There are some cool examples of places were xargs fails in the docs, this got me very excited I hope it works in 2.7. https://docs.python.org/3/library/concurrent.futures.html
In simple cases, you could use multiprocessing.Pool():
results = pool.map(processfile, getpaths())
Though you don't need threading to manage concurrent subprocesses or IO (Gevent, Twisted or curio if you use Python 3).
There are some cool examples of places were xargs fails in the docs, this got me very excited I hope it works in 2.7. https://docs.python.org/3/library/concurrent.futures.html