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� !`Nc @ s� d Z d d l Z d d l Z d d l Z e j Z y e j Z Wn e k rY d Z n Xd � Z d � Z d � Z d � Z d S( s* Generic Internet address helper functions.i����Ni' c C sB | t k r t j j | � S| t k r8 t j j | � St � d S( s* Convert the textual form of a network address into its binary form. @param family: the address family @type family: int @param text: the textual address @type text: string @raises NotImplementedError: the address family specified is not implemented. @rtype: string N( t AF_INETt dnst ipv4t inet_atont AF_INET6t ipv6t NotImplementedError( t familyt text( ( s. /usr/lib64/python2.7/site-packages/dns/inet.pyt inet_pton% s c C sB | t k r t j j | � S| t k r8 t j j | � St � d S( s/ Convert the binary form of a network address into its textual form. @param family: the address family @type family: int @param address: the binary address @type address: string @raises NotImplementedError: the address family specified is not implemented. @rtype: string N( R R R t inet_ntoaR R R ( R t address( ( s. /usr/lib64/python2.7/site-packages/dns/inet.pyt inet_ntop8 s c C sR y t j j | � } t SWn1 y t j j | � } t SWqN t � qN Xn Xd S( s� Determine the address family of a textual-form network address. @param text: the textual address @type text: string @raises ValueError: the address family cannot be determined from the input. @rtype: int N( R R R R R R t ValueError( R t junk( ( s. /usr/lib64/python2.7/site-packages/dns/inet.pyt af_for_addressJ s c C s~ y6 t t j j | � d � } | d k o4 | d k SWnA y* t t j j | � d � } | d k SWqz t � qz Xn Xd S( s� Is the textual-form network address a multicast address? @param text: the textual address @raises ValueError: the address family cannot be determined from the input. @rtype: bool i i� i� i� N( t ordR R R R R ( R t first( ( s. /usr/lib64/python2.7/site-packages/dns/inet.pyt is_multicast\ s ( t __doc__t sockett dns.ipv4R t dns.ipv6R R t AttributeErrorR R R R ( ( ( s. /usr/lib64/python2.7/site-packages/dns/inet.pyt <module> s