diff options
author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
---|---|---|
committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/scripts/lib/wic/utils/runner.py | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/scripts/lib/wic/utils/runner.py')
-rw-r--r-- | yocto-poky/scripts/lib/wic/utils/runner.py | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/yocto-poky/scripts/lib/wic/utils/runner.py b/yocto-poky/scripts/lib/wic/utils/runner.py new file mode 100644 index 000000000..7431917ff --- /dev/null +++ b/yocto-poky/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] |