gistfile1.py

import timeit
 
def test1(response):
  return response.split(' ', 1) if ' ' in response else (response, '')
 
def test2(response):
  parts = response.split(' ', 1)
  if len(parts) > 1:
    return parts[0], parts[1]
  else:
    return response, ''
 
def test3(response):
  try:
    status, msg = response.split(' ', 1)
    return status, msg
  except ValueError:
    return response, ''
 
print 'in', timeit.timeit('test1("success blabla blabla bla")', setup='from __main__ import test1')
print 'in2', timeit.timeit('test1("fail")', setup='from __main__ import test1')
print 'len', timeit.timeit('test2("success blabla blabla bla")', setup='from __main__ import test2')
print 'len2', timeit.timeit('test2("fail")', setup='from __main__ import test2')
print 'try', timeit.timeit('test3("success blabla blabla bla")', setup='from __main__ import test3')
print 'try2', timeit.timeit('test3("fail")', setup='from __main__ import test3')