ipv4与ipv6地址如何转换的python解决办法，ipv6python,ipv4与ipv6地址如

ipv4与ipv6地址如何转换的python解决办法，ipv6python,ipv4与ipv6地址如

ipv4与ipv6地址如何转换的python解决办法。要想知道ipv4与ipv6地址转换的问题，首先要了解它的概念。

ipv4与ipv6地址是什么简单的来说一下：
IPv4：是互联网协议的第四版,同时也是第一个被广泛使用，构成现今互联网技术的基石的协议；
IPv6：是互联网工程任务组设计的用于替代现行版本IPv4的下一代IP协议；
目前IP协议的版本号是IPv4，它的下一个版本就是IPv6。

ipv4与ipv6地址如何转换的python解决办法，源码如下：（需要用到twisted.python.compat及struct和python socket方法）

import struct,socket#import twisted.python.compat  #导入twisted.python.compat 更方便# ipv4数字地址 def ipv4_to_string(ipv4):    ipv4_n = socket.htonl(ipv4)    data = struct.pack('I', ipv4_n)    ipv4_string = socket.inet_ntop(socket.AF_INET, data)    return ipv4_stringdef ipv4_from_string(ipv4_string):    data = socket.inet_pton(socket.AF_INET, ipv4_string)    ipv4_n = struct.unpack('I', data)    ipv4 = socket.ntohl(ipv4_n[0])    return ipv4def ipv4_readable2int(ipv4):    return int(ipv4)def ipv4_int2readable(ipv4):    return str(ipv4)# ipv6用四个整数(tuple或用,分开的字符串)表示def ipv6_to_string(ipv6):    ipv6_n = (socket.htonl(ipv6[0]),              socket.htonl(ipv6[1]),              socket.htonl(ipv6[2]),              socket.htonl(ipv6[3]))    data = struct.pack('IIII', ipv6_n[0], ipv6_n[1], ipv6_n[2], ipv6_n[3])    ipv6_string = socket.inet_ntop(socket.AF_INET6, data)    return ipv6_stringdef ipv6_from_string(ipv6_string):    data = socket.inet_pton(socket.AF_INET6, ipv6_string)    ipv6_n = struct.unpack('IIII', data)    ipv6 = (socket.ntohl(ipv6_n[0]),            socket.ntohl(ipv6_n[1]),            socket.ntohl(ipv6_n[2]),            socket.ntohl(ipv6_n[3]))    return ipv6def ipv6_tuple2readable(ipv6):    return str(ipv6[0]) + ',' + str(ipv6[1]) + ',' + str(ipv6[2]) + ',' + str(ipv6[3])def ipv6_readable2tuple(ipv6):    return tuple(ipv6.split(','))#win32 下实现 inet_pton 和 inet_ntopdef inet_ntop(family, ipstr):    if family== socket.AF_INET:        return socket.inet_ntoa(ipstr)    elif family== socket.AF_INET6:        v6addr = ':'.join(('%02X%02X' % (ord(i), ord(j)))                         for i,j in zip(ipstr[::2], ipstr[1::2]))        return v6addr#www.iplaypy.comdef inet_pton(family, addr):    if family== socket.AF_INET:        return socket.inet_aton(addr)    elif family== socket.AF_INET6:        if '.' in addr: # a v4 addr             v4addr = addr[addr.rindex(':')+1:]             v4addr = socket.inet_aton(v4addr)             v4addr = map(lambda x: ('%02X' % ord(x)), v4addr)             v4addr.insert(2, ':')             newaddr = addr[:addr.rindex(':')+1] + ''.join(v4addr)             return inet_pton(family, newaddr)        dbyts = [0]* 8 # 8 groups        grps = addr.split(':')        for i,v in enumerate(grps):            if v:                dbyts[i] = int(v, 16)            else:                for j, w in enumerate(grps[::-1]):                    if w:                        dbyts[7-j] = int(w, 16)                    else:                        break                break        return ''.join( (chr(i//256) + chr(i%256)) for i in dbyts)    else:        raise RuntimeError("What family?") 

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