compare_attrgetter.py

import timeit
    
setup = """
import random, operator
    
class Test():
 def __init__(self, t):
      self.test = t
      
l = [Test(str(i)) for i in range(1000)]
random.shuffle(l)

testop = operator.attrgetter('test')
"""
    
compare1 = "ls = sorted(l, key=lambda x: x.test)"
compare2 = "ls = sorted(l, key=testop)"

print timeit.timeit(compare1, setup, number=10000) # 6.57358211728
print timeit.timeit(compare2, setup, number=10000) # 6.8481921585