Code

import time
import functools

def profiler(function):
    @functools.wraps(function)
    def wrapped_func(*args, **kwargs):
        if not hasattr(wrapped_func, 'depth'):
            wrapped_func.depth = 0
        wrapped_func.depth+=1

        if wrapped_func.depth==1:
            wrapped_func.calls=0
        wrapped_func.calls += 1

        time0=time.time()
        answer = function(*args, **kwargs)
        time1=time.time()
        wrapped_func.last_time_taken=time1-time0


        wrapped_func.depth-=1
        return answer
    return wrapped_func