yocto-layer: new script
Implementation of the 'yocto-layer' command-line tool, for creating generic layers and listing their input properties. (From meta-yocto rev: 8170bea55379d1a25acc0fea108675526eeab6f6) Signed-off-by: Tom Zanussi <tom.zanussi@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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#!/usr/bin/env python
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# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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#
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# Copyright (c) 2012, Intel Corporation.
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# All rights reserved.
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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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#
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# DESCRIPTION
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# 'yocto-layer' is the Yocto Tool that helps users create a new Yocto
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# layer. Invoking it without any arguments will display help screens
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# for the 'yocto-layer' command and list the available 'yocto-layer'
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# subcommands. Invoking a subcommand without any arguments will
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# likewise display help screens for the specified subcommand. Please
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# use that interface for detailed help.
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#
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# AUTHORS
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# Tom Zanussi <tom.zanussi (at] intel.com>
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#
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__version__ = "0.1.0"
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import os
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import sys
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import optparse
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import logging
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scripts_path = os.path.abspath(os.path.dirname(os.path.abspath(sys.argv[0])))
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lib_path = scripts_path + '/lib'
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sys.path = sys.path + [lib_path]
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from bsp.help import *
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from bsp.engine import *
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def yocto_layer_create_subcommand(args, usage_str):
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"""
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Command-line handling for layer creation. The real work is done by
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bsp.engine.yocto_layer_create()
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"""
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parser = optparse.OptionParser(usage = usage_str)
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parser.add_option("-o", "--outdir", dest = "outdir", action = "store",
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help = "name of layer dir to create")
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parser.add_option("-i", "--infile", dest = "properties_file", action = "store",
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help = "name of file containing the values for layer input properties as a JSON file")
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parser.add_option("-c", "--codedump", dest = "codedump", action = "store_true",
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default = False, help = "dump the generated code to layergen.out")
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(options, args) = parser.parse_args(args)
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if len(args) != 1:
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logging.error("Wrong number of arguments, exiting\n")
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parser.print_help()
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sys.exit(1)
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layer_name = args[0]
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if options.outdir:
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layer_output_dir = options.outdir
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else:
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layer_output_dir = "meta-" + layer_name
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yocto_layer_create(layer_name, scripts_path, layer_output_dir, options.codedump, options.properties_file)
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def yocto_layer_list_subcommand(args, usage_str):
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"""
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Command-line handling for listing available layer properties and
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values. The real work is done by bsp.engine.yocto_layer_list()
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"""
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parser = optparse.OptionParser(usage = usage_str)
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parser.add_option("-o", "--outfile", action = "store", dest = "properties_file",
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help = "dump the possible values for layer properties to a JSON file")
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(options, args) = parser.parse_args(args)
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if not yocto_layer_list(args, scripts_path, options.properties_file):
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logging.error("Bad list arguments, exiting\n")
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parser.print_help()
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sys.exit(1)
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subcommands = {
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"create": [yocto_layer_create_subcommand,
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yocto_layer_create_usage,
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yocto_layer_create_help],
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"list": [yocto_layer_list_subcommand,
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yocto_layer_list_usage,
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yocto_layer_list_help],
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}
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def start_logging(loglevel):
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logging.basicConfig(filname = 'yocto-layer.log', filemode = 'w', level=loglevel)
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def main():
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parser = optparse.OptionParser(version = "yocto-layer version %s" % __version__,
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usage = yocto_layer_usage)
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parser.disable_interspersed_args()
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parser.add_option("-D", "--debug", dest = "debug", action = "store_true",
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default = False, help = "output debug information")
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(options, args) = parser.parse_args()
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loglevel = logging.INFO
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if options.debug:
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loglevel = logging.DEBUG
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start_logging(loglevel)
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if len(args):
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if args[0] == "help":
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if len(args) == 1:
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parser.print_help()
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sys.exit(1)
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invoke_subcommand(args, parser, yocto_layer_help_usage, subcommands)
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if __name__ == "__main__":
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try:
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ret = main()
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except Exception:
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ret = 1
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import traceback
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traceback.print_exc(5)
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sys.exit(ret)
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