本文整理汇总了Python中twisted.words.xish.utility.EventDispatcher.addObserver方法的典型用法代码示例。如果您正苦于以下问题：Python EventDispatcher.addObserver方法的具体用法？Python EventDispatcher.addObserver怎么用？Python EventDispatcher.addObserver使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类twisted.words.xish.utility.EventDispatcher的用法示例。
在下文中一共展示了EventDispatcher.addObserver方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testDispatcherResult
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def testDispatcherResult(self):
d = EventDispatcher()
msg = Element(("ns", "message"))
pres = Element(("ns", "presence"))
cb = CallbackTracker()
d.addObserver("/presence", cb.call)
result = d.dispatch(msg)
self.assertEquals(False, result)
result = d.dispatch(pres)
self.assertEquals(True, result)示例2: testAddObserverInDispatch
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def testAddObserverInDispatch(self):
# Test for registration of events during dispatch
d = EventDispatcher()
msg = Element(("ns", "message"))
pres = Element(("ns", "presence"))
cb = CallbackTracker2(d)
d.addObserver("/message", cb.call2)
d.dispatch(msg)
self.assertEquals(cb.called, 0)
d.dispatch(pres)
self.assertEquals(cb.called, 1)示例3: test_cleanUpRemoveEventObserver
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def test_cleanUpRemoveEventObserver(self):
"""
Test observer clean-up after removeObserver for named events.
"""
d = EventDispatcher()
cb = CallbackTracker()
d.addObserver('//event/test', cb.call)
d.dispatch(None, '//event/test')
self.assertEqual(1, cb.called)
d.removeObserver('//event/test', cb.call)
self.assertEqual(0, len(d._eventObservers.pop(0)))示例4: testStuff
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def testStuff(self):
d = EventDispatcher()
cb1 = CallbackTracker()
cb2 = CallbackTracker()
cb3 = CallbackTracker()
d.addObserver("/message/body", cb1.call)
d.addObserver("/message", cb1.call)
d.addObserver("/presence", cb2.call)
d.addObserver("//event/testevent", cb3.call)
msg = Element(("ns", "message"))
msg.addElement("body")
pres = Element(("ns", "presence"))
pres.addElement("presence")
d.dispatch(msg)
self.assertEquals(cb1.called, 2)
self.assertEquals(cb1.obj, msg)
self.assertEquals(cb2.called, 0)
d.dispatch(pres)
self.assertEquals(cb1.called, 2)
self.assertEquals(cb2.called, 1)
self.assertEquals(cb2.obj, pres)
self.assertEquals(cb3.called, 0)
d.dispatch(d, "//event/testevent")
self.assertEquals(cb3.called, 1)
self.assertEquals(cb3.obj, d)
d.removeObserver("/presence", cb2.call)
d.dispatch(pres)
self.assertEquals(cb2.called, 1)示例5: test_cleanUpRemoveXPathObserver
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def test_cleanUpRemoveXPathObserver(self):
"""
Test observer clean-up after removeObserver for XPath events.
"""
d = EventDispatcher()
cb = CallbackTracker()
msg = Element((None, "message"))
d.addObserver('/message', cb.call)
d.dispatch(msg)
self.assertEqual(1, cb.called)
d.removeObserver('/message', cb.call)
self.assertEqual(0, len(d._xpathObservers.pop(0)))示例6: test_addObserverTwice
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def test_addObserverTwice(self):
"""
Test adding two observers for the same query.
When the event is dispath both of the observers need to be called.
"""
d = EventDispatcher()
cb1 = CallbackTracker()
cb2 = CallbackTracker()
d.addObserver("//event/testevent", cb1.call)
d.addObserver("//event/testevent", cb2.call)
d.dispatch(d, "//event/testevent")
self.assertEquals(cb1.called, 1)
self.assertEquals(cb1.obj, d)
self.assertEquals(cb2.called, 1)
self.assertEquals(cb2.obj, d)示例7: test_observerRaisingException
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def test_observerRaisingException(self):
"""
Test that exceptions in observers do not bubble up to dispatch.
The exceptions raised in observers should be logged and other
observers should be called as if nothing happened.
"""
class OrderedCallbackList(utility.CallbackList):
def __init__(self):
self.callbacks = OrderedDict()
class TestError(Exception):
pass
def raiseError(_):
raise TestError()
d = EventDispatcher()
cb = CallbackTracker()
originalCallbackList = utility.CallbackList
try:
utility.CallbackList = OrderedCallbackList
d.addObserver('//event/test', raiseError)
d.addObserver('//event/test', cb.call)
try:
d.dispatch(None, '//event/test')
except TestError:
self.fail("TestError raised. Should have been logged instead.")
self.assertEqual(1, len(self.flushLoggedErrors(TestError)))
self.assertEqual(1, cb.called)
finally:
utility.CallbackList = originalCallbackList示例8: testOrderedXPathDispatch
# 需要导入模块: from twisted.words.xish.utility import EventDispatcher [as 别名]
# 或者: from twisted.words.xish.utility.EventDispatcher import addObserver [as 别名]
def testOrderedXPathDispatch(self):
d = EventDispatcher()
cb = OrderedCallbackTracker()
d.addObserver("/message/body", cb.call2)
d.addObserver("/message", cb.call3, -1)
d.addObserver("/message/body", cb.call1, 1)
msg = Element(("ns", "message"))
msg.addElement("body")
d.dispatch(msg)
self.assertEquals(cb.callList, [cb.call1, cb.call2, cb.call3],
"Calls out of order: %s" %
repr([c.__name__ for c in cb.callList]))