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| #!/usr/bin/env python | |
| # coding=latin-1 | |
| ''' | |
| Copyright (C) 2012-2018: W.G. Vree | |
| Contributions: M. Tarenskeen, N. Liberg, Paul Villiger, Janus Meuris, Larry Myerscough, | |
| Dick Jackson, Jan Wybren de Jong, Mark Zealey. | |
| This program is free software; you can redistribute it and/or modify it under the terms of the | |
| Lesser GNU General Public License as published by the Free Software Foundation; | |
| 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 Lesser GNU General Public License for more details. <http://www.gnu.org/licenses/lgpl.html>. | |
| ''' | |
| try: import xml.etree.cElementTree as E | |
| except: import xml.etree.ElementTree as E | |
| import os, sys, types, re, math | |
| VERSION = 143 | |
| python3 = sys.version_info.major > 2 | |
| if python3: | |
| tupletype = tuple | |
| listtype = list | |
| max_int = sys.maxsize | |
| else: | |
| tupletype = types.TupleType | |
| listtype = types.ListType | |
| max_int = sys.maxint | |
| note_ornamentation_map = { # for notations/, modified from EasyABC | |
| 'ornaments/trill-mark': 'T', | |
| 'ornaments/mordent': 'M', | |
| 'ornaments/inverted-mordent': 'P', | |
| 'ornaments/turn': '!turn!', | |
| 'ornaments/inverted-turn': '!invertedturn!', | |
| 'technical/up-bow': 'u', | |
| 'technical/down-bow': 'v', | |
| 'technical/harmonic': '!open!', | |
| 'technical/open-string': '!open!', | |
| 'technical/stopped': '!plus!', | |
| 'technical/snap-pizzicato': '!snap!', | |
| 'technical/thumb-position': '!thumb!', | |
| 'articulations/accent': '!>!', | |
| 'articulations/strong-accent':'!^!', | |
| 'articulations/staccato': '.', | |
| 'articulations/staccatissimo':'!wedge!', | |
| 'articulations/scoop': '!slide!', | |
| 'fermata': '!fermata!', | |
| 'arpeggiate': '!arpeggio!', | |
| 'articulations/tenuto': '!tenuto!', | |
| 'articulations/staccatissimo':'!wedge!', # not sure whether this is the right translation | |
| 'articulations/spiccato': '!wedge!', # not sure whether this is the right translation | |
| 'articulations/breath-mark': '!breath!', # this may need to be tested to make sure it appears on the right side of the note | |
| 'articulations/detached-legato': '!tenuto!.', | |
| } | |
| dynamics_map = { # for direction/direction-type/dynamics/ | |
| 'p': '!p!', | |
| 'pp': '!pp!', | |
| 'ppp': '!ppp!', | |
| 'pppp': '!pppp!', | |
| 'f': '!f!', | |
| 'ff': '!ff!', | |
| 'fff': '!fff!', | |
| 'ffff': '!ffff!', | |
| 'mp': '!mp!', | |
| 'mf': '!mf!', | |
| 'sfz': '!sfz!', | |
| } | |
| percSvg = '''%%beginsvg | |
| <defs> | |
| <text id="x" x="-3" y="0"></text> | |
| <text id="x-" x="-3" y="0"></text> | |
| <text id="x+" x="-3" y="0"></text> | |
| <text id="normal" x="-3.7" y="0"></text> | |
| <text id="normal-" x="-3.7" y="0"></text> | |
| <text id="normal+" x="-3.7" y="0"></text> | |
| <g id="circle-x"><text x="-3" y="0"></text><circle r="4" class="stroke"></circle></g> | |
| <g id="circle-x-"><text x="-3" y="0"></text><circle r="4" class="stroke"></circle></g> | |
| <path id="triangle" d="m-4 -3.2l4 6.4 4 -6.4z" class="stroke" style="stroke-width:1.4"></path> | |
| <path id="triangle-" d="m-4 -3.2l4 6.4 4 -6.4z" class="stroke" style="stroke-width:1.4"></path> | |
| <path id="triangle+" d="m-4 -3.2l4 6.4 4 -6.4z" class="stroke" style="fill:#000"></path> | |
| <path id="square" d="m-3.5 3l0 -6.2 7.2 0 0 6.2z" class="stroke" style="stroke-width:1.4"></path> | |
| <path id="square-" d="m-3.5 3l0 -6.2 7.2 0 0 6.2z" class="stroke" style="stroke-width:1.4"></path> | |
| <path id="square+" d="m-3.5 3l0 -6.2 7.2 0 0 6.2z" class="stroke" style="fill:#000"></path> | |
| <path id="diamond" d="m0 -3l4.2 3.2 -4.2 3.2 -4.2 -3.2z" class="stroke" style="stroke-width:1.4"></path> | |
| <path id="diamond-" d="m0 -3l4.2 3.2 -4.2 3.2 -4.2 -3.2z" class="stroke" style="stroke-width:1.4"></path> | |
| <path id="diamond+" d="m0 -3l4.2 3.2 -4.2 3.2 -4.2 -3.2z" class="stroke" style="fill:#000"></path> | |
| </defs> | |
| %%endsvg''' | |
| tabSvg = '''%%beginsvg | |
| <style type="text/css"> | |
| .bf {font-family:sans-serif; font-size:7px} | |
| </style> | |
| <defs> | |
| <rect id="clr" x="-3" y="-1" width="6" height="5" fill="white"></rect> | |
| <rect id="clr2" x="-3" y="-1" width="11" height="5" fill="white"></rect>''' | |
| kopSvg = '<g id="kop%s" class="bf"><use xlink:href="#clr"></use><text x="-2" y="3">%s</text></g>\n' | |
| kopSvg2 = '<g id="kop%s" class="bf"><use xlink:href="#clr2"></use><text x="-2" y="3">%s</text></g>\n' | |
| def info (s, warn=1): sys.stderr.write ((warn and '-- ' or '') + s + '\n') | |
| #------------------- | |
| # data abstractions | |
| #------------------- | |
| class Measure: | |
| def __init__ (s, p): | |
| s.reset () | |
| s.ixp = p # part number | |
| s.ixm = 0 # measure number | |
| s.mdur = 0 # measure duration (nominal metre value in divisions) | |
| s.divs = 0 # number of divisions per 1/4 | |
| s.mtr = 4,4 # meter | |
| def reset (s): # reset each measure | |
| s.attr = '' # measure signatures, tempo | |
| s.lline = '' # left barline, but only holds ':' at start of repeat, otherwise empty | |
| s.rline = '|' # right barline | |
| s.lnum = '' # (left) volta number | |
| class Note: | |
| def __init__ (s, dur=0, n=None): | |
| s.tijd = 0 # the time in XML division units | |
| s.dur = dur # duration of a note in XML divisions | |
| s.fact = None # time modification for tuplet notes (num, div) | |
| s.tup = [''] # start(s) and/or stop(s) of tuplet | |
| s.tupabc = '' # abc tuplet string to issue before note | |
| s.beam = 0 # 1 = beamed | |
| s.grace = 0 # 1 = grace note | |
| s.before = [] # abc string that goes before the note/chord | |
| s.after = '' # the same after the note/chord | |
| s.ns = n and [n] or [] # notes in the chord | |
| s.lyrs = {} # {number -> syllabe} | |
| s.tab = None # (string number, fret number) | |
| s.ntdec = '' # !string!, !courtesy! | |
| class Elem: | |
| def __init__ (s, string): | |
| s.tijd = 0 # the time in XML division units | |
| s.str = string # any abc string that is not a note | |
| class Counter: | |
| def inc (s, key, voice): s.counters [key][voice] = s.counters [key].get (voice, 0) + 1 | |
| def clear (s, vnums): # reset all counters | |
| tups = list( zip (vnums.keys (), len (vnums) * [0])) | |
| s.counters = {'note': dict (tups), 'nopr': dict (tups), 'nopt': dict (tups)} | |
| def getv (s, key, voice): return s.counters[key][voice] | |
| def prcnt (s, ip): # print summary of all non zero counters | |
| for iv in s.counters ['note']: | |
| if s.getv ('nopr', iv) != 0: | |
| info ( 'part %d, voice %d has %d skipped non printable notes' % (ip, iv, s.getv ('nopr', iv))) | |
| if s.getv ('nopt', iv) != 0: | |
| info ( 'part %d, voice %d has %d notes without pitch' % (ip, iv, s.getv ('nopt', iv))) | |
| if s.getv ('note', iv) == 0: # no real notes counted in this voice | |
| info ( 'part %d, skipped empty voice %d' % (ip, iv)) | |
| class Music: | |
| def __init__(s, options): | |
| s.tijd = 0 # the current time | |
| s.maxtime = 0 # maximum time in a measure | |
| s.gMaten = [] # [voices,.. for all measures in a part] | |
| s.gLyrics = [] # [{num: (abc_lyric_string, melis)},.. for all measures in a part] | |
| s.vnums = {} # all used voice id's in a part (xml voice id's == numbers) | |
| s.cnt = Counter () # global counter object | |
| s.vceCnt = 1 # the global voice count over all parts | |
| s.lastnote = None # the last real note record inserted in s.voices | |
| s.bpl = options.b # the max number of bars per line when writing abc | |
| s.cpl = options.n # the number of chars per line when writing abc | |
| s.repbra = 0 # true if volta is used somewhere | |
| s.nvlt = options.v # no volta on higher voice numbers | |
| s.jscript = options.j # compatibility with javascript version | |
| def initVoices (s, newPart=0): | |
| s.vtimes, s.voices, s.lyrics = {}, {}, {} | |
| for v in s.vnums: | |
| s.vtimes [v] = 0 # {voice: the end time of the last item in each voice} | |
| s.voices [v] = [] # {voice: [Note|Elem, ..]} | |
| s.lyrics [v] = [] # {voice: [{num: syl}, ..]} | |
| if newPart: s.cnt.clear (s.vnums) # clear counters once per part | |
| def incTime (s, dt): | |
| s.tijd += dt | |
| if s.tijd < 0: s.tijd = 0 # erroneous <backup> element | |
| if s.tijd > s.maxtime: s.maxtime = s.tijd | |
| def appendElemCv (s, voices, elem): | |
| for v in voices: | |
| s.appendElem (v, elem) # insert element in all voices | |
| def insertElem (s, v, elem): # insert at the start of voice v in the current measure | |
| obj = Elem (elem) | |
| obj.tijd = 0 # because voice is sorted later | |
| s.voices [v].insert (0, obj) | |
| def appendObj (s, v, obj, dur): | |
| obj.tijd = s.tijd | |
| s.voices [v].append (obj) | |
| s.incTime (dur) | |
| if s.tijd > s.vtimes[v]: s.vtimes[v] = s.tijd # don't update for inserted earlier items | |
| def appendElem (s, v, elem, tel=0): | |
| s.appendObj (v, Elem (elem), 0) | |
| if tel: s.cnt.inc ('note', v) # count number of certain elements in each voice (in addition to notes) | |
| def appendElemT (s, v, elem, tijd): # insert element at specified time | |
| obj = Elem (elem) | |
| obj.tijd = tijd | |
| s.voices [v].append (obj) | |
| def appendNote (s, v, note, noot): | |
| note.ns.append (note.ntdec + noot) | |
| s.appendObj (v, note, int (note.dur)) | |
| s.lastnote = note # remember last note/rest for later modifications (chord, grace) | |
| if noot != 'z' and noot != 'x': # real notes and grace notes | |
| s.cnt.inc ('note', v) # count number of real notes in each voice | |
| if not note.grace: # for every real note | |
| s.lyrics[v].append (note.lyrs) # even when it has no lyrics | |
| def getLastRec (s, voice): | |
| if s.gMaten: return s.gMaten[-1][voice][-1] # the last record in the last measure | |
| return None # no previous records in the first measure | |
| def getLastMelis (s, voice, num): # get melisma of last measure | |
| if s.gLyrics: | |
| lyrdict = s.gLyrics[-1][voice] # the previous lyrics dict in this voice | |
| if num in lyrdict: return lyrdict[num][1] # lyrdict = num -> (lyric string, melisma) | |
| return 0 # no previous lyrics in voice or line number | |
| def addChord (s, note, noot): # careful: we assume that chord notes follow immediately | |
| for d in note.before: # put all decorations before chord | |
| if d not in s.lastnote.before: | |
| s.lastnote.before += [d] | |
| s.lastnote.ns.append (note.ntdec + noot) | |
| def addBar (s, lbrk, m): # linebreak, measure data | |
| if m.mdur and s.maxtime > m.mdur: info ('measure %d in part %d longer than metre' % (m.ixm+1, m.ixp+1)) | |
| s.tijd = s.maxtime # the time of the bar lines inserted here | |
| for v in s.vnums: | |
| if m.lline or m.lnum: # if left barline or left volta number | |
| p = s.getLastRec (v) # get the previous barline record | |
| if p: # in measure 1 no previous measure is available | |
| x = p.str # p.str is the ABC barline string | |
| if m.lline: # append begin of repeat, m.lline == ':' | |
| x = (x + m.lline).replace (':|:','::').replace ('||','|') | |
| if s.nvlt == 3: # add volta number only to lowest voice in part 0 | |
| if m.ixp + v == min (s.vnums): x += m.lnum | |
| elif m.lnum: # new behaviour with I:repbra 0 | |
| x += m.lnum # add volta number(s) or text to all voices | |
| s.repbra = 1 # signal occurrence of a volta | |
| p.str = x # modify previous right barline | |
| elif m.lline: # begin of new part and left repeat bar is required | |
| s.insertElem (v, '|:') | |
| if lbrk: | |
| p = s.getLastRec (v) # get the previous barline record | |
| if p: p.str += lbrk # insert linebreak char after the barlines+volta | |
| if m.attr: # insert signatures at front of buffer | |
| s.insertElem (v, '%s' % m.attr) | |
| s.appendElem (v, ' %s' % m.rline) # insert current barline record at time maxtime | |
| s.voices[v] = sortMeasure (s.voices[v], m) # make all times consistent | |
| lyrs = s.lyrics[v] # [{number: sylabe}, .. for all notes] | |
| lyrdict = {} # {number: (abc_lyric_string, melis)} for this voice | |
| nums = [num for d in lyrs for num in d.keys ()] # the lyrics numbers in this measure | |
| maxNums = max (nums + [0]) # the highest lyrics number in this measure | |
| for i in range (maxNums, 0, -1): | |
| xs = [syldict.get (i, '') for syldict in lyrs] # collect the syllabi with number i | |
| melis = s.getLastMelis (v, i) # get melisma from last measure | |
| lyrdict [i] = abcLyr (xs, melis) | |
| s.lyrics[v] = lyrdict # {number: (abc_lyric_string, melis)} for this measure | |
| mkBroken (s.voices[v]) | |
| s.gMaten.append (s.voices) | |
| s.gLyrics.append (s.lyrics) | |
| s.tijd = s.maxtime = 0 | |
| s.initVoices () | |
| def outVoices (s, divs, ip, isSib): # output all voices of part ip | |
| vvmap = {} # xml voice number -> abc voice number (one part) | |
| vnum_keys = list (s.vnums.keys ()) | |
| if s.jscript or isSib: vnum_keys.sort () | |
| lvc = min (vnum_keys or [1]) # lowest xml voice number of this part | |
| for iv in vnum_keys: | |
| if s.cnt.getv ('note', iv) == 0: # no real notes counted in this voice | |
| continue # skip empty voices | |
| if abcOut.denL: unitL = abcOut.denL # take the unit length from the -d option | |
| else: unitL = compUnitLength (iv, s.gMaten, divs) # compute the best unit length for this voice | |
| abcOut.cmpL.append (unitL) # remember for header output | |
| vn, vl = [], {} # for voice iv: collect all notes to vn and all lyric lines to vl | |
| for im in range (len (s.gMaten)): | |
| measure = s.gMaten [im][iv] | |
| vn.append (outVoice (measure, divs [im], im, ip, unitL)) | |
| checkMelismas (s.gLyrics, s.gMaten, im, iv) | |
| for n, (lyrstr, melis) in s.gLyrics [im][iv].items (): | |
| if n in vl: | |
| while len (vl[n]) < im: vl[n].append ('') # fill in skipped measures | |
| vl[n].append (lyrstr) | |
| else: | |
| vl[n] = im * [''] + [lyrstr] # must skip im measures | |
| for n, lyrs in vl.items (): # fill up possibly empty lyric measures at the end | |
| mis = len (vn) - len (lyrs) | |
| lyrs += mis * [''] | |
| abcOut.add ('V:%d' % s.vceCnt) | |
| if s.repbra: | |
| if s.nvlt == 1 and s.vceCnt > 1: abcOut.add ('I:repbra 0') # only volta on first voice | |
| if s.nvlt == 2 and iv > lvc: abcOut.add ('I:repbra 0') # only volta on first voice of each part | |
| if s.cpl > 0: s.bpl = 0 # option -n (max chars per line) overrules -b (max bars per line) | |
| elif s.bpl == 0: s.cpl = 100 # the default: 100 chars per line | |
| bn = 0 # count bars | |
| while vn: # while still measures available | |
| ib = 1 | |
| chunk = vn [0] | |
| while ib < len (vn): | |
| if s.cpl > 0 and len (chunk) + len (vn [ib]) >= s.cpl: break # line full (number of chars) | |
| if s.bpl > 0 and ib >= s.bpl: break # line full (number of bars) | |
| chunk += vn [ib] | |
| ib += 1 | |
| bn += ib | |
| abcOut.add (chunk + ' %%%d' % bn) # line with barnumer | |
| del vn[:ib] # chop ib bars | |
| lyrlines = sorted (vl.items ()) # order the numbered lyric lines for output | |
| for n, lyrs in lyrlines: | |
| abcOut.add ('w: ' + '|'.join (lyrs[:ib]) + '|') | |
| del lyrs[:ib] | |
| vvmap [iv] = s.vceCnt # xml voice number -> abc voice number | |
| s.vceCnt += 1 # count voices over all parts | |
| s.gMaten = [] # reset the follwing instance vars for each part | |
| s.gLyrics = [] | |
| s.cnt.prcnt (ip+1) # print summary of skipped items in this part | |
| return vvmap | |
| class ABCoutput: | |
| pagekeys = 'scale,pageheight,pagewidth,leftmargin,rightmargin,topmargin,botmargin'.split (',') | |
| def __init__ (s, fnmext, pad, X, options): | |
| s.fnmext = fnmext | |
| s.outlist = [] # list of ABC strings | |
| s.title = 'T:Title' | |
| s.key = 'none' | |
| s.clefs = {} # clefs for all abc-voices | |
| s.mtr = 'none' | |
| s.tempo = 0 # 0 -> no tempo field | |
| s.tempo_units = (1,4) # note type of tempo direction | |
| s.pad = pad # the output path or none | |
| s.X = X + 1 # the abc tune number | |
| s.denL = options.d # denominator of the unit length (L:) from -d option | |
| s.volpan = int (options.m) # 0 -> no %%MIDI, 1 -> only program, 2 -> all %%MIDI | |
| s.cmpL = [] # computed optimal unit length for all voices | |
| s.jscript = options.j # compatibility with javascript version | |
| s.tstep = options.t # translate percmap to voicemap | |
| s.stemless = 0 # use U:s=!stemless! | |
| s.shiftStem = options.s # shift note heads 3 units left | |
| if pad: | |
| _, base_name = os.path.split (fnmext) | |
| s.outfile = open (os.path.join (pad, base_name), 'w') | |
| else: s.outfile = sys.stdout | |
| if s.jscript: s.X = 1 # always X:1 in javascript version | |
| s.pageFmt = {} | |
| for k in s.pagekeys: s.pageFmt [k] = None | |
| if len (options.p) == 7: | |
| for k, v in zip (s.pagekeys, options.p): | |
| try: s.pageFmt [k] = float (v) | |
| except: info ('illegal float %s for %s', (k, v)); continue | |
| def add (s, str): | |
| s.outlist.append (str + '\n') # collect all ABC output | |
| def mkHeader (s, stfmap, partlist, midimap, vmpdct, koppen): # stfmap = [parts], part = [staves], stave = [voices] | |
| accVce, accStf, staffs = [], [], stfmap[:] # staffs is consumed | |
| for x in partlist: # collect partnames into accVce and staff groups into accStf | |
| try: prgroupelem (x, ('', ''), '', stfmap, accVce, accStf) | |
| except: info ('lousy musicxml: error in part-list') | |
| staves = ' '.join (accStf) | |
| clfnms = {} | |
| for part, (partname, partabbrv) in zip (staffs, accVce): | |
| if not part: continue # skip empty part | |
| firstVoice = part[0][0] # the first voice number in this part | |
| nm = partname.replace ('\n','\\n').replace ('.:','.').strip (':') | |
| snm = partabbrv.replace ('\n','\\n').replace ('.:','.').strip (':') | |
| clfnms [firstVoice] = (nm and 'nm="%s"' % nm or '') + (snm and ' snm="%s"' % snm or '') | |
| hd = ['X:%d\n%s\n' % (s.X, s.title)] | |
| for i, k in enumerate (s.pagekeys): | |
| if s.jscript and k in ['pageheight','topmargin', 'botmargin']: continue | |
| if s.pageFmt [k] != None: hd.append ('%%%%%s %.2f%s\n' % (k, s.pageFmt [k], i > 0 and 'cm' or '')) | |
| if staves and len (accStf) > 1: hd.append ('%%score ' + staves + '\n') | |
| tempo = s.tempo and 'Q:%d/%d=%s\n' % (s.tempo_units [0], s.tempo_units [1], s.tempo) or '' # default no tempo field | |
| d = {} # determine the most frequently occurring unit length over all voices | |
| for x in s.cmpL: d[x] = d.get (x, 0) + 1 | |
| if s.jscript: defLs = sorted (d.items (), key=lambda x: (-x[1], x[0])) # when tie (1) sort on key (0) | |
| else: defLs = sorted (d.items (), key=lambda x: -x[1]) | |
| defL = s.denL and s.denL or defLs [0][0] # override default unit length with -d option | |
| hd.append ('L:1/%d\n%sM:%s\n' % (defL, tempo, s.mtr)) | |
| hd.append ('K:%s\n' % s.key) | |
| if s.stemless: hd.append ('U:s=!stemless!\n') | |
| vxs = sorted (vmpdct.keys ()) | |
| for vx in vxs: hd.extend (vmpdct [vx]) | |
| s.dojef = 0 # translate percmap to voicemap | |
| for vnum, clef in s.clefs.items (): | |
| ch, prg, vol, pan = midimap [vnum-1][:4] | |
| dmap = midimap [vnum - 1][4:] # map of abc percussion notes to midi notes | |
| if dmap and 'perc' not in clef: clef = (clef + ' map=perc').strip (); | |
| hd.append ('V:%d %s %s\n' % (vnum, clef, clfnms.get (vnum, ''))) | |
| if vnum in vmpdct: | |
| hd.append ('%%%%voicemap tab%d\n' % vnum) | |
| hd.append ('K:none\nM:none\n%%clef none\n%%staffscale 1.6\n%%flatbeams true\n%%stemdir down\n') | |
| if 'perc' in clef: hd.append ('K:none\n'); # no key for a perc voice | |
| if s.volpan > 1: # option -m 2 -> output all recognized midi commands when needed and present in xml | |
| if ch > 0 and ch != vnum: hd.append ('%%%%MIDI channel %d\n' % ch) | |
| if prg > 0: hd.append ('%%%%MIDI program %d\n' % (prg - 1)) | |
| if vol >= 0: hd.append ('%%%%MIDI control 7 %.0f\n' % vol) # volume == 0 is possible ... | |
| if pan >= 0: hd.append ('%%%%MIDI control 10 %.0f\n' % pan) | |
| elif s.volpan > 0: # default -> only output midi program command when present in xml | |
| if dmap and ch > 0: hd.append ('%%%%MIDI channel %d\n' % ch) # also channel if percussion part | |
| if prg > 0: hd.append ('%%%%MIDI program %d\n' % (prg - 1)) | |
| for abcNote, step, midiNote, notehead in dmap: | |
| if not notehead: notehead = 'normal' | |
| if abcMid (abcNote) != midiNote or abcNote != step: | |
| if s.volpan > 0: hd.append ('%%%%MIDI drummap %s %s\n' % (abcNote, midiNote)) | |
| hd.append ('I:percmap %s %s %s %s\n' % (abcNote, step, midiNote, notehead)) | |
| s.dojef = s.tstep | |
| if defL != s.cmpL [vnum-1]: # only if computed unit length different from header | |
| hd.append ('L:1/%d\n' % s.cmpL [vnum-1]) | |
| s.outlist = hd + s.outlist | |
| if koppen: # output SVG stuff needed for tablature | |
| k1 = kopSvg.replace ('-2','-5') if s.shiftStem else kopSvg # shift note heads 3 units left | |
| k2 = kopSvg2.replace ('-2','-5') if s.shiftStem else kopSvg2 | |
| tb = tabSvg.replace ('-3','-6') if s.shiftStem else tabSvg | |
| ks = sorted (koppen.keys ()) # javascript compatibility | |
| ks = [k2 % (k, k) if len (k) == 2 else k1 % (k, k) for k in ks] | |
| tbs = map (lambda x: x.strip () + '\n', tb.splitlines ()) # javascript compatibility | |
| s.outlist = tbs + ks + ['</defs>\n%%endsvg\n'] + s.outlist | |
| def writeall (s): # determine the required encoding of the entire ABC output | |
| str = ''.join (s.outlist) | |
| if s.dojef: str = perc2map (str) | |
| if python3: s.outfile.write (str) | |
| else: s.outfile.write (str.encode ('utf-8')) | |
| if s.pad: s.outfile.close () # close each file with -o option | |
| else: s.outfile.write ('\n') # add empty line between tunes on stdout | |
| info ('%s written with %d voices' % (s.fnmext, len (s.clefs)), warn=0) | |
| #---------------- | |
| # functions | |
| #---------------- | |
| def abcLyr (xs, melis): # Convert list xs to abc lyrics. | |
| if not ''.join (xs): return '', 0 # there is no lyrics in this measure | |
| res = [] | |
| for x in xs: # xs has for every note a lyrics syllabe or an empty string | |
| if x == '': # note without lyrics | |
| if melis: x = '_' # set melisma | |
| else: x = '*' # skip note | |
| elif x.endswith ('_') and not x.endswith ('\_'): # start of new melisma | |
| x = x.replace ('_', '') # remove and set melis boolean | |
| melis = 1 # so next skips will become melisma | |
| else: melis = 0 # melisma stops on first syllable | |
| res.append (x) | |
| return (' '.join (res), melis) | |
| def simplify (a, b): # divide a and b by their greatest common divisor | |
| x, y = a, b | |
| while b: a, b = b, a % b | |
| return x // a, y // a | |
| def abcdur (nx, divs, uL): # convert an musicXML duration d to abc units with L:1/uL | |
| if nx.dur == 0: return '' # when called for elements without duration | |
| num, den = simplify (uL * nx.dur, divs * 4) # L=1/8 -> uL = 8 units | |
| if nx.fact: # apply tuplet time modification | |
| numfac, denfac = nx.fact | |
| num, den = simplify (num * numfac, den * denfac) | |
| if den > 64: # limit the denominator to a maximum of 64 | |
| x = float (num) / den; n = math.floor (x); # when just above an integer n | |
| if x - n < 0.1 * x: num, den = n, 1; # round to n | |
| num64 = 64. * num / den + 1.0e-15 # to get Python2 behaviour of round | |
| num, den = simplify (int (round (num64)), 64) | |
| if num == 1: | |
| if den == 1: dabc = '' | |
| elif den == 2: dabc = '/' | |
| else: dabc = '/%d' % den | |
| elif den == 1: dabc = '%d' % num | |
| else: dabc = '%d/%d' % (num, den) | |
| return dabc | |
| def abcMid (note): # abc note -> midi pitch | |
| r = re.search (r"([_^]*)([A-Ga-g])([',]*)", note) | |
| if not r: return -1 | |
| acc, n, oct = r.groups () | |
| nUp = n.upper () | |
| p = 60 + [0,2,4,5,7,9,11]['CDEFGAB'.index (nUp)] + (12 if nUp != n else 0); | |
| if acc: p += (1 if acc[0] == '^' else -1) * len (acc) | |
| if oct: p += (12 if oct[0] == "'" else -12) * len (oct) | |
| return p | |
| def staffStep (ptc, o, clef, tstep): | |
| ndif = 0 | |
| if 'stafflines=1' in clef: ndif += 4 # meaning of one line: E (xml) -> B (abc) | |
| if not tstep and clef.startswith ('bass'): ndif += 12 # transpose bass -> treble (C3 -> A4) | |
| if ndif: # diatonic transposition == addition modulo 7 | |
| nm7 = 'C,D,E,F,G,A,B'.split (',') | |
| n = nm7.index (ptc) + ndif | |
| ptc, o = nm7 [n % 7], o + n // 7 | |
| if o > 4: ptc = ptc.lower () | |
| if o > 5: ptc = ptc + (o-5) * "'" | |
| if o < 4: ptc = ptc + (4-o) * "," | |
| return ptc | |
| def setKey (fifths, mode): | |
| sharpness = ['Fb', 'Cb','Gb','Db','Ab','Eb','Bb','F','C','G','D','A', 'E', 'B', 'F#','C#','G#','D#','A#','E#','B#'] | |
| offTab = {'maj':8, 'ion':8, 'm':11, 'min':11, 'aeo':11, 'mix':9, 'dor':10, 'phr':12, 'lyd':7, 'loc':13, 'non':8} | |
| mode = mode.lower ()[:3] # only first three chars, no case | |
| key = sharpness [offTab [mode] + fifths] + (mode if offTab [mode] != 8 else '') | |
| accs = ['F','C','G','D','A','E','B'] | |
| if fifths >= 0: msralts = dict (zip (accs[:fifths], fifths * [1])) | |
| else: msralts = dict (zip (accs[fifths:], -fifths * [-1])) | |
| return key, msralts | |
| def insTup (ix, notes, fact): # read one nested tuplet | |
| tupcnt = 0 | |
| nx = notes [ix] | |
| if 'start' in nx.tup: | |
| nx.tup.remove ('start') # do recursive calls when starts remain | |
| tix = ix # index of first tuplet note | |
| fn, fd = fact # xml time-mod of the higher level | |
| fnum, fden = nx.fact # xml time-mod of the current level | |
| tupfact = fnum//fn, fden//fd # abc time mod of this level | |
| while ix < len (notes): | |
| nx = notes [ix] | |
| if isinstance (nx, Elem) or nx.grace: | |
| ix += 1 # skip all non tuplet elements | |
| continue | |
| if 'start' in nx.tup: # more nested tuplets to start | |
| ix, tupcntR = insTup (ix, notes, tupfact) # ix is on the stop note! | |
| tupcnt += tupcntR | |
| elif nx.fact: | |
| tupcnt += 1 # count tuplet elements | |
| if 'stop' in nx.tup: | |
| nx.tup.remove ('stop') | |
| break | |
| if not nx.fact: # stop on first non tuplet note | |
| ix = lastix # back to last tuplet note | |
| break | |
| lastix = ix | |
| ix += 1 | |
| # put abc tuplet notation before the recursive ones | |
| tup = (tupfact[0], tupfact[1], tupcnt) | |
| if tup == (3, 2, 3): tupPrefix = '(3' | |
| else: tupPrefix = '(%d:%d:%d' % tup | |
| notes [tix].tupabc = tupPrefix + notes [tix].tupabc | |
| return ix, tupcnt # ix is on the last tuplet note | |
| def mkBroken (vs): # introduce broken rhythms (vs: one voice, one measure) | |
| vs = [n for n in vs if isinstance (n, Note)] | |
| i = 0 | |
| while i < len (vs) - 1: | |
| n1, n2 = vs[i], vs[i+1] # scan all adjacent pairs | |
| # skip if note in tuplet or has no duration or outside beam | |
| if not n1.fact and not n2.fact and n1.dur > 0 and n2.beam: | |
| if n1.dur * 3 == n2.dur: | |
| n2.dur = (2 * n2.dur) // 3 | |
| n1.dur = n1.dur * 2 | |
| n1.after = '<' + n1.after | |
| i += 1 # do not chain broken rhythms | |
| elif n2.dur * 3 == n1.dur: | |
| n1.dur = (2 * n1.dur) // 3 | |
| n2.dur = n2.dur * 2 | |
| n1.after = '>' + n1.after | |
| i += 1 # do not chain broken rhythms | |
| i += 1 | |
| def outVoice (measure, divs, im, ip, unitL): # note/elem objects of one measure in one voice | |
| ix = 0 | |
| while ix < len (measure): # set all (nested) tuplet annotations | |
| nx = measure [ix] | |
| if isinstance (nx, Note) and nx.fact and not nx.grace: | |
| ix, tupcnt = insTup (ix, measure, (1, 1)) # read one tuplet, insert annotation(s) | |
| ix += 1 | |
| vs = [] | |
| for nx in measure: | |
| if isinstance (nx, Note): | |
| durstr = abcdur (nx, divs, unitL) # xml -> abc duration string | |
| chord = len (nx.ns) > 1 | |
| cns = [nt[:-1] for nt in nx.ns if nt.endswith ('-')] | |
| tie = '' | |
| if chord and len (cns) == len (nx.ns): # all chord notes tied | |
| nx.ns = cns # chord notes without tie | |
| tie = '-' # one tie for whole chord | |
| s = nx.tupabc + ''.join (nx.before) | |
| if chord: s += '[' | |
| for nt in nx.ns: s += nt | |
| if chord: s += ']' + tie | |
| if s.endswith ('-'): s, tie = s[:-1], '-' # split off tie | |
| s += durstr + tie # and put it back again | |
| s += nx.after | |
| nospace = nx.beam | |
| else: | |
| if isinstance (nx.str, listtype): nx.str = nx.str [0] | |
| s = nx.str | |
| nospace = 1 | |
| if nospace: vs.append (s) | |
| else: vs.append (' ' + s) | |
| vs = ''.join (vs) # ad hoc: remove multiple pedal directions | |
| while vs.find ('!ped!!ped!') >= 0: vs = vs.replace ('!ped!!ped!','!ped!') | |
| while vs.find ('!ped-up!!ped-up!') >= 0: vs = vs.replace ('!ped-up!!ped-up!','!ped-up!') | |
| while vs.find ('!8va(!!8va)!') >= 0: vs = vs.replace ('!8va(!!8va)!','') # remove empty ottava's | |
| return vs | |
| def sortMeasure (voice, m): | |
| voice.sort (key=lambda o: o.tijd) # sort on time | |
| time = 0 | |
| v = [] | |
| rs = [] # holds rests in between notes | |
| for i, nx in enumerate (voice): # establish sequentiality | |
| if nx.tijd > time and chkbug (nx.tijd - time, m): | |
| v.append (Note (nx.tijd - time, 'x')) # fill hole with invisble rest | |
| rs.append (len (v) - 1) | |
| if isinstance (nx, Elem): | |
| if nx.tijd < time: nx.tijd = time # shift elems without duration to where they fit | |
| v.append (nx) | |
| time = nx.tijd | |
| continue | |
| if nx.tijd < time: # overlapping element | |
| if nx.ns[0] == 'z': continue # discard overlapping rest | |
| if v[-1].tijd <= nx.tijd: # we can do something | |
| if v[-1].ns[0] == 'z': # shorten rest | |
| v[-1].dur = nx.tijd - v[-1].tijd | |
| if v[-1].dur == 0: del v[-1] # nothing left | |
| info ('overlap in part %d, measure %d: rest shortened' % (m.ixp+1, m.ixm+1)) | |
| else: # make a chord of overlap | |
| v[-1].ns += nx.ns | |
| info ('overlap in part %d, measure %d: added chord' % (m.ixp+1, m.ixm+1)) | |
| nx.dur = (nx.tijd + nx.dur) - time # the remains | |
| if nx.dur <= 0: continue # nothing left | |
| nx.tijd = time # append remains | |
| else: # give up | |
| info ('overlapping notes in one voice! part %d, measure %d, note %s discarded' % (m.ixp+1, m.ixm+1, isinstance (nx, Note) and nx.ns or nx.str)) | |
| continue | |
| v.append (nx) | |
| if isinstance (nx, Note): | |
| if nx.ns [0] in 'zx': | |
| rs.append (len (v) - 1) # remember rests between notes | |
| elif len (rs): | |
| if nx.beam and not nx.grace: # copy beam into rests | |
| for j in rs: v[j].beam = nx.beam | |
| rs = [] # clear rests on each note | |
| time = nx.tijd + nx.dur | |
| # when a measure contains no elements and no forwards -> no incTime -> s.maxtime = 0 -> right barline | |
| # is inserted at time == 0 (in addbar) and is only element in the voice when sortMeasure is called | |
| if time == 0: info ('empty measure in part %d, measure %d, it should contain at least a rest to advance the time!' % (m.ixp+1, m.ixm+1)) | |
| return v | |
| def getPartlist (ps): # correct part-list (from buggy xml-software) | |
| xs = [] # the corrected part-list | |
| e = [] # stack of opened part-groups | |
| for x in list (ps): # insert missing stops, delete double starts | |
| if x.tag == 'part-group': | |
| num, type = x.get ('number'), x.get ('type') | |
| if type == 'start': | |
| if num in e: # missing stop: insert one | |
| xs.append (E.Element ('part-group', number = num, type = 'stop')) | |
| xs.append (x) | |
| else: # normal start | |
| xs.append (x) | |
| e.append (num) | |
| else: | |
| if num in e: # normal stop | |
| e.remove (num) | |
| xs.append (x) | |
| else: pass # double stop: skip it | |
| else: xs.append (x) | |
| for num in reversed (e): # fill missing stops at the end | |
| xs.append (E.Element ('part-group', number = num, type = 'stop')) | |
| return xs | |
| def parseParts (xs, d, e): # -> [elems on current level], rest of xs | |
| if not xs: return [],[] | |
| x = xs.pop (0) | |
| if x.tag == 'part-group': | |
| num, type = x.get ('number'), x.get ('type') | |
| if type == 'start': # go one level deeper | |
| s = [x.findtext (n, '') for n in ['group-symbol','group-barline','group-name','group-abbreviation']] | |
| d [num] = s # remember groupdata by group number | |
| e.append (num) # make stack of open group numbers | |
| elemsnext, rest1 = parseParts (xs, d, e) # parse one level deeper to next stop | |
| elems, rest2 = parseParts (rest1, d, e) # parse the rest on this level | |
| return [elemsnext] + elems, rest2 | |
| else: # stop: close level and return group-data | |
| nums = e.pop () # last open group number in stack order | |
| if xs and xs[0].get ('type') == 'stop': # two consequetive stops | |
| if num != nums: # in the wrong order (tempory solution) | |
| d[nums], d[num] = d[num], d[nums] # exchange values (only works for two stops!!!) | |
| sym = d[num] # retrieve an return groupdata as last element of the group | |
| return [sym], xs | |
| else: | |
| elems, rest = parseParts (xs, d, e) # parse remaining elements on current level | |
| name = x.findtext ('part-name',''), x.findtext ('part-abbreviation','') | |
| return [name] + elems, rest | |
| def bracePart (part): # put a brace on multistaff part and group voices | |
| if not part: return [] # empty part in the score | |
| brace = [] | |
| for ivs in part: | |
| if len (ivs) == 1: # stave with one voice | |
| brace.append ('%s' % ivs[0]) | |
| else: # stave with multiple voices | |
| brace += ['('] + ['%s' % iv for iv in ivs] + [')'] | |
| brace.append ('|') | |
| del brace[-1] # no barline at the end | |
| if len (part) > 1: | |
| brace = ['{'] + brace + ['}'] | |
| return brace | |
| def prgroupelem (x, gnm, bar, pmap, accVce, accStf): # collect partnames (accVce) and %%score map (accStf) | |
| if type (x) == tupletype: # partname-tuple = (part-name, part-abbrev) | |
| y = pmap.pop (0) | |
| if gnm[0]: x = [n1 + ':' + n2 for n1, n2 in zip (gnm, x)] # put group-name before part-name | |
| accVce.append (x) | |
| accStf.extend (bracePart (y)) | |
| elif len (x) == 2 and type (x[0]) == tupletype: # misuse of group just to add extra name to stave | |
| y = pmap.pop (0) | |
| nms = [n1 + ':' + n2 for n1, n2 in zip (x[0], x[1][2:])] # x[0] = partname-tuple, x[1][2:] = groupname-tuple | |
| accVce.append (nms) | |
| accStf.extend (bracePart (y)) | |
| else: | |
| prgrouplist (x, bar, pmap, accVce, accStf) | |
| def prgrouplist (x, pbar, pmap, accVce, accStf): # collect partnames, scoremap for a part-group | |
| sym, bar, gnm, gabbr = x[-1] # bracket symbol, continue barline, group-name-tuple | |
| bar = bar == 'yes' or pbar # pbar -> the parent has bar | |
| accStf.append (sym == 'brace' and '{' or '[') | |
| for z in x[:-1]: | |
| prgroupelem (z, (gnm, gabbr), bar, pmap, accVce, accStf) | |
| if bar: accStf.append ('|') | |
| if bar: del accStf [-1] # remove last one before close | |
| accStf.append (sym == 'brace' and '}' or ']') | |
| def compUnitLength (iv, maten, divs): # compute optimal unit length | |
| uLmin, minLen = 0, max_int | |
| for uL in [4,8,16]: # try 1/4, 1/8 and 1/16 | |
| vLen = 0 # total length of abc duration strings in this voice | |
| for im, m in enumerate (maten): # all measures | |
| for e in m[iv]: # all notes in voice iv | |
| if isinstance (e, Elem) or e.dur == 0: continue # no real durations | |
| vLen += len (abcdur (e, divs [im], uL)) # add len of duration string | |
| if vLen < minLen: uLmin, minLen = uL, vLen # remember the smallest | |
| return uLmin | |
| def doSyllable (syl): | |
| txt = '' | |
| for e in syl: | |
| if e.tag == 'elision': txt += '~' | |
| elif e.tag == 'text': # escape - and space characters | |
| txt += (e.text or '').replace ('_','\_').replace('-', r'\-').replace(' ', '~') | |
| if not txt: return txt | |
| if syl.findtext('syllabic') in ['begin', 'middle']: txt += '-' | |
| if syl.find('extend') is not None: txt += '_' | |
| return txt | |
| def checkMelismas (lyrics, maten, im, iv): | |
| if im == 0: return | |
| maat = maten [im][iv] # notes of the current measure | |
| curlyr = lyrics [im][iv] # lyrics dict of current measure | |
| prvlyr = lyrics [im-1][iv] # lyrics dict of previous measure | |
| for n, (lyrstr, melis) in prvlyr.items (): # all lyric numbers in the previous measure | |
| if n not in curlyr and melis: # melisma required, but no lyrics present -> make one! | |
| ms = getMelisma (maat) # get a melisma for the current measure | |
| if ms: curlyr [n] = (ms, 0) # set melisma as the n-th lyrics of the current measure | |
| def getMelisma (maat): # get melisma from notes in maat | |
| ms = [] | |
| for note in maat: # every note should get an underscore | |
| if not isinstance (note, Note): continue # skip Elem's | |
| if note.grace: continue # skip grace notes | |
| if note.ns [0] in 'zx': break # stop on first rest | |
| ms.append ('_') | |
| return ' '.join (ms) | |
| def perc2map (abcIn): | |
| fillmap = {'diamond':1, 'triangle':1, 'square':1, 'normal':1}; | |
| abc = map (lambda x: x.strip (), percSvg.splitlines ()) | |
| id='default' | |
| maps = {'default': []}; | |
| dmaps = {'default': []} | |
| r1 = re.compile (r'V:\s*(\S+)') | |
| ls = abcIn.splitlines () | |
| for x in ls: | |
| if 'I:percmap' in x: | |
| noot, step, midi, kop = map (lambda x: x.strip (), x.split ()[1:]) | |
| if kop in fillmap: kop = kop + '+' + ',' + kop | |
| x = '%%%%map perc%s %s print=%s midi=%s heads=%s' % (id, noot, step, midi, kop) | |
| maps [id].append (x) | |
| if '%%MIDI' in x: dmaps [id].append (x) | |
| if 'V:' in x: | |
| r = r1.match (x) | |
| if r: | |
| id = r.group (1); | |
| if id not in maps: maps [id] = []; dmaps [id] = [] | |
| ids = sorted (maps.keys ()) | |
| for id in ids: abc += maps [id] | |
| id='default' | |
| for x in ls: | |
| if 'I:percmap' in x: continue | |
| if '%%MIDI' in x: continue | |
| if 'V:' in x or 'K:' in x: | |
| r = r1.match (x) | |
| if r: id = r.group (1) | |
| abc.append (x) | |
| if id in dmaps and len (dmaps [id]) > 0: abc.extend (dmaps [id]); del dmaps [id] | |
| if 'perc' in x and 'map=' not in x: x += ' map=perc'; | |
| if 'map=perc' in x and len (maps [id]) > 0: abc.append ('%%voicemap perc' + id); | |
| if 'map=off' in x: abc.append ('%%voicemap'); | |
| else: | |
| abc.append (x) | |
| return '\n'.join (abc) + '\n' | |
| def addoct (ptc, o): # xml staff step, xml octave number | |
| p = ptc | |
| if o > 4: p = ptc.lower () | |
| if o > 5: p = p + (o-5) * "'" | |
| if o < 4: p = p + (4-o) * "," | |
| return p # abc pitch == abc note without accidental | |
| def chkbug (dt, m): | |
| if dt > m.divs / 16: return 1 # duration should be > 1/64 note | |
| info ('MuseScore bug: incorrect duration, smaller then 1/64! in measure %d, part %d' % (m.ixm, m.ixp)) | |
| return 0 | |
| #---------------- | |
| # parser | |
| #---------------- | |
| class Parser: | |
| note_alts = [ # 3 alternative notations of the same note for tablature mapping | |
| [x.strip () for x in '=C, ^C, =D, ^D, =E, =F, ^F, =G, ^G, =A, ^A, =B'.split (',')], | |
| [x.strip () for x in '^B, _D,^^C, _E, _F, ^E, _G,^^F, _A,^^G, _B, _C'.split (',')], | |
| [x.strip () for x in '__D,^^B,__E,__F,^^D,__G,^^E,__A,_/A,__B,__C,^^A'.split (',')] ] | |
| step_map = {'C':0,'D':2,'E':4,'F':5,'G':7,'A':9,'B':11} | |
| def __init__ (s, options): | |
| # unfold repeats, number of chars per line, credit filter level, volta option | |
| s.slurBuf = {} # dict of open slurs keyed by slur number | |
| s.dirStk = {} # {direction-type + number -> (type, voice | time)} dict for proper closing | |
| s.ingrace = 0 # marks a sequence of grace notes | |
| s.msc = Music (options) # global music data abstraction | |
| s.unfold = options.u # turn unfolding repeats on | |
| s.ctf = options.c # credit text filter level | |
| s.gStfMap = [] # [[abc voice numbers] for all parts] | |
| s.midiMap = [] # midi-settings for each abc voice, in order | |
| s.drumInst = {} # inst_id -> midi pitch for channel 10 notes | |
| s.drumNotes = {} # (xml voice, abc note) -> (midi note, note head) | |
| s.instMid = [] # [{inst id -> midi-settings} for all parts] | |
| s.midDflt = [-1,-1,-1,-91] # default midi settings for channel, program, volume, panning | |
| s.msralts = {} # xml-notenames (without octave) with accidentals from the key | |
| s.curalts = {} # abc-notenames (with voice number) with passing accidentals | |
| s.stfMap = {} # xml staff number -> [xml voice number] | |
| s.vce2stf = {} # xml voice number -> allocated staff number | |
| s.clefMap = {} # xml staff number -> abc clef (for header only) | |
| s.curClef = {} # xml staff number -> current abc clef | |
| s.stemDir = {} # xml voice number -> current stem direction | |
| s.clefOct = {} # xml staff number -> current clef-octave-change | |
| s.curStf = {} # xml voice number -> current xml staff number | |
| s.nolbrk = options.x; # generate no linebreaks ($) | |
| s.jscript = options.j # compatibility with javascript version | |
| s.ornaments = sorted (note_ornamentation_map.items ()) | |
| s.doPageFmt = len (options.p) == 1 # translate xml page format | |
| s.tstep = options.t # clef determines step on staff (percussion) | |
| s.dirtov1 = options.v1 # all directions to first voice of staff | |
| s.ped = options.ped # render pedal directions | |
| s.wstems = options.stm # translate stem elements | |
| s.pedVce = None # voice for pedal directions | |
| s.repeat_str = {} # staff number -> [measure number, repeat-text] | |
| s.tabVceMap = {} # abc voice num -> [%%map ...] for tab voices | |
| s.koppen = {} # noteheads needed for %%map | |
| def matchSlur (s, type2, n, v2, note2, grace, stopgrace): # match slur number n in voice v2, add abc code to before/after | |
| if type2 not in ['start', 'stop']: return # slur type continue has no abc equivalent | |
| if n == None: n = '1' | |
| if n in s.slurBuf: | |
| type1, v1, note1, grace1 = s.slurBuf [n] | |
| if type2 != type1: # slur complete, now check the voice | |
| if v2 == v1: # begins and ends in the same voice: keep it | |
| if type1 == 'start' and (not grace1 or not stopgrace): # normal slur: start before stop and no grace slur | |
| note1.before = ['('] + note1.before # keep left-right order! | |
| note2.after += ')' | |
| # no else: don't bother with reversed stave spanning slurs | |
| del s.slurBuf [n] # slur finished, remove from stack | |
| else: # double definition, keep the last | |
| info ('double slur numbers %s-%s in part %d, measure %d, voice %d note %s, first discarded' % (type2, n, s.msr.ixp+1, s.msr.ixm+1, v2, note2.ns)) | |
| s.slurBuf [n] = (type2, v2, note2, grace) | |
| else: # unmatched slur, put in dict | |
| s.slurBuf [n] = (type2, v2, note2, grace) | |
| def doNotations (s, note, nttn, isTab): | |
| for key, val in s.ornaments: | |
| if nttn.find (key) != None: note.before += [val] # just concat all ornaments | |
| trem = nttn.find ('ornaments/tremolo') | |
| if trem != None: | |
| type = trem.get ('type') | |
| if type == 'single': | |
| note.before.insert (0, '!%s!' % (int (trem.text) * '/')) | |
| else: | |
| note.fact = None # no time modification in ABC | |
| if s.tstep: # abc2svg version | |
| if type == 'stop': note.before.insert (0, '!trem%s!' % trem.text); | |
| else: # abc2xml version | |
| if type == 'start': note.before.insert (0, '!%s-!' % (int (trem.text) * '/')); | |
| fingering = nttn.findall ('technical/fingering') | |
| for finger in fingering: # handle multiple finger annotations | |
| if not isTab: note.before += ['!%s!' % finger.text] # fingering goes before chord (addChord) | |
| snaar = nttn.find ('technical/string') | |
| if snaar != None and isTab: | |
| if s.tstep: | |
| fret = nttn.find ('technical/fret') | |
| if fret != None: note.tab = (snaar.text, fret.text) | |
| else: | |
| deco = '!%s!' % snaar.text # no double string decos (bug in musescore) | |
| if deco not in note.ntdec: note.ntdec += deco | |
| wvln = nttn.find ('ornaments/wavy-line') | |
| if wvln != None: | |
| if wvln.get ('type') == 'start': note.before = ['!trill(!'] + note.before # keep left-right order! | |
| elif wvln.get ('type') == 'stop': note.before = ['!trill)!'] + note.before | |
| glis = nttn.find ('glissando') | |
| if glis == None: glis = nttn.find ('slide') # treat slide as glissando | |
| if glis != None: | |
| lt = '~' if glis.get ('line-type') =='wavy' else '-' | |
| if glis.get ('type') == 'start': note.before = ['!%s(!' % lt] + note.before # keep left-right order! | |
| elif glis.get ('type') == 'stop': note.before = ['!%s)!' % lt] + note.before | |
| def tabnote (s, alt, ptc, oct, v, ntrec): | |
| p = s.step_map [ptc] + int (alt or '0') # p in -2 .. 13 | |
| if p > 11: oct += 1 # octave correction | |
| if p < 0: oct -= 1 | |
| p = p % 12 # remap p into 0..11 | |
| snaar_nw, fret_nw = ntrec.tab # the computed/annotated allocation of nt | |
| for i in range (4): # support same note on 4 strings | |
| na = s.note_alts [i % 3] [p] # get alternative representation of same note | |
| o = oct | |
| if na in ['^B', '^^B']: o -= 1 # because in adjacent octave | |
| if na in ['_C', '__C']: o += 1 | |
| if '/' in na or i == 3: o = 9 # emergency notation for 4th string case | |
| nt = addoct (na, o) | |
| snaar, fret = s.tabmap.get ((v, nt), ('', '')) # the current allocation of nt | |
| if not snaar: break # note not yet allocated | |
| if snaar_nw == snaar: return nt # use present allocation | |
| if i == 3: # new allocaion needed but none is free | |
| fmt = 'rejected: voice %d note %3s string %s fret %2s remains: string %s fret %s' | |
| info (fmt % (v, nt, snaar_nw, fret_nw, snaar, fret), 1) | |
| ntrec.tab = (snaar, fret) | |
| s.tabmap [v, nt] = ntrec.tab # for tablature map (voice, note) -> (string, fret) | |
| return nt # ABC code always in key C (with midi pitch alterations) | |
| def ntAbc (s, ptc, oct, note, v, ntrec, isTab): # pitch, octave -> abc notation | |
| acc2alt = {'double-flat':-2,'flat-flat':-2,'flat':-1,'natural':0,'sharp':1,'sharp-sharp':2,'double-sharp':2} | |
| oct += s.clefOct.get (s.curStf [v], 0) # minus clef-octave-change value | |
| acc = note.findtext ('accidental') # should be the notated accidental | |
| alt = note.findtext ('pitch/alter') # pitch alteration (midi) | |
| if ntrec.tab: return s.tabnote (alt, ptc, oct, v, ntrec) # implies s.tstep is true (options.t was given) | |
| elif isTab and s.tstep: | |
| nt = ['__','_','','^','^^'][int (alt or '0') + 2] + addoct (ptc, oct) | |
| info ('no string notation found for note %s in voice %d' % (nt, v), 1) | |
| p = addoct (ptc, oct) | |
| if alt == None and s.msralts.get (ptc, 0): alt = 0 # no alt but key implies alt -> natural!! | |
| if alt == None and (p, v) in s.curalts: alt = 0 # no alt but previous note had one -> natural!! | |
| if acc == None and alt == None: return p # no acc, no alt | |
| elif acc != None: | |
| alt = acc2alt [acc] # acc takes precedence over the pitch here! | |
| else: # now see if we really must add an accidental | |
| alt = int (float (alt)) | |
| if (p, v) in s.curalts: # the note in this voice has been altered before | |
| if alt == s.curalts [(p, v)]: return p # alteration still the same | |
| elif alt == s.msralts.get (ptc, 0): return p # alteration implied by the key | |
| tieElms = note.findall ('tie') + note.findall ('notations/tied') # in xml we have separate notated ties and playback ties | |
| if 'stop' in [e.get ('type') for e in tieElms]: return p # don't alter tied notes | |
| info ('accidental %d added in part %d, measure %d, voice %d note %s' % (alt, s.msr.ixp+1, s.msr.ixm+1, v+1, p)) | |
| s.curalts [(p, v)] = alt | |
| p = ['__','_','=','^','^^'][alt+2] + p # and finally ... prepend the accidental | |
| return p | |
| def doNote (s, n): # parse a musicXML note tag | |
| note = Note () | |
| v = int (n.findtext ('voice', '1')) | |
| if s.isSib: v += 100 * int (n.findtext ('staff', '1')) # repair bug in Sibelius | |
| chord = n.find ('chord') != None | |
| p = n.findtext ('pitch/step') or n.findtext ('unpitched/display-step') | |
| o = n.findtext ('pitch/octave') or n.findtext ('unpitched/display-octave') | |
| r = n.find ('rest') | |
| numer = n.findtext ('time-modification/actual-notes') | |
| if numer: | |
| denom = n.findtext ('time-modification/normal-notes') | |
| note.fact = (int (numer), int (denom)) | |
| note.tup = [x.get ('type') for x in n.findall ('notations/tuplet')] | |
| dur = n.findtext ('duration') | |
| grc = n.find ('grace') | |
| note.grace = grc != None | |
| note.before, note.after = [], '' # strings with ABC stuff that goes before or after a note/chord | |
| if note.grace and not s.ingrace: # open a grace sequence | |
| s.ingrace = 1 | |
| note.before = ['{'] | |
| if grc.get ('slash') == 'yes': note.before += ['/'] # acciaccatura | |
| stopgrace = not note.grace and s.ingrace | |
| if stopgrace: # close the grace sequence | |
| s.ingrace = 0 | |
| s.msc.lastnote.after += '}' # close grace on lastenote.after | |
| if dur == None or note.grace: dur = 0 | |
| if r == None and n.get ('print-object') == 'no': | |
| if chord: return | |
| r = 1 # turn invisible notes (that advance the time) into invisible rests | |
| note.dur = int (dur) | |
| if r == None and (not p or not o): # not a rest and no pitch | |
| s.msc.cnt.inc ('nopt', v) # count unpitched notes | |
| o, p = 5,'E' # make it an E5 ?? | |
| isTab = s.curClef and s.curClef.get (s.curStf [v], '').startswith ('tab') | |
| nttn = n.find ('notations') # add ornaments | |
| if nttn != None: s.doNotations (note, nttn, isTab) | |
| e = n.find ('stem') if r == None else None # no !stemless! before rest | |
| if e != None and e.text == 'none' and (not isTab or v in s.hasStems or s.tstep): | |
| note.before += ['s']; abcOut.stemless = 1; | |
| e = n.find ('accidental') | |
| if e != None and e.get ('parentheses') == 'yes': note.ntdec += '!courtesy!' | |
| if r != None: noot = 'x' if n.get ('print-object') == 'no' or isTab else 'z' | |
| else: noot = s.ntAbc (p, int (o), n, v, note, isTab) | |
| if n.find ('unpitched') != None: | |
| clef = s.curClef [s.curStf [v]] # the current clef for this voice | |
| step = staffStep (p, int (o), clef, s.tstep) # (clef independent) step value of note on the staff | |
| instr = n.find ('instrument') | |
| instId = instr.get ('id') if instr != None else 'dummyId' | |
| midi = s.drumInst.get (instId, abcMid (noot)) | |
| nh = n.findtext ('notehead', '').replace (' ','-') # replace spaces in xml notehead names for percmap | |
| if nh == 'x': noot = '^' + noot.replace ('^','').replace ('_','') | |
| if nh in ['circle-x','diamond','triangle']: noot = '_' + noot.replace ('^','').replace ('_','') | |
| if nh and n.find ('notehead').get ('filled','') == 'yes': nh += '+' | |
| if nh and n.find ('notehead').get ('filled','') == 'no': nh += '-' | |
| s.drumNotes [(v, noot)] = (step, midi, nh) # keep data for percussion map | |
| tieElms = n.findall ('tie') + n.findall ('notations/tied') # in xml we have separate notated ties and playback ties | |
| if 'start' in [e.get ('type') for e in tieElms]: # n can have stop and start tie | |
| noot = noot + '-' | |
| note.beam = sum ([1 for b in n.findall('beam') if b.text in ['continue', 'end']]) + int (note.grace) | |
| lyrlast = 0; rsib = re.compile (r'^.*verse') | |
| for e in n.findall ('lyric'): | |
| lyrnum = int (rsib.sub ('', e.get ('number', '1'))) # also do Sibelius numbers | |
| if lyrnum == 0: lyrnum = lyrlast + 1 # and correct Sibelius bugs | |
| else: lyrlast = lyrnum | |
| note.lyrs [lyrnum] = doSyllable (e) | |
| stemdir = n.findtext ('stem') | |
| if s.wstems and (stemdir == 'up' or stemdir == 'down'): | |
| if stemdir != s.stemDir.get (v, ''): | |
| s.stemDir [v] = stemdir | |
| s.msc.appendElem (v, '[I:stemdir %s]' % stemdir) | |
| if chord: s.msc.addChord (note, noot) | |
| else: | |
| xmlstaff = int (n.findtext ('staff', '1')) | |
| if s.curStf [v] != xmlstaff: # the note should go to another staff | |
| dstaff = xmlstaff - s.curStf [v] # relative new staff number | |
| s.curStf [v] = xmlstaff # remember the new staff for this voice | |
| s.msc.appendElem (v, '[I:staff %+d]' % dstaff) # insert a move before the note | |
| s.msc.appendNote (v, note, noot) | |
| for slur in n.findall ('notations/slur'): # s.msc.lastnote points to the last real note/chord inserted above | |
| s.matchSlur (slur.get ('type'), slur.get ('number'), v, s.msc.lastnote, note.grace, stopgrace) # match slur definitions | |
| def doAttr (s, e): # parse a musicXML attribute tag | |
| teken = {'C1':'alto1','C2':'alto2','C3':'alto','C4':'tenor','F4':'bass','F3':'bass3','G2':'treble','TAB':'tab','percussion':'perc'} | |
| dvstxt = e.findtext ('divisions') | |
| if dvstxt: s.msr.divs = int (dvstxt) | |
| steps = int (e.findtext ('transpose/chromatic', '0')) # for transposing instrument | |
| fifths = e.findtext ('key/fifths') | |
| first = s.msc.tijd == 0 and s.msr.ixm == 0 # first attributes in first measure | |
| if fifths: | |
| key, s.msralts = setKey (int (fifths), e.findtext ('key/mode','major')) | |
| if first and not steps and abcOut.key == 'none': | |
| abcOut.key = key # first measure -> header, if not transposing instrument or percussion part! | |
| elif key != abcOut.key or not first: | |
| s.msr.attr += '[K:%s]' % key # otherwise -> voice | |
| beats = e.findtext ('time/beats') | |
| if beats: | |
| unit = e.findtext ('time/beat-type') | |
| mtr = beats + '/' + unit | |
| if first: abcOut.mtr = mtr # first measure -> header | |
| else: s.msr.attr += '[M:%s]' % mtr # otherwise -> voice | |
| s.msr.mtr = int (beats), int (unit) | |
| s.msr.mdur = (s.msr.divs * s.msr.mtr[0] * 4) // s.msr.mtr[1] # duration of measure in xml-divisions | |
| for ms in e.findall('measure-style'): | |
| n = int (ms.get ('number', '1')) # staff number | |
| voices = s.stfMap [n] # all voices of staff n | |
| for mr in ms.findall('measure-repeat'): | |
| ty = mr.get('type') | |
| if ty == 'start': # remember start measure number and text voor each staff | |
| s.repeat_str [n] = [s.msr.ixm, mr.text] | |
| for v in voices: # insert repeat into all voices, value will be overwritten at stop | |
| s.msc.insertElem (v, s.repeat_str [n]) | |
| elif ty == 'stop': # calculate repeat measure count for this staff n | |
| start_ix, text_ = s.repeat_str [n] | |
| repeat_count = s.msr.ixm - start_ix | |
| if text_: | |
| mid_str = "%s " % text_ | |
| repeat_count /= int (text_) | |
| else: | |
| mid_str = "" # overwrite repeat with final string | |
| s.repeat_str [n][0] = '[I:repeat %s%d]' % (mid_str, repeat_count) | |
| del s.repeat_str [n] # remove closed repeats | |
| toct = e.findtext ('transpose/octave-change', '') | |
| if toct: steps += 12 * int (toct) # extra transposition of toct octaves | |
| for clef in e.findall ('clef'): # a part can have multiple staves | |
| n = int (clef.get ('number', '1')) # local staff number for this clef | |
| sgn = clef.findtext ('sign') | |
| line = clef.findtext ('line', '') if sgn not in ['percussion','TAB'] else '' | |
| cs = teken.get (sgn + line, '') | |
| oct = clef.findtext ('clef-octave-change', '') or '0' | |
| if oct: cs += {-2:'-15', -1:'-8', 1:'+8', 2:'+15'}.get (int (oct), '') | |
| s.clefOct [n] = -int (oct); # xml playback pitch -> abc notation pitch | |
| if steps: cs += ' transpose=' + str (steps) | |
| stfdtl = e.find ('staff-details') | |
| if stfdtl and int (stfdtl.get ('number', '1')) == n: | |
| lines = stfdtl.findtext ('staff-lines') | |
| if lines: | |
| lns= '|||' if lines == '3' and sgn == 'TAB' else lines | |
| cs += ' stafflines=%s' % lns | |
| s.stafflines = int (lines) # remember for tab staves | |
| strings = stfdtl.findall ('staff-tuning') | |
| if strings: | |
| tuning = [st.findtext ('tuning-step') + st.findtext ('tuning-octave') for st in strings] | |
| cs += ' strings=%s' % ','.join (tuning) | |
| capo = stfdtl.findtext ('capo') | |
| if capo: cs += ' capo=%s' % capo | |
| s.curClef [n] = cs # keep track of current clef (for percmap) | |
| if first: s.clefMap [n] = cs # clef goes to header (where it is mapped to voices) | |
| else: | |
| voices = s.stfMap[n] # clef change to all voices of staff n | |
| for v in voices: | |
| if n != s.curStf [v]: # voice is not at its home staff n | |
| dstaff = n - s.curStf [v] | |
| s.curStf [v] = n # reset current staff at start of measure to home position | |
| s.msc.appendElem (v, '[I:staff %+d]' % dstaff) | |
| s.msc.appendElem (v, '[K:%s]' % cs) | |
| def findVoice (s, i, es): | |
| stfnum = int (es[i].findtext ('staff',1)) # directions belong to a staff | |
| vs = s.stfMap [stfnum] # voices in this staff | |
| v1 = vs [0] if vs else 1 # directions to first voice of staff | |
| if s.dirtov1: return stfnum, v1, v1 # option --v1 | |
| for e in es [i+1:]: # or to the voice of the next note | |
| if e.tag == 'note': | |
| v = int (e.findtext ('voice', '1')) | |
| if s.isSib: v += 100 * int (e.findtext ('staff', '1')) # repair bug in Sibelius | |
| stf = s.vce2stf [v] # use our own staff allocation | |
| return stf, v, v1 # voice of next note, first voice of staff | |
| if e.tag == 'backup': break | |
| return stfnum, v1, v1 # no note found, fall back to v1 | |
| def doDirection (s, e, i, es): # parse a musicXML direction tag | |
| def addDirection (x, vs, tijd, stfnum): | |
| if not x: return | |
| vs = s.stfMap [stfnum] if '!8v' in x else [vs] # ottava's go to all voices of staff | |
| for v in vs: | |
| if tijd != None: # insert at time of encounter | |
| s.msc.appendElemT (v, x.replace ('(',')').replace ('ped','ped-up'), tijd) | |
| else: | |
| s.msc.appendElem (v, x) | |
| def startStop (dtype, vs, stfnum=1): | |
| typmap = {'down':'!8va(!', 'up':'!8vb(!', 'crescendo':'!<(!', 'diminuendo':'!>(!', 'start':'!ped!'} | |
| type = t.get ('type', '') | |
| k = dtype + t.get ('number', '1') # key to match the closing direction | |
| if type in typmap: # opening the direction | |
| x = typmap [type] | |
| if k in s.dirStk: # closing direction already encountered | |
| stype, tijd = s.dirStk [k]; del s.dirStk [k] | |
| if stype == 'stop': | |
| addDirection (x, vs, tijd, stfnum) | |
| else: | |
| info ('%s direction %s has no stop in part %d, measure %d, voice %d' % (dtype, stype, s.msr.ixp+1, s.msr.ixm+1, vs+1)) | |
| s.dirStk [k] = ((type , vs)) # remember voice and type for closing | |
| else: | |
| s.dirStk [k] = ((type , vs)) # remember voice and type for closing | |
| elif type == 'stop': | |
| if k in s.dirStk: # matching open direction found | |
| type, vs = s.dirStk [k]; del s.dirStk [k] # into the same voice | |
| if type == 'stop': | |
| info ('%s direction %s has double stop in part %d, measure %d, voice %d' % (dtype, type, s.msr.ixp+1, s.msr.ixm+1, vs+1)) | |
| x = '' | |
| else: | |
| x = typmap [type].replace ('(',')').replace ('ped','ped-up') | |
| else: # closing direction found before opening | |
| s.dirStk [k] = ('stop', s.msc.tijd) | |
| x = '' # delay code generation until opening found | |
| else: raise ValueError ('wrong direction type') | |
| addDirection (x, vs, None, stfnum) | |
| tempo, wrdstxt = None, '' | |
| plcmnt = e.get ('placement') | |
| stf, vs, v1 = s.findVoice (i, es) | |
| jmp = '' # for jump sound elements: dacapo, dalsegno and family | |
| jmps = [('dacapo','D.C.'),('dalsegno','D.S.'),('tocoda','dacoda'),('fine','fine'),('coda','O'),('segno','S')] | |
| t = e.find ('sound') # there are many possible attributes for sound | |
| if t != None: | |
| minst = t.find ('midi-instrument') | |
| if minst: | |
| prg = t.findtext ('midi-instrument/midi-program') | |
| chn = t.findtext ('midi-instrument/midi-channel') | |
| vids = [v for v, id in s.vceInst.items () if id == minst.get ('id')] | |
| if vids: vs = vids [0] # direction for the indentified voice, not the staff | |
| parm, inst = ('program', str (int (prg) - 1)) if prg else ('channel', chn) | |
| if inst and abcOut.volpan > 0: s.msc.appendElem (vs, '[I:MIDI= %s %s]' % (parm, inst)) | |
| tempo = t.get ('tempo') # look for tempo attribute | |
| if tempo: | |
| tempo = '%.0f' % float (tempo) # hope it is a number and insert in voice 1 | |
| tempo_units = (1,4) # always 1/4 for sound elements! | |
| for r, v in jmps: | |
| if t.get (r, ''): jmp = v; break | |
| dirtypes = e.findall ('direction-type') | |
| for dirtyp in dirtypes: | |
| units = { 'whole': (1,1), 'half': (1,2), 'quarter': (1,4), 'eighth': (1,8) } | |
| metr = dirtyp.find ('metronome') | |
| if metr != None: | |
| t = metr.findtext ('beat-unit', '') | |
| if t in units: tempo_units = units [t] | |
| else: tempo_units = units ['quarter'] | |
| if metr.find ('beat-unit-dot') != None: | |
| tempo_units = simplify (tempo_units [0] * 3, tempo_units [1] * 2) | |
| tmpro = re.search ('[.\d]+', metr.findtext ('per-minute')) # look for a number | |
| if tmpro: tempo = tmpro.group () # overwrites the value set by the sound element of this direction | |
| t = dirtyp.find ('wedge') | |
| if t != None: startStop ('wedge', vs) | |
| allwrds = dirtyp.findall ('words') # insert text annotations | |
| if not allwrds: allwrds = dirtyp.findall ('rehearsal') # treat rehearsal mark as text annotation | |
| for wrds in allwrds: | |
| if jmp: # ignore the words when a jump sound element is present in this direction | |
| s.msc.appendElem (vs, '!%s!' % jmp , 1) # to voice | |
| break | |
| plc = plcmnt == 'below' and '_' or '^' | |
| if float (wrds.get ('default-y', '0')) < 0: plc = '_' | |
| wrdstxt += (wrds.text or '').replace ('"','\\"').replace ('\n', '\\n') | |
| wrdstxt = wrdstxt.strip () | |
| for key, val in dynamics_map.items (): | |
| if dirtyp.find ('dynamics/' + key) != None: | |
| s.msc.appendElem (vs, val, 1) # to voice | |
| if dirtyp.find ('coda') != None: s.msc.appendElem (vs, 'O', 1) | |
| if dirtyp.find ('segno') != None: s.msc.appendElem (vs, 'S', 1) | |
| t = dirtyp.find ('octave-shift') | |
| if t != None: startStop ('octave-shift', vs, stf) # assume size == 8 for the time being | |
| t = dirtyp.find ('pedal') | |
| if t != None and s.ped: | |
| if not s.pedVce: s.pedVce = vs | |
| startStop ('pedal', s.pedVce) | |
| if dirtyp.findtext ('other-direction') == 'diatonic fretting': s.diafret = 1; | |
| if tempo: | |
| tempo = '%.0f' % float (tempo) # hope it is a number and insert in voice 1 | |
| if s.msc.tijd == 0 and s.msr.ixm == 0: # first measure -> header | |
| abcOut.tempo = tempo | |
| abcOut.tempo_units = tempo_units | |
| else: | |
| s.msc.appendElem (v1, '[Q:%d/%d=%s]' % (tempo_units [0], tempo_units [1], tempo)) # otherwise -> 1st voice | |
| if wrdstxt: s.msc.appendElem (vs, '"%s%s"' % (plc, wrdstxt), 1) # to voice, but after tempo | |
| def doHarmony (s, e, i, es): # parse a musicXMl harmony tag | |
| _, vt, _ = s.findVoice (i, es) | |
| short = {'major':'', 'minor':'m', 'augmented':'+', 'diminished':'dim', 'dominant':'7', 'half-diminished':'m7b5'} | |
| accmap = {'major':'maj', 'dominant':'', 'minor':'m', 'diminished':'dim', 'augmented':'+', 'suspended':'sus'} | |
| modmap = {'second':'2', 'fourth':'4', 'seventh':'7', 'sixth':'6', 'ninth':'9', '11th':'11', '13th':'13'} | |
| altmap = {'1':'#', '0':'', '-1':'b'} | |
| root = e.findtext ('root/root-step','') | |
| alt = altmap.get (e.findtext ('root/root-alter'), '') | |
| sus = '' | |
| kind = e.findtext ('kind', '') | |
| if kind in short: kind = short [kind] | |
| elif '-' in kind: # xml chord names: <triad name>-<modification> | |
| triad, mod = kind.split ('-') | |
| kind = accmap.get (triad, '') + modmap.get (mod, '') | |
| if kind.startswith ('sus'): kind, sus = '', kind # sus-suffix goes to the end | |
| elif kind == 'none': kind = e.find ('kind').get ('text','') | |
| degrees = e.findall ('degree') | |
| for d in degrees: # chord alterations | |
| kind += altmap.get (d.findtext ('degree-alter'),'') + d.findtext ('degree-value','') | |
| kind = kind.replace ('79','9').replace ('713','13').replace ('maj6','6') | |
| bass = e.findtext ('bass/bass-step','') + altmap.get (e.findtext ('bass/bass-alter'),'') | |
| s.msc.appendElem (vt, '"%s%s%s%s%s"' % (root, alt, kind, sus, bass and '/' + bass), 1) | |
| def doBarline (s, e): # 0 = no repeat, 1 = begin repeat, 2 = end repeat | |
| rep = e.find ('repeat') | |
| if rep != None: rep = rep.get ('direction') | |
| if s.unfold: # unfold repeat, don't translate barlines | |
| return rep and (rep == 'forward' and 1 or 2) or 0 | |
| loc = e.get ('location', 'right') # right is the default | |
| if loc == 'right': # only change style for the right side | |
| style = e.findtext ('bar-style') | |
| if style == 'light-light': s.msr.rline = '||' | |
| elif style == 'light-heavy': s.msr.rline = '|]' | |
| if rep != None: # repeat found | |
| if rep == 'forward': s.msr.lline = ':' | |
| else: s.msr.rline = ':|' # override barline style | |
| end = e.find ('ending') | |
| if end != None: | |
| if end.get ('type') == 'start': | |
| n = end.get ('number', '1').replace ('.','').replace (' ','') | |
| try: list (map (int, n.split (','))) # should be a list of integers | |
| except: n = '"%s"' % n.strip () # illegal musicXML | |
| s.msr.lnum = n # assume a start is always at the beginning of a measure | |
| elif s.msr.rline == '|': # stop and discontinue the same in ABC ? | |
| s.msr.rline = '||' # to stop on a normal barline use || in ABC ? | |
| return 0 | |
| def doPrint (s, e): # print element, measure number -> insert a line break | |
| if e.get ('new-system') == 'yes' or e.get ('new-page') == 'yes': | |
| if not s.nolbrk: return '$' # a line break | |
| def doPartList (s, e): # translate the start/stop-event-based xml-partlist into proper tree | |
| for sp in e.findall ('part-list/score-part'): | |
| midi = {} | |
| for m in sp.findall ('midi-instrument'): | |
| x = [m.findtext (p, s.midDflt [i]) for i,p in enumerate (['midi-channel','midi-program','volume','pan'])] | |
| pan = float (x[3]) | |
| if pan >= -90 and pan <= 90: # would be better to map behind-pannings | |
| pan = (float (x[3]) + 90) / 180 * 127 # xml between -90 and +90 | |
| midi [m.get ('id')] = [int (x[0]), int (x[1]), float (x[2]) * 1.27, pan] # volume 100 -> midi 127 | |
| up = m.findtext ('midi-unpitched') | |
| if up: s.drumInst [m.get ('id')] = int (up) - 1 # store midi-pitch for channel 10 notes | |
| s.instMid.append (midi) | |
| ps = e.find ('part-list') # partlist = [groupelem] | |
| xs = getPartlist (ps) # groupelem = partname | grouplist | |
| partlist, _ = parseParts (xs, {}, []) # grouplist = [groupelem, ..., groupdata] | |
| return partlist # groupdata = [group-symbol, group-barline, group-name, group-abbrev] | |
| def mkTitle (s, e): | |
| def filterCredits (y): # y == filter level, higher filters less | |
| cs = [] | |
| for x in credits: # skip redundant credit lines | |
| if y < 6 and (x in title or x in mvttl): continue # sure skip | |
| if y < 5 and (x in composer or x in lyricist): continue # almost sure skip | |
| if y < 4 and ((title and title in x) or (mvttl and mvttl in x)): continue # may skip too much | |
| if y < 3 and ([1 for c in composer if c in x] or [1 for c in lyricist if c in x]): continue # skips too much | |
| if y < 2 and re.match (r'^[\d\W]*$', x): continue # line only contains numbers and punctuation | |
| cs.append (x) | |
| if y == 0 and (title + mvttl): cs = '' # default: only credit when no title set | |
| return cs | |
| title = e.findtext ('work/work-title', '').strip () | |
| mvttl = e.findtext ('movement-title', '').strip () | |
| composer, lyricist, credits = [], [], [] | |
| for creator in e.findall ('identification/creator'): | |
| if creator.text: | |
| if creator.get ('type') == 'composer': | |
| composer += [line.strip () for line in creator.text.split ('\n')] | |
| elif creator.get ('type') in ('lyricist', 'transcriber'): | |
| lyricist += [line.strip () for line in creator.text.split ('\n')] | |
| for rights in e.findall ('identification/rights'): | |
| if rights.text: | |
| lyricist += [line.strip () for line in rights.text.split ('\n')] | |
| for credit in e.findall('credit'): | |
| cs = ''.join (e.text or '' for e in credit.findall('credit-words')) | |
| credits += [re.sub (r'\s*[\r\n]\s*', ' ', cs)] | |
| credits = filterCredits (s.ctf) | |
| if title: title = 'T:%s\n' % title.replace ('\n', '\nT:') | |
| if mvttl: title += 'T:%s\n' % mvttl.replace ('\n', '\nT:') | |
| if credits: title += '\n'.join (['T:%s' % c for c in credits]) + '\n' | |
| if composer: title += '\n'.join (['C:%s' % c for c in composer]) + '\n' | |
| if lyricist: title += '\n'.join (['Z:%s' % c for c in lyricist]) + '\n' | |
| if title: abcOut.title = title[:-1] | |
| s.isSib = 'Sibelius' in (e.findtext ('identification/encoding/software') or '') | |
| if s.isSib: info ('Sibelius MusicXMl is unreliable') | |
| def doDefaults (s, e): | |
| if not s.doPageFmt: return # return if -pf option absent | |
| d = e.find ('defaults'); | |
| if d == None: return; | |
| mils = d.findtext ('scaling/millimeters') # mills == staff height (mm) | |
| tenths = d.findtext ('scaling/tenths') # staff height in tenths | |
| if not mils or not tenths: return | |
| xmlScale = float (mils) / float (tenths) / 10 # tenths -> mm | |
| space = 10 * xmlScale # space between staff lines == 10 tenths | |
| abcScale = space / 0.2117 # 0.2117 cm = 6pt = space between staff lines for scale = 1.0 in abcm2ps | |
| abcOut.pageFmt ['scale'] = abcScale | |
| eks = 2 * ['page-layout/'] + 4 * ['page-layout/page-margins/'] | |
| eks = [a+b for a,b in zip (eks, 'page-height,page-width,left-margin,right-margin,top-margin,bottom-margin'.split (','))] | |
| for i in range (6): | |
| v = d.findtext (eks [i]) | |
| k = abcOut.pagekeys [i+1] # pagekeys [0] == scale already done, skip it | |
| if not abcOut.pageFmt [k] and v: | |
| try: abcOut.pageFmt [k] = float (v) * xmlScale # -> cm | |
| except: info ('illegal value %s for xml element %s', (v, eks [i])); continue # just skip illegal values | |
| def locStaffMap (s, part, maten): # map voice to staff with majority voting | |
| vmap = {} # {voice -> {staff -> n}} count occurrences of voice in staff | |
| s.vceInst = {} # {voice -> instrument id} for this part | |
| s.msc.vnums = {} # voice id's | |
| s.hasStems = {} # XML voice nums with at least one note with a stem (for tab key) | |
| s.stfMap, s.clefMap = {}, {} # staff -> [voices], staff -> clef | |
| ns = part.findall ('measure/note') | |
| for n in ns: # count staff allocations for all notes | |
| v = int (n.findtext ('voice', '1')) | |
| if s.isSib: v += 100 * int (n.findtext ('staff', '1')) # repair bug in Sibelius | |
| s.msc.vnums [v] = 1 # collect all used voice id's in this part | |
| sn = int (n.findtext ('staff', '1')) | |
| s.stfMap [sn] = [] | |
| if v not in vmap: | |
| vmap [v] = {sn:1} | |
| else: | |
| d = vmap[v] # counter for voice v | |
| d[sn] = d.get (sn, 0) + 1 # ++ number of allocations for staff sn | |
| x = n.find ('instrument') | |
| if x != None: s.vceInst [v] = x.get ('id') | |
| x, noRest = n.findtext ('stem'), n.find ('rest') == None | |
| if noRest and (not x or x != 'none'): s.hasStems [v] = 1 # XML voice v has at least one stem | |
| vks = list (vmap.keys ()) | |
| if s.jscript or s.isSib: vks.sort () | |
| for v in vks: # choose staff with most allocations for each voice | |
| xs = [(n, sn) for sn, n in vmap[v].items ()] | |
| xs.sort () | |
| stf = xs[-1][1] # the winner: staff with most notes of voice v | |
| s.stfMap [stf].append (v) | |
| s.vce2stf [v] = stf # reverse map | |
| s.curStf [v] = stf # current staff of XML voice v | |
| def addStaffMap (s, vvmap): # vvmap: xml voice number -> global abc voice number | |
| part = [] # default: brace on staffs of one part | |
| for stf, voices in sorted (s.stfMap.items ()): # s.stfMap has xml staff and voice numbers | |
| locmap = [vvmap [iv] for iv in voices if iv in vvmap] | |
| nostem = [(iv not in s.hasStems) for iv in voices if iv in vvmap] # same order as locmap | |
| if locmap: # abc voice number of staff stf | |
| part.append (locmap) | |
| clef = s.clefMap.get (stf, 'treble') # {xml staff number -> clef} | |
| for i, iv in enumerate (locmap): | |
| clef_attr = '' | |
| if clef.startswith ('tab'): | |
| if nostem [i] and 'nostems' not in clef: clef_attr = ' nostems' | |
| if s.diafret and 'diafret' not in clef: clef_attr += ' diafret' # for all voices in the part | |
| abcOut.clefs [iv] = clef + clef_attr # add nostems when all notes of voice had no stem | |
| s.gStfMap.append (part) | |
| def addMidiMap (s, ip, vvmap): # map abc voices to midi settings | |
| instr = s.instMid [ip] # get the midi settings for this part | |
| if instr.values (): defInstr = list(instr.values ())[0] # default settings = first instrument | |
| else: defInstr = s.midDflt # no instruments defined | |
| xs = [] | |
| for v, vabc in vvmap.items (): # xml voice num, abc voice num | |
| ks = sorted (s.drumNotes.items ()) | |
| ds = [(nt, step, midi, head) for (vd, nt), (step, midi, head) in ks if v == vd] # map perc notes | |
| id = s.vceInst.get (v, '') # get the instrument-id for part with multiple instruments | |
| if id in instr: # id is defined as midi-instrument in part-list | |
| xs.append ((vabc, instr [id] + ds)) # get midi settings for id | |
| else: xs.append ((vabc, defInstr + ds)) # only one instrument for this part | |
| xs.sort () # put abc voices in order | |
| s.midiMap.extend ([midi for v, midi in xs]) | |
| snaarmap = ['E','G','B','d', 'f', 'a', "c'", "e'"] | |
| diamap = '0,1-,1,1+,2,3,3,4,4,5,6,6+,7,8-,8,8+,9,10,10,11,11,12,13,13+,14'.split (',') | |
| for k in sorted (s.tabmap.keys ()): # add %%map's for all tab voices | |
| v, noot = k; | |
| snaar, fret = s.tabmap [k]; | |
| if s.diafret: fret = diamap [int (fret)] | |
| vabc = vvmap [v] | |
| snaar = s.stafflines - int (snaar) | |
| xs = s.tabVceMap.get (vabc, []) | |
| xs.append ('%%%%map tab%d %s print=%s heads=kop%s\n' % (vabc, noot, snaarmap [snaar], fret)) | |
| s.tabVceMap [vabc] = xs | |
| s.koppen [fret] = 1 # collect noteheads for SVG defs | |
| def parse (s, fobj): | |
| vvmapAll = {} # collect xml->abc voice maps (vvmap) of all parts | |
| e = E.parse (fobj) | |
| s.mkTitle (e) | |
| s.doDefaults (e) | |
| partlist = s.doPartList (e) | |
| parts = e.findall ('part') | |
| for ip, p in enumerate (parts): | |
| maten = p.findall ('measure') | |
| s.locStaffMap (p, maten) # {voice -> staff} for this part | |
| s.drumNotes = {} # (xml voice, abc note) -> (midi note, note head) | |
| s.clefOct = {} # xml staff number -> current clef-octave-change | |
| s.curClef = {} # xml staff number -> current abc clef | |
| s.stemDir = {} # xml voice number -> current stem direction | |
| s.tabmap = {} # (xml voice, abc note) -> (string, fret) | |
| s.diafret = 0 # use diatonic fretting | |
| s.stafflines = 5 | |
| s.msc.initVoices (newPart = 1) # create all voices | |
| aantalHerhaald = 0 # keep track of number of repititions | |
| herhaalMaat = 0 # target measure of the repitition | |
| divisions = [] # current value of <divisions> for each measure | |
| s.msr = Measure (ip) # various measure data | |
| while s.msr.ixm < len (maten): | |
| maat = maten [s.msr.ixm] | |
| herhaal, lbrk = 0, '' | |
| s.msr.reset () | |
| s.curalts = {} # passing accidentals are reset each measure | |
| es = list (maat) | |
| for i, e in enumerate (es): | |
| if e.tag == 'note': s.doNote (e) | |
| elif e.tag == 'attributes': s.doAttr (e) | |
| elif e.tag == 'direction': s.doDirection (e, i, es) | |
| elif e.tag == 'sound': s.doDirection (maat, i, es) # sound element directly in measure! | |
| elif e.tag == 'harmony': s.doHarmony (e, i, es) | |
| elif e.tag == 'barline': herhaal = s.doBarline (e) | |
| elif e.tag == 'backup': | |
| dt = int (e.findtext ('duration')) | |
| if chkbug (dt, s.msr): s.msc.incTime (-dt) | |
| elif e.tag == 'forward': | |
| dt = int (e.findtext ('duration')) | |
| if chkbug (dt, s.msr): s.msc.incTime (dt) | |
| elif e.tag == 'print': lbrk = s.doPrint (e) | |
| s.msc.addBar (lbrk, s.msr) | |
| divisions.append (s.msr.divs) | |
| if herhaal == 1: | |
| herhaalMaat = s.msr.ixm | |
| s.msr.ixm += 1 | |
| elif herhaal == 2: | |
| if aantalHerhaald < 1: # jump | |
| s.msr.ixm = herhaalMaat | |
| aantalHerhaald += 1 | |
| else: | |
| aantalHerhaald = 0 # reset | |
| s.msr.ixm += 1 # just continue | |
| else: s.msr.ixm += 1 # on to the next measure | |
| for rv in s.repeat_str.values (): # close hanging measure-repeats without stop | |
| rv [0] = '[I:repeat %s %d]' % (rv [1], 1) | |
| vvmap = s.msc.outVoices (divisions, ip, s.isSib) | |
| s.addStaffMap (vvmap) # update global staff map | |
| s.addMidiMap (ip, vvmap) | |
| vvmapAll.update (vvmap) | |
| if vvmapAll: # skip output if no part has any notes | |
| abcOut.mkHeader (s.gStfMap, partlist, s.midiMap, s.tabVceMap, s.koppen) | |
| abcOut.writeall () | |
| else: info ('nothing written, %s has no notes ...' % abcOut.fnmext) | |
| #---------------- | |
| # Main Program | |
| #---------------- | |
| if __name__ == '__main__': | |
| from optparse import OptionParser | |
| from glob import glob | |
| from zipfile import ZipFile | |
| ustr = '%prog [-h] [-u] [-m] [-c C] [-d D] [-n CPL] [-b BPL] [-o DIR] [-v V]\n' | |
| ustr += '[-x] [-p PFMT] [-t] [-s] [-i] [--v1] [--noped] [--stems] <file1> [<file2> ...]' | |
| parser = OptionParser (usage=ustr, version=str(VERSION)) | |
| parser.add_option ("-u", action="store_true", help="unfold simple repeats") | |
| parser.add_option ("-m", action="store", help="0 -> no %%MIDI, 1 -> minimal %%MIDI, 2-> all %%MIDI", default=0) | |
| parser.add_option ("-c", action="store", type="int", help="set credit text filter to C", default=0, metavar='C') | |
| parser.add_option ("-d", action="store", type="int", help="set L:1/D", default=0, metavar='D') | |
| parser.add_option ("-n", action="store", type="int", help="CPL: max number of characters per line (default 100)", default=0, metavar='CPL') | |
| parser.add_option ("-b", action="store", type="int", help="BPL: max number of bars per line", default=0, metavar='BPL') | |
| parser.add_option ("-o", action="store", help="store abc files in DIR", default='', metavar='DIR') | |
| parser.add_option ("-v", action="store", type="int", help="set volta typesetting behaviour to V", default=0, metavar='V') | |
| parser.add_option ("-x", action="store_true", help="output no line breaks") | |
| parser.add_option ("-p", action="store", help="pageformat PFMT (cm) = scale, pageheight, pagewidth, leftmargin, rightmargin, topmargin, botmargin", default='', metavar='PFMT') | |
| parser.add_option ("-j", action="store_true", help="switch for compatibility with javascript version") | |
| parser.add_option ("-t", action="store_true", help="translate perc- and tab-staff to ABC code with %%map, %%voicemap") | |
| parser.add_option ("-s", action="store_true", help="shift node heads 3 units left in a tab staff") | |
| parser.add_option ("--v1", action="store_true", help="start-stop directions allways to first voice of staff") | |
| parser.add_option ("--noped", action="store_false", help="skip all pedal directions", dest='ped', default=True) | |
| parser.add_option ("--stems", action="store_true", help="translate stem directions", dest='stm', default=False) | |
| parser.add_option ("-i", action="store_true", help="read xml file from standard input") | |
| options, args = parser.parse_args () | |
| if options.n < 0: parser.error ('only values >= 0') | |
| if options.b < 0: parser.error ('only values >= 0') | |
| if options.d and options.d not in [2**n for n in range (10)]: | |
| parser.error ('D should be on of %s' % ','.join ([str(2**n) for n in range (10)])) | |
| options.p = options.p and options.p.split (',') or [] # ==> [] | [string] | |
| if len (args) == 0 and not options.i: parser.error ('no input file given') | |
| pad = options.o | |
| if pad: | |
| if not os.path.exists (pad): os.mkdir (pad) | |
| if not os.path.isdir (pad): parser.error ('%s is not a directory' % pad) | |
| fnmext_list = [] | |
| for i in args: fnmext_list += glob (i) | |
| if options.i: fnmext_list = ['stdin.xml'] | |
| if not fnmext_list: parser.error ('none of the input files exist') | |
| for X, fnmext in enumerate (fnmext_list): | |
| fnm, ext = os.path.splitext (fnmext) | |
| if ext.lower () not in ('.xml','.mxl','.musicxml'): | |
| info ('skipped input file %s, it should have extension .xml or .mxl' % fnmext) | |
| continue | |
| if os.path.isdir (fnmext): | |
| info ('skipped directory %s. Only files are accepted' % fnmext) | |
| continue | |
| if fnmext == 'stdin.xml': | |
| fobj = sys.stdin | |
| elif ext.lower () == '.mxl': # extract .xml file from .mxl file | |
| z = ZipFile(fnmext) | |
| for n in z.namelist(): # assume there is always an xml file in a mxl archive !! | |
| if (n[:4] != 'META') and (n[-4:].lower() == '.xml'): | |
| fobj = z.open (n) | |
| break # assume only one MusicXML file per archive | |
| else: | |
| fobj = open (fnmext, 'rb') # open regular xml file | |
| abcOut = ABCoutput (fnm + '.abc', pad, X, options) # create global ABC output object | |
| psr = Parser (options) # xml parser | |
| try: | |
| psr.parse (fobj) # parse file fobj and write abc to <fnm>.abc | |
| except: | |
| etype, value, traceback = sys.exc_info () # works in python 2 & 3 | |
| info ('** %s occurred: %s in %s' % (etype, value, fnmext), 0) | |