--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/williamr/convert_to_eula.py	Mon Jan 25 13:56:10 2010 +0000
@@ -0,0 +1,142 @@
+#!/usr/bin/python
+# Copyright (c) 2009 Symbian Foundation.
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Symbian Foundation - Initial contribution
+# 
+# Description:
+# Map the SFL license to the EULA license, keeping a copy of the original file
+# in a parallel tree for creation of a "repair" kit to reinstate the SFL
+
+import os
+import os.path
+import re
+import codecs
+
+oldtext0 = re.compile('terms of the License "Symbian Foundation License v1.0"(to Symbian Foundation)?')
+oldtext1 = re.compile('the URL "http:..www.symbianfoundation.org/legal/sfl-v10.html"')
+
+newtext = [
+  'terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members',
+  'the URL "http://www.symbianfoundation.org/legal/licencesv10.html"'
+]
+
+errorfiles = []
+multinoticefiles = []
+shadowroot = 'shadow_epoc32'
+
+def file_type(file) :
+	f = open(file, 'r')
+	data = f.read(256)
+	f.close()
+	if len(data) < 2:
+		return None # too short to be worth bothering about anyway
+	if data[0] == chr(255) and data[1] == chr(254) :
+		return 'utf_16_le'
+	if data.find(chr(0)) >= 0 : 
+		return None	# zero byte implies binary file
+	return 'text'
+	
+def map_eula(dir, name, encoded) :
+	global oldtext0
+	global newtext1
+	global newtext
+	file = os.path.join(dir, name)
+	if encoded == 'text':
+		f = open(file, 'r')
+	else:
+		f = codecs.open(file, 'r', encoding=encoded)
+	lines = f.readlines()
+	# print ">> %s encoded as %s" % (file, f.encoding)
+	f.close()
+	
+	updated = 0
+	newlines = []
+	while len(lines) > 0:
+		line = lines.pop(0)
+		pos1 = oldtext0.search(line)
+		if pos1 != None:
+			# be careful - oldtext is a prefix of newtext
+			if pos1.group(1) != None:
+				# line already converted - nothing to do
+				newlines.append(line)
+				continue
+			midlines = []
+			midlinecount = 1
+			while len(lines) > 0:
+				nextline = lines.pop(0)
+				if not re.match('^\s$', nextline):
+					# non-blank line
+					if midlinecount == 0:
+						break
+					midlinecount -= 1
+				midlines.append(nextline)
+			urlline = nextline
+			pos2 = oldtext1.search(urlline)
+			if pos2 != None:
+				# found it - assume that there's only one instance
+				newline = oldtext0.sub(newtext[0], line)
+				newurl  = oldtext1.sub(newtext[1], urlline)
+				newlines.append(newline)
+				newlines.extend(midlines)
+				newlines.append(newurl)
+				updated += 1
+				continue
+			else:
+			  if updated != 0:
+			  	lineno = 1 + len(newlines)
+			  	print "Problem in " + file + " at " + lineno + ": incorrectly formatted >"
+			  	print line
+			  	print midlines
+			  	print urlline
+			  	global errorfiles
+			  	errorfiles.append(file)
+			  break
+		newlines.append(line)
+	
+	if updated == 0:
+		print " = no change to " + file
+		return
+	
+	if updated > 1:
+	  global multinoticefiles
+	  multinoticefiles.append(file)
+	  print '! found %d SFL notices in %s' % (updated, file)
+	
+	global shadowroot
+	shadowdir = os.path.join(shadowroot, dir)
+	if not os.path.exists(shadowdir) :
+		os.makedirs(shadowdir)
+	newfile = os.path.join(shadowroot,file)
+	os.rename(file, newfile)
+	if encoded == 'text':
+		f = open(file, 'w')
+	else:
+		f = codecs.open(file, 'w', encoding=encoded)
+	f.writelines(newlines)
+	f.close()
+	print "* updated %s (encoding %s)" % (file, f.encoding)
+
+# process tree
+
+for root, dirs, files in os.walk('epoc32', topdown=True):
+	if re.compile('epoc32$').match(root) >= 0:
+		if 'build' in dirs:
+			dirs.remove('build') # don't recurse into the epoc32/build subtree
+	for name in files:
+		encoding = file_type(os.path.join(root, name))
+		if encoding:
+			map_eula(root, name, encoding)
+	
+print '%d problem files' % len(errorfiles)
+print errorfiles
+
+print '%d files with multiple notices' % len(multinoticefiles)
+print multinoticefiles
+
+