timeit 在命令行中的使用细节

D:\workspace\python>python -m timeit -s 'str = "hello"' "if hasattr(str, '__bool__'): pass"

Traceback (most recent call last):
  File "C:\Python30\lib\runpy.py", line 122, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "C:\Python30\lib\runpy.py", line 34, in _run_code
    exec(code, run_globals)
  File "C:\Python30\lib\timeit.py", line 327, in
    sys.exit(main())
  File "C:\Python30\lib\timeit.py", line 291, in main
    t = Timer(stmt, setup, timer)
  File "C:\Python30\lib\timeit.py", line 135, in __init__
    code = compile(src, dummy_src_name, "exec" )
  File "", line 3
    'str
       ^
SyntaxError: EOL while scanning string literal

就这么个问题!

更新一下
原来是这么回事:

D:\workspace\python>python -m timeit """if hasattr(str, "__bool__" ): pass"""
100000000 loops, best of 3: 0.0152 usec per loop

这样子就没问题了