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#!/usr/bin/env python3
import argparse
import os
import struct
def create_header(args, size):
header = struct.pack('32s32s32s32s32s',
args.part_name.encode('ascii'),
str(size).encode('ascii'),
args.part_version.encode('ascii'),
"".encode('ascii'),
args.rootfs_version.encode('ascii'))
return header
def create_output(args):
in_st = os.stat(args.input_file)
in_size = in_st.st_size
header = create_header(args, in_size)
print(header)
in_f = open(args.input_file, 'r+b')
in_bytes = in_f.read(in_size)
in_f.close()
out_f = open(args.output_file, 'w+b')
out_f.write(header)
out_f.write(in_bytes)
out_f.close()
def main():
global args
parser = argparse.ArgumentParser(description='')
parser.add_argument('--input-file',
dest='input_file',
action='store',
type=str,
help='Input file')
parser.add_argument('--output-file',
dest='output_file',
action='store',
type=str,
help='Output file')
parser.add_argument('--part-name',
dest='part_name',
action='store',
type=str,
help='Partition Name')
parser.add_argument('--part-version',
dest='part_version',
action='store',
type=str,
help='Partition Version')
parser.add_argument('--rootfs-version',
dest='rootfs_version',
action='store',
type=str,
help='RootFS lib version')
args = parser.parse_args()
if not args.rootfs_version:
args.rootfs_version = ""
if ((not args.input_file) or
(not args.output_file) or
(not args.part_name) or
(not args.part_version)):
parser.print_help()
create_output(args)
main()
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