python/utilities.py

   1 # -*- coding: utf-8 -*-
   2 import re
   3 import string
   4
   5 def string_to_number(s):
   6     try:
   7         return int(s)
   8     except ValueError:
   9         return float(s)
  10
  11 def string_to_integer(s):
  12     num = string_to_number(s)
  13     if isinstance(num, int):
  14         return num
  15     else:
  16         return int(num)
  17
  18 def escape_ly_output_string (input_string):
  19     return_string = input_string
  20     needs_quotes = not re.match (u"^[a-zA-ZäöüÜÄÖßñ]*$", return_string);
  21     if needs_quotes:
  22         return_string = "\"" + string.replace (return_string, "\"", "\\\"") + "\""
  23     return return_string
  24
  25 def interpret_alter_element (alter_elm):
  26     alter = 0
  27     if alter_elm:
  28         val = eval(alter_elm.get_text ())
  29         if type (val) in (int, float):
  30             alter = val
  31     return alter
  32
  33 def musicxml_duration_to_log (dur):
  34     return  {'256th': 8,
  35              '128th': 7,
  36              '64th': 6,
  37              '32nd': 5,
  38              '16th': 4,
  39              'eighth': 3,
  40              'quarter': 2,
  41              'half': 1,
  42              'whole': 0,
  43              'breve':-1,
  44              'longa':-2,
  45              'long':-2}.get (dur, 0)
  46
  47 def hexcolorval_to_nr (hex_val):
  48     try:
  49         v = int (hex_val, 16)
  50         if v == 255:
  51             v = 256
  52         return v / 256.
  53     except ValueError:
  54         return 0.
  55
  56 def hex_to_color(hex_val):
  57     res = re.match (
  58         r'#([0-9a-f][0-9a-f]|)([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])$',
  59         hex_val,
  60         re.IGNORECASE)
  61     if res:
  62         return map(lambda x: hexcolorval_to_nr (x), res.group (2, 3, 4))
  63     else:
  64         return None
  65
  66 def split_string_and_preserve_doublequoted_substrings(value):
  67     import shlex
  68     lex = shlex.shlex(value)
  69     lex.quotes = '"'
  70     lex.whitespace_split = True
  71     lex.commenters = ''
  72     return list(lex)
  73
  74 def musicxml_sound_to_lilypond_midi_instrument(sound):
  75     sounds = {
  76         "brass.french-horn": 'french horn',
  77         "brass.group": 'brass section',
  78         "brass.group.synth": 'synthbrass 1',
  79         "brass.trombone": 'trombone',
  80         "brass.trombone.alto": 'trombone',
  81         "brass.trombone.bass": 'trombone',
  82         "brass.trombone.contrabass": 'trombone',
  83         "brass.trombone.tenor": 'trombone',
  84         "brass.trumpet": 'trumpet',
  85         "brass.trumpet.baroque": 'trumpet',
  86         "brass.trumpet.bass": 'trumpet',
  87         "brass.trumpet.bflat": 'trumpet',
  88         "brass.trumpet.c": 'trumpet',
  89         "brass.trumpet.d": 'trumpet',
  90         "brass.trumpet.piccolo": 'trumpet',
  91         "brass.trumpet.pocket": 'trumpet',
  92         "brass.trumpet.slide": 'trumpet',
  93         "brass.trumpet.tenor": 'trumpet',
  94         "brass.tuba": 'tuba',
  95         "brass.tuba.bass": 'tuba',
  96         "brass.tuba.subcontrabass": 'tuba',
  97         "brass.wagner-tuba": 'french horn',
  98         "drum.timpani": 'timpani',
  99         "drum.tom-tom": 'melodic tom',
 100         "drum.tom-tom.synth": 'synth drum',
 101         "effect.applause": 'applause',
 102         "effect.bass-string-slap": 'slap bass 1',
 103         "effect.bird": 'bird tweet',
 104         "effect.bird.tweet": 'bird tweet',
 105         "effect.breath": 'breath noise',
 106         "effect.guitar-fret": 'guitar fret noise',
 107         "effect.gunshot": 'gunshot',
 108         "effect.helicopter": 'helicopter',
 109         "effect.metronome-click": 'woodblock',
 110         "effect.rain": 'fx1 (rain)',
 111         "effect.seashore": 'seashore',
 112         "effect.telephone-ring": 'telephone ring',
 113         "keyboard.accordion": 'accordion',
 114         "keyboard.bandoneon": 'accordion',
 115         "keyboard.celesta": 'celesta',
 116         "keyboard.clavichord": 'clav',
 117         "keyboard.concertina": 'concertina',
 118         "keyboard.harpsichord": 'harpsichord',
 119         "keyboard.ondes-martenot": 'ocarina',
 120         "keyboard.organ": 'church organ',
 121         "keyboard.organ.drawbar": 'drawbar organ',
 122         "keyboard.organ.percussive": 'percussive organ',
 123         "keyboard.organ.pipe": 'church organ',
 124         "keyboard.organ.reed": 'reed organ',
 125         "keyboard.piano": 'acoustic grand',
 126         "keyboard.piano.electric": 'electric piano 1',
 127         "keyboard.piano.grand": 'acoustic grand',
 128         "keyboard.piano.honky-tonk": 'honky-tonk',
 129         "metal.bells.agogo": 'agogo',
 130         "metal.bells.tinklebell": 'tinkle bell',
 131         "metal.cymbal.reverse": 'reverse cymbal',
 132         "pitched-percussion.glockenspiel": 'glockenspiel',
 133         "pitched-percussion.glockenspiel.alto": 'glockenspiel',
 134         "pitched-percussion.glockenspiel.soprano": 'glockenspiel',
 135         "pitched-percussion.hammer-dulcimer": 'dulcimer',
 136         "pitched-percussion.kalimba": 'kalimba',
 137         "pitched-percussion.marimba": 'marimba',
 138         "pitched-percussion.marimba.bass": 'marimba',
 139         "pitched-percussion.music-box": 'music box',
 140         "pitched-percussion.tubular-bells": 'tubular bells',
 141         "pitched-percussion.vibraphone": 'vibraphone',
 142         "pitched-percussion.xylophone": 'xylophone',
 143         "pitched-percussion.xylophone.alto": 'xylophone',
 144         "pitched-percussion.xylophone.bass": 'xylophone',
 145         "pitched-percussion.xylophone.soprano": 'xylophone',
 146         "pitched-percussion.xylorimba": 'xylophone',
 147         "pluck.banjo": 'banjo',
 148         "pluck.banjo.tenor": 'banjo',
 149         "pluck.bass": 'acoustic bass',
 150         "pluck.bass.acoustic": 'acoustic bass',
 151         "pluck.bass.electric": 'electric bass',
 152         "pluck.bass.fretless": 'fretless bass',
 153         "pluck.bass.synth": 'synth bass 1',
 154         "pluck.dulcimer": 'dulcimer',
 155         "pluck.guitar": 'acoustic guitar (nylon)',
 156         "pluck.guitar.acoustic": 'acoustic guitar (nylon)',
 157         "pluck.guitar.electric": 'electric guitar (jazz)',
 158         "pluck.guitar.nylon-string": 'acoustic guitar (nylon)',
 159         "pluck.guitar.steel-string": 'acoustic guitar (steel)',
 160         "pluck.harp": 'orchestral harp',
 161         "pluck.lute": 'acoustic guitar (nylon)',
 162         "pluck.shamisen": 'shamisen',
 163         "pluck.sitar": 'sitar',
 164         "strings.cello": 'cello',
 165         "strings.cello.piccolo": 'cello',
 166         "strings.contrabass": 'contrabass',
 167         "strings.fiddle": 'fiddle',
 168         "strings.group.synth": 'synth strings 1',
 169         "strings.viola": 'viola',
 170         "strings.violin": 'violin',
 171         "synth.effects.atmosphere": 'fx 4 (atmosphere)',
 172         "synth.effects.brightness": 'fx 5 (brightness)',
 173         "synth.effects.crystal": 'fx 3 (crystal)',
 174         "synth.effects.echoes": 'fx 7 echoes',
 175         "synth.effects.goblins": 'fx 6 goblins',
 176         "synth.effects.rain": 'fx 1 rain',
 177         "synth.effects.sci-fi": 'fx 8 sci-fi',
 178         "synth.effects.soundtrack": 'fx 2 (soundtrack)',
 179         "synth.pad.bowed": 'pad 5 bowed',
 180         "synth.pad.choir": 'pad 4 choir',
 181         "synth.pad.halo": 'pad 7 halo',
 182         "synth.pad.metallic": 'pad 6 metallic',
 183         "synth.pad.polysynth": 'pad 3 polysynth',
 184         "synth.pad.sweep": 'pad 8 sweep',
 185         "synth.pad.warm": 'pad 2 warm',
 186         "synth.tone.sawtooth": 'lead 1 (square)',
 187         "synth.tone.square": 'lead 2 (sawtooth)',
 188         "voice.aa": 'choir aahs',
 189         "voice.alto": 'choir aahs',
 190         "voice.aw": 'choir aahs',
 191         "voice.baritone": 'choir aahs',
 192         "voice.bass": 'choir aahs',
 193         "voice.child": 'choir aahs',
 194         "voice.countertenor": 'choir aahs',
 195         "voice.doo": 'choir aahs',
 196         "voice.ee": 'choir aahs',
 197         "voice.female": 'choir aahs',
 198         "voice.kazoo": 'choir aahs',
 199         "voice.male": 'choir aahs',
 200         "voice.mezzo-soprano": 'choir aahs',
 201         "voice.mm": 'choir aahs',
 202         "voice.oo": 'voice oohs',
 203         "voice.soprano": 'choir aahs',
 204         "voice.synth": 'synth voice',
 205         "wind.flutes.blown-bottle": 'blown bottle',
 206         "wind.flutes.calliope": 'lead 3 (calliope)',
 207         "wind.flutes.flute": 'flute',
 208         "wind.flutes.flute.alto": 'flute',
 209         "wind.flutes.flute.bass": 'flute',
 210         "wind.flutes.flute.contra-alto": 'flute',
 211         "wind.flutes.flute.contrabass": 'flute',
 212         "wind.flutes.flute.double-contrabass": 'flute',
 213         "wind.flutes.flute.piccolo": 'flute',
 214         "wind.flutes.flute.subcontrabass": 'flute',
 215         "wind.flutes.ocarina": 'ocarina',
 216         "wind.flutes.recorder": 'recorder',
 217         "wind.flutes.recorder.alto": 'recorder',
 218         "wind.flutes.recorder.bass": 'recorder',
 219         "wind.flutes.recorder.contrabass": 'recorder',
 220         "wind.flutes.recorder.descant": 'recorder',
 221         "wind.flutes.recorder.garklein": 'recorder',
 222         "wind.flutes.recorder.great-bass": 'recorder',
 223         "wind.flutes.recorder.sopranino": 'recorder',
 224         "wind.flutes.recorder.soprano": 'recorder',
 225         "wind.flutes.recorder.tenor": 'recorder',
 226         "wind.flutes.shakuhachi": 'shakuhachi',
 227         "wind.flutes.whistle": 'whistle',
 228         "wind.flutes.whistle.alto": 'whistle',
 229         "wind.pipes.bagpipes": 'bagpipe',
 230         "wind.reed.basset-horn": 'clarinet',
 231         "wind.reed.bassoon": 'bassoon',
 232         "wind.reed.clarinet": 'clarinet',
 233         "wind.reed.clarinet.a": 'clarinet',
 234         "wind.reed.clarinet.alto": 'clarinet',
 235         "wind.reed.clarinet.bass": 'clarinet',
 236         "wind.reed.clarinet.basset": 'clarinet',
 237         "wind.reed.clarinet.bflat": 'clarinet',
 238         "wind.reed.clarinet.contra-alto": 'clarinet',
 239         "wind.reed.clarinet.contrabass": 'clarinet',
 240         "wind.reed.clarinet.eflat": 'clarinet',
 241         "wind.reed.clarinet.piccolo.aflat": 'clarinet',
 242         "wind.reed.contrabass": 'contrabass',
 243         "wind.reed.contrabassoon": 'bassoon',
 244         "wind.reed.english-horn": 'oboe',
 245         "wind.reed.harmonica": 'harmonica',
 246         "wind.reed.harmonica.bass": 'harmonica',
 247         "wind.reed.oboe": 'oboe',
 248         "wind.reed.oboe.bass": 'oboe',
 249         "wind.reed.oboe.piccolo": 'oboe',
 250         "wind.reed.oboe-da-caccia": 'oboe',
 251         "wind.reed.oboe-damore": 'oboe',
 252         "wind.reed.saxophone": 'alto sax',
 253         "wind.reed.saxophone.alto": 'alto sax',
 254         "wind.reed.saxophone.baritone": 'baritone sax',
 255         "wind.reed.saxophone.bass": 'baritone sax',
 256         "wind.reed.saxophone.contrabass": 'baritone sax',
 257         "wind.reed.saxophone.melody": 'soprano sax',
 258         "wind.reed.saxophone.mezzo-soprano": 'soprano sax',
 259         "wind.reed.saxophone.sopranino": 'soprano sax',
 260         "wind.reed.saxophone.sopranissimo": 'soprano sax',
 261         "wind.reed.saxophone.soprano": 'soprano, sax',
 262         "wind.reed.saxophone.subcontrabass": 'baritone sax',
 263         "wind.reed.saxophone.tenor": 'tenor sax',
 264         "wind.reed.shenai": 'shanai',
 265         "wood.temple-block": 'wood block',
 266         "wood.wood-block": 'wood block',
 267         }
 268     return sounds.get(sound, 'acoustic grand')