import time def timeit(method): def timed(*args, **kw): ts = time.time() result = method(*args, **kw) te = time.time() print('%r (%r, %r) %2.2f sec' % (method.__name__, args, kw, te-ts)) return result return timed class Foo(object): @timeit def foo(self): time.sleep(0.2) print('foo from class Foo') @timeit def f1(): time.sleep(1) print('f1') @timeit def f2(a): time.sleep(2) print('f2', a) @timeit def f3(*args, **kw): time.sleep(0.3) print('f3', args, kw) f1() f2(42) f3(42, 43, foo=2) Foo().foo()