Example for #python

example.py

from requests import session


class requires_auth(object):
    def __init__(self, func):
        self.func = func

    def __call__(self, *args, **kwargs):
        return self.func(*args, **kwargs)


class API(object):
    def __init__(self, login='', passwd=''):
        if login and password:
            self.s = session(auth=(login, password))
        else:
            self.s = session()

    @requires_auth
    def user(self):
        return self.s.get('https://api.github.com/user')


anon = API()
anon.user()  # if written properly, the call would raise an error before trying to make the request

auth = API(username, passwd)
auth.user()  # would return the completed request