python IPv6 十进制和十六进制互转
IPv6 转 十进制：
1 #!/usr/bin/python 2 # -*- coding: UTF-8 -*- 3 4 import re 5 6 def ipv62dec(ipv6): 7 if checkipv6(ipv6): 8 compressIndex = ipv6.find('::') 9 print("compressIndex:"+str(compressIndex)) 10 11 ipv4Index = ipv6.find('.') 12 print("ipv4Index:"+str(ipv4Index)) 13 14 if compressIndex==-1 and ipv4Index==-1: 15 print 'num: %d' % (noCompressipv62dec(ipv6)) 16 elif compressIndex!=-1 and ipv4Index==-1: 17 print 'num: %d' % (compressipv62dec(ipv6)) 18 elif compressIndex==-1 and ipv4Index!=-1: 19 ipv4,ipv6=ipv4v6Split(ipv6) 20 if ipv4 and ipv6: 21 print 'num: %d' % (ipv42dec(ipv4)+noCompressipv62dec(ipv6)) 22 else: 23 return "" 24 elif compressIndex != -1 and ipv4Index != -1: 25 ipv4, ipv6 = ipv4v6Split(ipv6) 26 if ipv4 and ipv6: 27 print 'num: %d' % (ipv42dec(ipv4)+compressipv62dec(ipv6)) 28 else: 29 return "" 30 else: 31 return "" 32 else: 33 return "" 34 35 def ipv42dec(ip): 36 dec_value = 0 37 v_list = ip.split('.') 38 v_list.reverse() 39 t = 1 40 for v in v_list: 41 dec_value += int(v) * t 42 t = t * (2 ** 8) 43 return dec_value 44 45 #Ipv6每段不补齐0 形成完整的4位，如2001:DB8:0:23:8:800:200C:417A，补齐为2001:0DB8:0000:0023:0008:0800:200C:417A 46 def ipseg2str(ipseglist): 47 ipstr='' 48 for ipseg in ipseglist: 49 if len(ipseg) == 1: 50 ipseg = '000' + ipseg 51 elif len(ipseg) == 2: 52 ipseg = '00' + ipseg 53 elif len(ipseg) == 3: 54 ipseg = '0' + ipseg 55 elif len(ipseg) == 4: 56 ipseg = ipseg 57 else: 58 return "" 59 ipstr += ipseg 60 return ipstr 61 62 ##没有0压缩的Ipv6转换为十进制，如2001:DB8:0:23:8:800:200C:417A 63 def noCompressipv62dec(ipv6): 64 iplist = ipv6.split(":") 65 if iplist: 66 ipstr = ipseg2str(iplist) 67 print(ipstr) 68 return int(ipstr, 16) 69 else: 70 return "" 71 72 #带0压缩的ipv6转换为十进制，如FF01::1101 73 def compressipv62dec(ipv6): 74 compressList = ipv6.split("::") 75 print("compressList:" + str(compressList)) 76 ipstr = "" 77 part1 = [] 78 part2 = [] 79 if len(compressList) == 2: 80 part1 = compressList[0].split(":") if compressList[0] else [] 81 part2 = compressList[1].split(":") if compressList[1] else [] 82 if part1 or part2: 83 ipstr += ipseg2str(part1) 84 for i in range(8 - len(part1) - len(part2)): 85 ipstr += '0000' 86 ipstr += ipseg2str(part2) 87 print("ipstr:" + ipstr) 88 return int(ipstr, 16) 89 else: 90 return "" 91 92 #将内嵌ipv4的ipv6中的ipv6和ipv4分隔开，如FFFF::192.168.0.1 分隔为ipv4 192.168.0.1 ipv6 FFFF::0000:0000 93 def ipv4v6Split(ipv6): 94 ipv4str = '' 95 ipv6str = '' 96 if checkipv6(ipv6): 97 list = ipv6.split(":") 98 if list: 99 ipv4str = list[len(list) - 1] 100 list.pop() 101 ipv6str = ":".join(list) + ":0000:0000" 102 print("ipv4:" + ipv4str) 103 print("ipv6:" + ipv6str) 104 return ipv4str,ipv6str 105 106 #校验ipv6的格式 107 def checkipv6(ipv6): 108 matchobj = re.match(r'^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$',ipv6) 109 if matchobj: 110 return True 111 else: 112 return False 113 114 ipv62dec('55555:5e:0:0:0:0:0:5668:eeee') 115 ipv62dec('5555:5e:0:0:0:0:0:5668') 116 ipv62dec('5555:5e::5668') 117 ipv62dec('5555:5e::') 118 ipv62dec('::5555:5e') 119 ipv62dec('2001:DB8:0:23:8:800:192.168.0.1') 120 ipv62dec('FFFF::192.168.0.1') 121 ipv62dec('::192.168.0.1') 122 ipv62dec('::FFFF:192.168.0.1')
十进制 转 IPv6：
1 #!/usr/bin/python 2 # -*- coding: UTF-8 -*- 3 4 import re 5 6 #将ipv6中段中的0压缩，如005e 压缩为5e 7 def subZero(ipseg): 8 index=0 9 for i in range(len(ipseg)): 10 if ipseg[i]=='0': 11 index+=1 12 else: 13 break 14 if index>=2: 15 return ipseg[index:] if ipseg[index:] else '0' 16 else: 17 return ipseg 18 19 #将十进制数转换为ipv6 20 def dec2ipv6(dec): 21 if checkdec(dec) and int(dec)<=340282366920938463463374607431768211455: 22 hexstr=(hex(int(dec)))[2:] 23 hexstrlen = len(hexstr) 24 while hexstrlen<32: 25 hexstr='0'+hexstr 26 hexstrlen+=1 27 result=subZero(hexstr[0:4])+":"+subZero(hexstr[4:8])+":"+subZero(hexstr[8:12])+":"+subZero(hexstr[12:16])+":"+subZero(hexstr[16:20])+":"+subZero(hexstr[20:24])+":"+subZero(hexstr[24:28])+":"+subZero(hexstr[28:]) 28 print("result:"+result) 29 return result 30 else: 31 return "" 32 33 #校验十进制数字 34 def checkdec(dec): 35 matchobj = re.match(r'(0[dD])?[0-9]+$',dec) 36 if matchobj: 37 return True 38 else: 39 return False 40 41 42 dec2ipv6('340277174624079928635746076938671226881') 43 dec2ipv6('42540766411282593502542288130627076097') 44 dec2ipv6('281473913978881') 45 dec2ipv6('340277174624079928635746076938671226881') 46 dec2ipv6('113425732322140585886096426104944350824')
