# Copyright (c) 2014-2015, Intel Corporation
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class DynamicCallHelper:

    """
        Callable object which wrap a function call.

        This simple class is designed to avoid the use of lambda
        hack to capture arguments when generating function call.
        Indeed, to generate a call to a function which take
        parameters at runtime, we need to force the copy by capture
        of the parameter by using default value such as :

            callerDict = {
                a: lambda a=a : print(a)
                for a in range(5)
                }

        With the DynamicCallHelper you can simply use :

            callerDict = {
                DynamicCallHelper(print, a)
                for a in range(5)
                }
    """

    def __init__(self, func, *args):
        """
            Init method

            :param func: the function that will be called when calling the object
            :type func: function
            :param *args: arguments destinated to func
            :type *args: list
        """

        self.__func = func
        self.__args = args

    def __call__(self):
        """
            Call the function __func with __args as arguments

            :return: __func return
        """

        return self.__func(*self.__args)