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32ef523898
The listing of subcommands in the --help output for devtool was starting to get difficult to follow, with commands appearing in no particular order (due to some being in separate modules and the order of those modules being parsed). Logically grouping the subcommands as well as being able to exercise some control over the order of the subcommands and groups would help, if we do so without losing the dynamic nature of the list (i.e. that it comes from the plugins). Argparse provides no built-in way to handle this and really, really makes it a pain to add, but with some subclassing and hacking it's now possible, and can be extended by any plugin as desired. To put a subcommand into a group, all you need to do is specify a group= parameter in the call to subparsers.add_parser(). you can also specify an order= parameter to make the subcommand sort higher or lower in the list (higher order numbers appear first, so use negative numbers to force items to the end if that's what you want). To add a new group, use subparsers.add_subparser_group(), supplying the name, description and optionally an order number for the group itself (again, higher numbers appear first). (From OE-Core rev: e1b9d31e6ea3c254ecfe940fe795af44761e0e69) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
66 lines
2.7 KiB
Python
66 lines
2.7 KiB
Python
# Development tool - runqemu command plugin
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#
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# Copyright (C) 2015 Intel Corporation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""Devtool runqemu plugin"""
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import os
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import bb
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import logging
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import argparse
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import glob
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from devtool import exec_build_env_command, setup_tinfoil, DevtoolError
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logger = logging.getLogger('devtool')
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def runqemu(args, config, basepath, workspace):
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"""Entry point for the devtool 'runqemu' subcommand"""
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tinfoil = setup_tinfoil(config_only=True, basepath=basepath)
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machine = tinfoil.config_data.getVar('MACHINE', True)
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bindir_native = tinfoil.config_data.getVar('STAGING_BINDIR_NATIVE', True)
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tinfoil.shutdown()
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if not glob.glob(os.path.join(bindir_native, 'qemu-system-*')):
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raise DevtoolError('QEMU is not available within this SDK')
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imagename = args.imagename
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if not imagename:
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sdk_targets = config.get('SDK', 'sdk_targets', '').split()
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if sdk_targets:
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imagename = sdk_targets[0]
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if not imagename:
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raise DevtoolError('Unable to determine image name to run, please specify one')
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try:
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exec_build_env_command(config.init_path, basepath, 'runqemu %s %s %s' % (machine, imagename, " ".join(args.args)), watch=True)
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except bb.process.ExecutionError as e:
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# We've already seen the output since watch=True, so just ensure we return something to the user
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return e.exitcode
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return 0
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def register_commands(subparsers, context):
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"""Register devtool subcommands from this plugin"""
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if context.fixed_setup:
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parser_runqemu = subparsers.add_parser('runqemu', help='Run QEMU on the specified image',
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description='Runs QEMU to boot the specified image',
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group='testbuild', order=-20)
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parser_runqemu.add_argument('imagename', help='Name of built image to boot within QEMU', nargs='?')
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parser_runqemu.add_argument('args', help='Any remaining arguments are passed to the runqemu script (pass --help after imagename to see what these are)',
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nargs=argparse.REMAINDER)
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parser_runqemu.set_defaults(func=runqemu)
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