def to_png(self):
c = Composition()
c.set_author(self.author)
c.set_title(self.title)
c.add_track(self.track)
ly_string = LilyPond.from_Composition(c)
#print ly_string
LilyPond.to_png(ly_string, self.title)
def index():
if request.method == 'POST':
keys = ["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"]
meters = [(2,2), (2,4), (3,4), (4,4)]
bars = int(request.form['bars'])
key = keys[int(request.form['key'])]
meter = meters[int(request.form['meter'])]
scale = int(request.form['scale'])
composition = Composition()
composition.set_author("by givemeasheet.com", "*****@*****.**")
composition.set_title("%d bars exercise in %s" % (bars, key))
track = Track(Guitar())
dificulty = 3
if scale == 0:
scale = scales.diatonic(key)
scale_name = "Natural Major"
elif scale == 1:
scale = scales.natural_minor(key)
scale_name = "Natural Minor"
elif scale == 2:
scale = scales.harmonic_minor(key)
scale_name = "Minor Harmonic"
elif scale == 3:
scale = scales.melodic_minor(key)
scale_name = "Minor Melodic"
composition.subtitle = scale_name
for bar in range(0,bars):
bar = Bar(key, meter)
while not bar.is_full():
# Random note
index = randrange(dificulty)
note = Note(scale[index])
possibles = get_possibles(bar)
bar.place_notes(note, possibles[randrange(len(possibles))])
track.add_bar(bar)
composition.add_track(track)
l = LilyPond.from_Composition(composition)
u = uuid.uuid1()
file_name = "/var/www/givemeasheet/givemeasheet/static/sheets/%s" % u.hex
LilyPond.save_string_and_execute_LilyPond(l, file_name, "-fpng")
sheet="/static/sheets/%s.png" % os.path.basename(file_name)
midi="/static/sheets/%s.midi" % os.path.basename(file_name)
MidiFileOut.write_Composition("%s.midi" % file_name, composition)
return render_template('index.html', sheet=sheet, midi=midi)
else:
return render_template('index.html')
