decolator

decolator.py

try:
    from functools import wraps
except:
    wraps = lambda w: lambda f: f


def wrap(func):
    @wraps(func)
    def wrapper(*args, **kw):
        return "[%s]" % func(*args, **kw)
    if getattr(func, 'im_self', None):
        setattr(func.im_self or {}, func.__name__, wrapper)
    return wrapper


class Clazz:
    @wrap
    def echo(self, param):
        return param

e = Clazz()
print e.echo('Hello')
print e.echo.func_name