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-rw-r--r--scripts/lib/wic/utils/runner.py52
1 files changed, 52 insertions, 0 deletions
diff --git a/scripts/lib/wic/utils/runner.py b/scripts/lib/wic/utils/runner.py
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+++ b/scripts/lib/wic/utils/runner.py
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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