使用Python装饰器处理try和exception

如何以装饰器方式传递try函数和异常处理函数

For example, this is the WCF connection.

def wcf():
    def send_request(result):
        # establish connection...
        result["response"] = True

    def handle_execption(e, result):
        # logger something
        result["error"] = str(e)

    result = []
    try:
        send_request(result)
    except Exception as e:
        handle_execption(e, result)

Now, I want to add a retry mechanism to this connection. What is the best way to achieve that, I have multiple connection ways(like REST, SOAP WCF, etc)? In general, they share the same pattern and all have the send_request and handle_execption.

硬编码类似于以下内容，但是向每个协议添加相同的逻辑是很愚蠢的。

for attempt in range(0, 3):
    sleep_seconds = attempt ** 2
    if sleep_seconds:
        sleep(sleep_seconds)
        attempt += 1
    try:
        send_request(result)
        break
    except Exception as e:
        handle_execption(e, result)