class twisted.names.hosts.Resolver(common.ResolverBase): (source)
A resolver that services hosts(5) format files.
| Method | __init__ | Undocumented |
| Instance Variable | file | Undocumented |
| Instance Variable | ttl | Undocumented |
| Method | lookupAddress | Read any IPv4 addresses from self.file and return them as Record_A instances. |
| Method | lookupIPV6Address | Read any IPv6 addresses from self.file and return them as Record_AAAA instances. |
| Method | _aRecords | Return a tuple of dns.RRHeader instances for all of the IPv4 addresses in the hosts file. |
| Method | _aaaaRecords | Return a tuple of dns.RRHeader instances for all of the IPv6 addresses in the hosts file. |
| Method | _respond | Generate a response for the given name containing the given result records, or a failure if there are no result records. |
Inherited from ResolverBase:
| Instance Variable | typeToMethod | Undocumented |
| Method | exceptionForCode | Convert a response code (one of the possible values of dns.Message.rCode to an exception instance representing it. |
| Method | query | Dispatch query to the method which can handle its type. |
| Method | lookupAddress6 | Perform an A6 record lookup. |
| Method | lookupMailExchange | Perform an MX record lookup. |
| Method | lookupNameservers | Perform an NS record lookup. |
| Method | lookupCanonicalName | Perform a CNAME record lookup. |
| Method | lookupMailBox | Perform an MB record lookup. |
| Method | lookupMailGroup | Perform an MG record lookup. |
| Method | lookupMailRename | Perform an MR record lookup. |
| Method | lookupPointer | Perform a PTR record lookup. |
| Method | lookupAuthority | Perform an SOA record lookup. |
| Method | lookupNull | Perform a NULL record lookup. |
| Method | lookupWellKnownServices | Perform a WKS record lookup. |
| Method | lookupService | Perform an SRV record lookup. |
| Method | lookupHostInfo | Perform a HINFO record lookup. |
| Method | lookupMailboxInfo | Perform an MINFO record lookup. |
| Method | lookupText | Perform a TXT record lookup. |
| Method | lookupSenderPolicy | Perform a SPF record lookup. |
| Method | lookupResponsibility | Perform an RP record lookup. |
| Method | lookupAFSDatabase | Perform an AFSDB record lookup. |
| Method | lookupZone | Perform an AXFR record lookup. |
| Method | lookupNamingAuthorityPointer | Perform a NAPTR record lookup. |
| Method | lookupAllRecords | Perform an ALL_RECORD lookup. |
| Method | getHostByName | Resolve the domain name name into an IP address. |
| Class Variable | _errormap | A dict mapping DNS protocol failure response codes to exception classes which will be used to represent those failures. |
| Class Variable | _log | Undocumented |
| Method | _lookup | Undocumented |
| Method | _cbRecords | Undocumented |
Return a tuple of dns.RRHeader instances for all of the IPv4 addresses in the hosts file.
Return a tuple of dns.RRHeader instances for all of the IPv6 addresses in the hosts file.
Generate a response for the given name containing the given result records, or a failure if there are no result records.
| Parameters | name | The DNS name the response is for. (type: str) |
| records | A tuple of dns.RRHeader instances giving the results that will go into the response. | |
| Returns | A Deferred which will fire with a three-tuple of result records, authority records, and additional records, or which will fail with dns.DomainError if there are no result records. | |
Read any IPv4 addresses from self.file and return them as Record_A instances.
Read any IPv6 addresses from self.file and return them as Record_AAAA instances.