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- #!/usr/bin/env python3
- # bitbake-dumpsig
- # BitBake task signature dump utility
- #
- # Copyright (C) 2013 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 os
- import sys
- import warnings
- import optparse
- import logging
- import pickle
- sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib'))
- import bb.tinfoil
- import bb.siggen
- import bb.msg
- logger = bb.msg.logger_create('bitbake-dumpsig')
- def find_siginfo_task(bbhandler, pn, taskname):
- """ Find the most recent signature file for the specified PN/task """
- if not hasattr(bb.siggen, 'find_siginfo'):
- logger.error('Metadata does not support finding signature data files')
- sys.exit(1)
- if not taskname.startswith('do_'):
- taskname = 'do_%s' % taskname
- filedates = bb.siggen.find_siginfo(pn, taskname, None, bbhandler.config_data)
- latestfiles = sorted(filedates.keys(), key=lambda f: filedates[f])[-1:]
- if not latestfiles:
- logger.error('No sigdata files found matching %s %s' % (pn, taskname))
- sys.exit(1)
- return latestfiles[0]
- parser = optparse.OptionParser(
- description = "Dumps siginfo/sigdata files written out by BitBake",
- usage = """
- %prog -t recipename taskname
- %prog sigdatafile""")
- parser.add_option("-D", "--debug",
- help = "enable debug",
- action = "store_true", dest="debug", default = False)
- parser.add_option("-t", "--task",
- help = "find the signature data file for the specified task",
- action="store", dest="taskargs", nargs=2, metavar='recipename taskname')
- options, args = parser.parse_args(sys.argv)
- if options.debug:
- logger.setLevel(logging.DEBUG)
- if options.taskargs:
- tinfoil = bb.tinfoil.Tinfoil()
- tinfoil.prepare(config_only = True)
- file = find_siginfo_task(tinfoil, options.taskargs[0], options.taskargs[1])
- logger.debug("Signature file: %s" % file)
- elif len(args) == 1:
- parser.print_help()
- sys.exit(0)
- else:
- file = args[1]
- try:
- output = bb.siggen.dump_sigfile(file)
- except IOError as e:
- logger.error(str(e))
- sys.exit(1)
- except (pickle.UnpicklingError, EOFError):
- logger.error('Invalid signature data - ensure you are specifying a sigdata/siginfo file')
- sys.exit(1)
- if output:
- print('\n'.join(output))
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