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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# Copyright (c) 2013, Intel Corporation.
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# DESCRIPTION
# This module provides a place to collect various mic-related utils
# for the OpenEmbedded Image Tools.
#
# AUTHORS
# Tom Zanussi <tom.zanussi (at] linux.intel.com>
#
from mic import msger
from mic.utils import runner
def exec_cmd(cmd_and_args, as_shell = False, catch = 3):
"""
Execute command, catching stderr, stdout
Need to execute as_shell if the command uses wildcards
"""
msger.debug("exec_cmd: %s" % cmd_and_args)
args = cmd_and_args.split()
msger.debug(args)
if (as_shell):
rc, out = runner.runtool(cmd_and_args, catch)
else:
rc, out = runner.runtool(args, catch)
out = out.strip()
msger.debug("exec_cmd: output for %s (rc = %d): %s" % \
(cmd_and_args, rc, out))
if rc != 0:
# We don't throw exception when return code is not 0, because
# parted always fails to reload part table with loop devices. This
# prevents us from distinguishing real errors based on return
# code.
msger.debug("WARNING: %s returned '%s' instead of 0" % (args[0], rc))
return (rc, out)
def exec_cmd_quiet(cmd_and_args, as_shell = False):
"""
Execute command, catching nothing in the output
Need to execute as_shell if the command uses wildcards
"""
return exec_cmd(cmd_and_args, as_shell, 0)
def exec_native_cmd(cmd_and_args, native_sysroot, catch = 3):
"""
Execute native command, catching stderr, stdout
Need to execute as_shell if the command uses wildcards
Always need to execute native commands as_shell
"""
native_paths = \
"export PATH=%s/sbin:PATH=%s/usr/sbin:PATH=%s/usr/bin:$PATH" % \
(native_sysroot, native_sysroot, native_sysroot)
native_cmd_and_args = "%s;%s" % (native_paths, cmd_and_args)
msger.debug("exec_native_cmd: %s" % cmd_and_args)
args = cmd_and_args.split()
msger.debug(args)
return exec_cmd(native_cmd_and_args, True, catch)
def exec_native_cmd_quiet(cmd_and_args, native_sysroot):
"""
Execute native command, catching nothing in the output
Need to execute as_shell if the command uses wildcards
Always need to execute native commands as_shell
"""
return exec_native_cmd(cmd_and_args, native_sysroot, 0)
# kickstart doesn't support variable substution in commands, so this
# is our current simplistic scheme for supporting that
wks_vars = dict()
def get_wks_var(key):
return wks_vars[key]
def add_wks_var(key, val):
wks_vars[key] = val
BOOTDD_EXTRA_SPACE = 16384
IMAGE_EXTRA_SPACE = 10240
__bitbake_env_lines = ""
def set_bitbake_env_lines(bitbake_env_lines):
global __bitbake_env_lines
__bitbake_env_lines = bitbake_env_lines
def get_bitbake_env_lines():
return __bitbake_env_lines
def get_line_val(line, key):
"""
Extract the value from the VAR="val" string
"""
if line.startswith(key + "="):
stripped_line = line.split('=')[1]
stripped_line = stripped_line.replace('\"', '')
return stripped_line
return None
def get_bitbake_var(key):
for line in __bitbake_env_lines.split('\n'):
if (get_line_val(line, key)):
val = get_line_val(line, key)
return val
return None
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