1 files changed, 54 insertions, 0 deletions
diff --git a/datrom b/datrom
new file mode 100755
index 0000000..052542b
--- /dev/null
+++ b/datrom
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+# vim: set encoding=utf-8 noet ts=4
+# TODO: NES headers
+
+"""Identify ROM with DAT file."""
+
+import binascii, os, sys
+from dat import DAT
+
+def identify(datafile, romfile):
+	"""
+	ROM file to identify.
+	"""
+	with open(romfile,'rb') as f:
+		crc = "{:08x}".format(binascii.crc32(f.read()))
+	print("CRC:  {0}".format(crc))
+
+	size = os.path.getsize(romfile)
+	print("Size: {0}".format(size))
+
+	dat = DAT(datafile)
+	name = dat.name(crc, size)
+	print("Name: {0}".format(name))
+	return name
+
+def rename(romfile, name):
+	"""
+	Rename ROM file from name in DAT.
+	"""
+	romfile = os.path.abspath(romfile)
+	name = os.path.join(os.path.dirname(romfile), name)
+	os.rename(romfile, name)
+	print("\nSource:      {0}\nDestination: {1}".format(romfile, name))
+
+if __name__ == '__main__':
+	import argparse
+	parser = argparse.ArgumentParser(add_help=False, description=__doc__)
+
+	parser.add_argument('DAT', help=DAT.__doc__)
+	parser.add_argument('ROM', help=identify.__doc__)
+
+	parser.add_argument(
+		'-h', '--help', action='help', default=argparse.SUPPRESS,
+		help='Show this help message and exit.'
+	)
+	parser.add_argument(
+		'-r', '--rename', action='store_true',
+		help=rename.__doc__
+	)
+
+	args = parser.parse_args()
+	name = identify(args.DAT, args.ROM)
+	if args.rename:
+		rename(args.ROM, name)