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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 wic-related utils
# for the OpenEmbedded Image Tools.
#
# AUTHORS
# Tom Zanussi <tom.zanussi (at] linux.intel.com>
#
from wic import msger
from wic.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))
return (rc, out)
def exec_cmd(cmd_and_args, as_shell=False, catch=3):
"""
Execute command, catching stderr, stdout
Exits if rc non-zero
"""
rc, out = __exec_cmd(cmd_and_args, as_shell, catch)
if rc != 0:
msger.error("exec_cmd: %s returned '%s' instead of 0" % (cmd_and_args, rc))
return out
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:%s/usr/sbin:%s/usr/bin" % \
(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)
rc, out = __exec_cmd(native_cmd_and_args, True, catch)
if rc == 127: # shell command-not-found
msger.error("A native program %s required to build the image "
"was not found (see details above). Please make sure "
"it's installed and try again." % args[0])
return (rc, out)
# 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
__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 find_bitbake_env_lines(image_name):
"""
If image_name is empty, plugins might still be able to use the
environment, so set it regardless.
"""
if image_name:
bitbake_env_cmd = "bitbake -e %s" % image_name
else:
bitbake_env_cmd = "bitbake -e"
rc, bitbake_env_lines = __exec_cmd(bitbake_env_cmd)
if rc != 0:
print "Couldn't get '%s' output." % bitbake_env_cmd
print "Bitbake failed with error:\n%s\n" % bitbake_env_lines
return None
return bitbake_env_lines
def find_artifact(bitbake_env_lines, variable):
"""
Gather the build artifact for the current image (the image_name
e.g. core-image-minimal) for the current MACHINE set in local.conf
"""
retval = ""
for line in bitbake_env_lines.split('\n'):
if (get_line_val(line, variable)):
retval = get_line_val(line, variable)
break
return retval
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
def parse_sourceparams(sourceparams):
"""
Split sourceparams string of the form key1=val1[,key2=val2,...]
into a dict. Also accepts valueless keys i.e. without =.
Returns dict of param key/val pairs (note that val may be None).
"""
params_dict = {}
params = sourceparams.split(',')
if params:
for p in params:
if not p:
continue
if not '=' in p:
key = p
val = None
else:
key, val = p.split('=')
params_dict[key] = val
return params_dict
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