Hexadecimal = '0x' + ''.join(i.zfill(4) for i in fields)ĭef to_ipv6(n: int, compress=True) -> str: # decimal = sum(d * 65536 ** i for i, d in enumerate(digits)) Right = if i not in COLONS]Įmpty_fields = įields = Raise ValueError('Argument is not a valid IPv6 address') If (fields = 8 and colons != 1) or compressed:ĭef split_ipv6(ip: str) -> Iterable: Raise TypeError('Argument must be an instance of str') So I have written my own code, and here it is: import reįrom ipaddress import ip_address, IPv6AddressĭIGITS = frozenset('0123456789ABCDEFabcdef') I use this API: ')$'īut there is the second rule, that omits continuous zero fields for once and uses '::' in its place, for example, 0:0:0:0:0:0:0:0 -> ::īecause of the second rule, each of the eight places where the omitted fields can be requires at least one regex, so that is at least 8 regexes in total. I am writing a webscraper, and to reduce network IO bound time complexity I need to programmatically lookup DNS records of target addresses and change hosts file accordingly due to DNS poisoning by GFW. This is a simple Python 3 program that verifies whether a string is a valid IPv6 address or not, parses IPv6 address to its hexadecimal and decimal values, and converts an integer to IPv6 format.
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