__init__.py 文件源码

def get_all_ips():
    """ try to get all IPs of this machine

    The resulting list of IPs contains non-local IPs first, followed by
    local IPs (starting with "127....").
    """
    def get_ips_of_name(name):
        try:
            ips = socket.gethostbyname_ex(name)
            if len(ips) == 3:
                return ips[2]
        except socket.gaierror:
            return []
    result = []
    result.extend(get_ips_of_name(socket.gethostname()))
    result.extend(get_ips_of_name("localhost"))
    filtered_result = []
    for one_ip in result:
        if one_ip not in filtered_result:
            filtered_result.append(one_ip)
    # non-local IPs first
    filtered_result.sort(key=lambda ip: ((1 if ip.startswith("127.") else 0), ip))
    return filtered_result