本文整理匯總了Python中pyanaconda.core.signal.Signal.clear方法的典型用法代碼示例。如果您正苦於以下問題：Python Signal.clear方法的具體用法？Python Signal.clear怎麽用？Python Signal.clear使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pyanaconda.core.signal.Signal的用法示例。
在下文中一共展示了Signal.clear方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: clear_test
# 需要導入模塊: from pyanaconda.core.signal import Signal [as 別名]
# 或者: from pyanaconda.core.signal.Signal import clear [as 別名]
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")