Added new tool to convert xrdb to PuTTY session.

New tool xrdb2putty.py converts .xrdb files to Windows Registry .reg
files which adds a new PuTTY session matching the color scheme name.

tools/xrdb2putty.py

@@ -0,0 +1,125 @@
+#!/usr/bin/env python
+# coding: utf-8
+#
+# This script converts xrdb (X11) color scheme format to PuTTY registry 
+# file which creates a new session with proper colors.
+#
+# Usage:
+# xrdb2putty.py path/to/xrdb/files -d path/to/putty/files
+#
+# Author: Caesar Kabalan <caesar.kabalan@gmail.com>
+# Adapted from xrdb2konsole by Stéphane Travostino
+# Adapted from xrdb2terminator by Xabier Larrakoetxea
+
+import os
+import sys
+import re
+import argparse
+
+# Takes #000A0B and returns (0, 10, 11)
+def hex_to_rgb(color):
+	return (int(color[1:3], 16), int(color[3:5], 16), int(color[5:7], 16))
+
+def build_putty_color(name, r, g, b):
+	return "\"%s\"=\"%d,%d,%d\"\n" % (name, r, g, b)
+
+if __name__ == "__main__":
+
+	parser = argparse.ArgumentParser(
+		description='Translate X color schemes to termiantor format')
+	parser.add_argument('xrdb_path', type=str, help='path to xrdb files')
+	parser.add_argument('-d', '--out-directory', type=str, dest='output_path',
+		help='path where putty config files will be' +
+		' created, if not provided then will be printed')
+
+	args = parser.parse_args()
+
+
+	# The regexes to match the colors
+	color_regex = re.compile("#define +Ansi_(\d+)_Color +(#[A-Fa-f0-9]{6})")
+	bg_regex = re.compile("#define +Background_Color +(#[A-Fa-f0-9]{6})")
+	fg_regex = re.compile("#define +Foreground_Color +(#[A-Fa-f0-9]{6})")
+	bold_regex = re.compile("#define +Bold_Color +(#[A-Fa-f0-9]{6})")
+	cursor_regex = re.compile("#define +Cursor_Color +(#[A-Fa-f0-9]{6})")
+	cursor_text_regex = re.compile("#define +Cursor_Text_Color +(#[A-Fa-f0-9]{6})")
+
+	# File regex
+	xrdb_regex = re.compile("(.+)\.[xX][rR][dD][bB]")
+
+	for i in filter(lambda x: xrdb_regex.match(x), os.listdir(args.xrdb_path)):
+		name = xrdb_regex.match(i).group(1)
+
+		# Read XRDB file
+		with open(os.path.join(args.xrdb_path, i)) as f:
+			xrdb_data = f.read()
+
+		# Open output file
+		output = sys.stdout
+
+		if args.output_path:
+			dest = os.path.join(args.output_path, name)
+			output = open('{0}.reg'.format(dest), 'w+')
+		else:
+			output.write('\n%s:\n' % name)
+
+		# Emit header
+		output.write("Windows Registry Editor Version 5.00\n\n[HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions\%s]\n" % name)
+
+		# Emit background color
+		bg_color = hex_to_rgb(bg_regex.search(xrdb_data).group(1))
+		output.write(build_putty_color('Colour2', *bg_color))
+		output.write(build_putty_color('Colour3', *bg_color))
+
+		# Emit foreground color
+		fg_color = hex_to_rgb(fg_regex.search(xrdb_data).group(1))
+		output.write(build_putty_color('Colour0', *fg_color))
+
+		# Emit bold color, if any
+		match = bold_regex.search(xrdb_data)
+		if match:
+			bold_color = hex_to_rgb(match.group(1))
+			output.write(build_putty_color('Colour1', *bold_color))
+		else:
+			output.write(build_putty_color('Colour1', *fg_color))
+
+		# Emit cursor color
+		cursor_color = hex_to_rgb(cursor_regex.search(xrdb_data).group(1))
+		output.write(build_putty_color('Colour5', *cursor_color))
+
+		# Emit cursor text color
+		cursor_text_color = hex_to_rgb(cursor_text_regex.search(xrdb_data).group(1))
+		output.write(build_putty_color('Colour4', *cursor_text_color))
+
+		# The ANSI color list from xrdb doesn't match up with the weird order
+		# that the putty registry entries use. This converts Ansi_0_Color from
+		# .xrdb files to Colour6 which go into the PuTTY .reg files.
+		xrdb_to_putty_dict = {
+			0 : 6,
+			1 : 8,
+			2 : 10,
+			3 : 12,
+			4 : 14,
+			5 : 16,
+			6 : 18,
+			7 : 20,
+			8 : 7,
+			9 : 9,
+			10 : 11,
+			11 : 13,
+			12 : 15,
+			13 : 17,
+			14 : 19,
+			15 : 21,
+		}
+
+		# Emit other colors
+		for match in color_regex.findall(xrdb_data):
+			color_index = int(match[0])
+			color_rgb = hex_to_rgb(match[1])
+
+			color_name = 'Colour%d' % xrdb_to_putty_dict[color_index]
+
+			output.write(build_putty_color(color_name, *color_rgb))
+
+		if args.output_path:
+			output.close()