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Raoul Snyman 2021-08-01 18:18:16 +00:00 committed by STEPHANVS
parent 921d83c827
commit 2bdb028cdf
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2 changed files with 33 additions and 33 deletions
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36
openlp/plugins/songs/lib/__init__.py
View File

@ -584,8 +584,8 @@ def transpose_verse(verse_text, transpose_value, notation, key):
# 6/9 chords should be noted 6-9 or 69 or 6add9
lyric_list = re.split(r'(\[|\]|/)', verse_text)
transposed_lyrics = ''
isbass = False
lastchord = None
is_bass = False
last_chord = None
in_tag = False
for word in lyric_list:
if not in_tag:
@ -597,15 +597,15 @@ def transpose_verse(verse_text, transpose_value, notation, key):
in_tag = False
transposed_lyrics += word
elif word == '/':
isbass = True
is_bass = True
transposed_lyrics += word
elif word == '--}{--':
transposed_lyrics += word
else:
# This MUST be a chord
transposed_chord, key, lastchord = transpose_chord(word, transpose_value, notation, key, lastchord,
transposed_chord, key, last_chord = transpose_chord(word, transpose_value, notation, key, last_chord,
isbass)
isbass = False
is bass = False
transposed_lyrics += transposed_chord
# If still inside a chord tag something is wrong!
if in_tag:
@ -614,7 +614,7 @@ def transpose_verse(verse_text, transpose_value, notation, key):
return transposed_lyrics, key
def transpose_chord(chord, transpose_value, notation, key, lastchord, isbass):
def transpose_chord(chord, transpose_value, notation, key, last_chord, is_bass):
"""
Transpose chord according to the notation used.
NOTE: This function has a javascript equivalent in chords.js - make sure to update both!
@ -754,7 +754,7 @@ def transpose_chord(chord, transpose_value, notation, key, lastchord, isbass):
'Labm': ['Rebb', 'Reb', 'Mibb', 'Mib', 'Fab', 'Solbb', 'Solb', 'Labb', 'Lab', 'Sibb', 'Sib', 'Dob']
}
}
notenumbers = {
note_numbers = {
'german': {
'C': 0, 'H#': 0, 'B##': 0, 'Bx': 0, 'Dbb': 0,
'C#': 1, 'Db': 1,
@ -801,7 +801,7 @@ def transpose_chord(chord, transpose_value, notation, key, lastchord, isbass):
chord = chord.replace('♭', 'b').replace('♯', '#')
transposed_chord = ''
minor = ''
thischordchangeskey = False
is_key_change_chord = False
notes_sharp = notes_sharp_notation[notation]
notes_flat = notes_flat_notation[notation]
notes_preferred = ['b', '#', '#', 'b', '#', 'b', '#', '#', 'b', '#', 'b', '#']
@ -815,7 +815,7 @@ def transpose_chord(chord, transpose_value, notation, key, lastchord, isbass):
transposed_chord += '='
if len(chord) > 1:
chord = chord[1:]
thischordchangeskey = True
is_key_change_chord = True
else:
chord = ''
if chord and chord[0] == '|':
@ -844,28 +844,28 @@ def transpose_chord(chord, transpose_value, notation, key, lastchord, isbass):
chord = chord[1:] if len(chord) > 1 else ''
else:
minor = ''
note_number = notenumbers[notation][note]
note_number = note_numbers[notation][note]
note_number += transpose_value
while note_number > 11:
note_number -= 12
while note_number < 0:
note_number += 12
if isbass:
if lastchord:
note = scales[notation][lastchord][note_number]
if is_bass:
if last_chord:
note = scales[notation][last_chord][note_number]
elif key:
note = scales[notation][key][note_number]
else:
note = notes_sharp[note_number] if notes_preferred[note_number] == '#' else notes_flat[note_number]
else:
if not key or thischordchangeskey:
if not key or is_key_change_chord:
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
if thischordchangeskey:
if is_key_change_chord:
key = note + minor
else:
if not isbass:
lastchord = note + minor
return transposed_chord, key, lastchord
if not is_bass:
last_chord = note + minor
return transposed_chord, key, last_chord

30
tests/openlp_plugins/songs/test_lib.py
View File

@ -276,16 +276,16 @@ def test_transpose_chord_up():
# GIVEN: A Chord
chord = 'C'
key = None
lastchord = None
isbass = False
last_chord = None
is_bass = False
# WHEN: Transposing it 1 up
new_chord, key, lastchord = transpose_chord(chord, 1, 'english', key, lastchord, isbass)
new_chord, key, last_chord = transpose_chord(chord, 1, 'english', key, last_chord, is_bass)
# THEN: The chord should be transposed up one note
assert new_chord == 'C#', 'The chord should be transposed up.'
assert key is None, 'The key should not be set'
assert lastchord == 'C#', 'If not isbass, then lastchord should be returned'
assert last_chord == 'C#', 'If not is_bass, then last_chord should be returned'
def test_transpose_chord_up_adv():
@ -295,21 +295,21 @@ def test_transpose_chord_up_adv():
# GIVEN: An advanced Chord
chord = '(D/F#)'
key = None
lastchord = None
isbass = False
chordsplit = chord.split("/")
last_chord = None
is_bass = False
chord_split = chord.split("/")
# WHEN: Transposing it 1 up
new_chord, key, lastchord = transpose_chord(chordsplit[0], 1, 'english', key, lastchord, isbass)
new_chord, key, last_chord = transpose_chord(chord_split[0], 1, 'english', key, last_chord, is_bass)
# AFTER "/" isbass is true, lastchord is set
isbass = True
new_bass, key, lastchord = transpose_chord(chordsplit[1], 1, 'english', key, lastchord, isbass)
is_bass = True
new_bass, key, last_chord = transpose_chord(chord_split[1], 1, 'english', key, last_chord, is_bass)
# THEN: The chord should be transposed up one note
assert new_chord == '(Eb', 'The chord should be transposed up.'
assert new_bass == 'G)', 'Bass should be transposed up.'
assert key is None, 'no key should be defined'
assert lastchord == 'Eb', 'lastchord is generated'
assert last_chord == 'Eb', 'last_chord is generated'
def test_transpose_chord_down():
@ -319,16 +319,16 @@ def test_transpose_chord_down():
# GIVEN: A Chord
chord = 'C'
key = None
lastchord = None
isbass = False
last_chord = None
is_bass = False
# WHEN: Transposing it 1 down
new_chord, key, lastchord = transpose_chord(chord, -1, 'english', key, lastchord, isbass)
new_chord, key, last_chord = transpose_chord(chord, -1, 'english', key, last_chord, is_bass)
# THEN: The chord should be transposed down one note
assert new_chord == 'B', 'The chord should be transposed down.'
assert key is None, 'The key should not be set'
assert lastchord == 'B', 'If not isbass, then lastchord should be returned'
assert last_chord == 'B', 'If not is_bass, then last_chord should be returned'
def test_transpose_chord_error():