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#!/usr/bin/env python

#-*- coding: utf-8 -*-

# You should have received a copy of the GNU General Public License

# along with Ansible. If not, see <http://www.gnu.org/licenses/>.

import os

import sys

import shlex

import subprocess

import select

def run_cmd(cmd, live=False, readsize=10):

#readsize = 10

cmdargs = shlex.split(cmd)

p = subprocess.Popen(cmdargs, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

stdout = ''

stderr = ''

rpipes = [p.stdout, p.stderr]

while True:

rfd, wfd, efd = select.select(rpipes, [], rpipes, 1)

if p.stdout in rfd:

dat = os.read(p.stdout.fileno(), readsize)

if live:

sys.stdout.write(dat)

stdout += dat

if dat == '':

rpipes.remove(p.stdout)

if p.stderr in rfd:

dat = os.read(p.stderr.fileno(), readsize)

stderr += dat

if live:

sys.stdout.write(dat)

if dat == '':

rpipes.remove(p.stderr)

# only break out if we've emptied the pipes, or there is nothing to

# read from and the process has finished.

if (not rpipes or not rfd) and p.poll() is not None:

break

# Calling wait while there are still pipes to read can cause a lock

elif not rpipes and p.poll() == None:

p.wait()

return p.returncode, stdout, stderr