U ˆjÇã@szdZddlmZddlmZmZddlmZmZddl m Z ddl m Z ddl mZdd „Zd d „ZGd d „d ejƒZdS)z hosts(5) support. é)Údefer)Ú isIPAddressÚ isIPv6Address)ÚcommonÚdns)Úfailure)Ú nativeString)ÚFilePathc CsÒg}z| ¡ ¡}Wntk r,|YSX| ¡}|D]’}| d¡}|dkr\|d|…}|sbq:| ¡}| ¡dd„|dd…Dƒkr:zt|dƒ}Wntk r°Yq:YnXt|ƒsÂt |ƒr:|  |¡q:|S)a± Search the given file, which is in hosts(5) standard format, for addresses associated with a given name. @param hostsFile: The name of the hosts(5)-format file to search. @type hostsFile: L{FilePath} @param name: The name to search for. @type name: C{bytes} @return: L{None} if the name is not found in the file, otherwise a C{str} giving the address in the file associated with the name. ó#éÿÿÿÿNcSsg|] }| ¡‘qS©)Úlower)Ú.0Úsr r ú7/tmp/pip-unpacked-wheel-j5h_c8_q/twisted/names/hosts.pyÚ /sz$searchFileForAll..ér) Z getContentÚ splitlinesÚ BaseExceptionr ÚfindÚsplitrÚ ValueErrorrrÚappend)Z hostsFileÚnameÚresultsÚlinesÚlineÚidxÚpartsZmaybeIPr r rÚsearchFileForAlls*     rcCstt|ƒ|ƒ}|r|dSdS)a² Grep given file, which is in hosts(5) standard format, for an address entry with a given name. @param file: The name of the hosts(5)-format file to search. @type file: C{str} or C{bytes} @param name: The name to search for. @type name: C{bytes} @return: L{None} if the name is not found in the file, otherwise a C{str} giving the first address in the file associated with the name. rN)rr )ÚfilerÚ addressesr r rÚ searchFileFor9sr"c@sJeZdZdZddd„Zdd„Zdd „Zd d „Zdd d„Zddd„Z eZ d S)ÚResolverz9 A resolver that services hosts(5) format files. ó /etc/hostsécCstj |¡||_||_dS©N)rÚ ResolverBaseÚ__init__r Úttl)Úselfr r)r r rr(Ss zResolver.__init__cs$t‡‡fdd„ttˆjƒˆƒDƒƒS)zv Return a tuple of L{dns.RRHeader} instances for all of the IPv4 addresses in the hosts file. c 3s8|]0}t|ƒrt ˆtjtjˆjt |ˆj¡¡VqdSr&)rrÚRRHeaderÚAÚINr)ZRecord_A©rÚaddr©rr*r rÚ ]sþz%Resolver._aRecords..©Útuplerr r ©r*rr r0rÚ _aRecordsXsþzResolver._aRecordscs$t‡‡fdd„ttˆjƒˆƒDƒƒS)zv Return a tuple of L{dns.RRHeader} instances for all of the IPv6 addresses in the hosts file. c 3s8|]0}t|ƒrt ˆtjtjˆjt |ˆj¡¡VqdSr&)rrr+ZAAAAr-r)Z Record_AAAAr.r0r rr1hsü ÿz(Resolver._aaaaRecords..r2r4r r0rÚ _aaaaRecordscsüzResolver._aaaaRecordscCs*|rt |ddf¡St t t |¡¡¡S)aF Generate a response for the given name containing the given result records, or a failure if there are no result records. @param name: The DNS name the response is for. @type name: C{str} @param records: A tuple of L{dns.RRHeader} instances giving the results that will go into the response. @return: A L{Deferred} which will fire with a three-tuple of result records, authority records, and additional records, or which will fail with L{dns.DomainError} if there are no result records. r )rZsucceedZfailrZFailurerZ DomainError)r*rÚrecordsr r rÚ_respondpszResolver._respondNcCst |¡}| || |¡¡S)zm Read any IPv4 addresses from C{self.file} and return them as L{Record_A} instances. )rÚ domainStringr8r5©r*rÚtimeoutr r rÚ lookupAddressƒs zResolver.lookupAddresscCst |¡}| || |¡¡S)zp Read any IPv6 addresses from C{self.file} and return them as L{Record_AAAA} instances. )rr9r8r6r:r r rÚlookupIPV6Address‹s zResolver.lookupIPV6Address)r$r%)N)N) Ú__name__Ú __module__Ú __qualname__Ú__doc__r(r5r6r8r<r=ZlookupAllRecordsr r r rr#Ns     r#N)rAZtwisted.internetrZtwisted.internet.abstractrrZ twisted.namesrrZtwisted.pythonrZtwisted.python.compatrZtwisted.python.filepathr rr"r'r#r r r rÚs    '