o 2c" @sdZddlZddlZddlZddlZddlZddlZddlmZm Z m Z m Z ej j Zej jZGdddejjZdaddZdd Zejjejjd dd ddddf d d ZddZddZejjd ddfddZdS)Asynchronous DNS stub resolver.N)NXDOMAINNoAnswer NotAbsolute NoRootSOAc @sDeZdZdZejjejjdddddddf ddZ dd Z d d Z dS) ResolverrFNTrc  s0tj||||||| } | stj} t} | \} }|dur%|Sd}|s| \}}}}|r;| |IdH| | |}z+tj |ri|rYt | |||||| dIdH}nt | |||||d| dIdH}ntWnty}z| d|\}}WYd}~q'd}~ww| |d\}}|dur|S|r)q)aQuery nameservers asynchronously to find the answer to the question. *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, the default, then dnspython will use the default backend. See :py:func:`dns.resolver.Resolver.resolve()` for the documentation of the other parameters, exceptions, and return type of this method. TNFbackend)raise_on_truncationr )dnsresolver _Resolution asyncbackendget_default_backendtime next_requestnext_nameserversleep_compute_timeoutinet is_address_tcp_udpNotImplementedError Exception query_result)selfqnamerdtyperdclasstcpsourceraise_on_no_answer source_portlifetimesearchr resolutionstartrequestanswerdone nameserverportbackofftimeoutresponseex_r2G/var/www/html/gps/gps/lib/python3.10/site-packages/dns/asyncresolver.pyresolve(sV     zResolver.resolvecs6|jtj|g|Rtjjtjjd|IdHS)aUse an asynchronous resolver to run a reverse query for PTR records. This utilizes the resolve() method to perform a PTR lookup on the specified IP address. *ipaddr*, a ``str``, the IPv4 or IPv6 address you want to get the PTR record for. All other arguments that can be passed to the resolve() function except for rdtype and rdclass are also supported by this function. )rrN)r4r reversename from_address rdatatypePTR rdataclassIN)ripaddrargskwargsr2r2r3resolve_addressfs zResolver.resolve_addressc sTz|j|ddIdH}|j}W|Stjjy)}z |j}WYd}~|Sd}~ww)aDetermine the canonical name of *name*. The canonical name is the name the resolver uses for queries after all CNAME and DNAME renamings have been applied. *name*, a ``dns.name.Name`` or ``str``, the query name. This method can raise any exception that ``resolve()`` can raise, other than ``dns.resolver.NoAnswer`` and ``dns.resolver.NXDOMAIN``. Returns a ``dns.name.Name``. F)r"N)r4canonical_namer r r)rnamer)r?er2r2r3r?}szResolver.canonical_name) __name__ __module__ __qualname____doc__r r7Ar9r:r4r>r?r2r2r2r3r%s > rcCstdurttS)zDGet the default asynchronous resolver, initializing it if necessary.N)default_resolverreset_default_resolverr2r2r2r3get_default_resolversrIcCs tadS)zRe-initialize default asynchronous resolver. Note that the resolver configuration (i.e. /etc/resolv.conf on UNIX systems) will be re-read immediately. N)rrGr2r2r2r3rHs rHFTc s&t|||||||||| IdHS)a Query nameservers asynchronously to find the answer to the question. This is a convenience function that uses the default resolver object to make the query. See :py:func:`dns.asyncresolver.Resolver.resolve` for more information on the parameters. N)rIr4) rrrr r!r"r#r$r%r r2r2r3r4s   r4cs"tj|g|Ri|IdHS)zUse a resolver to run a reverse query for PTR records. See :py:func:`dns.asyncresolver.Resolver.resolve_address` for more information on the parameters. N)rIr>)r;r<r=r2r2r3r>s r>cst|IdHS)zDetermine the canonical name of *name*. See :py:func:`dns.resolver.Resolver.canonical_name` for more information on the parameters and possible exceptions. N)rIr?)r@r2r2r3r?sr?c st|trtj|tjj}|durt}|st| z|j |tj j |||dIdH}|j j|kr8|WSWn t tfyDYnwz|}Wn tjjyVtwq)zFind the name of the zone which contains the specified name. See :py:func:`dns.resolver.Resolver.zone_for_name` for more information on the parameters and possible exceptions. NTr) isinstancestrr r@ from_textrootrI is_absoluterr4r7SOArrsetrrparentNoParentr)r@rr r r r)r2r2r3 zone_for_names0   rS)rErdns.asyncbackendr dns.asyncquery dns.exception dns.query dns.resolverrrrr asyncqueryudprr rr BaseResolverrrGrIrHr7rFr9r:r4r>r?rSr2r2r2r3s.n