etisserant@203: #!/usr/bin/env python
etisserant@203: # -*- coding: utf-8 -*-
etisserant@203: #
etisserant@203: #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
etisserant@203: #
etisserant@203: #See COPYING file for copyrights details.
etisserant@203: #
etisserant@203: #This library is free software; you can redistribute it and/or
etisserant@203: #modify it under the terms of the GNU General Public
etisserant@203: #License as published by the Free Software Foundation; either
etisserant@203: #version 2.1 of the License, or (at your option) any later version.
etisserant@203: #
etisserant@203: #This library is distributed in the hope that it will be useful,
etisserant@203: #but WITHOUT ANY WARRANTY; without even the implied warranty of
etisserant@203: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
etisserant@203: #General Public License for more details.
etisserant@203: #
etisserant@203: #You should have received a copy of the GNU General Public
etisserant@203: #License along with this library; if not, write to the Free Software
etisserant@203: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
etisserant@203: 
etisserant@203: # Package initialisation
etisserant@203: 
etisserant@203: from os import listdir, path
etisserant@203: 
laurent@399: import PYRO
laurent@399: 
etisserant@203: _base_path = path.split(__file__)[0]
etisserant@203: 
laurent@399: connector_types = [name for name in listdir(_base_path)
laurent@399:                         if path.isdir(path.join(_base_path, name))
laurent@399:                             and name.upper() != "CVS"
laurent@399:                             and not name.startswith("__")]
laurent@399: 
laurent@399: # a dict from a URI scheme (connector name) to connector module
laurent@399: connector_modules = {}
laurent@399: 
laurent@399: # a dict from a DNS-SD service type to a connector module that support it
laurent@399: dnssd_connectors = {}
laurent@399: 
laurent@399: for t in connector_types:
laurent@399:     new_module = getattr(__import__("connectors." + t), t)
laurent@399:     connector_modules[t] = new_module
laurent@399:     
laurent@399:     if hasattr(new_module, "supported_dnssd_services"):
laurent@399:         for st in new_module.supported_dnssd_services:
laurent@399:             dnssd_connectors[st] = new_module
etisserant@203: 
etisserant@203: def ConnectorFactory(uri, pluginsroot):
etisserant@203:     """
etisserant@203:     Return a connector corresponding to the URI
etisserant@203:     or None if cannot connect to URI
etisserant@203:     """
etisserant@203:     servicetype = uri.split("://")[0]
etisserant@203:     if servicetype in connector_types:
etisserant@203:         # import module according to uri type
laurent@399:         connectormodule = connector_modules[servicetype]
etisserant@203:         factoryname = servicetype + "_connector_factory"
etisserant@203:         return getattr(connectormodule, factoryname)(uri, pluginsroot)
etisserant@227:     elif servicetype == "LOCAL":
laurent@399:         runtime_port = pluginsroot.AppFrame.StartLocalRuntime(taskbaricon=True)
etisserant@227:         return PYRO.PYRO_connector_factory(
etisserant@290:                        "PYRO://127.0.0.1:"+str(runtime_port), 
etisserant@227:                        pluginsroot)
etisserant@203:     else :
etisserant@203:         return None    
etisserant@203: