poky/scripts/lib/wic/utils/runner.py
Tom Zanussi d8f9d05bae wic: Rename /mic to /wic
As well as any other stray instances of mic in the codebase that can
be removed.

We don't really need to carry around legacy naming, and the history is
in git.

(From OE-Core rev: 598b120406dc1d2b7e377bd1ab6f0acbef034b22)

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2014-08-11 10:53:12 +01:00

110 lines
3.1 KiB
Python

#!/usr/bin/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:
p = subprocess.Popen(cmdln_or_args, stdout=sout,
stderr=serr, shell=shell)
(sout, serr) = p.communicate()
# combine stdout and stderr, filter None out
out = ''.join(filter(None, [sout, serr]))
except OSError, e:
if e.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 (p.returncode, out)
def show(cmdln_or_args):
# show all the message using msger.verbose
rc, 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 rc
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]