python で self 書かなくてもよくしてくれる君

autoself.py

import functools
import inspect


def self():
    return inspect.currentframe().f_back.f_back.f_locals['self']


class AutoSelfMeta(type):
    def __new__(cls, names, bases, attrs):
        for k, v in attrs.iteritems():
            if hasattr(v, '__call__') and type(v) != type:
                attrs[k] = autoselfize(v)

        return super(AutoSelfMeta, cls).__new__(cls, names, bases, attrs)


def autoselfize(method):
    def wrapper(self, *args, **kwargs):
        return method(*args, **kwargs)

    return functools.update_wrapper(wrapper, method)


class AutoSelf(object):
    __metaclass__ = AutoSelfMeta


def test():
    class MyClass(AutoSelf):
        def __init__(x):
            self().x = x

        def print_x():
            print self().x


    o = MyClass(100)
    o.print_x()


if __name__ == '__main__':
    test()