本文整理汇总了Python中twisted.internet.defer.Deferred._cancelled方法的典型用法代码示例。如果您正苦于以下问题：Python Deferred._cancelled方法的具体用法？Python Deferred._cancelled怎么用？Python Deferred._cancelled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.internet.defer.Deferred的用法示例。
在下文中一共展示了Deferred._cancelled方法的1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: deferToLater
# 需要导入模块: from twisted.internet.defer import Deferred [as 别名]
# 或者: from twisted.internet.defer.Deferred import _cancelled [as 别名]
def deferToLater(self, when, func, *args, **kwargs):
"""deferToLater helper that tracks defers outstanding"""
def cancel(d):
d._cancelled = True
d = Deferred(canceller=cancel)
d._cancelled = False
self.ps._callbacks.append(d)
def f():
if d in self.ps._callbacks:
self.ps._callbacks.remove(d)
# Don't run if the deferred was cancelled already
if d._cancelled:
return
try:
result = func(*args, **kwargs)
d.callback(result)
except:
d.errback(failure.Failure())
reactor.callLater(when, f)
return d