twisted.conch.telnet.Telnet

class documentation

class Telnet(protocol.Protocol): (source)

Known subclasses: twisted.conch.telnet.TelnetTransport

View In Hierarchy

Method __init__ Undocumented
Method applicationDataReceived Called with application-level data.
Method commandReceived Undocumented
Method connectionLost Called when the connection is shut down.
Method dataReceived Called whenever data is received.
Method disableLocal Signal a programming error by raising an exception.
Method disableRemote Signal a programming error by raising an exception.
Method do Undocumented
Method do_no_false Undocumented
Method do_no_true Undocumented
Method do_yes_false Undocumented
Method do_yes_true Undocumented
Method dont Undocumented
Method dont_no_false Undocumented
Method dont_no_true Undocumented
Method dont_yes_false Undocumented
Method dont_yes_true Undocumented
Method enableLocal Reject all attempts to enable options.
Method enableRemote Reject all attempts to enable options.
Method getOptionState Undocumented
Method negotiate Undocumented
Method requestNegotiation Send a negotiation message for the option about with data as the payload.
Method telnet_DO Undocumented
Method telnet_DONT Undocumented
Method telnet_WILL Undocumented
Method telnet_WONT Undocumented
Method unhandledCommand Called for commands for which no handler is installed.
Method unhandledSubnegotiation Called for subnegotiations for which no handler is installed.
Method will Indicate our willingness to enable an option.
Method will_no_false Undocumented
Method will_no_true Undocumented
Method will_yes_false Undocumented
Method will_yes_true Undocumented
Method wont Indicate we are not willing to enable an option.
Method wont_no_false Undocumented
Method wont_no_true Undocumented
Method wont_yes_false Undocumented
Method wont_yes_true Undocumented
Class Variable doMap Undocumented
Class Variable dontMap Undocumented
Class Variable willMap Undocumented
Class Variable wontMap Undocumented
Instance Variable command Undocumented
Instance Variable commandMap A mapping of bytes to callables. When a telnet command is received, the command byte (the first byte after IAC) is looked up in this dictionary. If a callable is found, it is invoked with the argument of the command, or None if the command takes no argument...
Instance Variable commands Undocumented
Instance Variable negotiationMap A mapping of bytes to callables. When a subnegotiation command is received, the command byte (the first byte after SB) is looked up in this dictionary. If a callable is found, it is invoked with the argument of the subnegotiation...
Instance Variable options A mapping of option bytes to their current state. This state is likely of little use to user code. Changes should not be made to it.
Instance Variable state A string indicating the current parse state. It can take on the values "data", "escaped", "command", "newline", "subnegotiation", and "subnegotiation-escaped". Changes should not be made to it.
Instance Variable transport This protocol's transport object.
Class _OptionState Represents the state of an option on both sides of a telnet connection.
Method _do Undocumented
Method _dont Undocumented
Method _will Undocumented
Method _wont Undocumented
Method _write Undocumented

Inherited from Protocol:

Method logPrefix Return a prefix matching the class name, to identify log messages related to this protocol instance.
Class Variable factory Undocumented

Inherited from BaseProtocol (via Protocol):

Method connectionMade Called when a connection is made.
Method makeConnection Make a connection to a transport and a server.
Instance Variable connected Undocumented
def __init__(self): (source)
overridden in twisted.conch.telnet.TelnetTransport

Undocumented

def applicationDataReceived(self, data): (source)
overridden in twisted.conch.telnet.TelnetTransport

Called with application-level data.

def commandReceived(self, command, argument): (source)

Undocumented

def connectionLost(self, reason): (source)
from twisted.internet.interfaces.IProtocol
overrides twisted.internet.protocol.Protocol.connectionLost
overridden in twisted.conch.telnet.TelnetTransport

Called when the connection is shut down.

Clear any circular references here, and any external references to this Protocol. The connection has been closed.

Parameters
reason:twisted.python.failure.FailureUndocumented
def dataReceived(self, data): (source)
from twisted.internet.interfaces.IProtocol
overrides twisted.internet.protocol.Protocol.dataReceived

Called whenever data is received.

Use this method to translate to a higher-level message. Usually, some callback will be made upon the receipt of each complete protocol message.

Parameters
dataa string of indeterminate length. Please keep in mind that you will probably need to buffer some data, as partial (or multiple) protocol messages may be received! I recommend that unit tests for protocols call through to this method with differing chunk sizes, down to one byte at a time.
def disableLocal(self, option): (source)
overridden in twisted.conch.telnet.TelnetTransport

Signal a programming error by raising an exception.

enableLocal must return true for the given value of option in order for this method to be called. If a subclass of Telnet overrides enableLocal to allow certain options to be enabled, it must also override disableLocal to disable those options.

Raises
NotImplementedErrorAlways raised.
def disableRemote(self, option): (source)
overridden in twisted.conch.telnet.TelnetTransport

Signal a programming error by raising an exception.

enableRemote must return true for the given value of option in order for this method to be called. If a subclass of Telnet overrides enableRemote to allow certain options to be enabled, it must also override disableRemote tto disable those options.

Raises
NotImplementedErrorAlways raised.
def do(self, option): (source)

Undocumented

def do_no_false(self, state, option): (source)

Undocumented

def do_no_true(self, state, option): (source)

Undocumented

def do_yes_false(self, state, option): (source)

Undocumented

def do_yes_true(self, state, option): (source)

Undocumented

def dont(self, option): (source)

Undocumented

def dont_no_false(self, state, option): (source)

Undocumented

def dont_no_true(self, state, option): (source)

Undocumented

def dont_yes_false(self, state, option): (source)

Undocumented

def dont_yes_true(self, state, option): (source)

Undocumented

def enableLocal(self, option): (source)
overridden in twisted.conch.telnet.TelnetTransport

Reject all attempts to enable options.

def enableRemote(self, option): (source)
overridden in twisted.conch.telnet.TelnetTransport

Reject all attempts to enable options.

def getOptionState(self, opt): (source)

Undocumented

def negotiate(self, data): (source)

Undocumented

def requestNegotiation(self, about, data): (source)

Send a negotiation message for the option about with data as the payload.

Parameters
aboutUndocumented
data:bytesthe payload
See Also
ITelnetTransport.requestNegotiation
def telnet_DO(self, option): (source)

Undocumented

def telnet_DONT(self, option): (source)

Undocumented

def telnet_WILL(self, option): (source)

Undocumented

def telnet_WONT(self, option): (source)

Undocumented

def unhandledCommand(self, command, argument): (source)
overridden in twisted.conch.telnet.TelnetTransport

Called for commands for which no handler is installed.

def unhandledSubnegotiation(self, command, data): (source)
overridden in twisted.conch.telnet.TelnetTransport

Called for subnegotiations for which no handler is installed.

def will(self, option): (source)

Indicate our willingness to enable an option.

def will_no_false(self, state, option): (source)

Undocumented

def will_no_true(self, state, option): (source)

Undocumented

def will_yes_false(self, state, option): (source)

Undocumented

def will_yes_true(self, state, option): (source)

Undocumented

def wont(self, option): (source)

Indicate we are not willing to enable an option.

def wont_no_false(self, state, option): (source)

Undocumented

def wont_no_true(self, state, option): (source)

Undocumented

def wont_yes_false(self, state, option): (source)

Undocumented

def wont_yes_true(self, state, option): (source)

Undocumented

doMap = (source)

Undocumented

dontMap = (source)

Undocumented

willMap = (source)

Undocumented

wontMap = (source)

Undocumented

command = (source)

Undocumented

commandMap = (source)

A mapping of bytes to callables. When a telnet command is received, the command byte (the first byte after IAC) is looked up in this dictionary. If a callable is found, it is invoked with the argument of the command, or None if the command takes no argument. Values should be added to this dictionary if commands wish to be handled. By default, only WILL, WONT, DO, and DONT are handled. These should not be overridden, as this class handles them correctly and provides an API for interacting with them.

commands: list = (source)

Undocumented

negotiationMap: dict = (source)

A mapping of bytes to callables. When a subnegotiation command is received, the command byte (the first byte after SB) is looked up in this dictionary. If a callable is found, it is invoked with the argument of the subnegotiation. Values should be added to this dictionary if subnegotiations are to be handled. By default, no values are handled.

options: dict = (source)

A mapping of option bytes to their current state. This state is likely of little use to user code. Changes should not be made to it.

state: str = (source)

A string indicating the current parse state. It can take on the values "data", "escaped", "command", "newline", "subnegotiation", and "subnegotiation-escaped". Changes should not be made to it.

transport = (source)
overrides twisted.internet.protocol.BaseProtocol.transport

This protocol's transport object.

def _do(self, option): (source)

Undocumented

def _dont(self, option): (source)

Undocumented

def _will(self, option): (source)

Undocumented

def _wont(self, option): (source)

Undocumented

def _write(self, data): (source)

Undocumented