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#!/usr/bin/env python3
# Query which tasks will be restored from sstate
#
# Copyright 2016 Intel Corporation
# Authored-by: Paul Eggleton <paul.eggleton@intel.com>
#
# 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.
import sys
import os
import subprocess
import tempfile
import shutil
import re
scripts_path = os.path.dirname(os.path.realpath(__file__))
lib_path = scripts_path + '/lib'
sys.path = sys.path + [lib_path]
import scriptutils
import scriptpath
scriptpath.add_bitbake_lib_path()
import argparse_oe
def translate_virtualfns(tasks):
import bb.tinfoil
tinfoil = bb.tinfoil.Tinfoil()
try:
tinfoil.prepare(False)
recipecaches = tinfoil.cooker.recipecaches
outtasks = []
for task in tasks:
(mc, fn, taskname) = bb.runqueue.split_tid(task)
if taskname.endswith('_setscene'):
taskname = taskname[:-9]
outtasks.append('%s:%s' % (recipecaches[mc].pkg_fn[fn], taskname))
finally:
tinfoil.shutdown()
return outtasks
def check(args):
tmpdir = tempfile.mkdtemp(prefix='oe-check-sstate-')
try:
env = os.environ.copy()
if not args.same_tmpdir:
env['BB_ENV_EXTRAWHITE'] = env.get('BB_ENV_EXTRAWHITE', '') + ' TMPDIR_forcevariable'
env['TMPDIR_forcevariable'] = tmpdir
try:
output = subprocess.check_output(
'bitbake -n %s' % ' '.join(args.target),
stderr=subprocess.STDOUT,
env=env,
shell=True)
task_re = re.compile('NOTE: Running setscene task [0-9]+ of [0-9]+ \(([^)]+)\)')
tasks = []
for line in output.decode('utf-8').splitlines():
res = task_re.match(line)
if res:
tasks.append(res.group(1))
outtasks = translate_virtualfns(tasks)
except subprocess.CalledProcessError as e:
print('ERROR: bitbake failed:\n%s' % e.output.decode('utf-8'))
return e.returncode
finally:
shutil.rmtree(tmpdir)
if args.log:
with open(args.log, 'wb') as f:
f.write(output)
if args.outfile:
with open(args.outfile, 'w') as f:
for task in outtasks:
f.write('%s\n' % task)
else:
for task in outtasks:
print(task)
return 0
def main():
parser = argparse_oe.ArgumentParser(description='OpenEmbedded sstate check tool. Does a dry-run to check restoring the specified targets from shared state, and lists the tasks that would be restored. Set BB_SETSCENE_ENFORCE=1 in the environment if you wish to ensure real tasks are disallowed.')
parser.add_argument('target', nargs='+', help='Target to check')
parser.add_argument('-o', '--outfile', help='Write list to a file instead of stdout')
parser.add_argument('-l', '--log', help='Write full log to a file')
parser.add_argument('-s', '--same-tmpdir', action='store_true', help='Use same TMPDIR for check (list will then be dependent on what tasks have executed previously)')
parser.set_defaults(func=check)
args = parser.parse_args()
ret = args.func(args)
return ret
if __name__ == "__main__":
try:
ret = main()
except Exception:
ret = 1
import traceback
traceback.print_exc()
sys.exit(ret)
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