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Na1Kh2
V2EX    Python

Python 生成 ip 地址

  •  1
     
  •   Na1Kh2 2018-10-19 09:56:37 +08:00 4731 次点击
    这是一个创建于 2554 天前的主题,其中的信息可能已经有所发展或是发生改变。

    from IPy import IP IP('172.10.250-254.250-254') Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/python2.7/site-packages/IPy.py", line 242, in init raise ValueError("only one '-' allowed in IP Address") ValueError: only one '-' allowed in IP Address</module></stdin>

    IPy 好像不支持这种生成方式,Python 有哪些库可以解决这个问题么?

    13 条回复    2018-10-20 11:04:33 +08:00
    stamaimer
        1
    stamaimer  
       2018-10-19 12:13:02 +08:00 via iPhone
    排个版
    no1xsyzy
        2
    no1xsyzy  
       2018-10-19 12:49:22 +08:00
    IP 段不连续,不符合规范,唯有用 random 库手撸
    alixali
        3
    alixali  
       2018-10-19 13:53:21 +08:00
    ValueError: only one '-' allowed in IP Address
    Na1Kh2
        4
    Na1Kh2  
    OP
       2018-10-19 14:56:23 +08:00
    @stamaimer
    @alixali
    emmmmm 是这样的
    我要按输入的语句生成 ip 地址,只是拿 IPy 举了个栗子
    比如说我输入
    172.10.100-101.1-3
    生成
    172.10.100.1
    172.10.100.2
    172.10.100.3
    172.10.101.1
    172.10.101.2
    172.10.101.3
    ------------------------
    撸了一中午 还没写出来
    @no1xsyzy
    Na1Kh2
        5
    Na1Kh2  
    OP
       2018-10-19 15:02:17 +08:00
    我现在的想法是:
    把输入的字符串 split('.')分割
    把分割出的 list 循环读取出来
    读取出来的内容用 split('-')分割
    ------
    上面这些都写出来了
    但是组合方法我实在是写不出来了 没有头绪
    no1xsyzy
        6
    no1xsyzy  
       2018-10-19 15:12:52 +08:00
    不要老想着这是一个 IP 地址,就结束了:
    lambda x: ["%d.%d.%d.%d"%d for d in itertools.product(*[range(m,n+1) for s in x.split(".") for m,n,*_ in [map(int, (s+"-"+s).split("-"))]])]
    no1xsyzy
        7
    no1xsyzy  
       2018-10-19 15:14:28 +08:00
    #5 看起来需要重练基本功……
    Na1Kh2
        8
    Na1Kh2  
    OP
       2018-10-19 15:16:14 +08:00
    @no1xsyzy emmm 谢了大佬
    Na1Kh2
        9
    Na1Kh2  
    OP
       2018-10-19 15:16:31 +08:00
    @no1xsyzy 手动委屈.gif
    hgw514
        10
    hgw514  
       2018-10-19 17:11:20 +08:00
    https://docs.python.org/3/library/ipaddress.html#ip-network-definitions
    Python3 标准库 ipaddress 可以处理 IP 网段,考虑用 CIDR 格式划分子网?
    pythonnoob
        11
    pythonnoob  
       2018-10-20 10:26:08 +08:00 via Android
    基本功太差
    pythonnoob
        12
    pythonnoob  
       2018-10-20 11:01:53 +08:00
    随手写了一个,没考虑效率方面的问题:
    def create_ip_address(one, two, three, four):
    int_list = []
    for i in one, two, three, four:
    if isinstance(i, int):
    i = [i]
    i_len = len(i)
    if i_len == 1:
    int_list.append(i)
    elif i_len == 2:
    int_list.append(range(i[0], i[1]+1))
    else:
    raise ValueError('元组内只能有 1~2 个数字')
    ip_list = []
    for s in int_list:
    s_list = [str(w) for w in s]
    if not ip_list:
    ip_list = s_list
    else:
    ip_list = ['.'.join([o, p]) for p in s_list for o in ip_list]
    return ip_list


    if __name__ == '__main__':
    test_create = create_ip_address(1, (3, 50), (5, 6), (7, 8))
    print(len(test_create), test_create)
    pythonnoob
        13
    pythonnoob  
       2018-10-20 11:04:33 +08:00
    图: https://s1.ax1x.com/2018/10/20/i01I00.jpg
    注:也没考虑捣乱的情况
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