3 [_ð]1 ã @svdZddlZddlZddlZddlmZejZy ejZWne k rPdZYnXdd„Z dd „Z d d „Z d d „Z dS)z*Generic Internet address helper functions.éNé)Ú maybe_ordi'cCs0|tkrtjj|ƒS|tkr(tjj|ƒSt‚dS)a Convert the textual form of a network address into its binary form. *family* is an ``int``, the address family. *text* is a ``text``, the textual address. Raises ``NotImplementedError`` if the address family specified is not implemented. Returns a ``binary``. N)ÚAF_INETÚdnsÚipv4Ú inet_atonÚAF_INET6Úipv6ÚNotImplementedError)ÚfamilyÚtext©r ú-/tmp/pip-build-yz_zf6az/dnspython/dns/inet.pyÚ inet_pton)s   rcCs0|tkrtjj|ƒS|tkr(tjj|ƒSt‚dS)a2Convert the binary form of a network address into its textual form. *family* is an ``int``, the address family. *address* is a ``binary``, the network address in binary form. Raises ``NotImplementedError`` if the address family specified is not implemented. Returns a ``text``. N)rrrÚ inet_ntoarr r )r Úaddressr r rÚ inet_ntop>s   rcCsLytjj|ƒtStk rFytjj|ƒtSt‚YnXYnXdS)zåDetermine the address family of a textual-form network address. *text*, a ``text``, the textual address. Raises ``ValueError`` if the address family cannot be determined from the input. Returns an ``int``. N)rrrrÚ Exceptionr rÚ ValueError)r r r rÚaf_for_addressSs   rcCsty$ttjj|ƒdƒ}|dko$|dkStk rnyttjj|ƒdƒ}|dkStk rht‚YnXYnXdS)zÞIs the textual-form network address a multicast address? *text*, a ``text``, the textual address. Raises ``ValueError`` if the address family cannot be determined from the input. Returns a ``bool``. réàéïéÿN)rrrrrr r)r Úfirstr r rÚ is_multicastis r)Ú__doc__ÚsocketZdns.ipv4rZdns.ipv6Ú_compatrrrÚAttributeErrorrrrrr r r rÚs