class documentation

class CommandLocator: (source)

Known subclasses: twisted.protocols.amp.AMP

Implements interfaces: twisted.protocols.amp.IResponderLocator

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A CommandLocator is a collection of responders to AMP Commands, with the help of the Command.responder decorator.

Method locateResponder Locate a callable to invoke when executing the named command.
Method lookupFunction Deprecated synonym for CommandLocator.locateResponder
Method _wrapWithSerialization Wrap aCallable with its command's argument de-serialization and result serialization logic.
def locateResponder(self, name): (source)

Locate a callable to invoke when executing the named command.

Parameters
name:bytesthe normalized name (from the wire) of the command.
Returns
a 1-argument function that takes a Box and returns a box or a Deferred which fires a Box, for handling the command identified by the given name, or None, if no appropriate responder can be found.
def lookupFunction(self, name): (source)

Deprecated synonym for CommandLocator.locateResponder

def _wrapWithSerialization(self, aCallable, command): (source)

Wrap aCallable with its command's argument de-serialization and result serialization logic.

Parameters
aCallablea callable with a 'command' attribute, designed to be called with keyword arguments.
commandthe command class whose serialization to use.
Returns
a 1-arg callable which, when invoked with an AmpBox, will deserialize the argument list and invoke appropriate user code for the callable's command, returning a Deferred which fires with the result or fails with an error.