableList(self, event):
with lockguard.LockGuard(self._eventCallbackListMapLock):
if event in self._eventCallbackListMap:
return self._eventCallbackListMap[event]
return None
def _getCallbackList(self, event):
with lockguard.LockGuard(self._eventCallbackListMapLock):
if event not in self._eventCallbackListMap:
self._eventCallbackListMap[event] = callbacklist.CallbackList(
self._policy)
return self._eventCallbackListMap[event]