poky/scripts/oe-check-sstate

#!/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)