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#!/usr/bin/env python -tt
#
# Copyright (c) 2011 Intel, Inc.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; version 2 of the License
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import subprocess
from wic import WicError
def runtool(cmdln_or_args):
""" wrapper for most of the subprocess calls
input:
cmdln_or_args: can be both args and cmdln str (shell=True)
return:
rc, output
"""
if isinstance(cmdln_or_args, list):
cmd = cmdln_or_args[0]
shell = False
else:
import shlex
cmd = shlex.split(cmdln_or_args)[0]
shell = True
sout = subprocess.PIPE
serr = subprocess.STDOUT
try:
process = subprocess.Popen(cmdln_or_args, stdout=sout,
stderr=serr, shell=shell)
sout, serr = process.communicate()
# combine stdout and stderr, filter None out and decode
out = ''.join([out.decode('utf-8') for out in [sout, serr] if out])
except OSError as err:
if err.errno == 2:
# [Errno 2] No such file or directory
raise WicError('Cannot run command: %s, lost dependency?' % cmd)
else:
raise # relay
return process.returncode, out
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