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def time_this(original_function):
print("decorating")
def new_function(*args, **kwargs):
import datetime
before = datetime.datetime.now
x = original_function(*args, **kwargs)
after = datetime.datetime.now
print("Elapsed time {0}".format(after-before))
return x
return new_function
def time_all_class_methods(Cls):
class NewCls(object):
def __init__(self,*args,**kwargs):
self.oInstance = Cls(*args,**kwargs)
def __getattribute__(self,s):
try:
x = super(NewCls,self).__getattribute__(s)
except AttributeError:
pass
else:
return x
x = self.oInstance.__getattribute__(s)
if type(x) == type(self.__init__): # it is an instance method
return time_this(x) # this is equivalent of just decorating the method with time_this
else:
return x
return NewCls
#@time_all_class_methods
class Foo(object):
def a(self):
print "entering a"
import time
time.sleep(3)
print "exiting a"
Foo = time_all_class_methods(Foo)
oF = Foo
oF.a()
================
Error Message::
File "/home/psychognite/wingProjects/limboCls.py", line 37, in <module>
oF.a()
AttributeError: 'NoneType' object has no attribute 'a'

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