generic-poky/bitbake/bin/bitbake-dumpsig

95 lines
2.8 KiB
Python
Executable File

#!/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))