Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/scripts/lib/wic/utils/runner.py b/scripts/lib/wic/utils/runner.py
new file mode 100644
index 0000000..7431917
--- /dev/null
+++ b/scripts/lib/wic/utils/runner.py
@@ -0,0 +1,110 @@
+#!/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 os
+import subprocess
+
+from wic import msger
+
+def runtool(cmdln_or_args, catch=1):
+ """ wrapper for most of the subprocess calls
+ input:
+ cmdln_or_args: can be both args and cmdln str (shell=True)
+ catch: 0, quitely run
+ 1, only STDOUT
+ 2, only STDERR
+ 3, both STDOUT and STDERR
+ return:
+ (rc, output)
+ if catch==0: the output will always None
+ """
+
+ if catch not in (0, 1, 2, 3):
+ # invalid catch selection, will cause exception, that's good
+ return None
+
+ 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
+
+ if catch != 3:
+ dev_null = os.open("/dev/null", os.O_WRONLY)
+
+ if catch == 0:
+ sout = dev_null
+ serr = dev_null
+ elif catch == 1:
+ sout = subprocess.PIPE
+ serr = dev_null
+ elif catch == 2:
+ sout = dev_null
+ serr = subprocess.PIPE
+ elif catch == 3:
+ 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
+ out = ''.join(filter(None, [sout, serr]))
+ except OSError, err:
+ if err.errno == 2:
+ # [Errno 2] No such file or directory
+ msger.error('Cannot run command: %s, lost dependency?' % cmd)
+ else:
+ raise # relay
+ finally:
+ if catch != 3:
+ os.close(dev_null)
+
+ return (process.returncode, out)
+
+def show(cmdln_or_args):
+ # show all the message using msger.verbose
+
+ rcode, out = runtool(cmdln_or_args, catch=3)
+
+ if isinstance(cmdln_or_args, list):
+ cmd = ' '.join(cmdln_or_args)
+ else:
+ cmd = cmdln_or_args
+
+ msg = 'running command: "%s"' % cmd
+ if out:
+ out = out.strip()
+ if out:
+ msg += ', with output::'
+ msg += '\n +----------------'
+ for line in out.splitlines():
+ msg += '\n | %s' % line
+ msg += '\n +----------------'
+
+ msger.verbose(msg)
+ return rcode
+
+def outs(cmdln_or_args, catch=1):
+ # get the outputs of tools
+ return runtool(cmdln_or_args, catch)[1].strip()
+
+def quiet(cmdln_or_args):
+ return runtool(cmdln_or_args, catch=0)[0]