poky/scripts/devtool

#!/usr/bin/env python

OpenEmbedded Development tool

Copyright (C) 2014 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] import scriptutils 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)

logger.debug('Reading workspace in %s' % config.workspace_path)
externalsrc_re = re.compile(r'^EXTERNALSRC(_pn-[a-zA-Z0-9-]*)? =.*$')
for fn in glob.glob(os.path.join(config.workspace_path, 'appends', '*.bbappend')):
    pn = os.path.splitext(os.path.basename(fn))[0].split('_')[0]
    with open(fn, 'r') as f:
        for line in f:
            if externalsrc_re.match(line.rstrip()):
                splitval = line.split('=', 2)
                workspace[pn] = splitval[1].strip('" \n\r\t')
                break

def create_workspace(args, config, basepath, workspace): if args.directory: workspacedir = os.path.abspath(args.directory) else: workspacedir = os.path.abspath(os.path.join(basepath, 'workspace')) _create_workspace(workspacedir, config, basepath, args.create_only)

def _create_workspace(workspacedir, config, basepath, create_only=False): 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')
if not create_only:
    # Add the workspace layer to bblayers.conf
    bblayers_conf = os.path.join(basepath, 'conf', 'bblayers.conf')
    if not os.path.exists(bblayers_conf):
        logger.error('Unable to find bblayers.conf')
        return -1
    bb.utils.edit_bblayers_conf(bblayers_conf, workspacedir, config.workspace_path)
    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.ArgumentParser(description="OpenEmbedded development tool",
                                 epilog="Use %(prog)s <command> --help to get help on a specific command")
parser.add_argument('--basepath', help='Base directory of SDK / build directory')
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', help='Colorize output', choices=['auto', 'always', 'never'], default='auto')

subparsers = parser.add_subparsers(dest="subparser_name")

if not context.fixed_setup:
    parser_create_workspace = subparsers.add_parser('create-workspace', help='Set up a workspace')
    parser_create_workspace.add_argument('directory', nargs='?', help='Directory for the workspace')
    parser_create_workspace.add_argument('--create-only', action="store_true", help='Only create the workspace, do not alter configuration')
    parser_create_workspace.set_defaults(func=create_workspace)

scriptutils.load_plugins(logger, plugins, os.path.join(scripts_path, 'lib', 'devtool'))
for plugin in plugins:
    if hasattr(plugin, 'register_commands'):
        plugin.register_commands(subparsers, context)

args = parser.parse_args()

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

if args.basepath:
    # Override
    basepath = 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

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, args.color)

if args.subparser_name != 'create-workspace':
    read_workspace()

ret = args.func(args, config, basepath, workspace)

return ret

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