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OE-Core aims to be able to provide basic LSB compatible images. There
are some challenges for OE as LSB isn't always 100% relevant to its
target embedded and IoT audiences. 

One challenge is that the LSB spec is no longer being actively
developed [https://github.com/LinuxStandardBase/lsb] and has 
components which are end of life or significantly dated. OE 
therefore provides compatibility with the following caveats:

* Qt4 is provided by the separate meta-qt4 layer. Its noted that Qt4 
  is end of life and this isn't something the core project regularly 
  tests any longer. Users are recommended to group together to support
  maintenance of that layer. [http://git.yoctoproject.org/cgit/cgit.cgi/meta-qt4/]

* mailx has been dropped since its no longer being developed upstream 
  and there are better, more modern replacements such as s-nail 
  (http://sdaoden.eu/code.html) or mailutils (http://mailutils.org/).

* A few perl modules that were required by LSB 4.x aren't provided:
  libclass-isa, libenv, libdumpvalue, libfile-checktree,
  libi18n-collate, libpod-plainer.

* libpng 1.2 isn't provided; oe-core includes the latest release of libpng
  instead.
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-03 00:24:54 +0000
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#!/usr/bin/env python3

# This script has subcommands which operate against your bitbake layers, either
# displaying useful information, or acting against them.
# See the help output for details on available commands.

# Copyright (C) 2011 Mentor Graphics Corporation
# Copyright (C) 2011-2015 Intel Corporation
#
# 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 logging
import os
import sys
import argparse

bindir = os.path.dirname(__file__)
topdir = os.path.dirname(bindir)
sys.path[0:0] = [os.path.join(topdir, 'lib')]

import bb.tinfoil


def tinfoil_init(parserecipes):
    import bb.tinfoil
    tinfoil = bb.tinfoil.Tinfoil(tracking=True)
    tinfoil.prepare(not parserecipes)
    tinfoil.logger.setLevel(logger.getEffectiveLevel())
    return tinfoil


def logger_create(name, output=sys.stderr):
    logger = logging.getLogger(name)
    loggerhandler = logging.StreamHandler(output)
    loggerhandler.setFormatter(logging.Formatter("%(levelname)s: %(message)s"))
    logger.addHandler(loggerhandler)
    logger.setLevel(logging.INFO)
    return logger

def logger_setup_color(logger, color='auto'):
    from bb.msg import BBLogFormatter
    console = logging.StreamHandler(sys.stdout)
    formatter = BBLogFormatter("%(levelname)s: %(message)s")
    console.setFormatter(formatter)
    logger.handlers = [console]
    if color == 'always' or (color == 'auto' and console.stream.isatty()):
        formatter.enable_color()


logger = logger_create('bitbake-layers', sys.stdout)

def main():
    parser = argparse.ArgumentParser(
        description="BitBake layers utility",
        epilog="Use %(prog)s <subcommand> --help to get help on a specific command",
        add_help=False)
    parser.add_argument('-d', '--debug', help='Enable debug output', action='store_true')
    parser.add_argument('-q', '--quiet', help='Print only errors', action='store_true')
    parser.add_argument('--color', choices=['auto', 'always', 'never'], default='auto', help='Colorize output (where %(metavar)s is %(choices)s)', metavar='COLOR')

    global_args, unparsed_args = parser.parse_known_args()

    # Help is added here rather than via add_help=True, as we don't want it to
    # be handled by parse_known_args()
    parser.add_argument('-h', '--help', action='help', default=argparse.SUPPRESS,
                        help='show this help message and exit')
    subparsers = parser.add_subparsers(title='subcommands', metavar='<subcommand>')
    subparsers.required = True

    if global_args.debug:
        logger.setLevel(logging.DEBUG)
    elif global_args.quiet:
        logger.setLevel(logging.ERROR)

    logger_setup_color(logger, global_args.color)

    plugins = []
    tinfoil = tinfoil_init(False)
    try:
        for path in ([topdir] +
                    tinfoil.config_data.getVar('BBPATH', True).split(':')):
            pluginpath = os.path.join(path, 'lib', 'bblayers')
            bb.utils.load_plugins(logger, plugins, pluginpath)

        registered = False
        for plugin in plugins:
            if hasattr(plugin, 'register_commands'):
                registered = True
                plugin.register_commands(subparsers)
            if hasattr(plugin, 'tinfoil_init'):
                plugin.tinfoil_init(tinfoil)

        if not registered:
            logger.error("No commands registered - missing plugins?")
            sys.exit(1)

        args = parser.parse_args(unparsed_args, namespace=global_args)

        if getattr(args, 'parserecipes', False):
            tinfoil.config_data.disableTracking()
            tinfoil.parseRecipes()
            tinfoil.config_data.enableTracking()

        return args.func(args)
    finally:
        tinfoil.shutdown()


if __name__ == "__main__":
    try:
        ret = main()
    except bb.BBHandledException:
        ret = 1
    except Exception:
        ret = 1
        import traceback
        traceback.print_exc()
    sys.exit(ret)
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-03 00:24:54 +0000