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Convert optparse to argparse.

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* Fix exceptions and print exception message.
 * Also add myself to copyright.
This commit is contained in:
Amar Takhar 2020-03-04 12:45:56 -05:00 committed by Amar Takhar
parent 90713f7d36
commit e29d0a6ac8
1 changed files with 22 additions and 20 deletions
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42
misc/tools/mkimage.py
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@ -3,6 +3,7 @@
# A quickly bashed together replacement for u-boot's mkimage written in python
#
# Copyright 2010 Craig Barker
# Copyright 2020 Amar Takhar <amar@rtems.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
@ -27,7 +28,7 @@
# POSSIBILITY OF SUCH DAMAGE.
from optparse import OptionParser
import argparse
from struct import *
import sys
import os.path
@ -53,30 +54,31 @@ types = {'invalid':0, 'standalone':1, 'kernel':2, 'ramdisk':3, 'multi':4,
comps = {'none':0, 'bzip2':2, 'gzip':1, 'lzma':3 }
usage = "usage: %prog [options] image"
parser = OptionParser(usage=usage)
parser.add_option("-A","--arch", dest="arch", default="powerpc",
parser = argparse.ArgumentParser()
parser.add_argument("-A","--arch", dest="arch", default="powerpc",
help="set architecture to 'arch'", metavar="ARCH")
parser.add_option("-O","--os", dest="os", default="linux",
parser.add_argument("-O","--os", dest="os", default="linux",
help="set operating system to 'os'", metavar="OS")
parser.add_option("-T","--type", dest="type", default="kernel",
parser.add_argument("-T","--type", dest="type", default="kernel",
help="set image type to 'type'", metavar="TYPE")
parser.add_option("-C","--comp", dest="comp", default="gzip",
parser.add_argument("-C","--comp", dest="comp", default="gzip",
help="set compression type 'comp'", metavar="COMP")
parser.add_option("-a","--addr", dest="addr", default="0",
parser.add_argument("-a","--addr", dest="addr", default="0",
help="set load address to 'addr' (hex)", metavar="ADDR")
parser.add_option("-e","--ep", dest="ep", default="0",
parser.add_argument("-e","--ep", dest="ep", default="0",
help="set entry point to 'ep' (hex)", metavar="EP")
parser.add_option("-n","--name", dest="name", default="",
parser.add_argument("-n","--name", dest="name", default="",
help="set image name to 'name'", metavar="NAME")
parser.add_option("-d","--datafile", dest="datafile",
help="use image data from 'datafile'", metavar="DATAFILE")
parser.add_option("-x","--xip", action="store_true", dest="xip", default=False,
parser.add_argument("-d","--datafile", dest="datafile",
help="use image data from 'datafile'", metavar="DATAFILE", required=True)
parser.add_argument("-x","--xip", action="store_true", dest="xip", default=False,
help="set XIP (execute in place)")
parser.add_argument("outputfile",
help="Output file.", metavar="OUTPUTFILE")
(options, args) = parser.parse_args()
if len(args) != 1: parser.print_help()
options = parser.parse_args()
if options.arch not in archs:
print "Invalid architecture specified, aborting"
@ -98,15 +100,15 @@ try:
inputsize = os.path.getsize(options.datafile)
inputfile = open(options.datafile, 'rb')
except IOError:
print "Invalid datafile specified, aborting"
except OSError as e:
print "Invalid datafile specified, aborting: %s" % e
sys.exit(2)
try:
outputfile = open(args[0],'wb')
outputfile = open(options.outputfile,'wb')
except IOError:
print "Error opening output file for writing, aborting"
except IOError as e:
print "Error opening output file for writing, aborting: %s" % e
sys.exit(1)
struct = Struct("!IIIIIIIBBBB"+str(IMG_NAME_LENGTH)+"s")