U ¹êW[©ã@sŽdZddlmZmZddlmZddlmZddlm Z ddl m Z ddl m Z ddlmZdd lmZd d „Zd d „ZGdd„dejƒZdS)z hosts(5) support. é)ÚdivisionÚabsolute_import)Ú nativeString)Údns)Úfailure)ÚFilePath)Údefer)Ú isIPAddress)ÚcommoncCs˜g}z| ¡ ¡}Wn|YSX| ¡}|D]`}| d¡}|dkrT|d|…}|sZq2| ¡}| ¡dd„|dd…Dƒkr2| t|dƒ¡q2|S)a« Search the given file, which is in hosts(5) standard format, for an address entry 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{str} @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 ú5/usr/lib/python3/dist-packages/twisted/names/hosts.pyÚ 1sz$searchFileForAll..ér)Z getContentÚ splitlinesrÚfindÚsplitÚappendr)Z hostsFileÚnameZresultsÚlinesÚlineÚidxÚpartsr r rÚsearchFileForAlls    rcCstt|ƒ|ƒ}|r|dSdS)a Grep given file, which is in hosts(5) standard format, for an address entry with a given name. @param file: The name of the hosts(5)-format file to search. @param name: The name to search for. @type name: C{str} @return: L{None} if the name is not found in the file, otherwise a C{str} giving the address in the file associated with the name. rN)rr)ÚfilerZ addressesr r rÚ searchFileFor7s rc@sJeZdZdZddd„Zdd„Zdd „Zd d „Zdd d„Zddd„Z eZ d S)ÚResolverz9 A resolver that services hosts(5) format files. ó /etc/hostsécCstj |¡||_||_dS)N)r Ú ResolverBaseÚ__init__rÚttl)Úselfrr%r r rr$Os zResolver.__init__cs$t‡‡fdd„ttˆjƒˆƒDƒƒS)zv Return a tuple of L{dns.RRHeader} instances for all of the IPv4 addresses in the hosts file. c s6g|].}t|ƒrt ˆtjtjˆjt |ˆj¡¡‘qSr )r rÚRRHeaderÚAÚINr%ZRecord_A©rZaddr©rr&r rrZs ü ÿz&Resolver._aRecords..©Útuplerrr©r&rr r+rÚ _aRecordsUsüzResolver._aRecordscs$t‡‡fdd„ttˆjƒˆƒDƒƒS)zv Return a tuple of L{dns.RRHeader} instances for all of the IPv6 addresses in the hosts file. c s6g|].}t|ƒst ˆtjtjˆjt |ˆj¡¡‘qSr )r rr'ZAAAAr)r%Z Record_AAAAr*r+r rrgs ü ÿz)Resolver._aaaaRecords..r,r.r r+rÚ _aaaaRecordsbsüzResolver._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&rZrecordsr r rÚ_respondoszResolver._respondNcCs| || |¡¡S)zm Read any IPv4 addresses from C{self.file} and return them as L{Record_A} instances. )r1r/©r&rZtimeoutr r rÚ lookupAddressƒszResolver.lookupAddresscCs| || |¡¡S)zp Read any IPv6 addresses from C{self.file} and return them as L{Record_AAAA} instances. )r1r0r2r r rÚlookupIPV6Address‹szResolver.lookupIPV6Address)r!r")N)N) Ú__name__Ú __module__Ú __qualname__Ú__doc__r$r/r0r1r3r4ZlookupAllRecordsr r r rr Ks     r N)r8Z __future__rrZtwisted.python.compatrZ twisted.namesrZtwisted.pythonrZtwisted.python.filepathrZtwisted.internetrZtwisted.internet.abstractr r rrr#r r r r rÚs       #