Source code for pypdevs.classicDEVSWrapper

# Copyright 2014 Modelling, Simulation and Design Lab (MSDL) at 
# McGill University and the University of Antwerp (http://msdl.cs.mcgill.ca/)
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#
#    http://www.apache.org/licenses/LICENSE-2.0
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"""
A wrapper for AtomicDEVS models that are to be interpreted as Classic DEVS models
"""

[docs]class ClassicDEVSWrapper(object): """ Wraps around a normal AtomicDEVS model and intercepts the DEVS specific functions. All attribute read/writes need to be redirected to the model itself. """
[docs] def __init__(self, model): """ Constructor :param model: the model to wrap around """ self.model = model
[docs] def __getattr__(self, attr): """ Fetches the attributes of the model. This is a 'magic' function. :param attr: the attribute to fetch :returns: the fetched attributed """ return getattr(self.model, attr)
[docs] def __setattr__(self, attr, val): """ Sets the attribute of the model. This is a 'magic' function. Only the 'model' attribute is not proxied! :param attr: the attribute to set :param val: the value to set it to """ if attr == "model": object.__setattr__(self, attr, val) return setattr(self.model, attr, val)
[docs] def extTransition(self, inputs): """ Wrap around the extTransition function by changing the input dictionary :param inputs: the input dictionary with lists as values :returns: the new state, as the normal extTransition method would do """ return self.model.extTransition({i: inputs[i][0] for i in inputs})
[docs] def outputFnc(self): """ Wrap around the outputFnc function by changing the returned dictionary :returns: the changed dictionary """ retval = self.model.outputFnc() return {i: [retval[i]] for i in retval}