diff --git "a/process_data/utils/abc2xml.py" "b/process_data/utils/abc2xml.py" deleted file mode 100644--- "a/process_data/utils/abc2xml.py" +++ /dev/null @@ -1,2252 +0,0 @@ -#!/usr/bin/env python -# coding=latin-1 -''' -Copyright (C) 2012-2018: Willem G. Vree -Contributions: Nils Liberg, Nicolas Froment, Norman Schmidt, Reinier Maliepaard, Martin Tarenskeen, - Paul Villiger, Alexander Scheutzow, Herbert Schneider, David Randolph, Michael Strasser - -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. . -''' - -from functools import reduce -from pyparsing import Word, OneOrMore, Optional, Literal, NotAny, MatchFirst -from pyparsing import Group, oneOf, Suppress, ZeroOrMore, Combine, FollowedBy -from pyparsing import srange, CharsNotIn, StringEnd, LineEnd, White, Regex -from pyparsing import nums, alphas, alphanums, ParseException, Forward -try: import xml.etree.cElementTree as E -except: import xml.etree.ElementTree as E -import types, sys, os, re, datetime - -VERSION = 245 - -python3 = sys.version_info[0] > 2 -lmap = lambda f, xs: list (map (f, xs)) # eager map for python 3 -if python3: - int_type = int - list_type = list - str_type = str - uni_type = str - stdin = sys.stdin.buffer if sys.stdin else None # read binary if stdin available! -else: - int_type = types.IntType - list_type = types.ListType - str_type = types.StringTypes - uni_type = types.UnicodeType - stdin = sys.stdin - -info_list = [] # diagnostic messages -def info (s, warn=1): - x = (warn and '-- ' or '') + s - info_list.append (x + '\n') # collect messages - if __name__ == '__main__': # only write to stdout when called as main progeam - try: sys.stderr.write (x + '\n') - except: sys.stderr.write (repr (x) + '\n') - -def getInfo (): # get string of diagnostic messages, then clear messages - global info_list - xs = ''.join (info_list) - info_list = [] - return xs - -def abc_grammar (): # header, voice and lyrics grammar for ABC - #----------------------------------------------------------------- - # expressions that catch and skip some syntax errors (see corresponding parse expressions) - #----------------------------------------------------------------- - b1 = Word (u"-,'<>\u2019#", exact=1) # catch misplaced chars in chords - b2 = Regex ('[^H-Wh-w~=]*') # same in user defined symbol definition - b3 = Regex ('[^=]*') # same, second part - - #----------------------------------------------------------------- - # ABC header (field_str elements are matched later with reg. epr's) - #----------------------------------------------------------------- - - number = Word (nums).setParseAction (lambda t: int (t[0])) - field_str = Regex (r'[^]]*') # match anything until end of field - field_str.setParseAction (lambda t: t[0].strip ()) # and strip spacing - - userdef_symbol = Word (srange ('[H-Wh-w~]'), exact=1) - fieldId = oneOf ('K L M Q P I T C O A Z N G H R B D F S E r Y') # info fields - X_field = Literal ('X') + Suppress (':') + field_str - U_field = Literal ('U') + Suppress (':') + b2 + Optional (userdef_symbol, 'H') + b3 + Suppress ('=') + field_str - V_field = Literal ('V') + Suppress (':') + Word (alphanums + '_') + field_str - inf_fld = fieldId + Suppress (':') + field_str - ifield = Suppress ('[') + (X_field | U_field | V_field | inf_fld) + Suppress (']') - abc_header = OneOrMore (ifield) + StringEnd () - - #--------------------------------------------------------------------------------- - # I:score with recursive part groups and {* grand staff marker - #--------------------------------------------------------------------------------- - - voiceId = Suppress (Optional ('*')) + Word (alphanums + '_') - voice_gr = Suppress ('(') + OneOrMore (voiceId | Suppress ('|')) + Suppress (')') - simple_part = voiceId | voice_gr | Suppress ('|') - grand_staff = oneOf ('{* {') + OneOrMore (simple_part) + Suppress ('}') - part = Forward () - part_seq = OneOrMore (part | Suppress ('|')) - brace_gr = Suppress ('{') + part_seq + Suppress ('}') - bracket_gr = Suppress ('[') + part_seq + Suppress (']') - part <<= MatchFirst (simple_part | grand_staff | brace_gr | bracket_gr | Suppress ('|')) - abc_scoredef = Suppress (oneOf ('staves score')) + OneOrMore (part) - - #---------------------------------------- - # ABC lyric lines (white space sensitive) - #---------------------------------------- - - skip_note = oneOf ('* -') - extend_note = Literal ('_') - measure_end = Literal ('|') - syl_str = CharsNotIn ('*-_| \t\n\\]') - syl_chars = Combine (OneOrMore (syl_str | Regex (r'\\.'))) - white = Word (' \t') - syllable = syl_chars + Optional ('-') - lyr_elem = (syllable | skip_note | extend_note | measure_end) + Optional (white).suppress () - lyr_line = Optional (white).suppress () + ZeroOrMore (lyr_elem) - - syllable.setParseAction (lambda t: pObj ('syl', t)) - skip_note.setParseAction (lambda t: pObj ('skip', t)) - extend_note.setParseAction (lambda t: pObj ('ext', t)) - measure_end.setParseAction (lambda t: pObj ('sbar', t)) - lyr_line_wsp = lyr_line.leaveWhitespace () # parse actions must be set before calling leaveWhitespace - - #--------------------------------------------------------------------------------- - # ABC voice (not white space sensitive, beams detected in note/rest parse actions) - #--------------------------------------------------------------------------------- - - inline_field = Suppress ('[') + (inf_fld | U_field | V_field) + Suppress (']') - lyr_fld = Suppress ('[') + Suppress ('w') + Suppress (':') + lyr_line_wsp + Suppress (']') # lyric line - lyr_blk = OneOrMore (lyr_fld) # verses - fld_or_lyr = inline_field | lyr_blk # inline field or block of lyric verses - - note_length = Optional (number, 1) + Group (ZeroOrMore ('/')) + Optional (number, 2) - octaveHigh = OneOrMore ("'").setParseAction (lambda t: len(t)) - octaveLow = OneOrMore (',').setParseAction (lambda t: -len(t)) - octave = octaveHigh | octaveLow - - basenote = oneOf ('C D E F G A B c d e f g a b y') # includes spacer for parse efficiency - accidental = oneOf ('^^ __ ^ _ =') - rest_sym = oneOf ('x X z Z') - slur_beg = oneOf ("( (, (' .( .(, .('") + ~Word (nums) # no tuplet_start - slur_ends = OneOrMore (oneOf (') .)')) - - long_decoration = Combine (oneOf ('! +') + CharsNotIn ('!+ \n') + oneOf ('! +')) - staccato = Literal ('.') + ~Literal ('|') # avoid dotted barline - pizzicato = Literal ('!+!') # special case: plus sign is old style deco marker - decoration = slur_beg | staccato | userdef_symbol | long_decoration | pizzicato - decorations = OneOrMore (decoration) - - tie = oneOf ('.- -') - rest = Optional (accidental) + rest_sym + note_length - pitch = Optional (accidental) + basenote + Optional (octave, 0) - note = pitch + note_length + Optional (tie) + Optional (slur_ends) - dec_note = Optional (decorations) + pitch + note_length + Optional (tie) + Optional (slur_ends) - chord_note = dec_note | rest | b1 - grace_notes = Forward () - chord = Suppress ('[') + OneOrMore (chord_note | grace_notes) + Suppress (']') + note_length + Optional (tie) + Optional (slur_ends) - stem = note | chord | rest - - broken = Combine (OneOrMore ('<') | OneOrMore ('>')) - - tuplet_num = Suppress ('(') + number - tuplet_into = Suppress (':') + Optional (number, 0) - tuplet_notes = Suppress (':') + Optional (number, 0) - tuplet_start = tuplet_num + Optional (tuplet_into + Optional (tuplet_notes)) - - acciaccatura = Literal ('/') - grace_stem = Optional (decorations) + stem - grace_notes <<= Group (Suppress ('{') + Optional (acciaccatura) + OneOrMore (grace_stem) + Suppress ('}')) - - text_expression = Optional (oneOf ('^ _ < > @'), '^') + Optional (CharsNotIn ('"'), "") - chord_accidental = oneOf ('# b =') - triad = oneOf ('ma Maj maj M mi min m aug dim o + -') - seventh = oneOf ('7 ma7 Maj7 M7 maj7 mi7 min7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5') - sixth = oneOf ('6 ma6 M6 mi6 min6 m6') - ninth = oneOf ('9 ma9 M9 maj9 Maj9 mi9 min9 m9') - elevn = oneOf ('11 ma11 M11 maj11 Maj11 mi11 min11 m11') - thirt = oneOf ('13 ma13 M13 maj13 Maj13 mi13 min13 m13') - suspended = oneOf ('sus sus2 sus4') - chord_degree = Combine (Optional (chord_accidental) + oneOf ('2 4 5 6 7 9 11 13')) - chord_kind = Optional (seventh | sixth | ninth | elevn | thirt | triad) + Optional (suspended) - chord_root = oneOf ('C D E F G A B') + Optional (chord_accidental) - chord_bass = oneOf ('C D E F G A B') + Optional (chord_accidental) # needs a different parse action - chordsym = chord_root + chord_kind + ZeroOrMore (chord_degree) + Optional (Suppress ('/') + chord_bass) - chord_sym = chordsym + Optional (Literal ('(') + CharsNotIn (')') + Literal (')')).suppress () - chord_or_text = Suppress ('"') + (chord_sym ^ text_expression) + Suppress ('"') - - volta_nums = Optional ('[').suppress () + Combine (Word (nums) + ZeroOrMore (oneOf (', -') + Word (nums))) - volta_text = Literal ('[').suppress () + Regex (r'"[^"]+"') - volta = volta_nums | volta_text - invisible_barline = oneOf ('[|] []') - dashed_barline = oneOf (': .|') - double_rep = Literal (':') + FollowedBy (':') # otherwise ambiguity with dashed barline - voice_overlay = Combine (OneOrMore ('&')) - bare_volta = FollowedBy (Literal ('[') + Word (nums)) # no barline, but volta follows (volta is parsed in next measure) - bar_left = (oneOf ('[|: |: [: :') + Optional (volta)) | Optional ('|').suppress () + volta | oneOf ('| [|') - bars = ZeroOrMore (':') + ZeroOrMore ('[') + OneOrMore (oneOf ('| ]')) - bar_right = invisible_barline | double_rep | Combine (bars) | dashed_barline | voice_overlay | bare_volta - - errors = ~bar_right + Optional (Word (' \n')) + CharsNotIn (':&|', exact=1) - linebreak = Literal ('$') | ~decorations + Literal ('!') # no need for I:linebreak !!! - element = fld_or_lyr | broken | decorations | stem | chord_or_text | grace_notes | tuplet_start | linebreak | errors - measure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + ZeroOrMore (element) + bar_right + Optional (linebreak) + Optional (lyr_blk)) - noBarMeasure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + OneOrMore (element) + Optional (linebreak) + Optional (lyr_blk)) - abc_voice = ZeroOrMore (measure) + Optional (noBarMeasure | Group (bar_left)) + ZeroOrMore (inline_field).suppress () + StringEnd () - - #---------------------------------------- - # I:percmap note [step] [midi] [note-head] - #---------------------------------------- - - white2 = (white | StringEnd ()).suppress () - w3 = Optional (white2) - percid = Word (alphanums + '-') - step = basenote + Optional (octave, 0) - pitchg = Group (Optional (accidental, '') + step + FollowedBy (white2)) - stepg = Group (step + FollowedBy (white2)) | Literal ('*') - midi = (Literal ('*') | number | pitchg | percid) - nhd = Optional (Combine (percid + Optional ('+')), '') - perc_wsp = Literal ('percmap') + w3 + pitchg + w3 + Optional (stepg, '*') + w3 + Optional (midi, '*') + w3 + nhd - abc_percmap = perc_wsp.leaveWhitespace () - - #---------------------------------------------------------------- - # Parse actions to convert all relevant results into an abstract - # syntax tree where all tree nodes are instances of pObj - #---------------------------------------------------------------- - - ifield.setParseAction (lambda t: pObj ('field', t)) - grand_staff.setParseAction (lambda t: pObj ('grand', t, 1)) # 1 = keep ordered list of results - brace_gr.setParseAction (lambda t: pObj ('bracegr', t, 1)) - bracket_gr.setParseAction (lambda t: pObj ('bracketgr', t, 1)) - voice_gr.setParseAction (lambda t: pObj ('voicegr', t, 1)) - voiceId.setParseAction (lambda t: pObj ('vid', t, 1)) - abc_scoredef.setParseAction (lambda t: pObj ('score', t, 1)) - note_length.setParseAction (lambda t: pObj ('dur', (t[0], (t[2] << len (t[1])) >> 1))) - chordsym.setParseAction (lambda t: pObj ('chordsym', t)) - chord_root.setParseAction (lambda t: pObj ('root', t)) - chord_kind.setParseAction (lambda t: pObj ('kind', t)) - chord_degree.setParseAction (lambda t: pObj ('degree', t)) - chord_bass.setParseAction (lambda t: pObj ('bass', t)) - text_expression.setParseAction (lambda t: pObj ('text', t)) - inline_field.setParseAction (lambda t: pObj ('inline', t)) - lyr_fld.setParseAction (lambda t: pObj ('lyr_fld', t, 1)) - lyr_blk.setParseAction (lambda t: pObj ('lyr_blk', t, 1)) # 1 = keep ordered list of lyric lines - grace_notes.setParseAction (doGrace) - acciaccatura.setParseAction (lambda t: pObj ('accia', t)) - note.setParseAction (noteActn) - rest.setParseAction (restActn) - decorations.setParseAction (lambda t: pObj ('deco', t)) - pizzicato.setParseAction (lambda t: ['!plus!']) # translate !+! - slur_ends.setParseAction (lambda t: pObj ('slurs', t)) - chord.setParseAction (lambda t: pObj ('chord', t, 1)) - dec_note.setParseAction (noteActn) - tie.setParseAction (lambda t: pObj ('tie', t)) - pitch.setParseAction (lambda t: pObj ('pitch', t)) - bare_volta.setParseAction (lambda t: ['|']) # return barline that user forgot - dashed_barline.setParseAction (lambda t: ['.|']) - bar_right.setParseAction (lambda t: pObj ('rbar', t)) - bar_left.setParseAction (lambda t: pObj ('lbar', t)) - broken.setParseAction (lambda t: pObj ('broken', t)) - tuplet_start.setParseAction (lambda t: pObj ('tup', t)) - linebreak.setParseAction (lambda t: pObj ('linebrk', t)) - measure.setParseAction (doMaat) - noBarMeasure.setParseAction (doMaat) - b1.setParseAction (errorWarn) - b2.setParseAction (errorWarn) - b3.setParseAction (errorWarn) - errors.setParseAction (errorWarn) - - return abc_header, abc_voice, abc_scoredef, abc_percmap - -class pObj (object): # every relevant parse result is converted into a pObj - def __init__ (s, name, t, seq=0): # t = list of nested parse results - s.name = name # name uniqueliy identifies this pObj - rest = [] # collect parse results that are not a pObj - attrs = {} # new attributes - for x in t: # nested pObj's become attributes of this pObj - if type (x) == pObj: - attrs [x.name] = attrs.get (x.name, []) + [x] - else: - rest.append (x) # collect non-pObj's (mostly literals) - for name, xs in attrs.items (): - if len (xs) == 1: xs = xs[0] # only list if more then one pObj - setattr (s, name, xs) # create the new attributes - s.t = rest # all nested non-pObj's (mostly literals) - s.objs = seq and t or [] # for nested ordered (lyric) pObj's - - def __repr__ (s): # make a nice string representation of a pObj - r = [] - for nm in dir (s): - if nm.startswith ('_'): continue # skip build in attributes - elif nm == 'name': continue # redundant - else: - x = getattr (s, nm) - if not x: continue # s.t may be empty (list of non-pObj's) - if type (x) == list_type: r.extend (x) - else: r.append (x) - xs = [] - for x in r: # recursively call __repr__ and convert all strings to latin-1 - if isinstance (x, str_type): xs.append (x) # string -> no recursion - else: xs.append (repr (x)) # pObj -> recursive call - return '(' + s.name + ' ' +','.join (xs) + ')' - -global prevloc # global to remember previous match position of a note/rest -prevloc = 0 -def detectBeamBreak (line, loc, t): - global prevloc # location in string 'line' of previous note match - xs = line[prevloc:loc+1] # string between previous and current note match - xs = xs.lstrip () # first note match starts on a space! - prevloc = loc # location in string 'line' of current note match - b = pObj ('bbrk', [' ' in xs]) # space somewhere between two notes -> beambreak - t.insert (0, b) # insert beambreak as a nested parse result - -def noteActn (line, loc, t): # detect beambreak between previous and current note/rest - if 'y' in t[0].t: return [] # discard spacer - detectBeamBreak (line, loc, t) # adds beambreak to parse result t as side effect - return pObj ('note', t) - -def restActn (line, loc, t): # detect beambreak between previous and current note/rest - detectBeamBreak (line, loc, t) # adds beambreak to parse result t as side effect - return pObj ('rest', t) - -def errorWarn (line, loc, t): # warning for misplaced symbols and skip them - if not t[0]: return [] # only warn if catched string not empty - info ('**misplaced symbol: %s' % t[0], warn=0) - lineCopy = line [:] - if loc > 40: - lineCopy = line [loc - 40: loc + 40] - loc = 40 - info (lineCopy.replace ('\n', ' '), warn=0) - info (loc * '-' + '^', warn=0) - return [] - -#------------------------------------------------------------- -# transformations of a measure (called by parse action doMaat) -#------------------------------------------------------------- - -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 doBroken (prev, brk, x): - if not prev: info ('error in broken rhythm: %s' % x); return # no changes - nom1, den1 = prev.dur.t # duration of first note/chord - nom2, den2 = x.dur.t # duration of second note/chord - if brk == '>': - nom1, den1 = simplify (3 * nom1, 2 * den1) - nom2, den2 = simplify (1 * nom2, 2 * den2) - elif brk == '<': - nom1, den1 = simplify (1 * nom1, 2 * den1) - nom2, den2 = simplify (3 * nom2, 2 * den2) - elif brk == '>>': - nom1, den1 = simplify (7 * nom1, 4 * den1) - nom2, den2 = simplify (1 * nom2, 4 * den2) - elif brk == '<<': - nom1, den1 = simplify (1 * nom1, 4 * den1) - nom2, den2 = simplify (7 * nom2, 4 * den2) - else: return # give up - prev.dur.t = nom1, den1 # change duration of previous note/chord - x.dur.t = nom2, den2 # and current note/chord - -def convertBroken (t): # convert broken rhythms to normal note durations - prev = None # the last note/chord before the broken symbol - brk = '' # the broken symbol - remove = [] # indexes to broken symbols (to be deleted) in measure - for i, x in enumerate (t): # scan all elements in measure - if x.name == 'note' or x.name == 'chord' or x.name == 'rest': - if brk: # a broken symbol was encountered before - doBroken (prev, brk, x) # change duration previous note/chord/rest and current one - brk = '' - else: - prev = x # remember the last note/chord/rest - elif x.name == 'broken': - brk = x.t[0] # remember the broken symbol (=string) - remove.insert (0, i) # and its index, highest index first - for i in remove: del t[i] # delete broken symbols from high to low - -def ptc2midi (n): # convert parsed pitch attribute to a midi number - pt = getattr (n, 'pitch', '') - if pt: - p = pt.t - if len (p) == 3: acc, step, oct = p - else: acc = ''; step, oct = p - nUp = step.upper () - oct = (4 if nUp == step else 5) + int (oct) - midi = oct * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (nUp)] + {'^':1,'_':-1}.get (acc, 0) + 12 - else: midi = 130 # all non pitch objects first - return midi - -def convertChord (t): # convert chord to sequence of notes in musicXml-style - ins = [] - for i, x in enumerate (t): - if x.name == 'chord': - if hasattr (x, 'rest') and not hasattr (x, 'note'): # chords containing only rests - if type (x.rest) == list_type: x.rest = x.rest[0] # more rests == one rest - ins.insert (0, (i, [x.rest])) # just output a single rest, no chord - continue - num1, den1 = x.dur.t # chord duration - tie = getattr (x, 'tie', None) # chord tie - slurs = getattr (x, 'slurs', []) # slur endings - if type (x.note) != list_type: x.note = [x.note] # when chord has only one note ... - elms = []; j = 0 # sort chord notes, highest first - nss = sorted (x.objs, key = ptc2midi, reverse=1) if mxm.orderChords else x.objs - for nt in nss: # all chord elements (note | decorations | rest | grace note) - if nt.name == 'note': - num2, den2 = nt.dur.t # note duration * chord duration - nt.dur.t = simplify (num1 * num2, den1 * den2) - if tie: nt.tie = tie # tie on all chord notes - if j == 0 and slurs: nt.slurs = slurs # slur endings only on first chord note - if j > 0: nt.chord = pObj ('chord', [1]) # label all but first as chord notes - else: # remember all pitches of the chord in the first note - pitches = [n.pitch for n in x.note] # to implement conversion of erroneous ties to slurs - nt.pitches = pObj ('pitches', pitches) - j += 1 - if nt.name not in ['dur','tie','slurs','rest']: elms.append (nt) - ins.insert (0, (i, elms)) # chord position, [note|decotation|grace note] - for i, notes in ins: # insert from high to low - for nt in reversed (notes): - t.insert (i+1, nt) # insert chord notes after chord - del t[i] # remove chord itself - -def doMaat (t): # t is a Group() result -> the measure is in t[0] - convertBroken (t[0]) # remove all broken rhythms and convert to normal durations - convertChord (t[0]) # replace chords by note sequences in musicXML style - -def doGrace (t): # t is a Group() result -> the grace sequence is in t[0] - convertChord (t[0]) # a grace sequence may have chords - for nt in t[0]: # flag all notes within the grace sequence - if nt.name == 'note': nt.grace = 1 # set grace attribute - return t[0] # ungroup the parse result -#-------------------- -# musicXML generation -#---------------------------------- - -def compChordTab (): # avoid some typing work: returns mapping constant {ABC chordsyms -> musicXML kind} - maj, min, aug, dim, dom, ch7, ch6, ch9, ch11, ch13, hd = 'major minor augmented diminished dominant -seventh -sixth -ninth -11th -13th half-diminished'.split () - triad = zip ('ma Maj maj M mi min m aug dim o + -'.split (), [maj, maj, maj, maj, min, min, min, aug, dim, dim, aug, min]) - seventh = zip ('7 ma7 Maj7 M7 maj7 mi7 min7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5'.split (), - [dom, maj+ch7, maj+ch7, maj+ch7, maj+ch7, min+ch7, min+ch7, min+ch7, dim+ch7, dim+ch7, min+ch7, aug+ch7, aug+ch7, hd, hd]) - sixth = zip ('6 ma6 M6 mi6 min6 m6'.split (), [maj+ch6, maj+ch6, maj+ch6, min+ch6, min+ch6, min+ch6]) - ninth = zip ('9 ma9 M9 maj9 Maj9 mi9 min9 m9'.split (), [dom+ch9, maj+ch9, maj+ch9, maj+ch9, maj+ch9, min+ch9, min+ch9, min+ch9]) - elevn = zip ('11 ma11 M11 maj11 Maj11 mi11 min11 m11'.split (), [dom+ch11, maj+ch11, maj+ch11, maj+ch11, maj+ch11, min+ch11, min+ch11, min+ch11]) - thirt = zip ('13 ma13 M13 maj13 Maj13 mi13 min13 m13'.split (), [dom+ch13, maj+ch13, maj+ch13, maj+ch13, maj+ch13, min+ch13, min+ch13, min+ch13]) - sus = zip ('sus sus4 sus2'.split (), ['suspended-fourth', 'suspended-fourth', 'suspended-second']) - return dict (list (triad) + list (seventh) + list (sixth) + list (ninth) + list (elevn) + list (thirt) + list (sus)) - -def addElem (parent, child, level): - indent = 2 - chldrn = list (parent) - if chldrn: - chldrn[-1].tail += indent * ' ' - else: - parent.text = '\n' + level * indent * ' ' - parent.append (child) - child.tail = '\n' + (level-1) * indent * ' ' - -def addElemT (parent, tag, text, level): - e = E.Element (tag) - e.text = text - addElem (parent, e, level) - return e - -def mkTmod (tmnum, tmden, lev): - tmod = E.Element ('time-modification') - addElemT (tmod, 'actual-notes', str (tmnum), lev + 1) - addElemT (tmod, 'normal-notes', str (tmden), lev + 1) - return tmod - -def addDirection (parent, elems, lev, gstaff, subelms=[], placement='below', cue_on=0): - dir = E.Element ('direction', placement=placement) - addElem (parent, dir, lev) - if type (elems) != list_type: elems = [(elems, subelms)] # ugly hack to provide for multiple direction types - for elem, subelms in elems: # add direction types - typ = E.Element ('direction-type') - addElem (dir, typ, lev + 1) - addElem (typ, elem, lev + 2) - for subel in subelms: addElem (elem, subel, lev + 3) - if cue_on: addElem (dir, E.Element ('level', size='cue'), lev + 1) - if gstaff: addElemT (dir, 'staff', str (gstaff), lev + 1) - return dir - -def removeElems (root_elem, parent_str, elem_str): - for p in root_elem.findall (parent_str): - e = p.find (elem_str) - if e != None: p.remove (e) - -def alignLyr (vce, lyrs): - empty_el = pObj ('leeg', '*') - for k, lyr in enumerate (lyrs): # lyr = one full line of lyrics - i = 0 # syl counter - for elem in vce: # reiterate the voice block for each lyrics line - if elem.name == 'note' and not (hasattr (elem, 'chord') or hasattr (elem, 'grace')): - if i >= len (lyr): lr = empty_el - else: lr = lyr [i] - lr.t[0] = lr.t[0].replace ('%5d',']') - elem.objs.append (lr) - if lr.name != 'sbar': i += 1 - if elem.name == 'rbar' and i < len (lyr) and lyr[i].name == 'sbar': i += 1 - return vce - -slur_move = re.compile (r'(?<][<>]?)(\)+)') # (? I: - x2 = r1.sub ('', x) # remove comment - while x2.endswith ('*') and not (x2.startswith ('w:') or x2.startswith ('+:') or 'percmap' in x2): - x2 = x2[:-1] # remove old syntax for right adjusting - if not x2: continue # empty line - if x2[:2] == 'W:': - field = x2 [2:].strip () - ftype = mxm.metaMap.get ('W', 'W') # respect the (user defined --meta) mapping of various ABC fields to XML meta data types - c = mxm.metadata.get (ftype, '') - mxm.metadata [ftype] = c + '\n' + field if c else field # concatenate multiple info fields with new line as separator - continue # skip W: lyrics - if x2[:2] == '+:': # field continuation - fln += x2[2:] - continue - ro = r2.match (x2) # single field on a line - if ro: # field -> inline_field, escape all ']' - if fcont: # old style \-info-continuation active - fcont = x2 [-1] == '\\' # possible further \-info-continuation - fln += re.sub (r'^.:(.*?)\\*$', r'\1', x2) # add continuation, remove .: and \ - continue - if fln: mln += escField (fln) - if x2.startswith ('['): x2 = x2.strip ('[]') - fcont = x2 [-1] == '\\' # first encounter of old style \-info-continuation - fln = x2.rstrip ('\\') # remove continuation from field and inline brackets - continue - if nx == 1: # x2 is a new music line - fcont = 0 # stop \-continuations (-> only adjacent \-info-continuations are joined) - if fln: - mln += escField (fln) - fln = '' - if mcont: - mcont = x2 [-1] == '\\' - mln += x2.rstrip ('\\') - else: - if mln: xs.append (mln); mln = '' - mcont = x2 [-1] == '\\' - mln = x2.rstrip ('\\') - if not mcont: xs.append (mln); mln = '' - if fln: mln += escField (fln) - if mln: xs.append (mln) - - hs = re.split (r'(\[K:[^]]*\])', xs [0]) # look for end of header K: - if len (hs) == 1: header = hs[0]; xs [0] = '' # no K: present - else: header = hs [0] + hs [1]; xs [0] = ''.join (hs[2:]) # h[1] is the first K: - abctext = '\n'.join (xs) # the rest is body text - hfs, vfs = [], [] - for x in header[1:-1].split (']['): - if x[0] == 'V': vfs.append (x) # filter voice- and midi-definitions - elif x[:6] == 'I:MIDI': vfs.append (x) # from the header to vfs - elif x[:9] == 'I:percmap': vfs.append (x) # and also percmap - else: hfs.append (x) # all other fields stay in header - header = '[' + ']['.join (hfs) + ']' # restore the header - abctext = ('[' + ']['.join (vfs) + ']' if vfs else '') + abctext # prepend voice/midi from header before abctext - - xs = abctext.split ('[V:') - if len (xs) == 1: abctext = '[V:1]' + abctext # abc has no voice defs at all - elif re.sub (r'\[[A-Z]:[^]]*\]', '', xs[0]).strip (): # remove inline fields from starting text, if any - abctext = '[V:1]' + abctext # abc with voices has no V: at start - - r1 = re.compile (r'\[V:\s*(\S*)[ \]]') # get voice id from V: field (skip spaces betwee V: and ID) - vmap = {} # {voice id -> [voice abc string]} - vorder = {} # mark document order of voices - xs = re.split (r'(\[V:[^]]*\])', abctext) # split on every V-field (V-fields included in split result list) - if len (xs) == 1: raise ValueError ('bugs ...') - else: - pm = re.findall (r'\[P:.\]', xs[0]) # all P:-marks after K: but before first V: - if pm: xs[2] = ''.join (pm) + xs[2] # prepend P:-marks to the text of the first voice - header += re.sub (r'\[P:.\]', '', xs[0]) # clear all P:-marks from text between K: and first V: and put text in the header - i = 1 - while i < len (xs): # xs = ['', V-field, voice abc, V-field, voice abc, ...] - vce, abc = xs[i:i+2] - id = r1.search (vce).group (1) # get voice ID from V-field - if not id: id, vce = '1', '[V:1]' # voice def has no ID - vmap[id] = vmap.get (id, []) + [vce, abc] # collect abc-text for each voice id (include V-fields) - if id not in vorder: vorder [id] = i # store document order of first occurrence of voice id - i += 2 - voices = [] - ixs = sorted ([(i, id) for id, i in vorder.items ()]) # restore document order of voices - for i, id in ixs: - voice = ''.join (vmap [id]) # all abc of one voice - voice = fixSlurs (voice) # put slurs right after the notes - voices.append ((id, voice)) - return header, voices - -def mergeMeasure (m1, m2, slur_offset, voice_offset, rOpt, is_grand=0, is_overlay=0): - slurs = m2.findall ('note/notations/slur') - for slr in slurs: - slrnum = int (slr.get ('number')) + slur_offset - slr.set ('number', str (slrnum)) # make unique slurnums in m2 - vs = m2.findall ('note/voice') # set all voice number elements in m2 - for v in vs: v.text = str (voice_offset + int (v.text)) - ls = m1.findall ('note/lyric') # all lyric elements in m1 - lnum_max = max ([int (l.get ('number')) for l in ls] + [0]) # highest lyric number in m1 - ls = m2.findall ('note/lyric') # update lyric elements in m2 - for el in ls: - n = int (el.get ('number')) - el.set ('number', str (n + lnum_max)) - ns = m1.findall ('note') # determine the total duration of m1, subtract all backups - dur1 = sum (int (n.find ('duration').text) for n in ns - if n.find ('grace') == None and n.find ('chord') == None) - dur1 -= sum (int (b.text) for b in m1.findall ('backup/duration')) - repbar, nns, es = 0, 0, [] # nns = number of real notes in m2 - for e in list (m2): # scan all elements of m2 - if e.tag == 'attributes': - if not is_grand: continue # no attribute merging for normal voices - else: nns += 1 # but we do merge (clef) attributes for a grand staff - if e.tag == 'print': continue - if e.tag == 'note' and (rOpt or e.find ('rest') == None): nns += 1 - if e.tag == 'barline' and e.find ('repeat') != None: repbar = e; - es.append (e) # buffer elements to be merged - if nns > 0: # only merge if m2 contains any real notes - if dur1 > 0: # only insert backup if duration of m1 > 0 - b = E.Element ('backup') - addElem (m1, b, level=3) - addElemT (b, 'duration', str (dur1), level=4) - for e in es: addElem (m1, e, level=3) # merge buffered elements of m2 - elif is_overlay and repbar: addElem (m1, repbar, level=3) # merge repeat in empty overlay - -def mergePartList (parts, rOpt, is_grand=0): # merge parts, make grand staff when is_grand true - - def delAttrs (part): # for the time being we only keep clef attributes - xs = [(m, e) for m in part.findall ('measure') for e in m.findall ('attributes')] - for m, e in xs: - for c in list (e): - if c.tag == 'clef': continue # keep clef attribute - if c.tag == 'staff-details': continue # keep staff-details attribute - e.remove (c) # delete all other attrinutes for higher staff numbers - if len (list (e)) == 0: m.remove (e) # remove empty attributes element - - p1 = parts[0] - for p2 in parts[1:]: - if is_grand: delAttrs (p2) # delete all attributes except clef - for i in range (len (p1) + 1, len (p2) + 1): # second part longer than first one - maat = E.Element ('measure', number = str(i)) # append empty measures - addElem (p1, maat, 2) - slurs = p1.findall ('measure/note/notations/slur') # find highest slur num in first part - slur_max = max ([int (slr.get ('number')) for slr in slurs] + [0]) - vs = p1.findall ('measure/note/voice') # all voice number elements in first part - vnum_max = max ([int (v.text) for v in vs] + [0]) # highest voice number in first part - for im, m2 in enumerate (p2.findall ('measure')): # merge all measures of p2 into p1 - mergeMeasure (p1[im], m2, slur_max, vnum_max, rOpt, is_grand) # may change slur numbers in p1 - return p1 - -def mergeParts (parts, vids, staves, rOpt, is_grand=0): - if not staves: return parts, vids # no voice mapping - partsnew, vidsnew = [], [] - for voice_ids in staves: - pixs = [] - for vid in voice_ids: - if vid in vids: pixs.append (vids.index (vid)) - else: info ('score partname %s does not exist' % vid) - if pixs: - xparts = [parts[pix] for pix in pixs] - if len (xparts) > 1: mergedpart = mergePartList (xparts, rOpt, is_grand) - else: mergedpart = xparts [0] - partsnew.append (mergedpart) - vidsnew.append (vids [pixs[0]]) - return partsnew, vidsnew - -def mergePartMeasure (part, msre, ovrlaynum, rOpt): # merge msre into last measure of part, only for overlays - slur_offset = 0; # slur numbers determined by the slurstack size (as in a single voice) - last_msre = list (part)[-1] # last measure in part - mergeMeasure (last_msre, msre, slur_offset, ovrlaynum, rOpt, is_overlay=1) # voice offset = s.overlayVNum - -def pushSlur (boogStapel, stem): - if stem not in boogStapel: boogStapel [stem] = [] # initialize slurstack for stem - boognum = sum (map (len, boogStapel.values ())) + 1 # number of open slurs in all (overlay) voices - boogStapel [stem].append (boognum) - return boognum - -def setFristVoiceNameFromGroup (vids, vdefs): # vids = [vid], vdef = {vid -> (name, subname, voicedef)} - vids = [v for v in vids if v in vdefs] # only consider defined voices - if not vids: return vdefs - vid0 = vids [0] # first vid of the group - _, _, vdef0 = vdefs [vid0] # keep de voice definition (vdef0) when renaming vid0 - for vid in vids: - nm, snm, vdef = vdefs [vid] - if nm: # first non empty name encountered will become - vdefs [vid0] = nm, snm, vdef0 # name of merged group == name of first voice in group (vid0) - break - return vdefs - -def mkGrand (p, vdefs): # transform parse subtree into list needed for s.grands - xs = [] - for i, x in enumerate (p.objs): # changing p.objs [i] alters the tree. changing x has no effect on the tree. - if type (x) == pObj: - us = mkGrand (x, vdefs) # first get transformation results of current pObj - if x.name == 'grand': # x.objs contains ordered list of nested parse results within x - vids = [y.objs[0] for y in x.objs[1:]] # the voice ids in the grand staff - nms = [vdefs [u][0] for u in vids if u in vdefs] # the names of those voices - accept = sum ([1 for nm in nms if nm]) == 1 # accept as grand staff when only one of the voices has a name - if accept or us[0] == '{*': - xs.append (us[1:]) # append voice ids as a list (discard first item '{' or '{*') - vdefs = setFristVoiceNameFromGroup (vids, vdefs) - p.objs [i] = x.objs[1] # replace voices by first one in the grand group (this modifies the parse tree) - else: - xs.extend (us[1:]) # extend current result with all voice ids of rejected grand staff - else: xs.extend (us) # extend current result with transformed pObj - else: xs.append (p.t[0]) # append the non pObj (== voice id string) - return xs - -def mkStaves (p, vdefs): # transform parse tree into list needed for s.staves - xs = [] - for i, x in enumerate (p.objs): # structure and comments identical to mkGrand - if type (x) == pObj: - us = mkStaves (x, vdefs) - if x.name == 'voicegr': - xs.append (us) - vids = [y.objs[0] for y in x.objs] - vdefs = setFristVoiceNameFromGroup (vids, vdefs) - p.objs [i] = x.objs[0] - else: - xs.extend (us) - else: - if p.t[0] not in '{*': xs.append (p.t[0]) - return xs - -def mkGroups (p): # transform parse tree into list needed for s.groups - xs = [] - for x in p.objs: - if type (x) == pObj: - if x.name == 'vid': xs.extend (mkGroups (x)) - elif x.name == 'bracketgr': xs.extend (['['] + mkGroups (x) + [']']) - elif x.name == 'bracegr': xs.extend (['{'] + mkGroups (x) + ['}']) - else: xs.extend (mkGroups (x) + ['}']) # x.name == 'grand' == rejected grand staff - else: - xs.append (p.t[0]) - return xs - -def stepTrans (step, soct, clef): # [A-G] (1...8) - if clef.startswith ('bass'): - nm7 = 'C,D,E,F,G,A,B'.split (',') - n = 14 + nm7.index (step) - 12 # two octaves extra to avoid negative numbers - step, soct = nm7 [n % 7], soct + n // 7 - 2 # subtract two octaves again - return step, soct - -def reduceMids (parts, vidsnew, midiInst): # remove redundant instruments from a part - for pid, part in zip (vidsnew, parts): - mids, repls, has_perc = {}, {}, 0 - for ipid, ivid, ch, prg, vol, pan in sorted (list (midiInst.values ())): - if ipid != pid: continue # only instruments from part pid - if ch == '10': has_perc = 1; continue # only consider non percussion instruments - instId, inst = 'I%s-%s' % (ipid, ivid), (ch, prg) - if inst in mids: # midi instrument already defined in this part - repls [instId] = mids [inst] # remember to replace instId by inst (see below) - del midiInst [instId] # instId is redundant - else: mids [inst] = instId # collect unique instruments in this part - if len (mids) < 2 and not has_perc: # only one instrument used -> no instrument tags needed in notes - removeElems (part, 'measure/note', 'instrument') # no instrument tag needed for one- or no-instrument parts - else: - for e in part.findall ('measure/note/instrument'): - id = e.get ('id') # replace all redundant instrument Id's - if id in repls: e.set ('id', repls [id]) - -class stringAlloc: - def __init__ (s): - s.snaarVrij = [] # [[(t1, t2) ...] for each string ] - s.snaarIx = [] # index in snaarVrij for each string - s.curstaff = -1 # staff being allocated - def beginZoek (s): # reset snaarIx at start of each voice - s.snaarIx = [] - for i in range (len (s.snaarVrij)): s.snaarIx.append (0) - def setlines (s, stflines, stfnum): - if stfnum != s.curstaff: # initialize for new staff - s.curstaff = stfnum - s.snaarVrij = [] - for i in range (stflines): s.snaarVrij.append ([]) - s.beginZoek () - def isVrij (s, snaar, t1, t2): # see if string snaar is free between t1 and t2 - xs = s.snaarVrij [snaar] - for i in range (s.snaarIx [snaar], len (xs)): - tb, te = xs [i] - if t1 >= te: continue # te_prev < t1 <= te - if t1 >= tb: s.snaarIx [snaar] = i; return 0 # tb <= t1 < te - if t2 > tb: s.snaarIx [snaar] = i; return 0 # t1 < tb < t2 - s.snaarIx [snaar] = i; # remember position for next call - xs.insert (i, (t1,t2)) # te_prev < t1 < t2 < tb - return 1 - xs.append ((t1,t2)) - s.snaarIx [snaar] = len (xs) - 1 - return 1 - def bezet (s, snaar, t1, t2): # force allocation of note (t1,t2) on string snaar - xs = s.snaarVrij [snaar] - for i, (tb, te) in enumerate (xs): - if t1 >= te: continue # te_prev < t1 <= te - xs.insert (i, (t1, t2)) - return - xs.append ((t1,t2)) - -class MusicXml: - typeMap = {1:'long', 2:'breve', 4:'whole', 8:'half', 16:'quarter', 32:'eighth', 64:'16th', 128:'32nd', 256:'64th'} - dynaMap = {'p':1,'pp':1,'ppp':1,'pppp':1,'f':1,'ff':1,'fff':1,'ffff':1,'mp':1,'mf':1,'sfz':1} - tempoMap = {'larghissimo':40, 'moderato':104, 'adagissimo':44, 'allegretto':112, 'lentissimo':48, 'allegro':120, 'largo':56, - 'vivace':168, 'adagio':59, 'vivo':180, 'lento':62, 'presto':192, 'larghetto':66, 'allegrissimo':208, 'adagietto':76, - 'vivacissimo':220, 'andante':88, 'prestissimo':240, 'andantino':96} - wedgeMap = {'>(':1, '>)':1, '<(':1,'<)':1,'crescendo(':1,'crescendo)':1,'diminuendo(':1,'diminuendo)':1} - artMap = {'.':'staccato','>':'accent','accent':'accent','wedge':'staccatissimo','tenuto':'tenuto', - 'breath':'breath-mark','marcato':'strong-accent','^':'strong-accent','slide':'scoop'} - ornMap = {'trill':'trill-mark','T':'trill-mark','turn':'turn','uppermordent':'inverted-mordent','lowermordent':'mordent', - 'pralltriller':'inverted-mordent','mordent':'mordent','turn':'turn','invertedturn':'inverted-turn'} - tecMap = {'upbow':'up-bow', 'downbow':'down-bow', 'plus':'stopped','open':'open-string','snap':'snap-pizzicato', - 'thumb':'thumb-position'} - capoMap = {'fine':('Fine','fine','yes'), 'D.S.':('D.S.','dalsegno','segno'), 'D.C.':('D.C.','dacapo','yes'),'dacapo':('D.C.','dacapo','yes'), - 'dacoda':('To Coda','tocoda','coda'), 'coda':('coda','coda','coda'), 'segno':('segno','segno','segno')} - 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, 'm':11, 'min':11, 'mix':9, 'dor':10, 'phr':12, 'lyd':7, 'loc':13} - modTab = {'maj':'major', 'm':'minor', 'min':'minor', 'mix':'mixolydian', 'dor':'dorian', 'phr':'phrygian', 'lyd':'lydian', 'loc':'locrian'} - clefMap = { 'alto1':('C','1'), 'alto2':('C','2'), 'alto':('C','3'), 'alto4':('C','4'), 'tenor':('C','4'), - 'bass3':('F','3'), 'bass':('F','4'), 'treble':('G','2'), 'perc':('percussion',''), 'none':('',''), 'tab':('TAB','5')} - clefLineMap = {'B':'treble', 'G':'alto1', 'E':'alto2', 'C':'alto', 'A':'tenor', 'F':'bass3', 'D':'bass'} - alterTab = {'=':'0', '_':'-1', '__':'-2', '^':'1', '^^':'2'} - accTab = {'=':'natural', '_':'flat', '__':'flat-flat', '^':'sharp', '^^':'sharp-sharp'} - chordTab = compChordTab () - uSyms = {'~':'roll', 'H':'fermata','L':'>','M':'lowermordent','O':'coda', - 'P':'uppermordent','S':'segno','T':'trill','u':'upbow','v':'downbow'} - pageFmtDef = [0.75,297,210,18,18,10,10] # the abcm2ps page formatting defaults for A4 - metaTab = {'O':'origin', 'A':'area', 'Z':'transcription', 'N':'notes', 'G':'group', 'H':'history', 'R':'rhythm', - 'B':'book', 'D':'discography', 'F':'fileurl', 'S':'source', 'P':'partmap', 'W':'lyrics'} - metaMap = {'C':'composer'} # mapping of composer is fixed - metaTypes = {'composer':1,'lyricist':1,'poet':1,'arranger':1,'translator':1, 'rights':1} # valid MusicXML meta data types - tuningDef = 'E2,A2,D3,G3,B3,E4'.split (',') # default string tuning (guitar) - - def __init__ (s): - s.pageFmtCmd = [] # set by command line option -p - s.reset () - def reset (s, fOpt=False): - s.divisions = 2520 # xml duration of 1/4 note, 2^3 * 3^2 * 5 * 7 => 5,7,9 tuplets - s.ties = {} # {abc pitch tuple -> alteration} for all open ties - s.slurstack = {} # stack of open slur numbers per (overlay) voice - s.slurbeg = [] # type of slurs to start (when slurs are detected at element-level) - s.tmnum = 0 # time modification, numerator - s.tmden = 0 # time modification, denominator - s.ntup = 0 # number of tuplet notes remaining - s.trem = 0 # number of bars for tremolo - s.intrem = 0 # mark tremolo sequence (for duration doubling) - s.tupnts = [] # all tuplet modifiers with corresp. durations: [(duration, modifier), ...] - s.irrtup = 0 # 1 if an irregular tuplet - s.ntype = '' # the normal-type of a tuplet (== duration type of a normal tuplet note) - s.unitL = (1, 8) # default unit length - s.unitLcur = (1, 8) # unit length of current voice - s.keyAlts = {} # alterations implied by key - s.msreAlts = {} # temporarily alterations - s.curVolta = '' # open volta bracket - s.title = '' # title of music - s.creator = {} # {creator-type -> creator string} - s.metadata = {} # {metadata-type -> string} - s.lyrdash = {} # {lyric number -> 1 if dash between syllables} - s.usrSyms = s.uSyms # user defined symbols - s.prevNote = None # xml element of previous beamed note to correct beams (start, continue) - s.prevLyric = {} # xml element of previous lyric to add/correct extend type (start, continue) - s.grcbbrk = False # remember any bbrk in a grace sequence - s.linebrk = 0 # 1 if next measure should start with a line break - s.nextdecos = [] # decorations for the next note - s.prevmsre = None # the previous measure - s.supports_tag = 0 # issue supports-tag in xml file when abc uses explicit linebreaks - s.staveDefs = [] # collected %%staves or %%score instructions from score - s.staves = [] # staves = [[voice names to be merged into one stave]] - s.groups = [] # list of merged part names with interspersed {[ and }] - s.grands = [] # [[vid1, vid2, ..], ...] voiceIds to be merged in a grand staff - s.gStaffNums = {} # map each voice id in a grand staff to a staff number - s.gNstaves = {} # map each voice id in a grand staff to total number of staves - s.pageFmtAbc = [] # formatting from abc directives - s.mdur = (4,4) # duration of one measure - s.gtrans = 0 # octave transposition (by clef) - s.midprg = ['', '', '', ''] # MIDI channel nr, program nr, volume, panning for the current part - s.vid = '' # abc voice id for the current voice - s.pid = '' # xml part id for the current voice - s.gcue_on = 0 # insert tag in each note - s.percVoice = 0 # 1 if percussion enabled - s.percMap = {} # (part-id, abc_pitch, xml-octave) -> (abc staff step, midi note number, xml notehead) - s.pMapFound = 0 # at least one I:percmap has been found - s.vcepid = {} # voice_id -> part_id - s.midiInst = {} # inst_id -> (part_id, voice_id, channel, midi_number), remember instruments used - s.capo = 0 # fret position of the capodastro - s.tunmid = [] # midi numbers of strings - s.tunTup = [] # ordered midi numbers of strings [(midi_num, string_num), ...] (midi_num from high to low) - s.fOpt = fOpt # force string/fret allocations for tab staves - s.orderChords = 0 # order notes in a chord - s.chordDecos = {} # decos that should be distributed to all chord notes for xml - ch10 = 'acoustic-bass-drum,35;bass-drum-1,36;side-stick,37;acoustic-snare,38;hand-clap,39;electric-snare,40;low-floor-tom,41;closed-hi-hat,42;high-floor-tom,43;pedal-hi-hat,44;low-tom,45;open-hi-hat,46;low-mid-tom,47;hi-mid-tom,48;crash-cymbal-1,49;high-tom,50;ride-cymbal-1,51;chinese-cymbal,52;ride-bell,53;tambourine,54;splash-cymbal,55;cowbell,56;crash-cymbal-2,57;vibraslap,58;ride-cymbal-2,59;hi-bongo,60;low-bongo,61;mute-hi-conga,62;open-hi-conga,63;low-conga,64;high-timbale,65;low-timbale,66;high-agogo,67;low-agogo,68;cabasa,69;maracas,70;short-whistle,71;long-whistle,72;short-guiro,73;long-guiro,74;claves,75;hi-wood-block,76;low-wood-block,77;mute-cuica,78;open-cuica,79;mute-triangle,80;open-triangle,81' - s.percsnd = [x.split (',') for x in ch10.split (';')] # {name -> midi number} of standard channel 10 sound names - s.gTime = (0,0) # (XML begin time, XML end time) in divisions - s.tabStaff = '' # == pid (part ID) for a tab staff - - def mkPitch (s, acc, note, oct, lev): - if s.percVoice: # percussion map switched off by perc=off (see doClef) - octq = int (oct) + s.gtrans # honour the octave= transposition when querying percmap - tup = s.percMap.get ((s.pid, acc+note, octq), s.percMap.get (('', acc+note, octq), 0)) - if tup: step, soct, midi, notehead = tup - else: step, soct = note, octq - octnum = (4 if step.upper() == step else 5) + int (soct) - if not tup: # add percussion map for unmapped notes in this part - midi = str (octnum * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (step.upper())] + {'^':1,'_':-1}.get (acc, 0) + 12) - notehead = {'^':'x', '_':'circle-x'}.get (acc, 'normal') - if s.pMapFound: info ('no I:percmap for: %s%s in part %s, voice %s' % (acc+note, -oct*',' if oct<0 else oct*"'", s.pid, s.vid)) - s.percMap [(s.pid, acc+note, octq)] = (note, octq, midi, notehead) - else: # correct step value for clef - step, octnum = stepTrans (step.upper (), octnum, s.curClef) - pitch = E.Element ('unpitched') - addElemT (pitch, 'display-step', step.upper (), lev + 1) - addElemT (pitch, 'display-octave', str (octnum), lev + 1) - return pitch, '', midi, notehead - nUp = note.upper () - octnum = (4 if nUp == note else 5) + int (oct) + s.gtrans - pitch = E.Element ('pitch') - addElemT (pitch, 'step', nUp, lev + 1) - alter = '' - if (note, oct) in s.ties: - tied_alter, _, vnum, _ = s.ties [(note,oct)] # vnum = overlay voice number when tie started - if vnum == s.overlayVnum: alter = tied_alter # tied note in the same overlay -> same alteration - elif acc: - s.msreAlts [(nUp, octnum)] = s.alterTab [acc] - alter = s.alterTab [acc] # explicit notated alteration - elif (nUp, octnum) in s.msreAlts: alter = s.msreAlts [(nUp, octnum)] # temporary alteration - elif nUp in s.keyAlts: alter = s.keyAlts [nUp] # alteration implied by the key - if alter: addElemT (pitch, 'alter', alter, lev + 1) - addElemT (pitch, 'octave', str (octnum), lev + 1) - return pitch, alter, '', '' - - def getNoteDecos (s, n): - decos = s.nextdecos # decorations encountered so far - ndeco = getattr (n, 'deco', 0) # possible decorations of notes of a chord - if ndeco: # add decorations, translate used defined symbols - decos += [s.usrSyms.get (d, d).strip ('!+') for d in ndeco.t] - s.nextdecos = [] - if s.tabStaff == s.pid and s.fOpt and n.name != 'rest': # force fret/string allocation if explicit string decoration is missing - if [d for d in decos if d in '0123456789'] == []: decos.append ('0') - return decos - - def mkNote (s, n, lev): - isgrace = getattr (n, 'grace', '') - ischord = getattr (n, 'chord', '') - if s.ntup >= 0 and not isgrace and not ischord: - s.ntup -= 1 # count tuplet notes only on non-chord, non grace notes - if s.ntup == -1 and s.trem <= 0: - s.intrem = 0 # tremolo pair ends at first note that is not a new tremolo pair (s.trem > 0) - nnum, nden = n.dur.t # abc dutation of note - if s.intrem: nnum += nnum # double duration of tremolo duplets - if nden == 0: nden = 1 # occurs with illegal ABC like: "A2 1". Now interpreted as A2/1 - num, den = simplify (nnum * s.unitLcur[0], nden * s.unitLcur[1]) # normalised with unit length - if den > 64: # limit denominator to 64 - num = int (round (64 * float (num) / den)) # scale note to num/64 - num, den = simplify (max ([num, 1]), 64) # smallest num == 1 - info ('duration too small: rounded to %d/%d' % (num, den)) - if n.name == 'rest' and ('Z' in n.t or 'X' in n.t): - num, den = s.mdur # duration of one measure - noMsrRest = not (n.name == 'rest' and (num, den) == s.mdur) # not a measure rest - dvs = (4 * s.divisions * num) // den # divisions is xml-duration of 1/4 - rdvs = dvs # real duration (will be 0 for chord/grace) - num, den = simplify (num, den * 4) # scale by 1/4 for s.typeMap - ndot = 0 - if num == 3 and noMsrRest: ndot = 1; den = den // 2 # look for dotted notes - if num == 7 and noMsrRest: ndot = 2; den = den // 4 - nt = E.Element ('note') - if isgrace: # a grace note (and possibly a chord note) - grace = E.Element ('grace') - if s.acciatura: grace.set ('slash', 'yes'); s.acciatura = 0 - addElem (nt, grace, lev + 1) - dvs = rdvs = 0 # no (real) duration for a grace note - if den <= 16: den = 32 # not longer than 1/8 for a grace note - if s.gcue_on: # insert cue tag - cue = E.Element ('cue') - addElem (nt, cue, lev + 1) - if ischord: # a chord note - chord = E.Element ('chord') - addElem (nt, chord, lev + 1) - rdvs = 0 # chord notes no real duration - if den not in s.typeMap: # take the nearest smaller legal duration - info ('illegal duration %d/%d' % (nnum, nden)) - den = min (x for x in s.typeMap.keys () if x > den) - xmltype = str (s.typeMap [den]) # xml needs the note type in addition to duration - acc, step, oct = '', 'C', '0' # abc-notated pitch elements (accidental, pitch step, octave) - alter, midi, notehead = '', '', '' # xml alteration - if n.name == 'rest': - if 'x' in n.t or 'X' in n.t: nt.set ('print-object', 'no') - rest = E.Element ('rest') - if not noMsrRest: rest.set ('measure', 'yes') - addElem (nt, rest, lev + 1) - else: - p = n.pitch.t # get pitch elements from parsed tokens - if len (p) == 3: acc, step, oct = p - else: step, oct = p - pitch, alter, midi, notehead = s.mkPitch (acc, step, oct, lev + 1) - if midi: acc = '' # erase accidental for percussion notes - addElem (nt, pitch, lev + 1) - if s.ntup >= 0: # modify duration for tuplet notes - dvs = dvs * s.tmden // s.tmnum - if dvs: - addElemT (nt, 'duration', str (dvs), lev + 1) # skip when dvs == 0, requirement of musicXML - if not ischord: s.gTime = s.gTime [1], s.gTime [1] + dvs - ptup = (step, oct) # pitch tuple without alteration to check for ties - tstop = ptup in s.ties and s.ties[ptup][2] == s.overlayVnum # open tie on this pitch tuple in this overlay - if tstop: - tie = E.Element ('tie', type='stop') - addElem (nt, tie, lev + 1) - if getattr (n, 'tie', 0): - tie = E.Element ('tie', type='start') - addElem (nt, tie, lev + 1) - if (s.midprg != ['', '', '', ''] or midi) and n.name != 'rest': # only add when %%midi was present or percussion - instId = 'I%s-%s' % (s.pid, 'X' + midi if midi else s.vid) - chan, midi = ('10', midi) if midi else s.midprg [:2] - inst = E.Element ('instrument', id=instId) # instrument id for midi - addElem (nt, inst, lev + 1) - if instId not in s.midiInst: s.midiInst [instId] = (s.pid, s.vid, chan, midi, s.midprg [2], s.midprg [3]) # for instrument list in mkScorePart - addElemT (nt, 'voice', '1', lev + 1) # default voice, for merging later - if noMsrRest: addElemT (nt, 'type', xmltype, lev + 1) # add note type if not a measure rest - for i in range (ndot): # add dots - dot = E.Element ('dot') - addElem (nt, dot, lev + 1) - decos = s.getNoteDecos (n) # get decorations for this note - if acc and not tstop: # only add accidental if note not tied - e = E.Element ('accidental') - if 'courtesy' in decos: - e.set ('parentheses', 'yes') - decos.remove ('courtesy') - e.text = s.accTab [acc] - addElem (nt, e, lev + 1) - tupnotation = '' # start/stop notation element for tuplets - if s.ntup >= 0: # add time modification element for tuplet notes - tmod = mkTmod (s.tmnum, s.tmden, lev + 1) - addElem (nt, tmod, lev + 1) - if s.ntup > 0 and not s.tupnts: tupnotation = 'start' - s.tupnts.append ((rdvs, tmod)) # remember all tuplet modifiers with corresp. durations - if s.ntup == 0: # last tuplet note (and possible chord notes there after) - if rdvs: tupnotation = 'stop' # only insert notation in the real note (rdvs > 0) - s.cmpNormType (rdvs, lev + 1) # compute and/or add normal-type elements (-> s.ntype) - hasStem = 1 - if not ischord: s.chordDecos = {} # clear on non chord note - if 'stemless' in decos or (s.nostems and n.name != 'rest') or 'stemless' in s.chordDecos: - hasStem = 0 - addElemT (nt, 'stem', 'none', lev + 1) - if 'stemless' in decos: decos.remove ('stemless') # do not handle in doNotations - if hasattr (n, 'pitches'): s.chordDecos ['stemless'] = 1 # set on first chord note - if notehead: - nh = addElemT (nt, 'notehead', re.sub (r'[+-]$', '', notehead), lev + 1) - if notehead[-1] in '+-': nh.set ('filled', 'yes' if notehead[-1] == '+' else 'no') - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - if gstaff: addElemT (nt, 'staff', str (gstaff), lev + 1) - if hasStem: s.doBeams (n, nt, den, lev + 1) # no stems -> no beams in a tab staff - s.doNotations (n, decos, ptup, alter, tupnotation, tstop, nt, lev + 1) - if n.objs: s.doLyr (n, nt, lev + 1) - else: s.prevLyric = {} # clear on note without lyrics - return nt - - def cmpNormType (s, rdvs, lev): # compute the normal-type of a tuplet (only needed for Finale) - if rdvs: # the last real tuplet note (chord notes can still follow afterwards with rdvs == 0) - durs = [dur for dur, tmod in s.tupnts if dur > 0] - ndur = sum (durs) // s.tmnum # duration of the normal type - s.irrtup = any ((dur != ndur) for dur in durs) # irregular tuplet - tix = 16 * s.divisions // ndur # index in typeMap of normal-type duration - if tix in s.typeMap: - s.ntype = str (s.typeMap [tix]) # the normal-type - else: s.irrtup = 0 # give up, no normal type possible - if s.irrtup: # only add normal-type for irregular tuplets - for dur, tmod in s.tupnts: # add normal-type to all modifiers - addElemT (tmod, 'normal-type', s.ntype, lev + 1) - s.tupnts = [] # reset the tuplet buffer - - def doNotations (s, n, decos, ptup, alter, tupnotation, tstop, nt, lev): - slurs = getattr (n, 'slurs', 0) # slur ends - pts = getattr (n, 'pitches', []) # all chord notes available in the first note - ov = s.overlayVnum # current overlay voice number (0 for the main voice) - if pts: # make list of pitches in chord: [(pitch, octave), ..] - if type (pts.pitch) == pObj: pts = [pts.pitch] # chord with one note - else: pts = [tuple (p.t[-2:]) for p in pts.pitch] # normal chord - for pt, (tie_alter, nts, vnum, ntelm) in sorted (list (s.ties.items ())): # scan all open ties and delete illegal ones - if vnum != s.overlayVnum: continue # tie belongs to different overlay - if pts and pt in pts: continue # pitch tuple of tie exists in chord - if getattr (n, 'chord', 0): continue # skip chord notes - if pt == ptup: continue # skip correct single note tie - if getattr (n, 'grace', 0): continue # skip grace notes - info ('tie between different pitches: %s%s converted to slur' % pt) - del s.ties [pt] # remove the note from pending ties - e = [t for t in ntelm.findall ('tie') if t.get ('type') == 'start'][0] # get the tie start element - ntelm.remove (e) # delete start tie element - e = [t for t in nts.findall ('tied') if t.get ('type') == 'start'][0] # get the tied start element - e.tag = 'slur' # convert tie into slur - slurnum = pushSlur (s.slurstack, ov) - e.set ('number', str (slurnum)) - if slurs: slurs.t.append (')') # close slur on this note - else: slurs = pObj ('slurs', [')']) - tstart = getattr (n, 'tie', 0) # start a new tie - if not (tstop or tstart or decos or slurs or s.slurbeg or tupnotation or s.trem): return nt - nots = E.Element ('notations') # notation element needed - if s.trem: # +/- => tuple tremolo sequence / single note tremolo - if s.trem < 0: tupnotation = 'single'; s.trem = -s.trem - if not tupnotation: return # only add notation at first or last note of a tremolo sequence - orn = E.Element ('ornaments') - trm = E.Element ('tremolo', type=tupnotation) # type = start, stop or single - trm.text = str (s.trem) # the number of bars in a tremolo note - addElem (nots, orn, lev + 1) - addElem (orn, trm, lev + 2) - if tupnotation == 'stop' or tupnotation == 'single': s.trem = 0 - elif tupnotation: # add tuplet type - tup = E.Element ('tuplet', type=tupnotation) - if tupnotation == 'start': tup.set ('bracket', 'yes') - addElem (nots, tup, lev + 1) - if tstop: # stop tie - del s.ties[ptup] # remove flag - tie = E.Element ('tied', type='stop') - addElem (nots, tie, lev + 1) - if tstart: # start a tie - s.ties[ptup] = (alter, nots, s.overlayVnum, nt) # remember pitch tuple to stop tie and apply same alteration - tie = E.Element ('tied', type='start') - if tstart.t[0] == '.-': tie.set ('line-type', 'dotted') - addElem (nots, tie, lev + 1) - if decos: # look for slurs and decorations - slurMap = { '(':1, '.(':1, '(,':1, "('":1, '.(,':1, ".('":1 } - arts = [] # collect articulations - for d in decos: # do all slurs and decos - if d in slurMap: s.slurbeg.append (d); continue # slurs made in while loop at the end - elif d == 'fermata' or d == 'H': - ntn = E.Element ('fermata', type='upright') - elif d == 'arpeggio': - ntn = E.Element ('arpeggiate', number='1') - elif d in ['~(', '~)']: - if d[1] == '(': tp = 'start'; s.glisnum += 1; gn = s.glisnum - else: tp = 'stop'; gn = s.glisnum; s.glisnum -= 1 - if s.glisnum < 0: s.glisnum = 0; continue # stop without previous start - ntn = E.Element ('glissando', {'line-type':'wavy', 'number':'%d' % gn, 'type':tp}) - elif d in ['-(', '-)']: - if d[1] == '(': tp = 'start'; s.slidenum += 1; gn = s.slidenum - else: tp = 'stop'; gn = s.slidenum; s.slidenum -= 1 - if s.slidenum < 0: s.slidenum = 0; continue # stop without previous start - ntn = E.Element ('slide', {'line-type':'solid', 'number':'%d' % gn, 'type':tp}) - else: arts.append (d); continue - addElem (nots, ntn, lev + 1) - if arts: # do only note articulations and collect staff annotations in xmldecos - rest = s.doArticulations (nt, nots, arts, lev + 1) - if rest: info ('unhandled note decorations: %s' % rest) - if slurs: # these are only slur endings - for d in slurs.t: # slurs to be closed on this note - if not s.slurstack.get (ov, 0): break # no more open old slurs for this (overlay) voice - slurnum = s.slurstack [ov].pop () - slur = E.Element ('slur', number='%d' % slurnum, type='stop') - addElem (nots, slur, lev + 1) - while s.slurbeg: # create slurs beginning on this note - stp = s.slurbeg.pop (0) - slurnum = pushSlur (s.slurstack, ov) - ntn = E.Element ('slur', number='%d' % slurnum, type='start') - if '.' in stp: ntn.set ('line-type', 'dotted') - if ',' in stp: ntn.set ('placement', 'below') - if "'" in stp: ntn.set ('placement', 'above') - addElem (nots, ntn, lev + 1) - if list (nots) != []: # only add notations if not empty - addElem (nt, nots, lev) - - def doArticulations (s, nt, nots, arts, lev): - decos = [] - for a in arts: - if a in s.artMap: - art = E.Element ('articulations') - addElem (nots, art, lev) - addElem (art, E.Element (s.artMap[a]), lev + 1) - elif a in s.ornMap: - orn = E.Element ('ornaments') - addElem (nots, orn, lev) - addElem (orn, E.Element (s.ornMap[a]), lev + 1) - elif a in ['trill(','trill)']: - orn = E.Element ('ornaments') - addElem (nots, orn, lev) - type = 'start' if a.endswith ('(') else 'stop' - if type == 'start': addElem (orn, E.Element ('trill-mark'), lev + 1) - addElem (orn, E.Element ('wavy-line', type=type), lev + 1) - elif a in s.tecMap: - tec = E.Element ('technical') - addElem (nots, tec, lev) - addElem (tec, E.Element (s.tecMap[a]), lev + 1) - elif a in '0123456': - tec = E.Element ('technical') - addElem (nots, tec, lev) - if s.tabStaff == s.pid: # current voice belongs to a tabStaff - alt = int (nt.findtext ('pitch/alter') or 0) # find midi number of current note - step = nt.findtext ('pitch/step') - oct = int (nt.findtext ('pitch/octave')) - midi = oct * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (step)] + alt + 12 - if a == '0': # no string annotation: find one - firstFit = '' - for smid, istr in s.tunTup: # midi numbers of open strings from high to low - if midi >= smid: # highest open string where this note can be played - isvrij = s.strAlloc.isVrij (istr - 1, s.gTime [0], s.gTime [1]) - a = str (istr) # string number - if not firstFit: firstFit = a - if isvrij: break - if not isvrij: # no free string, take the first fit (lowest fret) - a = firstFit - s.strAlloc.bezet (int (a) - 1, s.gTime [0], s.gTime [1]) - else: # force annotated string number - s.strAlloc.bezet (int (a) - 1, s.gTime [0], s.gTime [1]) - bmidi = s.tunmid [int (a) - 1] # midi number of allocated string (with capodastro) - fret = midi - bmidi # fret position (respecting capodastro) - if fret < 25 and fret >= 0: - addElemT (tec, 'fret', str (fret), lev + 1) - else: - altp = 'b' if alt == -1 else '#' if alt == 1 else '' - info ('fret %d out of range, note %s%d on string %s' % (fret, step+altp, oct, a)) - addElemT (tec, 'string', a, lev + 1) - else: - addElemT (tec, 'fingering', a, lev + 1) - else: decos.append (a) # return staff annotations - return decos - - def doLyr (s, n, nt, lev): - for i, lyrobj in enumerate (n.objs): - lyrel = E.Element ('lyric', number = str (i + 1)) - if lyrobj.name == 'syl': - dash = len (lyrobj.t) == 2 - if dash: - if i in s.lyrdash: type = 'middle' - else: type = 'begin'; s.lyrdash [i] = 1 - else: - if i in s.lyrdash: type = 'end'; del s.lyrdash [i] - else: type = 'single' - addElemT (lyrel, 'syllabic', type, lev + 1) - txt = lyrobj.t[0] # the syllabe - txt = re.sub (r'(? continue - pext.set ('type', 'continue') - ext = E.Element ('extend', type = 'stop') # always stop on current extend - addElem (lyrel, ext, lev + 1) - elif lyrobj.name == 'ext': info ('lyric extend error'); continue - else: continue # skip other lyric elements or errors - addElem (nt, lyrel, lev) - s.prevLyric [i] = lyrel # for extension (melisma) on the next note - - def doBeams (s, n, nt, den, lev): - if hasattr (n, 'chord') or hasattr (n, 'grace'): - s.grcbbrk = s.grcbbrk or n.bbrk.t[0] # remember if there was any bbrk in or before a grace sequence - return - bbrk = s.grcbbrk or n.bbrk.t[0] or den < 32 - s.grcbbrk = False - if not s.prevNote: pbm = None - else: pbm = s.prevNote.find ('beam') - bm = E.Element ('beam', number='1') - bm.text = 'begin' - if pbm != None: - if bbrk: - if pbm.text == 'begin': - s.prevNote.remove (pbm) - elif pbm.text == 'continue': - pbm.text = 'end' - s.prevNote = None - else: bm.text = 'continue' - if den >= 32 and n.name != 'rest': - addElem (nt, bm, lev) - s.prevNote = nt - - def stopBeams (s): - if not s.prevNote: return - pbm = s.prevNote.find ('beam') - if pbm != None: - if pbm.text == 'begin': - s.prevNote.remove (pbm) - elif pbm.text == 'continue': - pbm.text = 'end' - s.prevNote = None - - def staffDecos (s, decos, maat, lev): - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - for d in decos: - d = s.usrSyms.get (d, d).strip ('!+') # try to replace user defined symbol - if d in s.dynaMap: - dynel = E.Element ('dynamics') - addDirection (maat, dynel, lev, gstaff, [E.Element (d)], 'below', s.gcue_on) - elif d in s.wedgeMap: # wedge - if ')' in d: type = 'stop' - else: type = 'crescendo' if '<' in d or 'crescendo' in d else 'diminuendo' - addDirection (maat, E.Element ('wedge', type=type), lev, gstaff) - elif d.startswith ('8v'): - if 'a' in d: type, plce = 'down', 'above' - else: type, plce = 'up', 'below' - if ')' in d: type = 'stop' - addDirection (maat, E.Element ('octave-shift', type=type, size='8'), lev, gstaff, placement=plce) - elif d in (['ped','ped-up']): - type = 'stop' if d.endswith ('up') else 'start' - addDirection (maat, E.Element ('pedal', type=type), lev, gstaff) - elif d in ['coda', 'segno']: - text, attr, val = s.capoMap [d] - dir = addDirection (maat, E.Element (text), lev, gstaff, placement='above') - sound = E.Element ('sound'); sound.set (attr, val) - addElem (dir, sound, lev + 1) - elif d in s.capoMap: - text, attr, val = s.capoMap [d] - words = E.Element ('words'); words.text = text - dir = addDirection (maat, words, lev, gstaff, placement='above') - sound = E.Element ('sound'); sound.set (attr, val) - addElem (dir, sound, lev + 1) - elif d == '(' or d == '.(': s.slurbeg.append (d) # start slur on next note - elif d in ['/-','//-','///-','////-']: # duplet tremolo sequence - s.tmnum, s.tmden, s.ntup, s.trem, s.intrem = 2, 1, 2, len (d) - 1, 1 - elif d in ['/','//','///']: s.trem = - len (d) # single note tremolo - elif d == 'rbstop': s.rbStop = 1; # sluit een open volta aan het eind van de maat - else: s.nextdecos.append (d) # keep annotation for the next note - - def doFields (s, maat, fieldmap, lev): - def instDir (midelm, midnum, dirtxt): - instId = 'I%s-%s' % (s.pid, s.vid) - words = E.Element ('words'); words.text = dirtxt % midnum - snd = E.Element ('sound') - mi = E.Element ('midi-instrument', id=instId) - dir = addDirection (maat, words, lev, gstaff, placement='above') - addElem (dir, snd, lev + 1) - addElem (snd, mi, lev + 2) - addElemT (mi, midelm, midnum, lev + 3) - def addTrans (n): - e = E.Element ('transpose') - addElemT (e, 'chromatic', n, lev + 2) # n == signed number string given after transpose - atts.append ((9, e)) - def doClef (field): - if re.search (r'perc|map', field): # percussion clef or new style perc=on or map=perc - r = re.search (r'(perc|map)\s*=\s*(\S*)', field) - s.percVoice = 0 if r and r.group (2) not in ['on','true','perc'] else 1 - field = re.sub (r'(perc|map)\s*=\s*(\S*)', '', field) # erase the perc= for proper clef matching - clef, gtrans = 0, 0 - clefn = re.search (r'alto1|alto2|alto4|alto|tenor|bass3|bass|treble|perc|none|tab', field) - clefm = re.search (r"(?:^m=| m=|middle=)([A-Ga-g])([,']*)", field) - trans_oct2 = re.search (r'octave=([-+]?\d)', field) - trans = re.search (r'(?:^t=| t=|transpose=)(-?[\d]+)', field) - trans_oct = re.search (r'([+-^_])(8|15)', field) - cue_onoff = re.search (r'cue=(on|off)', field) - strings = re.search (r"strings=(\S+)", field) - stafflines = re.search (r'stafflines=\s*(\d)', field) - capo = re.search (r'capo=(\d+)', field) - if clefn: - clef = clefn.group () - if clefm: - note, octstr = clefm.groups () - nUp = note.upper () - octnum = (4 if nUp == note else 5) + (len (octstr) if "'" in octstr else -len (octstr)) - gtrans = (3 if nUp in 'AFD' else 4) - octnum - if clef not in ['perc', 'none']: clef = s.clefLineMap [nUp] - if clef: - s.gtrans = gtrans # only change global tranposition when a clef is really defined - if clef != 'none': s.curClef = clef # keep track of current abc clef (for percmap) - sign, line = s.clefMap [clef] - if not sign: return - c = E.Element ('clef') - if gstaff: c.set ('number', str (gstaff)) # only add staff number when defined - addElemT (c, 'sign', sign, lev + 2) - if line: addElemT (c, 'line', line, lev + 2) - if trans_oct: - n = trans_oct.group (1) in '-_' and -1 or 1 - if trans_oct.group (2) == '15': n *= 2 # 8 => 1 octave, 15 => 2 octaves - addElemT (c, 'clef-octave-change', str (n), lev + 2) # transpose print out - if trans_oct.group (1) in '+-': s.gtrans += n # also transpose all pitches with one octave - atts.append ((7, c)) - if trans_oct2: # octave= can also be in a K: field - n = int (trans_oct2.group (1)) - s.gtrans = gtrans + n - if trans != None: # add transposition in semitones - e = E.Element ('transpose') - addElemT (e, 'chromatic', str (trans.group (1)), lev + 3) - atts.append ((9, e)) - if cue_onoff: s.gcue_on = cue_onoff.group (1) == 'on' - nlines = 0 - if clef == 'tab': - s.tabStaff = s.pid - if capo: s.capo = int (capo.group (1)) - if strings: s.tuning = strings.group (1).split (',') - s.tunmid = [int (boct) * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (bstep)] + 12 + s.capo for bstep, boct in s.tuning] - s.tunTup = sorted (zip (s.tunmid, range (len (s.tunmid), 0, -1)), reverse=1) - s.tunmid.reverse () - nlines = str (len (s.tuning)) - s.strAlloc.setlines (len (s.tuning), s.pid) - s.nostems = 'nostems' in field # tab clef without stems - s.diafret = 'diafret' in field # tab with diatonic fretting - if stafflines or nlines: - e = E.Element ('staff-details') - if gstaff: e.set ('number', str (gstaff)) # only add staff number when defined - if not nlines: nlines = stafflines.group (1) - addElemT (e, 'staff-lines', nlines, lev + 2) - if clef == 'tab': - for line, t in enumerate (s.tuning): - st = E.Element ('staff-tuning', line=str(line+1)) - addElemT (st, 'tuning-step', t[0], lev + 3) - addElemT (st, 'tuning-octave', t[1], lev + 3) - addElem (e, st, lev + 2) - if s.capo: addElemT (e, 'capo', str (s.capo), lev + 2) - atts.append ((8, e)) - s.diafret = 0 # chromatic fretting is default - atts = [] # collect xml attribute elements [(order-number, xml-element), ..] - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - for ftype, field in fieldmap.items (): - if not field: # skip empty fields - continue - if ftype == 'Div': # not an abc field, but handled as if - d = E.Element ('divisions') - d.text = field - atts.append ((1, d)) - elif ftype == 'gstaff': # make grand staff - e = E.Element ('staves') - e.text = str (field) - atts.append ((4, e)) - elif ftype == 'M': - if field == 'none': continue - if field == 'C': field = '4/4' - elif field == 'C|': field = '2/2' - t = E.Element ('time') - if '/' not in field: - info ('M:%s not recognized, 4/4 assumed' % field) - field = '4/4' - beats, btype = field.split ('/')[:2] - try: s.mdur = simplify (eval (beats), int (btype)) # measure duration for Z and X rests (eval allows M:2+3/4) - except: - info ('error in M:%s, 4/4 assumed' % field) - s.mdur = (4,4) - beats, btype = '4','4' - addElemT (t, 'beats', beats, lev + 2) - addElemT (t, 'beat-type', btype, lev + 2) - atts.append ((3, t)) - elif ftype == 'K': - accs = ['F','C','G','D','A','E','B'] # == s.sharpness [7:14] - mode = '' - key = re.match (r'\s*([A-G][#b]?)\s*([a-zA-Z]*)', field) - alts = re.search (r'\s((\s?[=^_][A-Ga-g])+)', ' ' + field) # avoid matching middle=G and m=G - if key: - key, mode = key.groups () - mode = mode.lower ()[:3] # only first three chars, no case - if mode not in s.offTab: mode = 'maj' - fifths = s.sharpness.index (key) - s.offTab [mode] - if fifths >= 0: s.keyAlts = dict (zip (accs[:fifths], fifths * ['1'])) - else: s.keyAlts = dict (zip (accs[fifths:], -fifths * ['-1'])) - elif field.startswith ('none') or field == '': # the default key - fifths = 0 - mode = 'maj' - if alts: - alts = re.findall (r'[=^_][A-Ga-g]', alts.group(1)) # list of explicit alterations - alts = [(x[1], s.alterTab [x[0]]) for x in alts] # [step, alter] - for step, alter in alts: # correct permanent alterations for this key - s.keyAlts [step.upper ()] = alter - k = E.Element ('key') - koctave = [] - lowerCaseSteps = [step.upper () for step, alter in alts if step.islower ()] - for step, alter in sorted (list (s.keyAlts.items ())): - if alter == '0': # skip neutrals - del s.keyAlts [step.upper ()] # otherwise you get neutral signs on normal notes - continue - addElemT (k, 'key-step', step.upper (), lev + 2) - addElemT (k, 'key-alter', alter, lev + 2) - koctave.append ('5' if step in lowerCaseSteps else '4') - if koctave: # only key signature if not empty - for oct in koctave: - e = E.Element ('key-octave', number=oct) - addElem (k, e, lev + 2) - atts.append ((2, k)) - elif mode: - k = E.Element ('key') - addElemT (k, 'fifths', str (fifths), lev + 2) - addElemT (k, 'mode', s.modTab [mode], lev + 2) - atts.append ((2, k)) - doClef (field) - elif ftype == 'L': - try: s.unitLcur = lmap (int, field.split ('/')) - except: s.unitLcur = (1,8) - if len (s.unitLcur) == 1 or s.unitLcur[1] not in s.typeMap: - info ('L:%s is not allowed, 1/8 assumed' % field) - s.unitLcur = 1,8 - elif ftype == 'V': - doClef (field) - elif ftype == 'I': - s.doField_I (ftype, field, instDir, addTrans) - elif ftype == 'Q': - s.doTempo (maat, field, lev) - elif ftype == 'P': # ad hoc translation of P: into a staff text direction - words = E.Element ('rehearsal') - words.set ('font-weight', 'bold') - words.text = field - addDirection (maat, words, lev, gstaff, placement='above') - elif ftype in 'TCOAZNGHRBDFSU': - info ('**illegal header field in body: %s, content: %s' % (ftype, field)) - else: - info ('unhandled field: %s, content: %s' % (ftype, field)) - - if atts: - att = E.Element ('attributes') # insert sub elements in the order required by musicXML - addElem (maat, att, lev) - for _, att_elem in sorted (atts, key=lambda x: x[0]): # ordering ! - addElem (att, att_elem, lev + 1) - if s.diafret: - other = E.Element ('other-direction'); other.text = 'diatonic fretting' - addDirection (maat, other, lev, 0) - - def doTempo (s, maat, field, lev): - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - t = re.search (r'(\d)/(\d\d?)\s*=\s*(\d[.\d]*)|(\d[.\d]*)', field) - rtxt = re.search (r'"([^"]*)"', field) # look for text in Q: field - if not t and not rtxt: return - elems = [] # [(element, sub-elements)] will be added as direction-types - if rtxt: - num, den, upm = 1, 4, s.tempoMap.get (rtxt.group (1).lower ().strip (), 120) - words = E.Element ('words'); words.text = rtxt.group (1) - elems.append ((words, [])) - if t: - try: - if t.group (4): num, den, upm = 1, s.unitLcur[1] , float (t.group (4)) # old syntax Q:120 - else: num, den, upm = int (t.group (1)), int (t.group (2)), float (t.group (3)) - except: info ('conversion error: %s' % field); return - num, den = simplify (num, den); - dotted, den_not = (1, den // 2) if num == 3 else (0, den) - metro = E.Element ('metronome') - u = E.Element ('beat-unit'); u.text = s.typeMap.get (4 * den_not, 'quarter') - pm = E.Element ('per-minute'); pm.text = ('%.2f' % upm).rstrip ('0').rstrip ('.') - subelms = [u, E.Element ('beat-unit-dot'), pm] if dotted else [u, pm] - elems.append ((metro, subelms)) - dir = addDirection (maat, elems, lev, gstaff, [], placement='above') - if num != 1 and num != 3: info ('in Q: numerator in %d/%d not supported' % (num, den)) - qpm = 4. * num * upm / den - sound = E.Element ('sound'); sound.set ('tempo', '%.2f' % qpm) - addElem (dir, sound, lev + 1) - - def mkBarline (s, maat, loc, lev, style='', dir='', ending=''): - b = E.Element ('barline', location=loc) - if style: - addElemT (b, 'bar-style', style, lev + 1) - if s.curVolta: # first stop a current volta - end = E.Element ('ending', number=s.curVolta, type='stop') - s.curVolta = '' - if loc == 'left': # stop should always go to a right barline - bp = E.Element ('barline', location='right') - addElem (bp, end, lev + 1) - addElem (s.prevmsre, bp, lev) # prevmsre has no right barline! (ending would have stopped there) - else: - addElem (b, end, lev + 1) - if ending: - ending = ending.replace ('-',',') # MusicXML only accepts comma's - endtxt = '' - if ending.startswith ('"'): # ending is a quoted string - endtxt = ending.strip ('"') - ending = '33' # any number that is not likely to occur elsewhere - end = E.Element ('ending', number=ending, type='start') - if endtxt: end.text = endtxt # text appears in score in stead of number attribute - addElem (b, end, lev + 1) - s.curVolta = ending - if dir: - r = E.Element ('repeat', direction=dir) - addElem (b, r, lev + 1) - addElem (maat, b, lev) - - def doChordSym (s, maat, sym, lev): - alterMap = {'#':'1','=':'0','b':'-1'} - rnt = sym.root.t - chord = E.Element ('harmony') - addElem (maat, chord, lev) - root = E.Element ('root') - addElem (chord, root, lev + 1) - addElemT (root, 'root-step', rnt[0], lev + 2) - if len (rnt) == 2: addElemT (root, 'root-alter', alterMap [rnt[1]], lev + 2) - kind = s.chordTab.get (sym.kind.t[0], 'major') if sym.kind.t else 'major' - addElemT (chord, 'kind', kind, lev + 1) - if hasattr (sym, 'bass'): - bnt = sym.bass.t - bass = E.Element ('bass') - addElem (chord, bass, lev + 1) - addElemT (bass, 'bass-step', bnt[0], lev + 2) - if len (bnt) == 2: addElemT (bass, 'bass-alter', alterMap [bnt[1]], lev + 2) - degs = getattr (sym, 'degree', '') - if degs: - if type (degs) != list_type: degs = [degs] - for deg in degs: - deg = deg.t[0] - if deg[0] == '#': alter = '1'; deg = deg[1:] - elif deg[0] == 'b': alter = '-1'; deg = deg[1:] - else: alter = '0'; deg = deg - degree = E.Element ('degree') - addElem (chord, degree, lev + 1) - addElemT (degree, 'degree-value', deg, lev + 2) - addElemT (degree, 'degree-alter', alter, lev + 2) - addElemT (degree, 'degree-type', 'add', lev + 2) - - def mkMeasure (s, i, t, lev, fieldmap={}): - s.msreAlts = {} - s.ntup, s.trem, s.intrem = -1, 0, 0 - s.acciatura = 0 # next grace element gets acciatura attribute - s.rbStop = 0 # sluit een open volta aan het eind van de maat - overlay = 0 - maat = E.Element ('measure', number = str(i)) - if fieldmap: s.doFields (maat, fieldmap, lev + 1) - if s.linebrk: # there was a line break in the previous measure - e = E.Element ('print') - e.set ('new-system', 'yes') - addElem (maat, e, lev + 1) - s.linebrk = 0 - for it, x in enumerate (t): - if x.name == 'note' or x.name == 'rest': - if x.dur.t[0] == 0: # a leading zero was used for stemmless in abcm2ps, we only support !stemless! - x.dur.t = tuple ([1, x.dur.t[1]]) - note = s.mkNote (x, lev + 1) - addElem (maat, note, lev + 1) - elif x.name == 'lbar': - bar = x.t[0] - if bar == '|' or bar == '[|': pass # skip redundant bar - elif ':' in bar: # forward repeat - volta = x.t[1] if len (x.t) == 2 else '' - s.mkBarline (maat, 'left', lev + 1, style='heavy-light', dir='forward', ending=volta) - else: # bar must be a volta number - s.mkBarline (maat, 'left', lev + 1, ending=bar) - elif x.name == 'rbar': - bar = x.t[0] - if bar == '.|': - s.mkBarline (maat, 'right', lev + 1, style='dotted') - elif ':' in bar: # backward repeat - s.mkBarline (maat, 'right', lev + 1, style='light-heavy', dir='backward') - elif bar == '||': - s.mkBarline (maat, 'right', lev + 1, style='light-light') - elif bar == '[|]' or bar == '[]': - s.mkBarline (maat, 'right', lev + 1, style='none') - elif '[' in bar or ']' in bar: - s.mkBarline (maat, 'right', lev + 1, style='light-heavy') - elif bar == '|' and s.rbStop: # normale barline hoeft niet, behalve om een volta te stoppen - s.mkBarline (maat, 'right', lev + 1, style='regular') - elif bar[0] == '&': overlay = 1 - elif x.name == 'tup': - if len (x.t) == 3: n, into, nts = x.t - elif len (x.t) == 2: n, into, nts = x.t + [0] - else: n, into, nts = x.t[0], 0, 0 - if into == 0: into = 3 if n in [2,4,8] else 2 - if nts == 0: nts = n - s.tmnum, s.tmden, s.ntup = n, into, nts - elif x.name == 'deco': - s.staffDecos (x.t, maat, lev + 1) # output staff decos, postpone note decos to next note - elif x.name == 'text': - pos, text = x.t[:2] - place = 'above' if pos == '^' else 'below' - words = E.Element ('words') - words.text = text - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - addDirection (maat, words, lev + 1, gstaff, placement=place) - elif x.name == 'inline': - fieldtype, fieldval = x.t[0], ' '.join (x.t[1:]) - s.doFields (maat, {fieldtype:fieldval}, lev + 1) - elif x.name == 'accia': s.acciatura = 1 - elif x.name == 'linebrk': - s.supports_tag = 1 - if it > 0 and t[it -1].name == 'lbar': # we are at start of measure - e = E.Element ('print') # output linebreak now - e.set ('new-system', 'yes') - addElem (maat, e, lev + 1) - else: - s.linebrk = 1 # output linebreak at start of next measure - elif x.name == 'chordsym': - s.doChordSym (maat, x, lev + 1) - s.stopBeams () - s.prevmsre = maat - return maat, overlay - - def mkPart (s, maten, id, lev, attrs, nstaves, rOpt): - s.slurstack = {} - s.glisnum = 0; # xml number attribute for glissandos - s.slidenum = 0; # xml number attribute for slides - s.unitLcur = s.unitL # set the default unit length at begin of each voice - s.curVolta = '' - s.lyrdash = {} - s.linebrk = 0 - s.midprg = ['', '', '', ''] # MIDI channel nr, program nr, volume, panning for the current part - s.gcue_on = 0 # reset cue note marker for each new voice - s.gtrans = 0 # reset octave transposition (by clef) - s.percVoice = 0 # 1 if percussion clef encountered - s.curClef = '' # current abc clef (for percmap) - s.nostems = 0 # for the tab clef - s.tuning = s.tuningDef # reset string tuning to default - part = E.Element ('part', id=id) - s.overlayVnum = 0 # overlay voice number to relate ties that extend from one overlayed measure to the next - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - attrs_cpy = attrs.copy () # don't change attrs itself in next line - if gstaff == 1: attrs_cpy ['gstaff'] = nstaves # make a grand staff - if 'perc' in attrs_cpy.get ('V', ''): del attrs_cpy ['K'] # remove key from percussion voice - msre, overlay = s.mkMeasure (1, maten[0], lev + 1, attrs_cpy) - addElem (part, msre, lev + 1) - for i, maat in enumerate (maten[1:]): - s.overlayVnum = s.overlayVnum + 1 if overlay else 0 - msre, next_overlay = s.mkMeasure (i+2, maat, lev + 1) - if overlay: mergePartMeasure (part, msre, s.overlayVnum, rOpt) - else: addElem (part, msre, lev + 1) - overlay = next_overlay - return part - - def mkScorePart (s, id, vids_p, partAttr, lev): - def mkInst (instId, vid, midchan, midprog, midnot, vol, pan, lev): - si = E.Element ('score-instrument', id=instId) - pnm = partAttr.get (vid, [''])[0] # part name if present - addElemT (si, 'instrument-name', pnm or 'dummy', lev + 2) # MuseScore needs a name - mi = E.Element ('midi-instrument', id=instId) - if midchan: addElemT (mi, 'midi-channel', midchan, lev + 2) - if midprog: addElemT (mi, 'midi-program', str (int (midprog) + 1), lev + 2) # compatible with abc2midi - if midnot: addElemT (mi, 'midi-unpitched', str (int (midnot) + 1), lev + 2) - if vol: addElemT (mi, 'volume', '%.2f' % (int (vol) / 1.27), lev + 2) - if pan: addElemT (mi, 'pan', '%.2f' % (int (pan) / 127. * 180 - 90), lev + 2) - return (si, mi) - naam, subnm, midprg = partAttr [id] - sp = E.Element ('score-part', id='P'+id) - nm = E.Element ('part-name') - nm.text = naam - addElem (sp, nm, lev + 1) - snm = E.Element ('part-abbreviation') - snm.text = subnm - if subnm: addElem (sp, snm, lev + 1) # only add if subname was given - inst = [] - for instId, (pid, vid, chan, midprg, vol, pan) in sorted (s.midiInst.items ()): - midprg, midnot = ('0', midprg) if chan == '10' else (midprg, '') - if pid == id: inst.append (mkInst (instId, vid, chan, midprg, midnot, vol, pan, lev)) - for si, mi in inst: addElem (sp, si, lev + 1) - for si, mi in inst: addElem (sp, mi, lev + 1) - return sp - - def mkPartlist (s, vids, partAttr, lev): - def addPartGroup (sym, num): - pg = E.Element ('part-group', number=str (num), type='start') - addElem (partlist, pg, lev + 1) - addElemT (pg, 'group-symbol', sym, lev + 2) - addElemT (pg, 'group-barline', 'yes', lev + 2) - partlist = E.Element ('part-list') - g_num = 0 # xml group number - for g in (s.groups or vids): # brace/bracket or abc_voice_id - if g == '[': g_num += 1; addPartGroup ('bracket', g_num) - elif g == '{': g_num += 1; addPartGroup ('brace', g_num) - elif g in '}]': - pg = E.Element ('part-group', number=str (g_num), type='stop') - addElem (partlist, pg, lev + 1) - g_num -= 1 - else: # g = abc_voice_id - if g not in vids: continue # error in %%score - sp = s.mkScorePart (g, vids, partAttr, lev + 1) - addElem (partlist, sp, lev + 1) - return partlist - - def doField_I (s, type, x, instDir, addTrans): - def instChange (midchan, midprog): # instDir -> doFields - if midchan and midchan != s.midprg [0]: instDir ('midi-channel', midchan, 'chan: %s') - if midprog and midprog != s.midprg [1]: instDir ('midi-program', str (int (midprog) + 1), 'prog: %s') - def readPfmt (x, n): # read ABC page formatting constant - if not s.pageFmtAbc: s.pageFmtAbc = s.pageFmtDef # set the default values on first change - ro = re.search (r'[^.\d]*([\d.]+)\s*(cm|in|pt)?', x) # float followed by unit - if ro: - x, unit = ro.groups () # unit == None when not present - u = {'cm':10., 'in':25.4, 'pt':25.4/72} [unit] if unit else 1. - s.pageFmtAbc [n] = float (x) * u # convert ABC values to millimeters - else: info ('error in page format: %s' % x) - def readPercMap (x): # parse I:percmap - def getMidNum (sndnm): # find midi number of GM drum sound name - pnms = sndnm.split ('-') # sound name parts (from I:percmap) - ps = s.percsnd [:] # copy of the instruments - _f = lambda ip, xs, pnm: ip < len (xs) and xs[ip].find (pnm) > -1 # part xs[ip] and pnm match - for ip, pnm in enumerate (pnms): # match all percmap sound name parts - ps = [(nm, mnum) for nm, mnum in ps if _f (ip, nm.split ('-'), pnm) ] # filter instruments - if len (ps) <= 1: break # no match or one instrument left - if len (ps) == 0: info ('drum sound: %s not found' % sndnm); return '38' - return ps [0][1] # midi number of (first) instrument found - def midiVal (acc, step, oct): # abc note -> midi note number - oct = (4 if step.upper() == step else 5) + int (oct) - return oct * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (step.upper())] + {'^':1,'_':-1,'=':0}.get (acc, 0) + 12 - p0, p1, p2, p3, p4 = abc_percmap.parseString (x).asList () # percmap, abc-note, display-step, midi, note-head - acc, astep, aoct = p1 - nstep, noct = (astep, aoct) if p2 == '*' else p2 - if p3 == '*': midi = str (midiVal (acc, astep, aoct)) - elif isinstance (p3, list_type): midi = str (midiVal (p3[0], p3[1], p3[2])) - elif isinstance (p3, int_type): midi = str (p3) - else: midi = getMidNum (p3.lower ()) - head = re.sub (r'(.)-([^x])', r'\1 \2', p4) # convert abc note head names to xml - s.percMap [(s.pid, acc + astep, aoct)] = (nstep, noct, midi, head) - if x.startswith ('score') or x.startswith ('staves'): - s.staveDefs += [x] # collect all voice mappings - elif x.startswith ('staffwidth'): info ('skipped I-field: %s' % x) - elif x.startswith ('staff'): # set new staff number of the current voice - r1 = re.search (r'staff *([+-]?)(\d)', x) - if r1: - sign = r1.group (1) - num = int (r1.group (2)) - gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice - if sign: # relative staff number - num = (sign == '-') and gstaff - num or gstaff + num - else: # absolute abc staff number - try: vabc = s.staves [num - 1][0] # vid of (first voice of) abc-staff num - except: vabc = 0; info ('abc staff %s does not exist' % num) - num = s.gStaffNumsOrg.get (vabc, 0) # xml staff number of abc-staff num - if gstaff and num > 0 and num <= s.gNstaves [s.vid]: - s.gStaffNums [s.vid] = num - else: info ('could not relocate to staff: %s' % r1.group ()) - else: info ('not a valid staff redirection: %s' % x) - elif x.startswith ('scale'): readPfmt (x, 0) - elif x.startswith ('pageheight'): readPfmt (x, 1) - elif x.startswith ('pagewidth'): readPfmt (x, 2) - elif x.startswith ('leftmargin'): readPfmt (x, 3) - elif x.startswith ('rightmargin'): readPfmt (x, 4) - elif x.startswith ('topmargin'): readPfmt (x, 5) - elif x.startswith ('botmargin'): readPfmt (x, 6) - elif x.startswith ('MIDI') or x.startswith ('midi'): - r1 = re.search (r'program *(\d*) +(\d+)', x) - r2 = re.search (r'channel *(\d+)', x) - r3 = re.search (r"drummap\s+([_=^]*)([A-Ga-g])([,']*)\s+(\d+)", x) - r4 = re.search (r'control *(\d+) +(\d+)', x) - ch_nw, prg_nw, vol_nw, pan_nw = '', '', '', '' - if r1: ch_nw, prg_nw = r1.groups () # channel nr or '', program nr - if r2: ch_nw = r2.group (1) # channel nr only - if r4: - cnum, cval = r4.groups () # controller number, controller value - if cnum == '7': vol_nw = cval - if cnum == '10': pan_nw = cval - if r1 or r2 or r4: - ch = ch_nw or s.midprg [0] - prg = prg_nw or s.midprg [1] - vol = vol_nw or s.midprg [2] - pan = pan_nw or s.midprg [3] - instId = 'I%s-%s' % (s.pid, s.vid) # only look for real instruments, no percussion - if instId in s.midiInst: instChange (ch, prg) # instChance -> doFields - s.midprg = [ch, prg, vol, pan] # mknote: new instrument -> s.midiInst - if r3: # translate drummap to percmap - acc, step, oct, midi = r3.groups () - oct = -len (oct) if ',' in x else len (oct) - notehead = 'x' if acc == '^' else 'circle-x' if acc == '_' else 'normal' - s.percMap [(s.pid, acc + step, oct)] = (step, oct, midi, notehead) - r = re.search (r'transpose[^-\d]*(-?\d+)', x) - if r: addTrans (r.group (1)) # addTrans -> doFields - elif x.startswith ('percmap'): readPercMap (x); s.pMapFound = 1 - else: info ('skipped I-field: %s' % x) - - def parseStaveDef (s, vdefs): - for vid in vdefs: s.vcepid [vid] = vid # default: each voice becomes an xml part - if not s.staveDefs: return vdefs - for x in s.staveDefs [1:]: info ('%%%%%s dropped, multiple stave mappings not supported' % x) - x = s.staveDefs [0] # only the first %%score is honoured - score = abc_scoredef.parseString (x) [0] - f = lambda x: type (x) == uni_type and [x] or x - s.staves = lmap (f, mkStaves (score, vdefs)) # [[vid] for each staff] - s.grands = lmap (f, mkGrand (score, vdefs)) # [staff-id], staff-id == [vid][0] - s.groups = mkGroups (score) - vce_groups = [vids for vids in s.staves if len (vids) > 1] # all voice groups - d = {} # for each voice group: map first voice id -> all merged voice ids - for vgr in vce_groups: d [vgr[0]] = vgr - for gstaff in s.grands: # for all grand staves - if len (gstaff) == 1: continue # skip single parts - for v, stf_num in zip (gstaff, range (1, len (gstaff) + 1)): - for vx in d.get (v, [v]): # allocate staff numbers - s.gStaffNums [vx] = stf_num # to all constituant voices - s.gNstaves [vx] = len (gstaff) # also remember total number of staves - s.gStaffNumsOrg = s.gStaffNums.copy () # keep original allocation for abc -> xml staff map - for xmlpart in s.grands: - pid = xmlpart [0] # part id == first staff id == first voice id - vces = [v for stf in xmlpart for v in d.get (stf, [stf])] - for v in vces: s.vcepid [v] = pid - return vdefs - - def voiceNamesAndMaps (s, ps): # get voice names and mappings - vdefs = {} - for vid, vcedef, vce in ps: # vcedef == emtpy or first pObj == voice definition - pname, psubnm = '', '' # part name and abbreviation - if not vcedef: # simple abc without voice definitions - vdefs [vid] = pname, psubnm, '' - else: # abc with voice definitions - if vid != vcedef.t[1]: info ('voice ids unequal: %s (reg-ex) != %s (grammar)' % (vid, vcedef.t[1])) - rn = re.search (r'(?:name|nm)="([^"]*)"', vcedef.t[2]) - if rn: pname = rn.group (1) - rn = re.search (r'(?:subname|snm|sname)="([^"]*)"', vcedef.t[2]) - if rn: psubnm = rn.group (1) - vcedef.t[2] = vcedef.t[2].replace ('"%s"' % pname, '""').replace ('"%s"' % psubnm, '""') # clear voice name to avoid false clef matches later on - vdefs [vid] = pname, psubnm, vcedef.t[2] - xs = [pObj.t[1] for maat in vce for pObj in maat if pObj.name == 'inline'] # all inline statements in vce - s.staveDefs += [x.replace ('%5d',']') for x in xs if x.startswith ('score') or x.startswith ('staves')] # filter %%score and %%staves - return vdefs - - def doHeaderField (s, fld, attrmap): - type, value = fld.t[0], fld.t[1].replace ('%5d',']') # restore closing brackets (see splitHeaderVoices) - if not value: # skip empty field - return - if type == 'M': - attrmap [type] = value - elif type == 'L': - try: s.unitL = lmap (int, fld.t[1].split ('/')) - except: - info ('illegal unit length:%s, 1/8 assumed' % fld.t[1]) - s.unitL = 1,8 - if len (s.unitL) == 1 or s.unitL[1] not in s.typeMap: - info ('L:%s is not allowed, 1/8 assumed' % fld.t[1]) - s.unitL = 1,8 - elif type == 'K': - attrmap[type] = value - elif type == 'T': - s.title = s.title + '\n' + value if s.title else value - elif type == 'U': - sym = fld.t[2].strip ('!+') - s.usrSyms [value] = sym - elif type == 'I': - s.doField_I (type, value, lambda x,y,z:0, lambda x:0) - elif type == 'Q': - attrmap[type] = value - elif type in 'CRZNOAGHBDFSP': # part maps are treated as meta data - type = s.metaMap.get (type, type) # respect the (user defined --meta) mapping of various ABC fields to XML meta data types - c = s.metadata.get (type, '') - s.metadata [type] = c + '\n' + value if c else value # concatenate multiple info fields with new line as separator - else: - info ('skipped header: %s' % fld) - - def mkIdentification (s, score, lev): - if s.title: - xs = s.title.split ('\n') # the first T: line goes to work-title - ys = '\n'.join (xs [1:]) # place subsequent T: lines into work-number - w = E.Element ('work') - addElem (score, w, lev + 1) - if ys: addElemT (w, 'work-number', ys, lev + 2) - addElemT (w, 'work-title', xs[0], lev + 2) - ident = E.Element ('identification') - addElem (score, ident, lev + 1) - for mtype, mval in s.metadata.items (): - if mtype in s.metaTypes and mtype != 'rights': # all metaTypes are MusicXML creator types - c = E.Element ('creator', type=mtype) - c.text = mval - addElem (ident, c, lev + 2) - if 'rights' in s.metadata: - c = addElemT (ident, 'rights', s.metadata ['rights'], lev + 2) - encoding = E.Element ('encoding') - addElem (ident, encoding, lev + 2) - encoder = E.Element ('encoder') - encoder.text = 'abc2xml version %d' % VERSION - addElem (encoding, encoder, lev + 3) - if s.supports_tag: # avoids interference of auto-flowing and explicit linebreaks - suports = E.Element ('supports', attribute="new-system", element="print", type="yes", value="yes") - addElem (encoding, suports, lev + 3) - encodingDate = E.Element ('encoding-date') - encodingDate.text = str (datetime.date.today ()) - addElem (encoding, encodingDate, lev + 3) - s.addMeta (ident, lev + 2) - - def mkDefaults (s, score, lev): - if s.pageFmtCmd: s.pageFmtAbc = s.pageFmtCmd - if not s.pageFmtAbc: return # do not output the defaults if none is desired - abcScale, h, w, l, r, t, b = s.pageFmtAbc - space = abcScale * 2.117 # 2.117 = 6pt = space between staff lines for scale = 1.0 in abcm2ps - mils = 4 * space # staff height in millimeters - scale = 40. / mils # tenth's per millimeter - dflts = E.Element ('defaults') - addElem (score, dflts, lev) - scaling = E.Element ('scaling') - addElem (dflts, scaling, lev + 1) - addElemT (scaling, 'millimeters', '%g' % mils, lev + 2) - addElemT (scaling, 'tenths', '40', lev + 2) - layout = E.Element ('page-layout') - addElem (dflts, layout, lev + 1) - addElemT (layout, 'page-height', '%g' % (h * scale), lev + 2) - addElemT (layout, 'page-width', '%g' % (w * scale), lev + 2) - margins = E.Element ('page-margins', type='both') - addElem (layout, margins, lev + 2) - addElemT (margins, 'left-margin', '%g' % (l * scale), lev + 3) - addElemT (margins, 'right-margin', '%g' % (r * scale), lev + 3) - addElemT (margins, 'top-margin', '%g' % (t * scale), lev + 3) - addElemT (margins, 'bottom-margin', '%g' % (b * scale), lev + 3) - - def addMeta (s, parent, lev): - misc = E.Element ('miscellaneous') - mf = 0 - for mtype, mval in sorted (s.metadata.items ()): - if mtype == 'S': - addElemT (parent, 'source', mval, lev) - elif mtype in s.metaTypes: continue # mapped meta data has already been output (in creator elements) - else: - mf = E.Element ('miscellaneous-field', name=s.metaTab [mtype]) - mf.text = mval - addElem (misc, mf, lev + 1) - if mf != 0: addElem (parent, misc, lev) - - def parse (s, abc_string, rOpt=False, bOpt=False, fOpt=False): - abctext = abc_string.replace ('[I:staff ','[I:staff') # avoid false beam breaks - s.reset (fOpt) - header, voices = splitHeaderVoices (abctext) - ps = [] - try: - lbrk_insert = 0 if re.search (r'I:linebreak\s*([!$]|none)|I:continueall\s*(1|true)', header) else bOpt - hs = abc_header.parseString (header) if header else '' - for id, voice in voices: - if lbrk_insert: # insert linebreak at EOL - r1 = re.compile (r'\[[wA-Z]:[^]]*\]') # inline field - has_abc = lambda x: r1.sub ('', x).strip () # empty if line only contains inline fields - voice = '\n'.join ([balk.rstrip ('$!') + '$' if has_abc (balk) else balk for balk in voice.splitlines ()]) - prevLeftBar = None # previous voice ended with a left-bar symbol (double repeat) - s.orderChords = s.fOpt and ('tab' in voice [:200] or [x for x in hs if x.t[0] == 'K' and 'tab' in x.t[1]]) - vce = abc_voice.parseString (voice).asList () - lyr_notes = [] # remember notes between lyric blocks - for m in vce: # all measures - for e in m: # all abc-elements - if e.name == 'lyr_blk': # -> e.objs is list of lyric lines - lyr = [line.objs for line in e.objs] # line.objs is listof syllables - alignLyr (lyr_notes, lyr) # put all syllables into corresponding notes - lyr_notes = [] - else: - lyr_notes.append (e) - if not vce: # empty voice, insert an inline field that will be rejected - vce = [[pObj ('inline', ['I', 'empty voice'])]] - if prevLeftBar: - vce[0].insert (0, prevLeftBar) # insert at begin of first measure - prevLeftBar = None - if vce[-1] and vce[-1][-1].name == 'lbar': # last measure ends with an lbar - prevLeftBar = vce[-1][-1] - if len (vce) > 1: # vce should not become empty (-> exception when taking vcelyr [0][0]) - del vce[-1] # lbar was the only element in measure vce[-1] - vcelyr = vce - elem1 = vcelyr [0][0] # the first element of the first measure - if elem1.name == 'inline'and elem1.t[0] == 'V': # is a voice definition - voicedef = elem1 - del vcelyr [0][0] # do not read voicedef twice - else: - voicedef = '' - ps.append ((id, voicedef, vcelyr)) - except ParseException as err: - if err.loc > 40: # limit length of error message, compatible with markInputline - err.pstr = err.pstr [err.loc - 40: err.loc + 40] - err.loc = 40 - xs = err.line[err.col-1:] - info (err.line, warn=0) - info ((err.col-1) * '-' + '^', warn=0) - if re.search (r'\[U:', xs): - info ('Error: illegal user defined symbol: %s' % xs[1:], warn=0) - elif re.search (r'\[[OAPZNGHRBDFSXTCIU]:', xs): - info ('Error: header-only field %s appears after K:' % xs[1:], warn=0) - else: - info ('Syntax error at column %d' % err.col, warn=0) - raise - - score = E.Element ('score-partwise') - attrmap = {'Div': str (s.divisions), 'K':'C treble', 'M':'4/4'} - for res in hs: - if res.name == 'field': - s.doHeaderField (res, attrmap) - else: - info ('unexpected header item: %s' % res) - - vdefs = s.voiceNamesAndMaps (ps) - vdefs = s.parseStaveDef (vdefs) - - lev = 0 - vids, parts, partAttr = [], [], {} - s.strAlloc = stringAlloc () - for vid, _, vce in ps: # voice id, voice parse tree - pname, psubnm, voicedef = vdefs [vid] # part name - attrmap ['V'] = voicedef # abc text of first voice definition (after V:vid) or empty - pid = 'P%s' % vid # let part id start with an alpha - s.vid = vid # avoid parameter passing, needed in mkNote for instrument id - s.pid = s.vcepid [s.vid] # xml part-id for the current voice - s.gTime = (0, 0) # reset time - s.strAlloc.beginZoek () # reset search index - part = s.mkPart (vce, pid, lev + 1, attrmap, s.gNstaves.get (vid, 0), rOpt) - if 'Q' in attrmap: del attrmap ['Q'] # header tempo only in first part - parts.append (part) - vids.append (vid) - partAttr [vid] = (pname, psubnm, s.midprg) - if s.midprg != ['', '', '', ''] and not s.percVoice: # when a part has only rests - instId = 'I%s-%s' % (s.pid, s.vid) - if instId not in s.midiInst: s.midiInst [instId] = (s.pid, s.vid, s.midprg [0], s.midprg [1], s.midprg [2], s.midprg [3]) - parts, vidsnew = mergeParts (parts, vids, s.staves, rOpt) # merge parts into staves as indicated by %%score - parts, vidsnew = mergeParts (parts, vidsnew, s.grands, rOpt, 1) # merge grand staves - reduceMids (parts, vidsnew, s.midiInst) - - s.mkIdentification (score, lev) - s.mkDefaults (score, lev + 1) - - partlist = s.mkPartlist (vids, partAttr, lev + 1) - addElem (score, partlist, lev + 1) - for ip, part in enumerate (parts): addElem (score, part, lev + 1) - - return score - - -def decodeInput (data_string): - try: enc = 'utf-8'; unicode_string = data_string.decode (enc) - except: - try: enc = 'latin-1'; unicode_string = data_string.decode (enc) - except: raise ValueError ('data not encoded in utf-8 nor in latin-1') - info ('decoded from %s' % enc) - return unicode_string - -def ggd (a, b): # greatest common divisor - return a if b == 0 else ggd (b, a % b) - -xmlVersion = "" -def fixDoctype (elem): - if python3: xs = E.tostring (elem, encoding='unicode') # writing to file will auto-encode to utf-8 - else: xs = E.tostring (elem, encoding='utf-8') # keep the string utf-8 encoded for writing to file - ys = xs.split ('\n') - ys.insert (0, xmlVersion) # crooked logic of ElementTree lib - ys.insert (1, '') - return '\n'.join (ys) - -def xml2mxl (pad, fnm, data): # write xml data to compressed .mxl file - from zipfile import ZipFile, ZIP_DEFLATED - fnmext = fnm + '.xml' # file name with extension, relative to the root within the archive - outfile = os.path.join (pad, fnm + '.mxl') - meta = '%s\n\n' % xmlVersion - meta += '\n' % fnmext - meta += '' - f = ZipFile (outfile, 'w', ZIP_DEFLATED) - f.writestr ('META-INF/container.xml', meta) - f.writestr (fnmext, data) - f.close () - info ('%s written' % outfile, warn=0) - -def convert (pad, fnm, abc_string, mxl, rOpt=False, tOpt=False, bOpt=False, fOpt=False): # not used, backwards compatibility - score = mxm.parse (abc_string, rOpt, bOpt, fOpt) - writefile (pad, fnm, '', score, mxl, tOpt) - -def writefile (pad, fnm, fnmNum, xmldoc, mxlOpt, tOpt=False): - ipad, ifnm = os.path.split (fnm) # base name of input path is - if tOpt: - x = xmldoc.findtext ('work/work-title', 'no_title') - ifnm = x.replace (',','_').replace ("'",'_').replace ('?','_') - else: - ifnm += fnmNum - xmlstr = fixDoctype (xmldoc) - if pad: - if not mxlOpt or mxlOpt in ['a', 'add']: - outfnm = os.path.join (pad, ifnm + '.xml') # joined with path from -o option - outfile = open (outfnm, 'w') - outfile.write (xmlstr) - outfile.close () - info ('%s written' % outfnm, warn=0) - if mxlOpt: xml2mxl (pad, ifnm, xmlstr) # also write a compressed version - else: - outfile = sys.stdout - outfile.write (xmlstr) - outfile.write ('\n') - -def readfile (fnmext, errmsg='read error: '): - try: - if fnmext == '-.abc': fobj = stdin # see python2/3 differences - else: fobj = open (fnmext, 'rb') - encoded_data = fobj.read () - fobj.close () - return encoded_data if type (encoded_data) == uni_type else decodeInput (encoded_data) - except Exception as e: - info (errmsg + repr (e) + ' ' + fnmext) - return None - -def expand_abc_include (abctxt): - ys = [] - for x in abctxt.splitlines (): - if x.startswith ('%%abc-include') or x.startswith ('I:abc-include'): - x = readfile (x[13:].strip (), 'include error: ') - if x != None: ys.append (x) - return '\n'.join (ys) - -abc_header, abc_voice, abc_scoredef, abc_percmap = abc_grammar () # compute grammars only once -mxm = MusicXml () # same for instance of MusicXml - -def getXmlScores (abc_string, skip=0, num=1, rOpt=False, bOpt=False, fOpt=False): # not used, backwards compatibility - return [fixDoctype (xml_doc) for xml_doc in - getXmlDocs (abc_string, skip=0, num=1, rOpt=False, bOpt=False, fOpt=False)] - -def getXmlDocs (abc_string, skip=0, num=1, rOpt=False, bOpt=False, fOpt=False): # added by David Randolph - xml_docs = [] - abctext = expand_abc_include (abc_string) - fragments = re.split (r'^\s*X:', abctext, flags=re.M) - preamble = fragments [0] # tunes can be preceeded by formatting instructions - tunes = fragments[1:] - if not tunes and preamble: tunes, preamble = ['1\n' + preamble], '' # tune without X: - for itune, tune in enumerate (tunes): - if itune < skip: continue # skip tunes, then read at most num tunes - if itune >= skip + num: break - tune = preamble + 'X:' + tune # restore preamble before each tune - try: # convert string abctext -> file pad/fnmNum.xml - score = mxm.parse (tune, rOpt, bOpt, fOpt) - ds = list (score.iter ('duration')) # need to iterate twice - ss = [int (d.text) for d in ds] - deler = reduce (ggd, ss + [21]) # greatest common divisor of all durations - for i, d in enumerate (ds): d.text = str (ss [i] // deler) - for d in score.iter ('divisions'): d.text = str (int (d.text) // deler) - xml_docs.append (score) - except ParseException: - pass # output already printed - except Exception as err: - info ('an exception occurred.\n%s' % err) - return xml_docs - -#---------------- -# Main Program -#---------------- -if __name__ == '__main__': - from optparse import OptionParser - from glob import glob - import time - - parser = OptionParser (usage='%prog [-h] [-r] [-t] [-b] [-m SKIP NUM] [-o DIR] [-p PFMT] [-z MODE] [--meta MAP] [ ...]', version='version %d' % VERSION) - parser.add_option ("-o", action="store", help="store xml files in DIR", default='', metavar='DIR') - parser.add_option ("-m", action="store", help="skip SKIP (0) tunes, then read at most NUM (1) tunes", nargs=2, type='int', default=(0,1), metavar='SKIP NUM') - parser.add_option ("-p", action="store", help="pageformat PFMT (mm) = scale (0.75), pageheight (297), pagewidth (210), leftmargin (18), rightmargin (18), topmargin (10), botmargin (10)", default='', metavar='PFMT') - parser.add_option ("-z", "--mxl", dest="mxl", help="store as compressed mxl, MODE = a(dd) or r(eplace)", default='', metavar='MODE') - parser.add_option ("-r", action="store_true", help="show whole measure rests in merged staffs", default=False) - parser.add_option ("-t", action="store_true", help="use tune title as file name", default=False) - parser.add_option ("-b", action="store_true", help="line break at EOL", default=False) - parser.add_option ("--meta", action="store", help="map infofields to XML metadata, MAP = R:poet,Z:lyricist,N:...", default='', metavar='MAP') - parser.add_option ("-f", action="store_true", help="force string/fret allocations for tab staves", default=False) - options, args = parser.parse_args () - if len (args) == 0: parser.error ('no input file given') - pad = options.o - if options.mxl and options.mxl not in ['a','add', 'r', 'replace']: - parser.error ('MODE should be a(dd) or r(eplace), not: %s' % options.mxl) - 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) - if options.p: # set page formatting values - try: # space, page-height, -width, margin-left, -right, -top, -bottom - mxm.pageFmtCmd = lmap (float, options.p.split (',')) - if len (mxm.pageFmtCmd) != 7: raise ValueError ('-p needs 7 values') - except Exception as err: parser.error (err) - for x in options.meta.split (','): - if not x: continue - try: field, tag = x.split (':') - except: parser.error ('--meta: %s cannot be split on colon' % x) - if field not in 'OAZNGHRBDFSPW': parser.error ('--meta: field %s is no valid ABC field' % field) - if tag not in mxm.metaTypes: parser.error ('--meta: tag %s is no valid XML creator type' % tag) - mxm.metaMap [field] = tag - fnmext_list = [] - for i in args: - if i == '-': fnmext_list.append ('-.abc') # represents standard input - else: fnmext_list += glob (i) - if not fnmext_list: parser.error ('none of the input files exist') - t_start = time.time () - for fnmext in fnmext_list: - fnm, ext = os.path.splitext (fnmext) - if ext.lower () not in ('.abc'): - info ('skipped input file %s, it should have extension .abc' % fnmext) - continue - if os.path.isdir (fnmext): - info ('skipped directory %s. Only files are accepted' % fnmext) - continue - abctext = readfile (fnmext) - skip, num = options.m - xml_docs = getXmlDocs (abctext, skip, num, options.r, options.b, options.f) - for itune, xmldoc in enumerate (xml_docs): - fnmNum = '%02d' % (itune + 1) if len (xml_docs) > 1 else '' - writefile (pad, fnm, fnmNum, xmldoc, options.mxl, options.t) - info ('done in %.2f secs' % (time.time () - t_start))