output.txt

Provides: {'do_something': <function do_something at 0x102f217d0>, 'do_something_else': <function strange_function_name at 0x102f2b8c0>}
Keybindings: {'t[2, 1]': <function command_t at 0x102f2b9b0>}
do something
doing something else 1337

test.py

provides = {}
keybindings = {}


class Modifiers:
    shift = 1
    meta = 2


def api_provides(name=None):
    def decorator(f):
        # Allow optional naming of what it provides
        fname = name or f.func_name
        provides[fname] = f

        # Optional wrapping of the function for a normal decorator
        def wrapper(*args, **kwargs):
            return f(*args, **kwargs)

        return wrapper

    return decorator


def keybinding(key, modifiers):
    def decorator(f):
        # A terrible key value, just doing this for demonstration
        keybindings[str(key) + str(modifiers)] = f

        # Optional wrapping of the function for a normal decorator
        def wrapper(*args, **kwargs):
            return f(*args, **kwargs)

        return wrapper

    return decorator


class Test(object):
    def __init__(self):
        pass

    @api_provides()
    def do_something(self):
        print 'do something'

    @api_provides('do_something_else')
    def strange_function_name(self, x):
        print 'doing something else', x

    @keybinding('t', [Modifiers.meta, Modifiers.shift])
    def command_t(self):
        print 'called command + shift + t'


def api_call(method, *args, **kwargs):
    return provides[method](*args, **kwargs)


def keypress(keys):
    # You get the picture =]
    pass


def main():
    t = Test()

    print 'Provides:', provides
    print 'Keybindings:', keybindings

    api_call('do_something', t)
    api_call('do_something_else', t, 1337)

    keypress('M-T')

main()