poky/scripts/devtool

#!/usr/bin/env python

OpenEmbedded Development tool

Copyright (C) 2014-2015 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 sys import os import argparse import glob import re import ConfigParser import subprocess import logging

basepath = '' workspace = {} config = None context = None

scripts_path = os.path.dirname(os.path.realpath(file)) lib_path = scripts_path + '/lib' sys.path = sys.path + [lib_path] from devtool import DevtoolError, setup_tinfoil import scriptutils import argparse_oe logger = scriptutils.logger_create('devtool')

plugins = []

class ConfigHandler(object): config_file = '' config_obj = None init_path = '' workspace_path = ''

def __init__(self, filename):
    self.config_file = filename
    self.config_obj = ConfigParser.SafeConfigParser()

def get(self, section, option, default=None):
    try:
        ret = self.config_obj.get(section, option)
    except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
        if default != None:
            ret = default
        else:
            raise
    return ret

def read(self):
    if os.path.exists(self.config_file):
        self.config_obj.read(self.config_file)

        if self.config_obj.has_option('General', 'init_path'):
            pth = self.get('General', 'init_path')
            self.init_path = os.path.join(basepath, pth)
            if not os.path.exists(self.init_path):
                logger.error('init_path %s specified in config file cannot be found' % pth)
                return False
    else:
        self.config_obj.add_section('General')

    self.workspace_path = self.get('General', 'workspace_path', os.path.join(basepath, 'workspace'))
    return True


def write(self):
    logger.debug('writing to config file %s' % self.config_file)
    self.config_obj.set('General', 'workspace_path', self.workspace_path)
    with open(self.config_file, 'w') as f:
        self.config_obj.write(f)

class Context: def init(self, **kwargs): self.dict.update(kwargs)

def read_workspace(): global workspace workspace = {} if not os.path.exists(os.path.join(config.workspace_path, 'conf', 'layer.conf')): if context.fixed_setup: logger.error("workspace layer not set up") sys.exit(1) else: logger.info('Creating workspace layer in %s' % config.workspace_path) _create_workspace(config.workspace_path, config, basepath) if not context.fixed_setup: _enable_workspace_layer(config.workspace_path, config, basepath)

logger.debug('Reading workspace in %s' % config.workspace_path)
externalsrc_re = re.compile(r'^EXTERNALSRC(_pn-([^ =]+))? *= *"([^"]*)"$')
for fn in glob.glob(os.path.join(config.workspace_path, 'appends', '*.bbappend')):
    with open(fn, 'r') as f:
        for line in f:
            res = externalsrc_re.match(line.rstrip())
            if res:
                pn = res.group(2) or os.path.splitext(os.path.basename(fn))[0].split('_')[0]
                # Find the recipe file within the workspace, if any
                bbfile = os.path.basename(fn).replace('.bbappend', '.bb').replace('%', '*')
                recipefile = glob.glob(os.path.join(config.workspace_path,
                                                    'recipes',
                                                    pn,
                                                    bbfile))
                if recipefile:
                    recipefile = recipefile[0]
                workspace[pn] = {'srctree': res.group(3),
                                 'bbappend': fn,
                                 'recipefile': recipefile}
                logger.debug('Found recipe %s' % workspace[pn])

def create_workspace(args, config, basepath, workspace): if args.layerpath: workspacedir = os.path.abspath(args.layerpath) else: workspacedir = os.path.abspath(os.path.join(basepath, 'workspace')) _create_workspace(workspacedir, config, basepath) if not args.create_only: _enable_workspace_layer(workspacedir, config, basepath)

def _create_workspace(workspacedir, config, basepath): import bb

confdir = os.path.join(workspacedir, 'conf')
if os.path.exists(os.path.join(confdir, 'layer.conf')):
    logger.info('Specified workspace already set up, leaving as-is')
else:
    # Add a config file
    bb.utils.mkdirhier(confdir)
    with open(os.path.join(confdir, 'layer.conf'), 'w') as f:
        f.write('# ### workspace layer auto-generated by devtool ###\n')
        f.write('BBPATH =. "$' + '{LAYERDIR}:"\n')
        f.write('BBFILES += "$' + '{LAYERDIR}/recipes/*/*.bb \\\n')
        f.write('            $' + '{LAYERDIR}/appends/*.bbappend"\n')
        f.write('BBFILE_COLLECTIONS += "workspacelayer"\n')
        f.write('BBFILE_PATTERN_workspacelayer = "^$' + '{LAYERDIR}/"\n')
        f.write('BBFILE_PATTERN_IGNORE_EMPTY_workspacelayer = "1"\n')
        f.write('BBFILE_PRIORITY_workspacelayer = "99"\n')
    # Add a README file
    with open(os.path.join(workspacedir, 'README'), 'w') as f:
        f.write('This layer was created by the OpenEmbedded devtool utility in order to\n')
        f.write('contain recipes and bbappends. In most instances you should use the\n')
        f.write('devtool utility to manage files within it rather than modifying files\n')
        f.write('directly (although recipes added with "devtool add" will often need\n')
        f.write('direct modification.)\n')
        f.write('\nIf you no longer need to use devtool you can remove the path to this\n')
        f.write('workspace layer from your conf/bblayers.conf file (and then delete the\n')
        f.write('layer, if you wish).\n')
        f.write('\nNote that by default, if devtool fetches and unpacks source code, it\n')
        f.write('will place it in a subdirectory of a "sources" subdirectory of the\n')
        f.write('layer. If you prefer it to be elsewhere you can specify the source\n')
        f.write('tree path on the command line.\n')

def _enable_workspace_layer(workspacedir, config, basepath): """Ensure the workspace layer is in bblayers.conf""" import bb bblayers_conf = os.path.join(basepath, 'conf', 'bblayers.conf') if not os.path.exists(bblayers_conf): logger.error('Unable to find bblayers.conf') return _, added = bb.utils.edit_bblayers_conf(bblayers_conf, workspacedir, config.workspace_path) if added: logger.info('Enabling workspace layer in bblayers.conf') if config.workspace_path != workspacedir: # Update our config to point to the new location config.workspace_path = workspacedir config.write()

def main(): global basepath global config global context

context = Context(fixed_setup=False)

# Default basepath
basepath = os.path.dirname(os.path.abspath(__file__))
pth = basepath
while pth != '' and pth != os.sep:
    if os.path.exists(os.path.join(pth, '.devtoolbase')):
        context.fixed_setup = True
        basepath = pth
        break
    pth = os.path.dirname(pth)

parser = argparse_oe.ArgumentParser(description="OpenEmbedded development tool",
                                    add_help=False,
                                    epilog="Use %(prog)s <subcommand> --help to get help on a specific command")
parser.add_argument('--basepath', help='Base directory of SDK / build directory')
parser.add_argument('--bbpath', help='Explicitly specify the BBPATH, rather than getting it from the metadata')
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')

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

if global_args.basepath:
    # Override
    basepath = global_args.basepath
elif not context.fixed_setup:
    basepath = os.environ.get('BUILDDIR')
    if not basepath:
        logger.error("This script can only be run after initialising the build environment (e.g. by using oe-init-build-env)")
        sys.exit(1)

logger.debug('Using basepath %s' % basepath)

config = ConfigHandler(os.path.join(basepath, 'conf', 'devtool.conf'))
if not config.read():
    return -1
context.config = config

bitbake_subdir = config.get('General', 'bitbake_subdir', '')
if bitbake_subdir:
    # Normally set for use within the SDK
    logger.debug('Using bitbake subdir %s' % bitbake_subdir)
    sys.path.insert(0, os.path.join(basepath, bitbake_subdir, 'lib'))
    core_meta_subdir = config.get('General', 'core_meta_subdir')
    sys.path.insert(0, os.path.join(basepath, core_meta_subdir, 'lib'))
else:
    # Standard location
    import scriptpath
    bitbakepath = scriptpath.add_bitbake_lib_path()
    if not bitbakepath:
        logger.error("Unable to find bitbake by searching parent directory of this script or PATH")
        sys.exit(1)
    logger.debug('Using standard bitbake path %s' % bitbakepath)
    scriptpath.add_oe_lib_path()

scriptutils.logger_setup_color(logger, global_args.color)

if global_args.bbpath is None:
    tinfoil = setup_tinfoil(config_only=True, basepath=basepath)
    global_args.bbpath = tinfoil.config_data.getVar('BBPATH', True)
else:
    tinfoil = None

for path in [scripts_path] + global_args.bbpath.split(':'):
    pluginpath = os.path.join(path, 'lib', 'devtool')
    scriptutils.load_plugins(logger, plugins, pluginpath)

if tinfoil:
    tinfoil.shutdown()

subparsers = parser.add_subparsers(dest="subparser_name", title='subcommands', metavar='<subcommand>')

if not context.fixed_setup:
    parser_create_workspace = subparsers.add_parser('create-workspace',
                                                    help='Set up workspace in an alternative location',
                                                    description='Sets up a new workspace. NOTE: other devtool subcommands will create a workspace automatically as needed, so you only need to use %(prog)s if you want to specify where the workspace should be located.')
    parser_create_workspace.add_argument('layerpath', nargs='?', help='Path in which the workspace layer should be created')
    parser_create_workspace.add_argument('--create-only', action="store_true", help='Only create the workspace layer, do not alter configuration')
    parser_create_workspace.set_defaults(func=create_workspace, no_workspace=True)

for plugin in plugins:
    if hasattr(plugin, 'register_commands'):
        plugin.register_commands(subparsers, context)

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

if not getattr(args, 'no_workspace', False):
    read_workspace()

try:
    ret = args.func(args, config, basepath, workspace)
except DevtoolError as err:
    if str(err):
        logger.error(str(err))
    ret = 1
except argparse_oe.ArgumentUsageError as ae:
    parser.error_subcommand(ae.message, ae.subcommand)

return ret

if name == "main": try: ret = main() except Exception: ret = 1 import traceback traceback.print_exc(5) sys.exit(ret)