from os import path
import argparse
import macresources
from macresources import binhex

parser = argparse.ArgumentParser(description='''
    Convert a "rdump" file (provide base name) to hqx
''')

parser.add_argument('srcfile', help='base name (.rdump/.idump should be alongside)')

args = parser.parse_args()


finfo = binhex.FInfo()
finfo.Flags = 0

try:
    info = open(args.srcfile + '.idump', 'rb').read(8)
    assert len(info) == 8
    finfo.Type = info[:4]
    finfo.Creator = info[4:]
except:
    pass

try:
    data = open(args.srcfile, 'rb').read()
    if finfo.Type in [b'TEXT', b'ttro']:
        data = data.decode('utf-8').encode('mac_roman')
except:
    data = b''

try:
    rsrc = open(args.srcfile + '.rdump', 'rb').read()
    rsrc = macresources.make_file(macresources.parse_rez_code(rsrc))
except:
    rsrc = b''

bh = binhex.BinHex((path.basename(args.srcfile), finfo, len(data), len(rsrc)), args.srcfile + '.hqx')

bh.write(data)
bh.write_rsrc(rsrc)

bh.close()