class Tune:
def __init__(self):
self.title = ''
self.meter = 6.0 / 8.0
self.rhythm = 'Jig'
self.noteLength = 1.0 / 8.0
self.key = ''
self.origin = ''
self.currentNote = Note(self.noteLength)
self.phraseChain = PhraseChain(self.meter, self.noteLength)
def setMeter(self, meter):
self.meter = meter
self.phraseChain.meter = meter
def setNoteLength(self, noteLength):
self.noteLength = noteLength
self.phraseChain.noteLength = noteLength
def GetLengthModifier(self, note):
return self.noteLength
def extractPhrasesFromLine(self, line):
# Detect notes
inChord = False
for char in line.strip():
# Record everything between " as a single note, as it is a chord
if IsChord(char):
if inChord:
# Close the chord
inChord = False
else:
# Begin a new chord
inChord = True
self.phraseChain.addNote(self.currentNote)
self.currentNote = Note(self.noteLength)
self.currentNote.addChar(char)
# If a chord is in progress, continue recording that chord until
# the chord is closed
elif inChord:
self.currentNote.addChar(char)
# If the character comes before a note and a note has been
# recorded in the previous sequence, begin a new note
# Otherwise, just add the character
elif IsPreNote(char):
if self.currentNote.containsNote():
self.phraseChain.addNote(self.currentNote)
self.currentNote = Note(self.noteLength)
self.currentNote.addChar(char)
# If the character is a note, do the same as PreNote above
elif IsNote(char):
if self.currentNote.containsNote():
self.phraseChain.addNote(self.currentNote)
self.currentNote = Note(self.noteLength)
self.currentNote.addChar(char)
# If the character comes after a note, it will only be added
# if a note has been recorded. This may lose some information.
elif IsPostNote(char):
if self.currentNote.containsNote():
self.currentNote.addChar(char)
elif char == '%':
# Rest of the line is commented out
break
elif IsIgnored(char):
continue
else:
print(ord(char))
print("Warning: Unrecognized char [{}] from line [{}]".format(
char, line))
def parseFile(self, fileName):
if '.abc' not in fileName:
print("Warning: The selected file is not a .abc file.")
abcFile = open(fileName, 'r')
for line in abcFile:
if any(x in line for x in [
'A:', 'B:', 'C:', 'D:', 'E:', 'F:', 'G:', 'H:', 'I:', 'N:',
'O:', 'P:', 'Q:', 'S:', 'W:', 'Z'
]):
continue
if 'X:' in line:
tuneNumber = ParseAbcInfo(line)
if tuneNumber != '1':
# Begin parsing the new tune
print("New tune {}".format(tuneNumber))
elif 'T:' in line:
self.title = ParseAbcInfo(line)
elif 'R:' in line:
self.rhythm = ParseAbcInfo(line)
elif 'K:' in line:
self.key = ParseAbcInfo(line)
elif 'M:' in line:
self.setMeter(ParseAbcFraction(line))
elif 'L' in line:
self.setNoteLength(ParseAbcFraction(line))
elif line.strip() == '':
continue
else:
self.extractPhrasesFromLine(line)
class Tune:
def __init__(self):
self.title = ''
self.meter = 6.0/8.0
self.rhythm = 'Jig'
self.noteLength = 1.0/8.0
self.key = ''
self.origin = ''
self.currentNote = Note(self.noteLength)
self.phraseChain = PhraseChain(self.meter, self.noteLength)
def setMeter(self, meter):
self.meter = meter
self.phraseChain.meter = meter
def setNoteLength(self, noteLength):
self.noteLength = noteLength
self.phraseChain.noteLength = noteLength
def GetLengthModifier(self, note):
return self.noteLength
def extractPhrasesFromLine(self, line):
# Detect notes
inChord = False
for char in line.strip():
# Record everything between " as a single note, as it is a chord
if IsChord(char):
if inChord:
# Close the chord
inChord = False
else:
# Begin a new chord
inChord = True
self.phraseChain.addNote(self.currentNote)
self.currentNote = Note(self.noteLength)
self.currentNote.addChar(char)
# If a chord is in progress, continue recording that chord until
# the chord is closed
elif inChord:
self.currentNote.addChar(char)
# If the character comes before a note and a note has been
# recorded in the previous sequence, begin a new note
# Otherwise, just add the character
elif IsPreNote(char):
if self.currentNote.containsNote():
self.phraseChain.addNote(self.currentNote)
self.currentNote = Note(self.noteLength)
self.currentNote.addChar(char)
# If the character is a note, do the same as PreNote above
elif IsNote(char):
if self.currentNote.containsNote():
self.phraseChain.addNote(self.currentNote)
self.currentNote = Note(self.noteLength)
self.currentNote.addChar(char)
# If the character comes after a note, it will only be added
# if a note has been recorded. This may lose some information.
elif IsPostNote(char):
if self.currentNote.containsNote():
self.currentNote.addChar(char)
elif char == '%':
# Rest of the line is commented out
break
elif IsIgnored(char):
continue
else:
print(ord(char))
print("Warning: Unrecognized char [{}] from line [{}]"
.format(char, line))
def parseFile(self, fileName):
if '.abc' not in fileName:
print("Warning: The selected file is not a .abc file.")
abcFile = open(fileName, 'r')
for line in abcFile:
if any(x in line for x in [ 'A:', 'B:', 'C:', 'D:', 'E:', 'F:',
'G:', 'H:', 'I:', 'N:', 'O:', 'P:',
'Q:', 'S:', 'W:', 'Z']):
continue
if 'X:' in line:
tuneNumber = ParseAbcInfo(line)
if tuneNumber != '1':
# Begin parsing the new tune
print("New tune {}".format(tuneNumber))
elif 'T:' in line:
self.title = ParseAbcInfo(line)
elif 'R:' in line:
self.rhythm = ParseAbcInfo(line)
elif 'K:' in line:
self.key = ParseAbcInfo(line)
elif 'M:' in line:
self.setMeter(ParseAbcFraction(line))
elif 'L' in line:
self.setNoteLength(ParseAbcFraction(line))
elif line.strip() == '':
continue
else:
self.extractPhrasesFromLine(line)
def test_note_length(self):
baseNoteLength = 1.0 / 8.0
testBasic = Note(baseNoteLength)
testBasic.addChar('F')
self.assertEqual(testBasic.getLength(), 1 * baseNoteLength)
testBasic.addChar('3')
self.assertEqual(testBasic.getLength(), 3 * baseNoteLength)
testBasic.addChar('/')
self.assertEqual(testBasic.getLength(), 3.0 / 2.0 * baseNoteLength)
testBasic.addChar('2')
self.assertEqual(testBasic.getLength(), 3.0 / 2.0 * baseNoteLength)
numberlessFraction = Note(baseNoteLength)
numberlessFraction.addChar('D')
numberlessFraction.addChar('/')
self.assertEqual(numberlessFraction.getLength(),
1.0 / 2.0 * baseNoteLength)
numberlessFraction.addChar('/')
self.assertEqual(numberlessFraction.getLength(),
1.0 / 4.0 * baseNoteLength)
testDotted = Note(baseNoteLength)
testDotted.addChar('=')
testDotted.addChar('c')
testDotted.addChar('>')
testDotted.addChar('!')
self.assertTrue(testDotted.isDotted())
self.assertFalse(testDotted.isHalved())
self.assertEqual(testDotted.getLength(), 1.5 * baseNoteLength)
