# timeit_dot_operator.py

# timeit_dot_operator.py

import timeit

'''
Don't Access Attributes

Another thing that might slow down your programs is dot operator (.) which is used when accessing object attributes. This operator triggers dictionary lookup using __getattribute__, which creates extra overhead in your code. So, how can we actually avoid (limit) using it?
'''

regex = '"(.*?)"'
line = '''outside double quotes "1: in" abc: out ,"2: in" xyz: out'''

import re
def slow_func():
    return re.findall(regex, line)  # Slow!

from re import findall
def fast_func():
    return findall(regex, line)  # Fast!

def repl_func():
    return line.split('"')[1::2]

print slow_func()
print fast_func()
print repl_func()
print

iterations = 100000
fn = 'slow_func','fast_func','repl_func'
t = {}
for z in [0,1,2]:
    repeat = []
    for n in xrange(5):
        t = 'from __main__ import %s; %s()'%(fn[z],fn[z])
        ttt = timeit.Timer(t)
        t = ttt.timeit(iterations)
        repeat += [t]
    t = min(repeat)
    print 'Method #{} {} took {} seconds : best out of {}'.format(z+1,fn[z],t,len(repeat))
    print