forked from openlp/openlp
Chord transpose rework, works on verse_edit_all
This commit is contained in:
STEPHANVS
parent
32afafce72
commit
7d3f5eab9c
@ -233,7 +233,7 @@ class EditVerseForm(QtWidgets.QDialog, Ui_EditVerseDialog):
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"""
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if Registry().get('settings').value('songs/enable chords'):
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try:
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transpose_lyrics(self.verse_text_edit.toPlainText(), 1)
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transpose_lyrics(self.verse_text_edit.toPlainText(), 0)
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super(EditVerseForm, self).accept()
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except ValueError as ve:
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# Transposing failed
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@ -559,15 +559,17 @@ def transpose_lyrics(lyrics, transpose_value):
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verse_list = re.split(r'(---\[.+?:.+?\]---|\[---\])', lyrics)
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transposed_lyrics = ''
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notation = Registry().get('settings').value('songs/chord notation')
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key = None
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for verse in verse_list:
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if verse.startswith('---[') or verse == '[---]':
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transposed_lyrics += verse
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else:
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transposed_lyrics += transpose_verse(verse, transpose_value, notation)
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transposed_lyric, key = transpose_verse(verse, transpose_value, notation, key)
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transposed_lyrics += transposed_lyric
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return transposed_lyrics
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def transpose_verse(verse_text, transpose_value, notation):
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def transpose_verse(verse_text, transpose_value, notation, key):
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"""
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Transpose Verse
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@ -577,10 +579,13 @@ def transpose_verse(verse_text, transpose_value, notation):
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:return: The transposed lyrics
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"""
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if '[' not in verse_text:
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return verse_text
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# Split the lyrics based on chord tags
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return verse_text, key
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# Split the lyrics based on chord tags, based on this, chords and bass will be treated equally and separately,
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# 6/9 chords should be noted 6-9 or 69 or 6add9
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lyric_list = re.split(r'(\[|\]|/)', verse_text)
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transposed_lyrics = ''
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isbass = False
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lastchord = None
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in_tag = False
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for word in lyric_list:
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if not in_tag:
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@ -591,19 +596,24 @@ def transpose_verse(verse_text, transpose_value, notation):
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if word == ']':
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in_tag = False
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transposed_lyrics += word
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elif word == '/' or word == '--}{--':
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elif word == '/':
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isbass = True
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transposed_lyrics += word
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elif word == '--}{--':
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transposed_lyrics += word
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else:
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# This MUST be a chord
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transposed_lyrics += transpose_chord(word, transpose_value, notation)
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transposed_chord, key, lastchord = transpose_chord(word, transpose_value, notation, key, lastchord, isbass)
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isbass = False
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transposed_lyrics += transposed_chord
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# If still inside a chord tag something is wrong!
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if in_tag:
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return verse_text
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return verse_text, key
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else:
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return transposed_lyrics
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return transposed_lyrics, key
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def transpose_chord(chord, transpose_value, notation):
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def transpose_chord(chord, transpose_value, notation, key, lastchord, isbass):
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"""
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Transpose chord according to the notation used.
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NOTE: This function has a javascript equivalent in chords.js - make sure to update both!
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@ -624,59 +634,186 @@ def transpose_chord(chord, transpose_value, notation):
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'english': ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'],
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'neo-latin': ['Do', 'Reb', 'Re', 'Mib', 'Fab', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Si']
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}
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chord_split = chord.replace('♭', 'b').split('/')
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scales = {
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'german': {
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'C' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
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'Am' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
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'C#' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
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'A#m' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
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'Db' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
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'Bm' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
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'D' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
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'Hm' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
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'D#' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
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'H#m' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
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'Eb' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
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'Cm' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
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'E' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
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'C#m' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
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'F' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'Cb'],
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'Dm' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'H'],
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'F#' : ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
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'D#m' : ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
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'Gb' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
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'Ebm' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
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'G' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
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'Em' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'B', 'H'],
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'G#' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
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'E#m' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'H'],
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'Ab' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
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'Fm' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bb', 'B', 'Cb'],
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'A' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
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'F#m' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'B', 'H'],
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'A#' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'H'],
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'F##m' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'H'],
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'Fxm' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'H'],
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'B' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'Cb'],
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'Gm' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'B', 'Cb'],
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'H' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
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'G#m' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'H'],
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'Cb' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb'],
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'Abm' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bb', 'B', 'Cb']
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},
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'english': {
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'C' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
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'Am' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
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'C#' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
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'A#m' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
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'Db' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'Bm' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'D' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
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'Hm' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
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'D#' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
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'H#m' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
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'Eb' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'Cm' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'E' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
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'C#m' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
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'F' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'Cb'],
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'Dm' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'],
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'F#' : ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
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'D#m' : ['C', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
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'Gb' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'Ebm' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'G' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
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'Em' : ['C', 'Db', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'Ab', 'A', 'Bb', 'B'],
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'G#' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
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'E#m' : ['H#', 'C#', 'D', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'A', 'A#', 'B'],
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'Ab' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'Fm' : ['C', 'Db', 'Ebb', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'A' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
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'F#m' : ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'Bb', 'B'],
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'A#' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'B'],
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'F##m' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'B'],
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'Fxm' : ['H#', 'C#', 'Cx', 'D#', 'E', 'E#', 'F#', 'Fx', 'G#', 'Gx', 'A#', 'B'],
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'B' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'Cb'],
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'Gm' : ['C', 'Db', 'D', 'Eb', 'Fb', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'Cb'],
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'H' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
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'G#m' : ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'],
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'Cb' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb'],
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'Abm' : ['Dbb', 'Db', 'Ebb', 'Eb', 'Fb', 'Gbb', 'Gb', 'Abb', 'Ab', 'Bbb', 'Bb', 'Cb']
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}
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}
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notenumbers = {
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'german': {
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'C' : 0, 'H#' : 0, 'B##' : 0, 'Bx' : 0, 'Dbb' : 0,
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'C#' : 1, 'Db' : 1,
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'D' : 2, 'C##' : 2, 'Cx' : 2, 'Ebb' : 2,
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'D#' : 3, 'Eb' : 3,
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'E' : 4, 'D##' : 4, 'Dx' : 4, 'Fb' : 4,
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'F' : 5, 'E#' : 5, 'Gbb' : 5,
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'F#' : 6, 'Gb' : 6,
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'G' : 7, 'F##' : 7, 'Fx' : 7, 'Abb' : 7,
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'G#' : 8, 'Ab' : 8,
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'A' : 9, 'G##' : 9, 'Gx' : 9, 'Bb' : 9, 'Hbb' : 9,
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'B' : 10, 'A#' : 10, 'Hb' : 10,
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'H' : 11, 'B#' : 11, 'A##' : 11, 'Ax' : 11, 'Cb' : 11
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},
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'english': {
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'C' : 0, 'B#' : 0, 'Dbb' : 0,
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'C#' : 1, 'Db' : 1, 'B##' : 1, 'Bx' : 1,
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'D' : 2, 'C##' : 2, 'Cx' : 2, 'Ebb' : 2,
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'D#' : 3, 'Eb' : 3,
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'E' : 4, 'D##' : 4, 'Dx' : 4, 'Fb' : 4,
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'F' : 5, 'E#' : 5, 'Gbb' : 5,
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'F#' : 6, 'Gb' : 6,
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'G' : 7, 'F##' : 7, 'Fx' : 7, 'Abb' : 7,
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'G#' : 8, 'Ab' : 8,
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'A' : 9, 'G##' : 9, 'Gx' : 9, 'Bbb' : 9,
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'Bb' : 10, 'A#' : 10,
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'B' : 11, 'A##' : 11, 'Ax' : 11, 'Cb' : 11
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}
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}
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chord = chord.replace('♭', 'b').replace('♯', '#')
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transposed_chord = ''
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last_chord = ''
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minor = ''
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thischordchangeskey = False
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notes_sharp = notes_sharp_notation[notation]
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notes_flat = notes_flat_notation[notation]
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notes_preferred = ['b', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#']
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for i in range(0, len(chord_split)):
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if i > 0:
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transposed_chord += '/'
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current_chord = chord_split[i]
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if current_chord and current_chord[0] == '(':
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notes_preferred = ['b', '#', '#', 'b', '#', 'b', '#', '#', 'b', '#', 'b', '#']
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if chord and chord[0] == '(':
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transposed_chord += '('
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if len(current_chord) > 1:
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current_chord = current_chord[1:]
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if len(chord) > 1:
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chord = chord[1:]
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else:
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current_chord = ''
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if current_chord and current_chord[0] == '=':
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chord = ''
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if chord and chord[0] == '=':
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transposed_chord += '='
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if len(current_chord) > 1:
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current_chord = current_chord[1:]
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if len(chord) > 1:
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chord = chord[1:]
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thischordchangeskey = True
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else:
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current_chord = ''
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if current_chord and current_chord[0] == '|':
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chord = ''
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if chord and chord[0] == '|':
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transposed_chord += '|'
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if len(current_chord) > 1:
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current_chord = current_chord[1:]
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if len(chord) > 1:
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chord = chord[1:]
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else:
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current_chord = ''
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if len(current_chord) > 0:
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if len(current_chord) > 1:
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if '#b'.find(current_chord[1]) == -1:
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note = current_chord[0:1]
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rest = current_chord[1:]
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chord = ''
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if len(chord) > 0:
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if notation == 'neo-latin':
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if len(chord) > 2 and chord[0:3].lower() == 'sol':
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note = chord[0:3]
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chord = chord[3:] if len(chord) > 3 else ''
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elif len(chord) > 1:
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note = chord[0:2]
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chord = chord[2:] if len(chord) > 2 else ''
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else:
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note = current_chord[0:2]
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rest = current_chord[2:]
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note = chord[0]
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chord = chord[1:] if len(chord) > 1 else ''
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while len(chord) > 0 and '#bx'.find(chord[0]) > -1:
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note += chord[0]
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chord = chord[1:] if len(chord) > 0 else ''
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if len(chord) > 0:
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if 'm-'.find(chord[0]) > -1 or (len(chord) > 1 and chord[0:2].lower() == 'mi'):
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minor = chord[0]
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chord = chord[1:] if len(chord) > 1 else ''
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else:
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note = current_chord
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rest = ''
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note_number = notes_flat.index(note) if note not in notes_sharp else notes_sharp.index(note)
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minor = ''
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if note in notenumbers[notation]:
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note_number = notenumbers[notation][note]
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||||
note_number += transpose_value
|
||||
while note_number > 11:
|
||||
note_number -= 12
|
||||
while note_number < 0:
|
||||
note_number += 12
|
||||
if i == 0:
|
||||
current_chord = notes_sharp[note_number] if notes_preferred[note_number] == '#' else notes_flat[
|
||||
note_number]
|
||||
last_chord = current_chord
|
||||
if isbass:
|
||||
if lastchord:
|
||||
note = scales[notation][lastchord][note_number]
|
||||
elif key:
|
||||
note = scales[notation][key][note_number]
|
||||
else:
|
||||
current_chord = notes_flat[note_number] if last_chord not in notes_sharp else notes_sharp[note_number]
|
||||
if not (note not in notes_flat and note not in notes_sharp):
|
||||
transposed_chord += current_chord + rest
|
||||
note = notes_sharp[note_number] if notes_preferred[note_number] == '#' else notes_flat[note_number]
|
||||
else:
|
||||
transposed_chord += note + rest
|
||||
return transposed_chord
|
||||
if not key or thischordchangeskey:
|
||||
note = notes_sharp[note_number] if notes_preferred[note_number] == '#' else notes_flat[note_number]
|
||||
else:
|
||||
note = scales[notation][key][note_number]
|
||||
transposed_chord += note + minor + chord
|
||||
else:
|
||||
transposed_chord += chord
|
||||
if thischordchangeskey:
|
||||
key = note + minor
|
||||
else:
|
||||
if not isbass: lastchord = note + minor
|
||||
return transposed_chord, key, lastchord
|
||||
|
||||
Loading…
Reference in New Issue
Block a user