"""Base config factories. Authors: * Min RK """ #----------------------------------------------------------------------------- # Copyright (C) 2010-2011 The IPython Development Team # # Distributed under the terms of the BSD License. The full license is in # the file COPYING, distributed as part of this software. #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Imports #----------------------------------------------------------------------------- import logging import os import zmq from zmq.eventloop.ioloop import IOLoop from IPython.config.configurable import Configurable from IPython.utils.localinterfaces import LOCALHOST from IPython.utils.traitlets import Integer, Instance, Unicode from IPython.parallel.util import select_random_ports from IPython.kernel.zmq.session import Session, SessionFactory #----------------------------------------------------------------------------- # Classes #----------------------------------------------------------------------------- class RegistrationFactory(SessionFactory): """The Base Configurable for objects that involve registration.""" url = Unicode('', config=True, help="""The 0MQ url used for registration. This sets transport, ip, and port in one variable. For example: url='tcp://%s:12345' or url='epgm://*:90210'""" % LOCALHOST) # url takes precedence over ip,regport,transport transport = Unicode('tcp', config=True, help="""The 0MQ transport for communications. This will likely be the default of 'tcp', but other values include 'ipc', 'epgm', 'inproc'.""") ip = Unicode(LOCALHOST, config=True, help="""The IP address for registration. This is generally either '127.0.0.1' for loopback only or '*' for all interfaces. [default: '%s']""" % LOCALHOST) regport = Integer(config=True, help="""The port on which the Hub listens for registration.""") def _regport_default(self): return select_random_ports(1)[0] def __init__(self, **kwargs): super(RegistrationFactory, self).__init__(**kwargs) self._propagate_url() self._rebuild_url() self.on_trait_change(self._propagate_url, 'url') self.on_trait_change(self._rebuild_url, 'ip') self.on_trait_change(self._rebuild_url, 'transport') self.on_trait_change(self._rebuild_url, 'regport') def _rebuild_url(self): self.url = "%s://%s:%i"%(self.transport, self.ip, self.regport) def _propagate_url(self): """Ensure self.url contains full transport://interface:port""" if self.url: iface = self.url.split('://',1) if len(iface) == 2: self.transport,iface = iface iface = iface.split(':') self.ip = iface[0] if iface[1]: self.regport = int(iface[1])