diff options
Diffstat (limited to 'scripts/lib/wic/utils/runner.py')
| -rw-r--r-- | scripts/lib/wic/utils/runner.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/scripts/lib/wic/utils/runner.py b/scripts/lib/wic/utils/runner.py new file mode 100644 index 0000000000..4aa00fbe20 --- /dev/null +++ b/scripts/lib/wic/utils/runner.py @@ -0,0 +1,52 @@ +#!/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 |
