From c1dfdb7e18c9ea5e9c400bbd20b840b9e29adf86 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Thu, 25 Nov 2010 16:17:29 -0500
Subject: [PATCH 1/1] Began versioning from nwc2ly.py v0.9.0

Downloaded from
  http://lily4jedit.svn.sourceforge.net/viewvc/lily4jedit/trunk/LilyPondTool/otherpatches/nwc2ly.py?revision=410&view=markup&pathrev=476
---
 nwc2ly.py | 1061 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1061 insertions(+)
 create mode 100644 nwc2ly.py

diff --git a/nwc2ly.py b/nwc2ly.py
new file mode 100644
index 0000000..028cc45
--- /dev/null
+++ b/nwc2ly.py
@@ -0,0 +1,1061 @@
+import binascii, sys, zlib, traceback 
+
+shortcopyleft = """
+nwc2ly - Converts NWC(v 1.75) to LY fileformat
+Copyright (C) 2005  Joshua Koo (joshuakoo @ myrealbox.com)
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+"""
+
+##
+# most infomation obtained about the nwc format 
+# is by using noteworthycomposer and the somewhat like the french cafe method
+# (http://samba.org/ftp/tridge/misc/french_cafe.txt)
+#
+#
+## 
+# Revisions
+# 0.1	07 april 2005 initial hex parsing;
+# 0.2	13 april 2005 added multiple staff, keysig, dots, durations
+# 0.3	14 april 2005 clef, key sig detection, absolute notes pitching
+# 0.4   15 April 2005 Relative Pitchs, Durations, Accidentals, Stem Up/Down, Beam, Tie
+# 0.5   16 April 2005 Bug fixes, Generate ly score , Write to file, Time Sig, Triplets, Experimental chords
+# 0.6 	17 April 2005 Compressed NWC file Supported!
+# 0.7 	19 April 2005 Version detection, Header 
+#	20 April 2005 BUGS FiXes, small Syntax changes
+#	21 April 2005 Still fixing aimlessly 
+#	23 April 2005 Chords Improvement
+#	24 April 2005 staccato, accent, tenuto. dynamics, midi detection (but unsupported)
+# 0.8	24 April 2005 Experimental Lyrics Support
+# 0.9	29 April 2005 Workround for \acciaccatura, simple Check full bar rest adjustment
+#	
+## 
+# TODO
+# Proper syntax and structure for staffs, lyrics, layering
+# version 1.7 Support
+# nwc2ly in lilytool
+# 
+# Piano Staff
+# Chords
+# Pedals
+# Midi Instruments
+# Visability
+# Lyrics
+# Context Staff
+# Staff layering / Merging
+##
+#
+# BUGS text markups, chords, fermata
+######
+# 
+# cd /cygdrive/c/development/nwc2ly
+# $ python nwc2ly.py lvb7th1\ uncompressed.nwc test.ly > convert.log
+#######
+
+nwc2lyversion = '0.9.0'
+############
+# Options  #
+############
+debug = 0 
+	# You can use 0 for False and 1 for True
+relativePitch = 1
+relativeDuration = 1
+barLinesComments = 10 # Comments for every x lines 	# section/line comment
+
+insertBeaming = 1
+insertSteming = 1
+#insertText = 0
+
+nwcversion = 1.75
+##############
+
+args =  len(sys.argv)
+if args<2:
+	print "Syntax: python nwc2ly.py nwcfile [lyfile]"
+	sys.exit()
+nwcfile = sys.argv[1] # 'simple1.nwc' #'simple2.nwc' 'simple3.nwc' 'bbc5-1-org.nwc' bbc5-1-nop.
+
+if args<3:
+	lyfile = ''  # 'test.ly'
+else:
+	lyfile = sys.argv[2]
+
+
+
+def getFileFormat(nwcData):
+	#'[NoteWorthy ArtWare]'
+	#'[NoteWorthy Composer]'
+	nwcData.seek(0)
+	company = readLn(nwcData)
+	nwcData.seek(2,1) # pad
+	product = readLn(nwcData)
+	version = readLn(nwcData)
+	version = ord(version[0]) * 0.01 + ord(version[1])
+	nwcversion = version
+	print 'NWC file version', nwcversion, 'detected!'
+	pad(nwcData,2) # times saved
+	name1 = readLn(nwcData)
+	name2 = readLn(nwcData)
+	
+	pad(nwcData,8)
+	huh = nwcData.read(1)
+	pad(nwcData,1)
+	
+def getFileInfo(nwcData):
+	title = readLn(nwcData)
+	author = readLn(nwcData)
+	copyright1 = readLn(nwcData)
+	copyright2 = readLn(nwcData)
+	comments = readLn(nwcData)
+	
+	header = "\\header {"
+	header += "\n\ttitle = \"%s\"" % title
+	header += "\n\tenteredby = \"%s\"" % author
+	header += "\n\tcopyright = \"%s\"" % copyright1
+	header += "\n\tfooter = \"%s\"" % copyright2
+	header += "\n\t%%{ %s %%}" % comments
+	header += "\n}"
+		
+	# TO ADD IN DEFAULT BLANK FEILDS TO KEY IN
+	print 'title,author,copyright1,copyright2,comments: ', (title,author,copyright1,copyright2,comments)
+	return header
+
+# Page Setup
+def getPageSetup(nwcData):
+	# ??
+	getMargins(nwcData)
+	#getContents(nwcData)
+	#getOptions(nwcData)
+	getFonts(nwcData)
+
+	
+def getMargins(nwcData):
+	readTill(nwcData,'\x01')
+	pad(nwcData,1)
+	# get string size 43
+	margins = readLn(nwcData)
+	print 'margins ', margins
+	#mirrorMargines
+	#UOM
+	return 
+
+def getOptions(nwcData):
+	# page numbering, from
+	# title page info
+	# extend last system
+	# incrase note spacing for larger note duration
+	# staff size
+	# staff labels (none, first systems, top systems, all systems
+	# measure numbers none, plain, circled, boxed
+	# measure start
+	return
+
+def getFonts(nwcData):
+	# 12 Times
+	readTill(nwcData,'\xFF')
+	n = nwcData.read(1)
+	pad(nwcData,1)
+	for i in range (12):
+		# Font Name
+		font = readLn (nwcData)
+		
+		# 00
+		
+		# Style 'Regular' 'Italic' 'Bold' 'Bold Italic'
+		style = ord(nwcData.read(1)) & 3
+		
+		# Size
+		size = ord(nwcData.read(1))
+		
+		## 00
+		nwcData.seek(1,1)
+		
+		# Typeface
+		# 00 Western, b1 Hebrew
+		typeface = nwcData.read(1)
+		
+		print 'Font detected' , font, 'size',size, 'style ', style, ' typeface',typeface
+		
+
+def findNoOfStaff(nwcData):
+	# Infomation on Staffs \x08 00 00 FF 00 00 n
+	data = 0;
+	
+	readTill(nwcData,'\xFF')
+	print "Where am I? ", nwcData.tell()
+	
+	
+	nwcData.read(2)
+	
+	layering = nwcData.read(1) # FF or 00
+	
+	noOfStaffs = ord(nwcData.read(1))
+	nwcData.read(1)
+	print noOfStaffs, " noOfStaffs found"
+	return noOfStaffs
+
+def findStaffInfo(nwcData):
+	# Properties for Staff
+		# General 
+			# Name.
+			# Group
+			# Ending Bar
+		# Visual
+			# Verticle Upper Size
+			# Verticle Lower Size
+			# Style
+			# Layer Next Staff
+			# Color
+		# Midi
+			# Part Volume
+			# Stereo Pan
+			# Transposition
+			# Muted
+			# PlayBack Device
+			# Playback Channel
+		# Instrument
+			# Patch Name
+			# Patch List Type
+			# Bank Select 
+			# Controller0
+			# Controller32
+	# Staff Lyrics
+		# LineCount
+		# AlignSyllableRule
+		# StaffPlacementAligment
+		# StaffPlacementOffset
+		# StaffPropertiesVerticleSizeUpper
+		# StaffPropertiesVerticleSizeLower
+		
+	format = ''
+	staffName = readLn(nwcData)
+	format += "\\context Staff = %s " % staffName # or voice or lyrics 
+	
+	groupName = readLn(nwcData) # HOW TO ORGANISE THEM??
+	
+	endbar = ord(nwcData.read(1)) # & (2^3-1)
+	#print 'end ',endbar
+	endingBar = ending[endbar] #  10 --> OC for lyrics?  10000 1100
+	
+	muted = ord(nwcData.read(1)) & 1
+	nwcData.read(1)
+	
+	channel = ord(nwcData.read(1)) + 1
+	nwcData.read(9)
+	
+	stafftype = staffType[ord(nwcData.read(1))&3]
+	nwcData.read(1)
+	
+	uppersize = 256 - ord(nwcData.read(1))  # - signed +1 )& 2^7-1 )
+	readTill(nwcData,'\xFF')
+	
+	lowersize = ord(nwcData.read(1))
+	ww = nwcData.read(1) 
+	print '[uppersize,lowersize]',[uppersize,lowersize]
+	
+	noOfLines = ord(nwcData.read(1))
+	print '[staffName,groupName,endingBar,stafftype,noOfLines]', [staffName,groupName,endingBar,stafftype,noOfLines]
+	
+	layer = ord(nwcData.read(1)) & 1
+	
+	# signed transposition
+	# FF?
+	
+	partVolume = ord(nwcData.read(1))
+	ord(nwcData.read(1))
+	
+	stereoPan = ord(nwcData.read(1))
+	if nwcversion == 1.7:
+		nwcData.read(2)
+	else:
+		nwcData.read(3)
+	
+	nwcData.read(2)
+	#lyrics = ord(nwcData.read(1)) & 1
+	lyrics = readInt(nwcData)
+	noOfLyrics = readInt(nwcData)
+	
+	lyricsContent = ''
+	if lyrics:
+		lyricOptions = readInt(nwcData)
+		nwcData.read(3)
+		for i in range(noOfLyrics):
+			print 'looping ',i, 'where', nwcData.tell()
+			lyricsContent  += '\\ \lyricmode { ' # lyrics
+			lyricsContent  += getLyrics(nwcData) #
+			lyricsContent  += '}'
+		nwcData.read(1)
+	
+	nwcData.read(1)
+	color = ord(nwcData.read(1)) & 3 #12
+	
+	noOfTokens = readInt(nwcData)
+	print noOfTokens, " Tokens found", nwcData.tell()
+	return noOfTokens, format, lyricsContent
+	
+
+
+
+
+def pad(nwcData, length):
+	nwcData.seek(length,1)
+
+def readTill(nwcData, delimit):
+	data = ''
+	value = ''
+	while data!=delimit:
+		value += data
+		data = nwcData.read(1)
+		
+	return value
+	
+def readLn(nwcData):
+	return readTill (nwcData,'\x00')
+	# reads until 00 is hit
+	# od oa == \n
+
+def readInt(nwcData):
+	data = nwcData.read(2)
+	no = ord(data[0])
+	no += ord(data[1]) * 256
+	return no
+
+
+def getLyrics(nwcData):
+	
+	data = ''
+	print 'reach'
+	blocks = ord(nwcData.read(1))
+	if blocks==4: blocks = 1
+	if blocks==8: blocks = 2
+	if blocks == 0: return 
+	
+	lyricsLen = readInt(nwcData)
+	
+	print 'blocks ',blocks, 'lyrics len', lyricsLen, 'at ', nwcData.tell()
+	
+	nwcData.read(1)
+	for i in range (blocks):
+		data += nwcData.read(1024)
+	
+	lyrics = data[1:lyricsLen-1]
+	print 'lyrics ', lyrics
+	return lyrics
+	
+def getDuration(data):
+	durationBit = ord(data[2]) & 7
+	durationDotBit = ord(data[6]) 
+	
+	duration = durations[durationBit]
+	if (durationDotBit & 1<<2):
+		durationDot = '.'
+	elif (durationDotBit & 1):
+		durationDot = '..'
+	else :
+		durationDot = ''
+	return duration + durationDot
+
+def getKey(data):
+	data = binascii.hexlify(data)
+	
+	if (keysigs.has_key(data)):
+		return '\key ' + keysigs[data]
+	return '% unknown key'
+
+def getLocation(data):
+	offset = ord(data[8]);
+	if offset > 127 :
+		return 256-offset
+	if (ord(data[9])>>3 & 1):
+		return -offset
+	
+	return offset
+	#print 'offset ', offset
+	#print binascii.hexlify(data[8:9])
+
+def getAccidental(data):
+	data = ord(data)
+	data = (data & 7 )
+	return acdts[data]
+
+def getNote(data):
+	
+	# pitch
+	pitch = getLocation(data)
+	
+	# get Accidentals
+	accidental =  getAccidental(data[9])
+	
+	# get Relative Duration
+	duration = getDuration(data)
+	
+	# check stems
+	stem = ord(data[4])
+	stem = (stem >> 4) & 3
+	
+	# check beam
+	beam = ord(data[4]) & 3
+	
+	# triplets 
+	triplet = triplets [ord(data[4])>>2 & 3 ]
+	
+	# check tie
+	tie = ''
+	if ord(data[6]) >> 4 & 1:
+		tie = '~'
+	
+	staccato = (ord(data[6]) >> 1) & 1
+	accent = (ord(data[6]) >> 5) & 1
+	
+	tenuto = (ord(data[7]) >> 2) & 1
+	slur = slurs[ord(data[7]) & 3 ]
+	grace = (ord(data[7]) >> 5) & 1
+	
+	# check slur
+	slur = slurs[ord(data[7]) & 3 ]
+	
+	
+	#TODO should use a dictionary
+	return (pitch, accidental, duration, stem, beam, triplet, slur, tie, grace, staccato, accent, tenuto)
+
+def getRelativePitch(lastPitch, pitch):
+	octave = ''
+	diff = pitch - lastPitch
+	if diff>3:
+		for i in range((diff-4 + 7)/7):
+			octave += "'"
+		if octave == '':
+			octave += "'"
+	elif diff<-3:
+		for i in range((-diff-4 + 7)/7):
+			octave += ","
+		if octave == '':
+			octave += ","
+	return octave
+	
+def durVal(duration):
+	where = duration.find('.')
+	
+	if where>-1:
+		durVal = 128/int (duration[:where])
+		nextVal = durVal
+		for i in range(len(duration)-where):
+			nextVal = nextVal / 2
+			durVal += nextVal
+		
+	else:
+		durVal = 128/int (duration)
+	return durVal
+	
+def processStaff(nwcData):
+	keysigCount =0
+	timesigCount=0
+	noteCount=0
+	restCount=0
+	staffCount=0
+	barlineCount=0
+	clefCount=0
+	textCount =0
+	dynamicCount = 0
+	
+	lastPitch = scale.index('c')
+	lastDuration = 0
+	lastClef = scale.index(clefs[0])  # index referenced to note of last clef
+	lastStem = 0
+	lastTimesig = 1
+	
+	lastKey = { 'c': '', #c 
+	'd': '', 'e': '', 'f': '', 'g': '', 'a': '', 'b': '' }
+	currentKey = lastKey.copy()
+	
+	data = 0
+	token = 1
+	
+	result = ""
+	result += "\n\t\\new Staff {\n\t\t"
+	lastChord = 0
+	lastGrace = 0;
+	
+	(noOfTokens,format, lyrics) = findStaffInfo(nwcData);
+	if lyrics!='':
+		#result += '\\lyricmode { ' + lyrics + '}'
+		result += '%%Lyrics %%{ ' + lyrics + '%%}'
+	
+	if relativePitch: 
+		result+="\\relative c {"
+	else :
+		result+=" {"
+	result+="\n\t\t\n\n\t\t"
+	result+= '\n\t %% Staff %s \n\t' % staff 
+	
+	#print "00112233445566778899\n"
+	extra = ''
+	# the juice
+	
+	while data!="":
+		
+		token += 1
+		if token==noOfTokens:
+			result += "\n\t\t}\n\t}\n\t"
+			print "going next staff! %s" % nwcData.tell()
+			break
+		
+		
+		if nwcversion==1.7:
+			nwcData.seek(2,1)
+		
+		data = nwcData.read(1)
+		#print 'test', data
+		
+		# clef
+		if data=='\x00':
+			data = nwcData.read(6)
+			clefCount += 1
+			
+			key = ord(data[2]) & 3 	
+			octave = ord(data[4]) & 3
+			# print binascii.hexlify(data) , "CLEF? "
+			lastClef = scale.index(clefs[key]) + octaves[octave]
+			#TODO check for octave shifts _8
+			lastClef += clefShift[octave]  
+			result += '\clef "' + clefNames[key] + clefOctave[octave]+ '"\n\t\t'
+			
+		# key signature
+		elif data=='\x01':
+			data = nwcData.read(12)
+			keysigCount = keysigCount + 1
+			
+			#
+			flatBits = ord(data[2])
+			sharpBits = ord(data[4])
+			
+			for note in lastKey.keys():
+				noteInd = ['a','b','c','d','e','f','g'].index(note)
+				if (flatBits >> noteInd & 1):
+					lastKey[note] = 'es'
+				elif (sharpBits >> noteInd & 1):
+					lastKey[note] = 'is'
+				else:
+					lastKey[note] = ''
+			
+			currentKey = lastKey.copy()
+			result = result + getKey(data[1:5]) + "\n\t\t"
+			
+			#print "data", binascii.hexlify(data)
+			#print "flat", binascii.hexlify(flatBits)
+			#print "sharp", binascii.hexlify(data[4])
+			#print getKey(data[1:5])
+			
+		
+		# barline
+		elif data=='\x02':
+			data = nwcData.read(4)
+			barlineCount += 1
+			
+			currentKey = lastKey.copy()
+			
+			result += "|\n\t\t"
+			if (barlineCount % barLinesComments == 0):
+				result += "\n\t\t% Bar " + str(barlineCount + 1) + "\n\t\t" 
+				#print '.',
+				print "Bar ",barlineCount, " completed, "
+		
+		# timesig
+		elif data=='\x05':
+			data = nwcData.read(8)
+			timesigCount = timesigCount + 1	
+			beats = ord(data[2])
+			beatValues = [ 1, 2, 4, 8 ,6, 32 ]
+			beatValue = beatValues[ord(data[4])]
+			timesig = str(beats) + "/"  + str(beatValue)
+			lastTimesig = timesigValues[timesig]
+			result += "\\time " + timesig + " "
+		# Tempo
+		elif data=='\x06':
+			print "Tempo"
+			data = nwcData.read(7)
+			tempo = readLn(nwcData)
+			result += '\n\t\t%%tempo %s\n\t\t' % tempo
+			#tempoCount = tempoCount + 1	
+			
+		# note
+		elif data=='\x08':
+			data = nwcData.read(10)
+			noteCount = noteCount + 1
+			
+			if debug: print binascii.hexlify(data) , noteCount , nwcData.tell()
+			(pitch, accidental, duration, stem, beam, triplet, slur, tie, grace, staccato, accent, tenuto) = getNote(data)
+			
+			
+			articulate = ''
+			if staccato: articulate+= '-.'
+			if accent: articulate+= '->'
+			if tenuto: articulate+= '--'
+			
+			beam = beams[beam]
+			
+			chordMatters = ''
+			if lastChord>0 and beam==']' :
+				chordMatters = ' } >> '
+				lastChord = 0
+			elif lastChord>0:
+				
+				print 'CHORd', durVal(duration), lastChord
+				dur = durVal(duration)
+				#lastChord = 1.0/((1.0 / lastChord) - (1.0/durVal(duration)))
+				lastChord -= dur 
+				
+				if lastChord <= 0 :
+					chordMatters = ' } >> '
+					lastChord = 0
+					
+				
+			
+			if not insertBeaming: beam = ''
+			
+			# pitch
+			pitch += lastClef
+			note = scale[pitch]
+			
+			
+			# get Accidentals
+			#print 'accidental',accidental
+			if (accidental!='auto'):
+				currentKey[note[0]] = accidental
+			accidental = currentKey[note[0]]
+			
+			if (relativePitch):
+				octave = getRelativePitch(lastPitch, pitch)
+				lastPitch = pitch
+			else:
+				octave = note[1:]
+			pitch = note[0] + accidental + octave
+			
+			# get Relative Duration
+			if (relativeDuration):
+				if (lastDuration==duration):
+					duration = ''
+				else:
+					lastDuration = duration
+			
+			# check stems
+			if insertSteming and (stem!= lastStem) :
+				lastStem = stem
+				stem = stems[stem]
+			else :
+				stem = ''
+			
+			# normal note
+			if extra!='':
+				extra = '-"' + extra + '"'
+			
+			if grace and not lastGrace: result += "\\acciaccatura { "
+			
+			if not grace and lastGrace: result += " } "
+			result += triplet[0] + stem + pitch + duration + articulate + extra 
+			result += slur + tie + beam  + triplet[1]  +chordMatters  +  " "
+			
+			
+			# reset
+			lastGrace = grace
+			extra = ''
+		# rest
+		elif data=='\x09':
+			data = nwcData.read(10)
+			restCount = restCount + 1 
+			
+			# get Relative Duration
+			duration = getDuration(data)
+			if duration == '1':
+				duration = lastTimesig
+			if (relativeDuration):
+				if (lastDuration==duration):
+					duration = ''
+				else:
+					lastDuration = duration
+					
+			result = result + 'r' + duration + " "
+
+		# text
+		elif data=='\x11':
+			textCount = textCount + 1
+			data = nwcData.read(2) #pad
+			textpos = nwcData.read(1)
+			data = nwcData.read(2) #pad
+			text = ''
+			data = nwcData.read(1)
+			while data!='\x00':
+				text += data
+				data = nwcData.read(1)
+			
+			#if text.isdigit() : # check numbers
+			#	text = "-\\markup -\\number "+ text 
+			#	#text = "-\\markup {\\number "+ text +"}"
+			#else :
+			#	text = '-"' + text + '"'
+			
+			extra += ' ' + text
+			
+		# dynamics
+		elif data=='\x07':
+			dynamicCount = dynamicCount + 1
+			data = nwcData.read(9)
+		# chord
+		elif data=='\x0A' or data=='\x12':
+			
+			data = nwcData.read(12)
+			
+			chordAmt = ord(data[10])
+			chords = []
+			chordDur = getDuration(data)
+			#print 'duration',chordDur
+						
+			#print "WARNING Chord support is experimental", chordDur, chordAmt
+			#print binascii.hexlify(data), 'barlines ', barlineCount
+			#print 'no. of notes in chord' , chordAmt
+			
+			chord1 = []
+			chord2 = []
+			
+			for i in range(chordAmt):
+				# rest or note
+				what = nwcData.read(1)
+				
+				data = nwcData.read(10)
+				ha = getNote(data)
+				#print 'data ', ha
+				(pitch, accidental, duration, stem, beam, triplet, slur, tie, grace, staccato, accent, tenuto) = ha
+				# add to list
+				if ha[2] == chordDur:
+					chord1.append( (pitch,accidental ) )
+					if beam==0 or beam ==4 :
+						lastChord = 0
+			
+					
+				else : # 2 voices
+					chord2.append(  (pitch,accidental, duration) )
+					lastChord = durVal(duration)  
+					
+			
+			if len(chord2)==0: # block chord
+				result += ' <'
+				for i in range(len(chord1)):
+					(pitch,accidental ) = chord1[i]
+					pitch += lastClef
+					note = scale[pitch]
+					
+					if (accidental!='auto'):
+						currentKey[note[0]] = accidental
+					accidental = currentKey[note[0]]
+					
+					if (relativePitch):
+						octave = getRelativePitch(lastPitch, pitch)
+						lastPitch = pitch
+					else:
+						octave = note[1:]
+					result += note[0] + accidental + octave + ' '
+				result += '>' +chordDur +' '
+				lastPitch = chord1[0][0] + lastClef
+			else: # 2 voices
+				result += ' << ' 
+				for i in range(len(chord2)):
+					(pitch,accidental,duration ) = chord2[i]
+					pitch += lastClef
+					note = scale[pitch]
+					
+					if (accidental!='auto'):
+						currentKey[note[0]] = accidental
+					accidental = currentKey[note[0]]
+					
+					if (relativePitch):
+						octave = getRelativePitch(lastPitch, pitch)
+						lastPitch = pitch
+					else:
+						octave = note[1:]
+					result += note[0] + accidental + octave + duration + ' '
+				
+				result += " \\\\ {"
+				
+				for i in range(len(chord1)):
+					(pitch,accidental ) = chord1[i]
+					pitch += lastClef
+					note = scale[pitch]
+					
+					if (accidental!='auto'):
+						currentKey[note[0]] = accidental
+					accidental = currentKey[note[0]]
+					
+					if (relativePitch):
+						octave = getRelativePitch(lastPitch, pitch)
+						lastPitch = pitch
+					else:
+						octave = note[1:]
+					result += note[0] + accidental + octave +chordDur + ' '
+				if lastChord >0 : lastChord = durVal(duration) - durVal(chordDur)
+				if lastChord==0: result += ' } >> '
+				# end 2 voices
+			lastDuration = chordDur
+			
+			# check if duration / stem  / same 
+				# < >duration ties,beam, slurs
+		
+		# Pedal
+		elif data=='\x0b':
+			print 'Ped	'
+			data = data = nwcData.read(5)
+		# midi control instruction / MPC
+		elif data=='\x0d':
+			print 'midi control instruction'
+			data = data = nwcData.read(36)
+		# fermata / Breath mark
+		elif data=='\x0E':
+			print "Fermata"
+			data = nwcData.read(6)
+			extra += "\\fermata" 
+		
+		# Dynamics
+		elif data=='\x0f':
+			print "Dynamics"
+			data = nwcData.read(5)
+		
+		# Performance Style
+		elif data=='\x10':
+			print "Performance Style"
+			data = nwcData.read(5)
+		
+		# Instrument Patch
+		elif data=='\x04':
+			print "Instrument Patch"
+			data = nwcData.read(10)
+		
+		
+		# todo
+		else :
+			print "WARNING: Unrecognised token ",binascii.hexlify(data), " at #", nwcData.tell(), " at Token",  token
+			
+			
+			
+	# output converted file?
+	print "\nStats"
+	print keysigCount, " keysigCount found"
+	print noteCount, " notes found"
+	print staffCount, " staffCount found"
+	print clefCount, " clefCount found"
+	print barlineCount, " barlineCount found"
+	print timesigCount, " timesigCount found"
+	print textCount, " textCount found"
+	print dynamicCount, " dynamicCount found"
+	print restCount, " restCount found"
+	
+	#print "\nLilypond format:\n"
+	return result
+	
+# Variables
+keysigs = {
+'00000000' : 'c \major % or a \minor' ,
+'00000020' : 'g \major % or e \minor' ,
+'00000024': 'd \major % or b \minor' ,
+'00000064' : 'a \major % or fis \minor' ,
+'0000006c' : 'e \major % or cis \minor' ,
+'0000006d' : 'b \major % or gis \minor' ,
+'0000007d' : 'fis \major % or dis \minor' ,
+'0000007f' : 'cis \major % or ais \minor' ,
+'00020000' : 'f \major % or d \minor' ,
+'00120000' : 'bes \major % or g \minor' ,
+'00130000' : 'ees \major % or c \minor' ,
+'001b0000' : 'aes \major % or f \minor' ,
+'005b0000' : 'des \major % or bes \minor' ,
+'005f0000' : 'ges \major % or ees \minor' ,
+'007f0000' : 'ces \major % or a \minor'
+}
+
+acdts = ( 'is', 'es', '' ,'isis', 'eses', 'auto'  ) 
+
+clefs = { 0 : "b'",
+          1 : "d",
+          2 : "c'",
+          3 : "a'",
+        }
+
+clefNames = { 0: 'treble',
+          1: 'bass',
+          2: 'alto',
+          3: 'tenor',
+        }
+octaves = { 0: 0, 1:7, 2:-7 }
+scale = [   # this list is taken from lilycomp
+        "c,,,","d,,,","e,,,","f,,,","g,,,","a,,,","b,,,",
+        "c,,","d,,","e,,","f,,","g,,","a,,","b,,",
+        "c,","d,","e,","f,","g,","a,","b,",
+        "c","d","e","f","g","a","b",
+        "c'","d'","e'","f'","g'","a'","b'",
+        "c''","d''","e''","f''","g''","a''","b''",
+        "c'''","d'''","e'''","f'''","g'''","a'''","b'''",
+        "c''''","d''''","e''''","f''''","g''''","a''''","b''''",
+        ]
+
+stems = [ '\stemNeutral ', '\stemUp ', '\stemDown ']
+
+slurs = [ '', '(' , ')', '' ]
+
+triplets = [ 
+	('' , '' ),
+	( '\\times 2/3 { ', '') ,
+	('' , '' ),
+	('' , ' }' ),
+	]
+
+durations = ( '1','2','4','8','16','32','64' ) 
+
+barlines = (
+     '|', # 'Single'
+     '||', # 'Double'
+     '.|', # SectionOpen
+     '|.', # SectionClose
+     '|:', # MasterRepeatOpen
+     ':|', # MasterRepeatClose
+     '|:', # LocalRepeatOpen
+     ':|', # LocalRepeatClose
+)
+
+ending = (
+'|.', # SectionClose
+':|', # MasterRepeatClose
+'|', # 'Single'
+'||', # 'Double'
+'' # Open hidden
+)
+
+staffType = (
+'Standard' , # Standard
+'Upper Grand Staff' , # Upper Grand Staff
+'Lower Grand Staff' , # Lower Grand Staff
+'Orchestra' , # Orchestra
+)
+
+
+beams = [ '', '[', '',']' ]
+
+
+# end ' \bar "|."'
+
+# Notation Properties
+# extra accidental spacing
+# extra note spacing
+# muted
+# no ledger lines
+# slurdirection
+# tiedirection
+# lyricsyllable
+# visability 
+# show printed
+# item color
+
+#dynamics
+# cmd = DynamicVariance
+# Decrescendo \setTextCresc \<
+# setTextCresc Crescendo \>  setHairpinCresc
+# Dynamics stop '\! '
+# style = ff pp
+
+clefOctave = [ '' , '^8', '_8' , '' ]
+clefShift = [0,7,-7, 0]
+
+
+# '#(set-accidental-style '#39'modern-cautionary)'
+#(ly:set-point-and-click 'line-column)
+#(set-global-staff-size 20)
+
+timesigValues = { 
+	'4/4' : '1', '3/4' : '2.', '2/4' : '2', '1/4' : '1',
+	'1/8' : '8', '2/8' : '4', '3/8' : '4.', '6/8' : '2.',
+	'4/8' : '2', '9/8' : '12', '12/8' : '1',
+	'2/2' : '1', '4/2' : '0', '1/2' : '2', 
+        }
+
+print "python nwc2ly is running..."
+try:
+
+	nwcData = open( nwcfile,'rb')
+	
+	# check if its a readable nwc format
+	# compressed - [NWZ]
+	# uncompressed - [NoteWorthy ArtWare] [NoteWorthy Composer]
+	format = nwcData.read(5)
+	if format== '[NWZ]':
+		nwcData.seek(1,1)
+		print 'Compressed NWC detected!'
+		print 'Dumping to uncompressed NWC format and attemping conversion soon...'
+		uncompress = open ('uncompressed.nwc','wb')
+		uncompress.write(zlib.decompress(nwcData.read()))
+		uncompress.close()
+		print 'Inflating done. Now opening new file...'
+		nwcData.close()
+		nwcData = open( 'uncompressed.nwc','rb')
+		nwcData.seek(6)
+	elif format!= '[Note':
+		print 'Unknown format, please use an uncompress NWC format and try again.'  
+		sys.exit()
+	
+	
+	
+	resultFile = '%% Generated from python nwc2ly converter v%s by Joshua Koo (joshuakoo@myrealbox.com)' % nwc2lyversion
+	resultFile += '\n\n\\version "2.4.0"'
+	resultFile += "\n"
+	
+	
+	# START WORK
+	getFileFormat(nwcData)
+	resultFile+=getFileInfo(nwcData)
+	resultFile+= "\n\n\\score {"
+	resultFile+= "\n\t<<\n\t\t"
+	
+	getPageSetup(nwcData)
+	
+	noOfStaffs = findNoOfStaff(nwcData);
+	
+	for staff in range(1,noOfStaffs+1):
+		print "\n\nWorking on Staff", staff
+		result = processStaff(nwcData)
+		#print result
+		resultFile += result
+	
+	resultFile+= "\n\t>>"
+	resultFile+= "\n\t\layout {}"
+	resultFile+= "\n\t\midi {}"
+	resultFile+= "\n}"
+	nwcData.close()
+	
+	if lyfile=='':
+		print 'Dumping output file to screen'
+		print resultFile
+	else :
+		write = open( lyfile ,'w')
+		write.write (resultFile)
+		write.close()
+
+except IOError:
+	print 'File does not exist or an IO error occurred'
+except Exception, e: #KeyError
+	print "Error while reading data at ", nwcData.tell() ,"\n"
+	print 'Dumping whatever result first'
+	print resultFile
+	print result
+	print
+	traceback.print_exc()
+
+print
+print
+print "Please send all bugs and requests to joshuakoo@myrealbox.com"
-- 
2.26.2