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#!/usr/bin/env python
import os
import select
############################################################################
def ExecWithCapture(command, argv, searchPath = 0, root = '/', stdin = 0,
catchfd = 1, closefd = -1):
if not os.access(root + command, os.X_OK) and not searchPath:
raise RuntimeError, command + " can not be run"
(read, write) = os.pipe()
childpid = os.fork()
if (not childpid):
if (root and root != '/'): os.chroot(root)
os.dup2(write, catchfd)
os.close(write)
os.close(read)
if closefd != -1:
os.close(closefd)
if stdin:
os.dup2(stdin, 0)
os.close(stdin)
if searchPath:
os.execvp(command, argv)
else:
os.execv(command, argv)
sys.exit(1)
os.close(write)
rc = ""
s = "1"
while s:
select.select([read], [], [])
s = os.read(read, 1000)
rc = rc + s
os.close(read)
try:
os.waitpid(childpid, 0)
except OSError, (errno, msg):
print __name__, "waitpid:", msg
return rc
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