[d0mine]

There is futures module for Python 2.7 on PyPI.

In simple cases, you could use multiprocessing.Pool():

  results = pool.map(processfile, getpaths())

There is also ThreadPool. There are known issues with multiprocessing especially on Python 2.7 e.g., Ctrl+C handling.

Though you don't need threading to manage concurrent subprocesses or IO (Gevent, Twisted or curio if you use Python 3).