allpy: 83167a09a19d utils/pool

allpy

Merged utils, pair_cores, blocks3d and geometrical-core from 9ae23 into 1.4.2 This makes these programs broken. Porting to allpy 1.4.0 is required.

author	Boris Nagaev <bnagaev@gmail.com>
date	Mon, 19 Mar 2012 13:52:56 +0400
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line source

1 #!/usr/bin/python

2 import subprocess

3 import os

4 import shlex

5 import optparse

7 p = optparse.OptionParser()

8 p.add_option('-n', '--size', type=int, help='Pool size')

9 p.add_option('-c', '--cmd',

10 help='Command template. Insert {} for argument.'

11 ' Put the argument in double quotes if it may contain spaces.')

12 options, args = p.parse_args()

14 spawned = 0

15 for arg in args:

16 if spawned > options.size:

17 os.wait()

18 spawned -= 1

19 cmd = shlex.split(options.cmd.replace('{}', arg))

20 subprocess.Popen(cmd)

21 spawned += 1

24 while True:

25 os.wait()

26 except Exception:

27 pass

29 # vim: set ts=4 sts=4 et sw=4: