本文整理汇总了Python中tornado.gen.Arguments方法的典型用法代码示例。如果您正苦于以下问题：Python gen.Arguments方法的具体用法？Python gen.Arguments怎么用？Python gen.Arguments使用的例子？那么, 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tornado.gen的用法示例。
在下文中一共展示了gen.Arguments方法的2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: resolve
# 需要导入模块: from tornado import gen [as 别名]
# 或者: from tornado.gen import Arguments [as 别名]
def resolve(self, host, port, family=0):
if is_valid_ip(host):
addresses = [host]
else:
# gethostbyname doesn't take callback as a kwarg
self.channel.gethostbyname(host, family, (yield gen.Callback(1)))
callback_args = yield gen.Wait(1)
assert isinstance(callback_args, gen.Arguments)
assert not callback_args.kwargs
result, error = callback_args.args
if error:
raise Exception('C-Ares returned error %s: %s while resolving %s' %
(error, pycares.errno.strerror(error), host))
addresses = result.addresses
addrinfo = []
for address in addresses:
if '.' in address:
address_family = socket.AF_INET
elif ':' in address:
address_family = socket.AF_INET6
else:
address_family = socket.AF_UNSPEC
if family != socket.AF_UNSPEC and family != address_family:
raise Exception('Requested socket family %d but got %d' %
(family, address_family))
addrinfo.append((address_family, (address, port)))
raise gen.Return(addrinfo) 示例2: test_arguments
# 需要导入模块: from tornado import gen [as 别名]
# 或者: from tornado.gen import Arguments [as 别名]
def test_arguments(self):
@gen.engine
def f():
(yield gen.Callback("noargs"))()
self.assertEqual((yield gen.Wait("noargs")), None)
(yield gen.Callback("1arg"))(42)
self.assertEqual((yield gen.Wait("1arg")), 42)
(yield gen.Callback("kwargs"))(value=42)
result = yield gen.Wait("kwargs")
self.assertTrue(isinstance(result, gen.Arguments))
self.assertEqual(((), dict(value=42)), result)
self.assertEqual(dict(value=42), result.kwargs)
(yield gen.Callback("2args"))(42, 43)
result = yield gen.Wait("2args")
self.assertTrue(isinstance(result, gen.Arguments))
self.assertEqual(((42, 43), {}), result)
self.assertEqual((42, 43), result.args)
def task_func(callback):
callback(None, error="foo")
result = yield gen.Task(task_func)
self.assertTrue(isinstance(result, gen.Arguments))
self.assertEqual(((None,), dict(error="foo")), result)
self.stop()
self.run_gen(f)