--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/localedef/mkwidths.py	Tue Aug 27 18:16:23 2013 -0700
@@ -0,0 +1,78 @@
+#!/bin/python
+"""
+
+This file and its contents are supplied under the terms of the
+Common Development and Distribution License ("CDDL"), version 1.0.
+You may only use this file in accordance with the terms of version
+1.0 of the CDDL.
+
+A full copy of the text of the CDDL should have accompanied this
+source.  A copy of the CDDL is also available via the Internet at
+http://www.illumos.org/license/CDDL.
+
+Copyright 2013 DEY Storage Systems, Inc.
+
+Scratch script to produce the widths.cm content from the widths text
+files.  It converts numeric unicode to symbolic forms.
+"""
+
+SYMBOLS = {}
+
+
+def u8_str(val):
+    """
+    Convert a numeric value to a string representing the UTF-8 encoding
+    of the numeric value, which should be a valid Unicode code point.
+    """
+    u8str = unichr(val).encode('utf-8')
+    idx = 0
+    out = ""
+    while idx < len(u8str):
+        out += "\\x%X" % ord(u8str[idx])
+        idx += 1
+    return out
+
+
+def load_utf8():
+    """
+    This function loads the UTF-8 character map file, loading the symbols
+    and the numeric values.  The result goes into the global SYMBOLS array.
+    """
+    lines = open("UTF-8.cm").readlines()
+    for line in lines:
+        items = line.split()
+        if (len(items) != 2) or items[0].startswith("#"):
+            continue
+        (sym, val) = (items[0], items[1])
+        SYMBOLS[val] = sym
+
+
+def do_width_file(width, filename):
+    """
+    This function takes a file pairs of unicode values (hex), each of
+    which is a range of unicode values, that all have the given width.
+    """
+    for line in open(filename).readlines():
+        if line.startswith("#"):
+            continue
+        vals = line.split()
+        while len(vals) > 1:
+            start = int(vals[0], 16)
+            end = int(vals[1], 16)
+            val = start
+            while val <= end:
+                key = u8_str(val)
+                val += 1
+                sym = SYMBOLS.get(key, None)
+                if sym == None:
+                    continue
+                print "%s\t%d" % (sym, width)
+            vals = vals[2:]
+
+
+if __name__ == "__main__":
+    print "WIDTH"
+    load_utf8()
+    do_width_file(0, "widths-0.txt")
+    do_width_file(2, "widths-2.txt")
+    print "END WIDTH"