RorMethods.py

class RorMethod1:
    """
        RorMethod1,2 classes act as functools.partial with method-like ror application.
    """
    def __init__(self, function):
        """ function may be print or sorted """
        self.function = function
    def __ror__(self, value):
        return self.function(value)
    def __call__(self, *args):
        return self.function(*args)

class RorMethod2:
    def __init__(self, function):
        """ function may be map, filter or reduce """
        self.function = function
    def __ror__(self, value):
        return self.function(self.user_function, value)
    def __call__(self, *args):
        if len(args) == 1:
            self.user_function = args[0]
            return self
        else:
            return self.function(*args)

sorted = RorMethod1(sorted)
map = RorMethod2(map)
filter = RorMethod2(filter)
reduce = RorMethod2(reduce)