PYROS-IRAP / pyros

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src/common/Device.py 1.64 KB
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9774228b   haribo   Date: 22/06/2016 
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from pyrosapp.models import *


class DeviceObj():
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    '''
        Generic object for the communication with all the devices (need inheritance)
    '''
9774228b   haribo   Date: 22/06/2016 
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    def __init__(self):
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        '''
            The messages and their parameters will be defined in the objects that inherits from this class
        '''
9774228b   haribo   Date: 22/06/2016 
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        set_msgs = []
        get_msgs = []
        do_msgs = []

    def set(self, cmd, *args):
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        '''
            Send a SET message to the device
        '''
9774228b   haribo   Date: 22/06/2016 
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        msg = [msg for msg in self.set_msgs if msg[0] == cmd]
        if len(msg) == 0:
            raise ValueError("Invalid message argument %s" % (cmd,))
        msg = msg[0]
        if len(args) not in msg[1]:
            raise ValueError("Bad number of arguments")

        for arg in args:
            if type(arg) != msg[2]:
                raise TypeError("Bad type of argument: expected %s" % (msg[2],))

        print("set ", cmd)


    def get(self, cmd):
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        '''
            Send a GET message to the device
        '''
9774228b   haribo   Date: 22/06/2016 
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        if cmd not in self.get_msgs:
            raise ValueError("Invalid message argument %s" % (cmd,))

        print("get ", cmd)


    def do(self, cmd, *args):
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        '''
            Send a DO message to the device
        '''
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        msg = [msg for msg in self.do_msgs if msg[0] == cmd]
        if len(msg) == 0:
            raise ValueError("Invalid message argument %s" % (cmd,))
        msg = msg[0]
        if len(args) not in msg[1]:
            raise ValueError("Bad number of arguments")

        for arg in args:
            if type(arg) != msg[2]:
                raise TypeError("Bad type of argument: expected %s" % (msg[2],))

        print("do ", cmd)