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devtool: also load plugins from BBPATH 

This makes it easier to extend, as a layer can add its own sub-commands.

Argument parsing is also separated into two steps, the same way it's done in
recipetool, as we need access to the global command-line arguments early,
before plugins are loaded, both for debugging arguments and for the bitbake
path (we need to load the bitbake module to get tinfoil, which is now needed
to load the plugins).

Rather than constructing tinfoil once and passing it through into sub-commands
for their use, we have to construct it for configuration metadata, use it, and
then shut it down, as some sub-commands call out to recipetool, which needs
its own tinfoil instance, and therefore needs to acquire the bitbake lock. If
we're still holding the lock at that point, that's clearly a problem.

[YOCTO #7625]

(From OE-Core rev: f9bc3b27244a141ec7273445d3ea139a047e0ddf)

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Christopher Larson 2015-07-13 11:43:40 -07:00 committed by Richard Purdie
parent da02f483c4
commit 0eb40ba0de
2 changed files with 38 additions and 23 deletions
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57
scripts/devtool
View File

@ -35,7 +35,7 @@ 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
from devtool import DevtoolError, setup_tinfoil
import scriptutils
logger = scriptutils.logger_create('devtool')
@ -186,37 +186,28 @@ def main():
pth = os.path.dirname(pth)
parser = argparse.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('-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')
subparsers = parser.add_subparsers(dest="subparser_name", title='subcommands', metavar='<subcommand>')
global_args, unparsed_args = parser.parse_known_args()
if not context.fixed_setup:
parser_create_workspace = subparsers.add_parser('create-workspace',
help='Set up a workspace',
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)
# 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')
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:
if global_args.debug:
logger.setLevel(logging.DEBUG)
elif args.quiet:
elif global_args.quiet:
logger.setLevel(logging.ERROR)
if args.basepath:
if global_args.basepath:
# Override
basepath = args.basepath
basepath = global_args.basepath
elif not context.fixed_setup:
basepath = os.environ.get('BUILDDIR')
if not basepath:
@ -246,7 +237,31 @@ def main():
logger.debug('Using standard bitbake path %s' % bitbakepath)
scriptpath.add_oe_lib_path()
scriptutils.logger_setup_color(logger, args.color)
scriptutils.logger_setup_color(logger, global_args.color)
tinfoil = setup_tinfoil(config_only=True)
for path in ([scripts_path] +
tinfoil.config_data.getVar('BBPATH', True).split(':')):
pluginpath = os.path.join(path, 'lib', 'devtool')
scriptutils.load_plugins(logger, plugins, pluginpath)
tinfoil.cooker.shutdown(force=True)
tinfoil.cooker.unlockBitbake()
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 a workspace',
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)
for plugin in plugins:
if hasattr(plugin, 'register_commands'):
plugin.register_commands(subparsers, context)
args = parser.parse_args(unparsed_args, namespace=global_args)
if args.subparser_name != 'create-workspace':
read_workspace()

4
scripts/lib/devtool/__init__.py
View File

@ -96,7 +96,7 @@ def exec_fakeroot(d, cmd, **kwargs):
newenv[splitval[0]] = splitval[1]
return subprocess.call("%s %s" % (fakerootcmd, cmd), env=newenv, **kwargs)
def setup_tinfoil():
def setup_tinfoil(config_only=False):
"""Initialize tinfoil api from bitbake"""
import scriptpath
bitbakepath = scriptpath.add_bitbake_lib_path()
@ -106,7 +106,7 @@ def setup_tinfoil():
import bb.tinfoil
tinfoil = bb.tinfoil.Tinfoil()
tinfoil.prepare(False)
tinfoil.prepare(config_only)
tinfoil.logger.setLevel(logger.getEffectiveLevel())
return tinfoil