本文整理汇总了Python中pyanaconda.core.signal.Signal.clear方法的典型用法代码示例。如果您正苦于以下问题：Python Signal.clear方法的具体用法？Python Signal.clear怎么用？Python Signal.clear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pyanaconda.core.signal.Signal的用法示例。
在下文中一共展示了Signal.clear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: clear_test
# 需要导入模块: from pyanaconda.core.signal import Signal [as 别名]
# 或者: from pyanaconda.core.signal.Signal import clear [as 别名]
def clear_test(self):
"""Test if the clear() method correctly clears any connected callbacks."""
def set_var(value):
self.var = value
signal = Signal()
foo = FooClass()
lambda_foo = FooClass()
self.assertIsNone(foo.var)
self.assertIsNone(lambda_foo.var)
self.assertIsNone(self.var)
# connect the callbacks
signal.connect(set_var)
signal.connect(foo.set_var)
# pylint: disable=unnecessary-lambda
signal.connect(lambda x: lambda_foo.set_var(x))
# trigger the signal
signal.emit("bar")
# check that the callbacks were triggered
self.assertEqual(self.var, "bar")
self.assertEqual(foo.var, "bar")
self.assertEqual(lambda_foo.var, "bar")
# clear the callbacks
signal.clear()
# trigger the signal again
signal.emit("anaconda")
# check that the callbacks were not triggered
self.assertEqual(self.var, "bar")
self.assertEqual(foo.var, "bar")
self.assertEqual(lambda_foo.var, "bar")