Open Source Projects Europe

#!/usr/bin/env python

# Copyright (C) 2016 J.F.Dockes

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the

# Free Software Foundation, Inc.,

# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

from __future__ import print_function

import cmdtalk

prcnmkey = "cmdtalk:proc"

class Dispatch:

    def __init__(self):

        self.map = {}

    def record(self, nm):

        def decorator(func):

            self.map[nm] = func

            return func

        return decorator

    def run(self, nm, params):

        func = self.map[nm]

        return func(params)

class Processor:

    def __init__(self, dispatcher):

        self.em = cmdtalk.CmdTalk()

        self.dispatcher = dispatcher

    def log(self, s, doexit = 0, exitvalue = 1):

        self.em.log(s, doexit, exitvalue)

    def process(self, params):

        self.em.log("pCmdTalkProcessor.process: [%s]" % params)

        if not prcnmkey in params:

            raise Exception('%s not in args' % prcnmkey)

        return self.dispatcher.run(params[prcnmkey], params)

    def mainloop(self):

        cmdtalk.main(self.em, self)