#!/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 EPL license+
−
+
−
import os+
−
import os.path+
−
import re+
−
import codecs+
−
from optparse import OptionParser+
−
import sys+
−
+
−
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 "Eclipse Public License v1.0"',+
−
  'the URL "http://www.eclipse.org/legal/epl-v10.html"'+
−
]+
−
+
−
modifiedfiles = []+
−
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_epl(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 0+
−
	+
−
	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)+
−
	+
−
	global options+
−
	if not options.dryrun:+
−
		if encoded == 'text':+
−
			f = open(file, 'w')+
−
		else:+
−
			f = codecs.open(file, 'w', encoding=encoded)+
−
		f.writelines(newlines)+
−
		f.close()+
−
		modifiedfiles.append(file)+
−
	print "* updated %s (encoding %s)" % (file, encoded)+
−
	return 1+
−
+
−
parser = OptionParser(version="%prog 0.3", usage="Usage: %prog [options]")+
−
parser.add_option("-n", "--check", action="store_true", dest="dryrun",+
−
	help="report the files which would be updated, but don't change anything")+
−
parser.add_option("--nozip", action="store_false", dest="zip",+
−
	help="disable the attempt to generate a zip of the updated files")+
−
parser.set_defaults(dryrun=False,zip=True)+
−
+
−
(options, args) = parser.parse_args()+
−
if len(args) != 0:+
−
	parser.error("Unexpected commandline arguments")+
−
+
−
# process tree+
−
+
−
update_count = 0+
−
for root, dirs, files in os.walk('.', topdown=True):+
−
	if '.hg' in dirs:+
−
			dirs.remove('.hg') # don't recurse into the Mercurial repository storage+
−
	for name in files:+
−
		encoding = file_type(os.path.join(root, name))+
−
		if encoding:+
−
			update_count += map_epl(root, name, encoding)+
−
	+
−
print '%d problem files' % len(errorfiles)+
−
print errorfiles+
−
+
−
print '%d files with multiple notices' % len(multinoticefiles)+
−
print multinoticefiles+
−
+
−
if options.dryrun and update_count > 0:+
−
	print "%d files need updating" % update_count+
−
	sys.exit(1)+
−
+
−
if options.zip and len(modifiedfiles):+
−
	zip = os.popen('zip fixed_files.zip -@', 'w')+
−
	for file in modifiedfiles:+
−
		print >> zip, file+
−
	zip.close()+
−
	print "%d files written to fixed_files.zip" % len(modifiedfiles)+
−
+
−
+
−
	+
−
	+
−