#!/usr/bin/env python

import optparse, os.path

FILENAMES = ["Instrument.py", "Event.py", "Project.py"]

def getZPTUndoStrings(filename):
	file = open(filename)
	lineList = []
	tempLine = None
	currentLine = file.readline()
	while currentLine:
		if currentLine.startswith("\tdef "):
			tempLine = currentLine
		elif "undo : " in currentLine and tempLine:
			lineList.append(stripWhiteSpace(tempLine))
			tempLine = None
			
		currentLine = file.readline()
	
	return lineList
			
def getZPNUndoStrings(filename):
	file = open(filename)
	lineList = []
	lastWasUndo = None
	currentLine = file.readline()
	while currentLine:
		if currentLine.startswith("\t@UndoSystem.UndoCommand("):
			lineList.append(stripWhiteSpace(file.readline()))
			
		currentLine = file.readline()
		
	return lineList
		
def stripWhiteSpace(string):
	return "".join([x for x in string if not x.isspace()])
		
if __name__ == "__main__":
	parser = optparse.OptionParser(usage="%prog [Jokosher 0.9 folder] [Jokosher 0.2 folder]", version="0.9-SVN")
	(options, args) = parser.parse_args()
	
	if not args or len(args) != 2 or (not args[0] or not args[1]):
		print "Please specify both a Jokosher 0.9 and 0.2 folder."
	else:
		ZPNStrings = []
		ZPTStrings = []
		
		Terrors = []
		for i in FILENAMES:
			ZPNStrings.append(getZPNUndoStrings(os.path.join(args[0], i)))
			ZPTStrings.append(getZPTUndoStrings(os.path.join(args[1], i)))
		
		print "Jokosher version 0.9 is missing:"
		for i in range(len(FILENAMES)):
			for x in ZPTStrings[i]:
				if not x in ZPNStrings[i]:
					print FILENAMES[i] + ":", x