helpers.py 文件源码

def check_ports(ports):
    connections = psutil.net_connections()
    all_ports = set(
        c.laddr[1] for c in connections if isinstance(c.laddr, tuple))
    ports_inuse = set(ports) & all_ports
    if ports_inuse:
        raise TaskException(
            'ports {} are in use'.format(', '.join(map(str, ports_inuse))))