#!/usr/bin/env python
-import optparse, shlex, subprocess, sys, itertools
+import optparse, shlex, subprocess, os, sys, itertools
def parseArgs():
parser = optparse.OptionParser(usage="%prog batchfile1 [batchfile2] ...")
+ parser.add_option("-j", "--jobs",
+ action="store", dest="jobs", default=1, type="int",
+ help="The number of concurrent jobs to run")
opts, args = parser.parse_args(sys.argv[1:])
- return args
+ opts.runningJobs = []
+ return opts, args
-def run(args):
- subprocess.Popen(args).wait()
+def run(batchOpts, args):
+ batchOpts.runningJobs.append(subprocess.Popen(args, stdin=file(os.devnull, 'r')))
+ if len(batchOpts.runningJobs) >= batchOpts.jobs:
+ for job in batchOpts.runningJobs:
+ job.wait()
+ batchOpts.runningJobs = []
def getblocks(fd):
def _countIndentationLevel(s):
line = line[level:] # Slice off the indentation
yield level, line
-def batchProcess(fd):
+def batchProcess(batchOpts, fd):
opts = []
for level, line in getblocks(fd):
oldLevel = len(opts) - 1
if level <= oldLevel:
- run(itertools.chain(*opts))
+ run(batchOpts, itertools.chain(*opts))
opts = opts[:level] # Delete all options that belong to groups that are indented more than this one
assert len(opts) == level, 'Seems we missed some options somewhere'
opts.append(shlex.split(line))
if len(opts) > 0:
- run(itertools.chain(*opts))
+ run(batchOpts, itertools.chain(*opts))
def main():
- args = parseArgs()
+ opts, args = parseArgs()
for name in args:
- batchProcess(open(name))
+ batchProcess(opts, open(name))
if __name__ == "__main__":
main()