decorators.py

   1 from datetime import datetime
   2 import functools
   3
   4 def invokation_logged(func):
   5     @functools.wraps(func)
   6     def wrapper(*args, **kwargs):
   7         now = datetime.now()
   8         timestamp = now.strftime("%d-%b-%Y (%H:%M:%S.%f)")
   9         print("%s(%s): Entered function" % (func.__name__, timestamp))
  10         ret = func(*args, **kwargs)
  11         now = datetime.now()
  12         timestamp = now.strftime("%d-%b-%Y (%H:%M:%S.%f)")
  13         print("%s(%s): Exited function" % (func.__name__, timestamp))
  14         return ret
  15     return wrapper
  16
  17 # Test
  18 #@invokation_logged
  19 #def f(x):
  20 #    print(x * x)
  21 #    return x * x
  22 #
  23 #q = f(10)
  24 #print(q)