twisted.names.hosts.Resolver(common.ResolverBase) class documentation

Part of twisted.names.hosts (View In Hierarchy)

A resolver that services hosts(5) format files.

Method __init__ 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:

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.
Method _lookup Undocumented
Method _cbRecords Undocumented
def __init__(self, file='/etc/hosts', ttl=60 * 60):
overrides twisted.names.common.ResolverBase.__init__
Undocumented
def _aRecords(self, name):

Return a tuple of dns.RRHeader instances for all of the IPv4 addresses in the hosts file.

def _aaaaRecords(self, name):

Return a tuple of dns.RRHeader instances for all of the IPv6 addresses in the hosts file.

def _respond(self, name, records):

Generate a response for the given name containing the given result records, or a failure if there are no result records.

ParametersnameThe DNS name the response is for. (type: str)
recordsA tuple of dns.RRHeader instances giving the results that will go into the response.
ReturnsA 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.
def lookupAddress(self, name, timeout=None):
from twisted.internet.interfaces.IResolver
overrides twisted.names.common.ResolverBase.lookupAddress

Read any IPv4 addresses from self.file and return them as Record_A instances.

def lookupIPV6Address(self, name, timeout=None):
from twisted.internet.interfaces.IResolver
overrides twisted.names.common.ResolverBase.lookupIPV6Address

Read any IPv6 addresses from self.file and return them as Record_AAAA instances.

API Documentation for twisted, generated by pydoctor at 2020-03-25 17:34:30.