app.py 文件源码

def get_addresses_with_unique_ports(addresses):
        # type: (str) -> List[Tuple[str, int]]
        address_tuples = [tuple(address.strip().split(':')) for address in
                          addresses.split(',')]
        result = []  # type: List[Tuple[str, int]]
        ports = set()  # type: Set[int]
        for address in address_tuples:
            host = address[0]
            if len(address) > 1 and address[1]:
                port_str = address[1]
                port = int(port_str)
                if port < 1 or port > 65535:
                    raise ValueError(
                        "Port {} is out of range".format(port_str))
                if port in ports:
                    raise ValueError(
                        "Port {} is already specified before".format(port_str))
            else:
                port = DEFAULT_PORT
            result.append((host, port))
            ports.add(port)
        return result