def task():
deferred2 = getPage(bytes("http://www.baidu.com", encoding='utf8'))
deferred2.addCallback(onedone)
yield deferred2
stop_deferred = defer.Deferred()
# stop_deferred.callback("sdfsdf")
yield stop_deferred
def task():
deferred2 = getPage(bytes("http://www.baidu.com", encoding='utf8'))
deferred2.addCallback(onedone)
yield deferred2
stop_deferred = defer.Deferred() # defer.Deferred()对象
# stop_deferred.callback(None) # defer.Deferred()对象.callback(None),可以主动终止
yield stop_deferred # yield defer.Deferred()对象，会夯住
def stop(url):
global stop_deferred
# print(stop_deferred)
print(7)
stop_deferred = defer.Deferred()
running_list.remove(url)
# stop_deferred.callback(check_empty)
print(8)
yield stop_deferred
def start(self):
# 这个就是一直 在运行的 任务
self._closewait = defer.Deferred()
yield self._closewait
def stop(self, url):
self.stop_deferred = defer.Deferred()
yield self.stop_deferred # yield defer.Deferred()对象，会夯住
def start(self):
self._closewait = defer.Deferred()
yield self._closewait
def stop(url):
global stop_deferred
stop_deferred = defer.Deferred()
yield stop_deferred
