connectors/__init__.py
author laurent
Sun, 27 Mar 2011 16:16:55 +0200
changeset 586 720a0d30b678
parent 399 77e23bf04c33
child 591 3ece9ba72aaf
permissions -rwxr-xr-x
Merged with Edouard's modifications
203
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     1
#!/usr/bin/env python
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     2
# -*- coding: utf-8 -*-
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     3
#
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     4
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     5
#
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     6
#See COPYING file for copyrights details.
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     7
#
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     8
#This library is free software; you can redistribute it and/or
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
     9
#modify it under the terms of the GNU General Public
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    10
#License as published by the Free Software Foundation; either
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    11
#version 2.1 of the License, or (at your option) any later version.
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    12
#
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    13
#This library is distributed in the hope that it will be useful,
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    14
#but WITHOUT ANY WARRANTY; without even the implied warranty of
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    15
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    16
#General Public License for more details.
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    17
#
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    18
#You should have received a copy of the GNU General Public
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    19
#License along with this library; if not, write to the Free Software
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    20
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    21
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    22
# Package initialisation
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    23
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    24
from os import listdir, path
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    25
399
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    26
import PYRO
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    27
203
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    28
_base_path = path.split(__file__)[0]
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    29
399
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    30
connector_types = [name for name in listdir(_base_path)
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    31
                        if path.isdir(path.join(_base_path, name))
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    32
                            and name.upper() != "CVS"
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    33
                            and not name.startswith("__")]
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    34
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    35
# a dict from a URI scheme (connector name) to connector module
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    36
connector_modules = {}
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    37
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    38
# a dict from a DNS-SD service type to a connector module that support it
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    39
dnssd_connectors = {}
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    40
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    41
for t in connector_types:
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    42
    new_module = getattr(__import__("connectors." + t), t)
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    43
    connector_modules[t] = new_module
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    44
    
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    45
    if hasattr(new_module, "supported_dnssd_services"):
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    46
        for st in new_module.supported_dnssd_services:
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    47
            dnssd_connectors[st] = new_module
203
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    48
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    49
def ConnectorFactory(uri, pluginsroot):
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    50
    """
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    51
    Return a connector corresponding to the URI
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    52
    or None if cannot connect to URI
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    53
    """
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    54
    servicetype = uri.split("://")[0]
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    55
    if servicetype in connector_types:
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    56
        # import module according to uri type
399
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    57
        connectormodule = connector_modules[servicetype]
203
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    58
        factoryname = servicetype + "_connector_factory"
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    59
        return getattr(connectormodule, factoryname)(uri, pluginsroot)
227
48c13b84505c - Some improovements in debug data feedback data
etisserant
parents: 203
diff changeset
    60
    elif servicetype == "LOCAL":
399
77e23bf04c33 Merging some improvements from BCT
laurent
parents: 298
diff changeset
    61
        runtime_port = pluginsroot.AppFrame.StartLocalRuntime(taskbaricon=True)
227
48c13b84505c - Some improovements in debug data feedback data
etisserant
parents: 203
diff changeset
    62
        return PYRO.PYRO_connector_factory(
290
3bd617ae7a05 Local Runtime (LOCAL://) now launched "on demand"
etisserant
parents: 227
diff changeset
    63
                       "PYRO://127.0.0.1:"+str(runtime_port), 
227
48c13b84505c - Some improovements in debug data feedback data
etisserant
parents: 203
diff changeset
    64
                       pluginsroot)
203
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    65
    else :
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    66
        return None    
cb9901076a21 Added concepts :
etisserant
parents:
diff changeset
    67