o 2c@s^dZddlZddlZddlZejZejZddZddZddZ d d Z d d Z dd dZ dS)z*Generic Internet address helper functions.NcCs.|tkr tj|S|tkrtj|dSt)aConvert the textual form of a network address into its binary form. *family* is an ``int``, the address family. *text* is a ``str``, the textual address. Raises ``NotImplementedError`` if the address family specified is not implemented. Returns a ``bytes``. T)AF_INETdnsipv4 inet_atonAF_INET6ipv6NotImplementedError)familytextr >/var/www/html/gps/gps/lib/python3.10/site-packages/dns/inet.py inet_pton!s  r cCs,|tkr tj|S|tkrtj|St)a0Convert the binary form of a network address into its textual form. *family* is an ``int``, the address family. *address* is a ``bytes``, the network address in binary form. Raises ``NotImplementedError`` if the address family specified is not implemented. Returns a ``str``. )rrr inet_ntoarrr)r addressr r r inet_ntop6s   rc CsNz tj|tWSty&z tj|dtWYSty%tww)zDetermine the address family of a textual-form network address. *text*, a ``str``, the textual address. Raises ``ValueError`` if the address family cannot be determined from the input. Returns an ``int``. T)rrrr Exceptionrr ValueErrorr r r r af_for_addressKs    rc Csfztj|d}|dko|dkWSty2ztj|dd}|dkWYSty1tww)zIs the textual-form network address a multicast address? *text*, a ``str``, the textual address. Raises ``ValueError`` if the address family cannot be determined from the input. Returns a ``bool``. rT)rrrrrr)r firstr r r is_multicastas   rc CsPz tj|WdSty'z tj|dWYdSty&YYdSww)z{Is the specified string an IPv4 or IPv6 address? *text*, a ``str``, the textual address. Returns a ``bool``. TF)rrrrrrr r r is_addressws   rc Cs|\}}|dur t|}|tkr||fS|tkrg|d}|dkr'||ddfS|d|}||dd}|rA||dt|fSz ||dt|fWStyftj }tj |||d^^}} }| YSwt d|)aYGiven a "high-level" address tuple, i.e. an (address, port) return the appropriate "low-level" address tuple suitable for use in socket calls. If an *af* other than ``None`` is provided, it is assumed the address in the high-level tuple is valid and has that af. If af is ``None``, then af_for_address will be called. N%r)flagszunknown address family ) rrrfindisdigitintsocketif_nametoindexAttributeErrorAI_NUMERICHOST getaddrinfor) high_tupleafrportiaddrpartscopeai_flags_tupr r r low_level_address_tuples*     r/)N) __doc__r!dns.ipv4rdns.ipv6rrr rrrrr/r r r r s