Generic types in python

use_type.py

class New(object):
    def __init__(self):
        super(New, self).__init__()
        self._type = None

    def __lt__(self, t):
        self._type = t
        return New2(t)
    
    __lshift__ = __lt__

class New2(object):
    def __init__(self, t):
        super(New2, self).__init__()
        self._type = t

    def __gt__(self, v):
        self.obj = v
        if isinstance(v, tuple):
            return self._type(*v)
        else:
            return self._type(v)

    __rshift__ = __gt__


new = New()

class A(object):
    def __init__(self, v):
        self.v = v
    
    def out(self):
        print(self.v)

x = new<<A>>(123)
x.out()
print(type(x))