o 2³c«ã@sndZddlZddlZddlZddlZe d¡Zdd„Ze d¡Z e d¡Z e d¡Z dd d „Z d Z d d„ZdS)zIPv6 helper functions.éNz 0+([0-9a-f]+)cCs”t|ƒdkr tdƒ‚t |¡}g}d}t|ƒ}||kr@|||d… ¡}t |¡}|dur3| d¡}| |¡|d7}||ksd}d}d} d} t d ƒD]!}||d krg| rf|} | | } | |krd| }| }d} qL| sm|} d } qL| r~d } | | } | |kr~| }| }|dkrÃ|dkr«|d ks”|d kr«|d dkr«|d kr›d} nd} | t j   |dd…¡}|Sd  |d|…¡dd  |||d…¡}|Sd  |¡}|S)zÍConvert an IPv6 address in binary form to text form. *address*, a ``bytes``, the IPv6 address in binary form. Raises ``ValueError`` if the address isn't 16 bytes long. Returns a ``str``. éz IPv6 addresses are 16 bytes longréNééÿÿÿÿFéÚ0TééÚffffz::z::ffff:é ú:)ÚlenÚ ValueErrorÚbinasciiÚhexlifyÚdecodeÚ _leading_zeroÚmatchÚgroupÚappendÚrangeÚdnsÚipv4Ú inet_ntoaÚjoin)ÚaddressÚhexÚchunksÚiÚlÚchunkÚmÚ best_startÚbest_lenÚstartÚ last_was_zeroÚendÚ current_lenÚprefix©r)ú>/var/www/html/gps/gps/lib/python3.10/site-packages/dns/ipv6.pyrsr     ÷   €€ÿþ þüÿ ÿrs(.*):(\d+\.\d+\.\d+\.\d+)$s::.*s.*::$Fc Cs$t|tƒs | ¡}|r%| d¡}t|ƒ}|dkr|d}n|dkr%tjj‚|dkr-tjj‚| d¡r;| d¡s;tjj‚|  d¡rI|  d¡sItjj‚|dkrOd}t   |¡}|durytj   | d¡¡}d  | d ¡ ¡|d|d |d|d ¡ ¡}t  |¡}|dur‰|d d…}nt  |¡}|dur˜|dd …}| d¡}t|ƒ}|d kr©tjj‚d}g}|D]=} | dkrÏ|r»tjj‚d}tdd |d ƒD]} | d¡qÆq¯t| ƒ} | dkrÛtjj‚| dkrçdd| | } | | ¡q¯|d kr÷|s÷tjj‚d |¡}zt |¡WStjtfytjj‚w)aConvert an IPv6 address in text form to binary form. *text*, a ``str``, the IPv6 address in textual form. *ignore_scope*, a ``bool``. If ``True``, a scope will be ignored. If ``False``, the default, it is an error for a scope to be present. Returns a ``bytes``. ó%éróó:s::s0::Nz{}:{:02x}{:02x}:{:02x}{:02x}rérrFTs0000ró0)Ú isinstanceÚbytesÚencodeÚsplitr rÚ exceptionÚ SyntaxErrorÚendswithÚ startswithÚ _v4_endingrrÚ inet_atonrÚformatrÚ_colon_colon_startÚ_colon_colon_endrrrrÚ unhexlifyÚErrorÚ TypeError) ÚtextÚ ignore_scopeÚpartsrr!ÚbrÚ seen_emptyÚ canonicalÚcÚ_Úlcr)r)r*r:csx    þþ     ÿ    ÿr:s ÿÿcCs | t¡S)zŒIs the specified address a mapped IPv4 address? *address*, a ``bytes`` is an IPv6 address in binary form. Returns a ``bool``. )r8Ú_mapped_prefix)rr)r)r*Ú is_mapped½s rK)F)Ú__doc__ÚrerÚ dns.exceptionrÚdns.ipv4Úcompilerrr9r<r=r:rJrKr)r)r)r*Ús  C   X