import time

class Timed:

""" This fails if methods are accessed but not called! """

def __getattribute__(self, name):

if name in ['_time_dict', '__getattr__']:

return object.__getattribute__(self, name)

if not hasattr(self, '_time_dict'):

self._time_dict = {}

d = self._time_dict

if callable(object.__getattribute__(self, name)):

now = time.time()

if name in d:

self.dt = now - d[name]

else:

self.dt = None

d[name] = now

return object.__getattribute__(self, name)

if __name__ == "__main__":

class Test(Timed):

def __init__(self):

self.x = 0

def inc(self):

self.x += 1

print("inc", self.dt)

def dec(self):

self.x -= 1

print("dec", self.dt)

t = Test()

t.dec()

t.inc()

t.inc()

time.sleep(0.5)

t.inc()

time.sleep(0.2)

t.inc()

print(t.x)

t.dec()