class MingusSong:
def __init__(self):
self.composition = Composition()
self.path = ''
self.song_name = ''
self.bar_length = 16
def load_from_song(self, song):
''' Fills a mingus-composition object with the data of a Song object '''
if 'bar_length' in song.info:
try:
self.bar_length = song.info['bar_length']
except:
print "You need to specify length of a Bar first before you can do this"
for line in song.lines:
track = Track()
bar = Bar()
for segment in line.segments:
if segment.type == 'pause':
int_val = None
elif segment.type == 'note':
int_val = segment.pitch
n = Note().from_int(int_val + 48)
note_length = float(self.bar_length) / segment.duration
if not bar.place_notes(n, note_length):
track.add_bar(bar)
bar = Bar()
bar.place_notes(n, note_length)
track.add_bar(bar)
self.composition.add_track(track)
self.path = song.path
self.song_name = song.reader.file_name[:-4]
def generate_pictures(self):
''' Generates pictures of the lines of notes '''
for k, track in enumerate(self.composition.tracks):
self.generate_picture(k)
def generate_picture(self, k):
''' Generates picture of the lines k '''
img_path = os.path.join(self.path, 'media', 'images')
if not os.path.exists(img_path):
os.makedirs(img_path)
import tempfile
tmp_dir = tempfile.mkdtemp()
track = self.composition.tracks[k]
ltrack = LilyPond.from_Track(track)
tmp_file = os.path.join(tmp_dir, 'tmp_file')
lily_str = li_header + ltrack
LilyPond.save_string_and_execute_LilyPond(lily_str, tmp_file, '-fps')
img_file = os.path.join(img_path, self.song_name + str(k) + '.png')
gs_cmd = 'gs -dBATCH -dNOPAUSE -g2048x256 -q -r273.5 ' \
+'-sDEVICE=pngalpha -sOutputFile="%s" "%s"' \
% (img_file, tmp_file + '.ps')
from subprocess import Popen
p = Popen(gs_cmd, shell=True)
sts = os.waitpid(p.pid, 0)
os.unlink(tmp_file + '.ps')
os.rmdir(tmp_dir)
def fib_song():
fluidsynth.init('soundfonts/grand_piano.sf2')
comp = Composition()
comp.add_track(fib_seq())
comp.add_track(fib_seq(offset=4))
comp.add_track(fib_seq(offset=8))
fluidsynth.play_Composition(comp)
def generate_composition(pattern, progression_type, nb_bars, key="C", rythm=60):
fluidsynth.init("198_u20_Electric_Grand.SF2") # permet d'initialiser l'instrument
newComposition = Composition()
progression_list = on_progression_type_change(progression_type, nb_bars)
left_hand = generate_pattern(progression_list, key, pattern, nb_bars)
newComposition.add_track(left_hand)
MidiFileOut.write_Composition("myComposition.mid", newComposition, rythm, False)
def createMingusComposition(intermed, timesig, bIsTreble, bSharps):
comp = Composition()
comp.set_title('Trilled Results')
comp.set_author('Author')
if bIsTreble: ins = TrebleInstrument('')
else: ins = BassInstrument('')
track = Track(ins)
track.name = 'Part 1'
comp.add_track(track)
assert len(timesig) == 2 and isinstance(timesig[0], int) and isinstance(
timesig[1], int)
firstbar = Bar(meter=timesig)
track.add_bar(firstbar)
mapDurs = {
int(intermed.baseDivisions * 4): 1.0, #whole note,
int(intermed.baseDivisions * 2): 2.0, #half note
int(intermed.baseDivisions * 1): 4.0, #qtr note, and so on
int(intermed.baseDivisions * 0.5): 8.0,
int(intermed.baseDivisions * 0.25): 16.0,
int(intermed.baseDivisions * 0.125): 32.0,
int(intermed.baseDivisions * 0.0625): 64.0,
}
for note in intermed.noteList:
if note.pitch == 0 or note.pitch == (0, ): # a rest
thepitches = tuple()
else: # a note
thepitches = []
for pitch in note.pitch:
pname, poctave = music_util.noteToName(pitch, bSharps)
thepitches.append(pname + '-' + str(poctave))
dur = note.end - note.start
if dur not in mapDurs:
raise NotesinterpretException('Unknown duration:' + str(dur))
notecontainer = NoteContainer(thepitches)
notecontainer.tied = note.isTied
bFit = track.add_notes(notecontainer, mapDurs[dur])
assert bFit
#note that, naturally, will enforce having correct measure lines, since going across barline throughs exception
return comp
def tests_to_mingus_composition():
# Create a composition, and add the vocal tracks to it.
composition = Composition()
composition.set_title('Counterpoint Exercise', '')
composition.set_author(author, '')
# Set up our vocal 'tracks' with the notes, key, meter defined in tracks.py
tracks = {}
for voice in [Soprano, Alto, Tenor, Bass]:
if len(melodies[voice.name]):
tracks[voice.name] = Track(instrument=voice())
tracks[voice.name].add_bar(Bar(key=key, meter=meter))
tracks[voice.name].name = voice.name
for note in melodies[voice.name]:
tracks[voice.name].add_notes(*note)
composition.add_track(tracks[voice.name])
return composition
def createMingusComposition(intermed, timesig, bIsTreble, bSharps):
comp = Composition()
comp.set_title('Trilled Results')
comp.set_author('Author')
if bIsTreble: ins = TrebleInstrument('')
else: ins=BassInstrument('')
track = Track(ins)
track.name = 'Part 1'
comp.add_track(track)
assert len(timesig)==2 and isinstance(timesig[0],int) and isinstance(timesig[1],int)
firstbar = Bar(meter=timesig)
track.add_bar(firstbar)
mapDurs={
int(intermed.baseDivisions*4): 1.0, #whole note,
int(intermed.baseDivisions*2): 2.0, #half note
int(intermed.baseDivisions*1): 4.0, #qtr note, and so on
int(intermed.baseDivisions*0.5): 8.0,
int(intermed.baseDivisions*0.25): 16.0,
int(intermed.baseDivisions*0.125): 32.0,
int(intermed.baseDivisions*0.0625): 64.0,
}
for note in intermed.noteList:
if note.pitch==0 or note.pitch==(0,): # a rest
thepitches = tuple()
else: # a note
thepitches = []
for pitch in note.pitch:
pname, poctave = music_util.noteToName(pitch,bSharps)
thepitches.append(pname+'-'+str(poctave))
dur = note.end - note.start
if dur not in mapDurs: raise NotesinterpretException('Unknown duration:' + str(dur))
notecontainer = NoteContainer(thepitches)
notecontainer.tied = note.isTied
bFit = track.add_notes(notecontainer, mapDurs[dur])
assert bFit
#note that, naturally, will enforce having correct measure lines, since going across barline throughs exception
return comp
def buildComposition(self, compose):
"""
function to parse file into a composition
:param compose: contents of midi file
:return: tuple containing composition and length of composition
"""
c = Composition()
count = 0
#get components
for track in compose:
t = self.track
for bar in track:
for info in bar:
#get note information and duration
t.add_notes(info[2], duration=info[1])
count = round(count + info[0], 2)
c.add_track(t)
return c, count
def generate_composition(pattern_index, progression_type, nb_bars, mode='none', key="C", rythm=60):
fluidsynth.init("198_u20_Electric_Grand.SF2") # permet d'initialiser l'instrument
newComposition = Composition()
progression_list = on_progression_type_change(progression_type, nb_bars)
# truc pour la main droite
if nb_bars == 1 :
phrase_list = choose_phrases(key, mode, nb_bars)
right_hand = use_phrase(phrase_list, progression_list, nb_bars, pattern_index, mode='none', key="C")
else :
chorus = generate_chorus(progression_list, pattern_index, mode, key)
#chorus retourne : une phrase de debut, une phrase de fin, 3 bars fixes
phrase_list = choose_first_phrases(nb_bars, key, mode, chorus[1], chorus[2], pattern_index)
right_hand = generate_long_right_hand(phrase_list, progression_list, nb_bars, pattern_index, mode, key, chorus)
newComposition.add_track(right_hand)
left_hand = generate_pattern(progression_list, key, pattern_index, nb_bars)
newComposition.add_track(left_hand)
MidiFileOut.write_Composition("myCompo.mid", newComposition, rythm, False)
return newComposition
def setup_tracks(midi_file_out=None):
from tracks import melodies, cantus_firmus, key, meter, species, author
# Create a composition, and add the vocal tracks to it.
composition = Composition()
composition.set_title('Counterpoint Exercise', '')
composition.set_author(author, '')
# Set up our vocal 'tracks' with the notes, key, meter defined in tracks.py
tracks = {}
for voice in [Soprano, Alto, Tenor, Bass]:
if len(melodies[voice.name]):
tracks[voice.name] = Track(instrument=voice())
tracks[voice.name].add_bar(Bar(key=key, meter=meter))
tracks[voice.name].name = voice.name
for note in melodies[voice.name]:
tracks[voice.name].add_notes(*note)
composition.add_track(tracks[voice.name])
if midi_file_out is not None:
# Save the midi file!
write_Composition(midi_file_out, composition, verbose=True)
return composition, [], species
def export(melody_track, chords, key, time_sig, bpm, file):
i = Instrument()
i.instrument_nr = 1
t2 = Track()
for i in range(0, len(chords)):
b = Bar(key, time_sig)
if len(chords[i][0]) > 5:
b.place_notes(None, 1)
else:
b.place_notes(NoteContainer(chords[i]), 1)
t2 + b
c = Composition()
c.add_track(melody_track)
c.add_track(t2)
out_dir = 'out'
if not os.path.exists(out_dir):
os.makedirs(out_dir)
mid = file.split('/')[-1]
if os.path.exists(out_dir + '/' + mid):
os.remove(out_dir + '/' + mid)
MidiFileOut.write_Composition(out_dir + '/' + mid, c, bpm)
file = out_dir + '/' + mid
sys.argv.append('')
sys.argv.append('')
sys.argv[1] = "--midi-file=" + file
sys.argv[2] = "--out-dir=" + out_dir
midi.main()
if os.path.exists(file):
os.remove(file)
async def run(self):
while await self.receive(): # flush messages
pass
c = Composition()
c.set_author("amg")
c.set_title(CFG.OUTPUT_PREFIX + self.agent.name)
c.add_track(self.agent.get("melody_track"))
c.add_track(self.agent.get("accompaniment_track"))
# fluidsynth.init("4U-Yamaha C5 Grand-v1.5.sf2", "alsa")
# fluidsynth.play_Composition(c)
midi_file_out.write_Composition(
CFG.OUTPUT_FOLDER + CFG.OUTPUT_PREFIX + self.agent.name + ".mid",
c, CFG.SONG_TEMPO)
l = lilypond.from_Composition(c)
extra = " \\score { \\new PianoStaff << \\set PianoStaff.instrumentName = #\"Piano \" \\new Staff = \"upper\" \\upper \\new Staff = \"lower\" \\lower >> \\layout { } }"
l2 = l.replace("{ {", "upper = {x {x", 1).replace(
"{ {", "lower = { {", 1).replace("{x {x", "{ {", 1) + extra
# print("<lilipond-"+CFG.OUTPUT_FOLDER+CFG.OUTPUT_PREFIX+self.agent.name+">\n"+l2)
lilypond.to_pdf(
l2, CFG.OUTPUT_FOLDER + CFG.OUTPUT_PREFIX + self.agent.name)
self.agent.presence.set_presence(
state=PresenceState(available=True, show=PresenceShow.AWAY))
self.set_next_state(S_FINISHED)
def vexflow_to_mingus_composition(melodies):
# Create a composition, and add the vocal tracks to it.
composition = Composition()
composition.set_title('Counterpoint Exercise', '')
composition.set_author(author, '')
# Set up our vocal 'tracks' with the notes, key, meter defined in tracks.py
tracks = {}
for voice in [Soprano, Alto, Tenor, Bass]:
lower_name = voice.name.lower()
if lower_name in melodies and melodies[lower_name]:
tracks[voice.name] = Track(instrument=voice())
tracks[voice.name].add_bar(Bar(key=key, meter=meter))
tracks[voice.name].name = voice.name
for bar in melodies[lower_name]:
for pitch, duration in bar:
pitch = pitch.replace('/', '-').upper()
if duration.endswith('r'):
pitch = None
duration = duration[:-1]
duration = inv_durations[duration]
tracks[voice.name].add_notes(pitch, duration)
composition.add_track(tracks[voice.name])
return composition
generator.add_notes_to(bar, count=1) # This line add the second note to the bar defined above ''' # Add bar to the track track.add_bar(bar1) bar2 = Bar() generator.add_notes_to(bar2, count=4) track.add_bar(bar2) bar3 = Bar() generator.add_notes_to(bar3, count=4) track.add_bar(bar3) bar4 = Bar() generator.add_notes_to(bar4, count=3) last_note_collection = note_collection(['C', 'E', 'G', 'B']) last_generator = NoteGenerator(notes=last_note_collection, duration=4) last_generator.add_notes_to(bar4, count=1) track.add_bar(bar4) # Add track to the composition composition.add_track(track) # Print the summary of the composition print(composition) # Export to a MIDI file mingus.midi.midi_file_out.write_Composition(pre + "melody generated at " + str(datetime.now()) + ".mid", composition, bpm=80, repeat=0, verbose=False)
name = ''
range = (Note('C', 0), Note('C', 10))
clef = 'Bass'
def __init__(self, name):
self.name = name
Instrument.__init__(self)
comp = Composition()
comp.set_title('The Mingus')
comp.set_author('Ben')
ins = TrebleInstrument('kazoo')
track = Track(ins)
track.name = 'WWW' #instead of 'untitled'
comp.add_track(track)
firstbar = Bar(meter=(3,4))
track.add_bar(firstbar)
print track.add_notes(['C-5'], 4.0)
print track.add_notes(['E-5'], 2.0)
print track.add_notes(['C-4','D-4'], 8.0)
print track.add_notes(['C-4','D-4','F-4'], 8.0)
print track.add_notes([], 8.0) #treated as rest?
print track.add_notes(['C-4','D-4'], 8.0)
print track.add_notes(['C-4','D-4'], 8.0)
print track.add_notes(['C-4','D-4'], 8.0)
print track.add_notes(['C-4','D-4'], 24.0)
print track.add_notes(['C-4','D-4'], 24.0)
print track.add_notes(['C-4','D-4'], 24.0)
trackmain = Track()
# here is where you set the actual instrument
print "Melody instrument: " + trackmain.set_instrument(instr).names[instr] + " ({})".format(instr)
s = SongGen.Song()
trackmain = s.generate(chorus, verse, bridge, trackmain.track)
# LAST BAR
b = Bar()
n = Note('C', 4)
n.set_channel(1)
b.place_notes(n, 4)
trackmain.add_bar(b)
song.add_track(trackmain)
# END MELODY #
# BEGIN HARMONY #
# setup verse
ini = [False] * 5
ini[random.randint(0, 4)] = True
# instr = random.randint(1, 104)
instr = 33
vel = [32, 48]
channel = 2
# instrument in this function does not matter if you are combining generated tracks
def generate_midi(instrument,
key,
chord_progression,
pad,
octave=None,
applause=False):
composition = Composition()
how_many_bars = 16
# Make all these configurable
# Or make them all random from a range
track = Track(instrument, channel=1)
drone_track = track_creator(pad, channel=2)
# drone_track = track_creator("Pad4 (choir)", channel=2)
# It's one of the few pitched drums
timpani_track = track_creator("Timpani", channel=3)
applause_track = track_creator("Applause", channel=4)
bar = Bar(key, (4, 4))
nc = NoteContainer("C", octave=2)
bar.place_notes(nc, 1)
applause_track.add_bar(bar)
for _ in range(how_many_bars):
# Can we get an index
# We can with enumerate, but why do we want it
for chord in chord_progression:
# The Chord Progression
bar = Bar(key, (4, 4))
if not octave:
octave = INSTRUMENT_OCTAVE.get(instrument.name, 4)
for length in random.sample(CHORD_RHYTHMS, 1)[0]:
some_notes = random.sample(chord,
random.randint(1, len(chord)))
nc = NoteContainer(some_notes, octave=int(octave))
bar.place_notes(nc, length)
track.add_bar(bar)
drone_bar = Bar(key, (4, 4))
nc = NoteContainer(chord[0], octave=2)
drone_bar.place_notes(nc, 1)
drone_track.add_bar(drone_bar)
timpani_bar = Bar(key, (4, 4))
nc = NoteContainer(key, octave=2)
for length in [4, 4, 4, 4]:
timpani_bar.place_notes(nc, length)
timpani_track.add_bar(timpani_bar)
composition.add_track(timpani_track, channel=5)
composition.add_track(drone_track)
composition.add_track(track)
# Do we want to add the channel when adding or creating the track?
if applause:
composition.add_track(applause_track)
instrument_name = MidiInstrument.names[instrument.instrument_nr]
write_Composition(midi_file_name(instrument_name), composition, bpm=120)
def gen_midi(self, tracks_data):
c = Composition()
all_tracks = tracks_data["tracks_data"]
curr_track = 0;
for track_data in all_tracks:
#TODO: set author, title, more specific instrument (that has a
#range set
data_max = max(track_data["note_data"])
data_min = min(track_data["note_data"])
data_dur_max = max(track_data["dur_data"])
data_dur_min = min(track_data["dur_data"])
data_range = data_max - data_min
####DURATIONS####
midi_durs = [self.map_range(0, len(self.mapping_dur_vals) - 1,
data_dur_min, data_dur_max, x, "dur")
for x in track_data["dur_data"]]
midi_durs = [self.mapping_dur_vals[int(x)] for x in midi_durs]
print "midi_durs: "
print midi_durs
####PITCHES####
midi_vals = [self.map_range(0, len(self.overall_mapping_vals) - 1,
data_min, data_max, x, "notes")
for x in track_data["note_data"]]
midi_vals = [self.overall_mapping_vals[int(x)] for x in midi_vals]
print "midi_pitches: "
print midi_vals
for instr in self.instrs:
t = Track()
b = Bar()
for index, midi_val in enumerate(midi_vals):
print "-----------------"
print "space left in bar"
print b.space_left()
if midi_val in instr["mapping_vals"]:
print "inserting NON-REST NOTE"
print "inserting NON-REST NOTE"
val_to_insert = Note().from_int(int(midi_val))
print "DONE INSERTING NON-REST NOTE"
else:
print "INSERTING REST"
val_to_insert = None #insert rest instead
print "ABOUT TO INSERT"
dur_to_insert_1 = 1.0/((1.0/float(midi_durs[index])) * 0.99)
dur_to_insert_2 = 1.0/((1.0/float(midi_durs[index])) * 0.01)
b, insert_result_1 = self.insert_into_bar(curr_track, b, val_to_insert,
dur_to_insert_1)
print "trying to insert note..."
print insert_result_1
print "midi note DURATION is: "
print midi_durs[index]
if insert_result_1:
b, insert_result_2 = self.insert_into_bar(curr_track, b, None,
dur_to_insert_2)
print "trying to insert note..."
print insert_result_2
print "midi note DURATION is: "
print midi_durs[index]
if not insert_result_1:
if b.space_left() == 0.0:
print "hit edge case!!!!"
t.add_bar(b)
b = Bar()
b, insert_result = self.insert_into_bar(curr_track,
b, val_to_insert, dur_to_insert_1)
b, insert_result = self.insert_into_bar(curr_track,
b, None, dur_to_insert_2)
print "bar is now (after edge case): "
print b
continue
space_p = b.space_left()
space = 1.0/space_p
print "space percentage left: "
print space_p
print "note space left: "
print space
note_remainder = value.subtract(midi_durs[index], space)
print "note duration: "
print midi_durs[index]
print "note remainder: "
print note_remainder
print "bar before INSERTING PART 1 OF TIE: "
print b
dur_to_insert_1_space = 1.0/((1.0/float(space)) * 0.99)
dur_to_insert_2_space = 1.0/((1.0/float(space)) * 0.01)
if space <= 16.0:
print "NOTE IS LARGER THAN 16 NOTE"
b, insert_result = self.insert_into_bar(curr_track, b, val_to_insert, dur_to_insert_1_space)
b, insert_result = self.insert_into_bar(curr_track, b, None, 1.0/b.space_left())
else:
print "NOTE IS *NOT* LARGER THAN 16 NOTE"
b, insert_result = self.insert_into_bar(curr_track, b, None, space)
print "bar AFTER: "
print b
print "inserting part one of tie result: "
print insert_result
print "is bar full??? (IT SHOULD BE)"
print b.is_full()
t.add_bar(b)
b = Bar()
b, insert_result = self.insert_into_bar(curr_track, b, None, note_remainder)
print "inserting part TWO of tie result: "
print insert_result
print "bar after inserting remaining piece: "
print b
print "BAR IS NOW"
print b
#end for
#add last bar
if b.space_left() == 0.0:
t.add_bar(b)
else:
#need to fill remaining space with rest
space_p = b.space_left()
space = 1.0/space_p
#b, insert_result = self.insert_into_bar(curr_track, b,
# Note(None), space)
print "result for filling rest of last bar with rest: "
print insert_result
print "is bar full after adding rest to end of last bar??? (IT SHOULD BE)"
print b.is_full()
print "bar WITH REST is now: "
print b
t.add_bar(b)
logger.debug("Track: ")
logger.debug(t)
#at very end of loop add track to composition
c.add_track(t)
curr_track += 1
#write_Composition("midi_success.mid", c);
return self.gen_midi_data(c)
def main():
repo = Repo(sys.argv[1])
factory = cf.ConverterFactory()
converter = factory.get_converter("mod")
curtime = datetime.datetime.now()
if (len(sys.argv) == 3):
target_file = sys.argv[2]
else:
target_file = "gitmelody" + str(curtime.year) + str(curtime.month) + str(curtime.hour) \
+ str(curtime.minute) + str(curtime.second) + ".mid"
commits = list(repo.iter_commits('master'))
timesignature = converter.getTimeSignature(commits)
tsValue = timesignature[0] / timesignature[1]
print(tsValue)
print(timesignature)
#nc = NoteContainer()
bar = Bar()
if timesignature != None:
bar.set_meter((timesignature[0], timesignature[1]))
t = Track()
t2 = Track()
dursum = 0
tsValue = 1
c = Composition()
#durations are between 1 and 128
for item in commits:
#note_item = get_note_from_commit(item.stats.total)
note_item = converter.getNoteFromCommit(item.stats.total)
if (dursum + (1 / note_item[1]) <= tsValue):
dursum = dursum + 1 / note_item[1]
bar.place_notes(note_item[0], note_item[1])
else:
dursum = 0
if (bar.space_left() > 0):
booleanValue = bool(random.getrandbits(1))
if booleanValue == True:
bar.place_notes(note_item[0], bar.space_left())
else:
bar.place_rest(bar.space_left())
t.add_bar(bar)
second_line = converter.getChordOrArpeggio(bar)
t2.add_bar(second_line)
bar = Bar()
bar.set_meter((timesignature[0], timesignature[1]))
c.add_track(t)
c.add_track(t2)
print(bar.meter)
#bar.place_notes(note_item[0], note_item[1])
#t.add_notes(note_item[0])
#print(item.stats.total['insertions'])
#print(item.stats.additions)
#print(item.stats.deletions)
#print(item.stats.total)a
#nc = NoteContainer(["A", "C", "E"])
#midi_file_out.write_Track(target_file, t)
midi_file_out.write_Composition(target_file, c)
chords_bars = []
for chord in chords_list:
chord_nc = NoteContainer(chords.from_shorthand(chord))
bar = Bar()
bar.place_notes(chord_nc, 1)
chords_bars.append(bar)
solo_track = Track()
chords_track = Track()
for _ in range(num_progressions):
for bar in generate_solo(chords_list):
solo_track.add_bar(bar)
for bar in chords_bars:
chords_track.add_bar(bar)
guitar = MidiInstrument()
guitar.instrument_nr = 26
solo_track.instrument = guitar
piano = MidiInstrument()
piano.instrument_nr = 0
chords_track.instrument = piano
song = Composition()
song.add_track(solo_track)
song.add_track(chords_track)
MidiFileOut.write_Composition("test.mid", song)
filename = "test.mid"
call("timidity -Ow {0}".format(filename), shell=True)
# fluidsynth -F test.wav -i -n -T wav soundfont.sf2 test.mid
def compose(primary_pc_sets, rhythm_cycles, ensemble, meter, bpm, stability, repeat_chance, repeat_attempts, repeat_loops, repetitions, filename = 'output.mid'): """ Generates a post-tonal composition and resultant midi file using the given materials (function arguments) in conjunction with stochastic processes. Takes a list of PcSets, a list of Rythm_cycles, a list of Instruments, an integer tuple for meter (time signature), an integer for bpm (tempo), a floats for stability and repeat_chance, integers for repeat_loops and repetitions, and a string for output filename. """ for pc_set in primary_pc_sets: assert isinstance(pc_set, PcSet) for rhythm_cycle in rhythm_cycles: assert isinstance(rhythm_cycle, Rhythm_cycle) for instrument in ensemble: assert isinstance(instrument, Instrument) assert isinstance(meter, tuple) assert isinstance(bpm, int) assert isinstance(stability, int) or isinstance(stability, float) assert stability >= 0 and stability <= 100 assert isinstance(repeat_chance, int) or isinstance(repeat_chance, float) assert repeat_chance >= 0 and repeat_chance <= 100 assert isinstance(repeat_attempts, int) assert repeat_attempts in range(0, 101) assert isinstance(repeat_loops, int) assert repeat_loops in range(0, 101) assert isinstance(repetitions, int) assert repetitions in range(0, 101) assert isinstance(filename, str) # print parameters: print "\nBasic Parameters:\n" print "Meter: " + str(meter) print "BPM: " + str(bpm) print "Repeat chance:" + str(repeat_chance) print "Repeat attempts:" + str(repeat_attempts) print "Repeat loops:" + str(repeat_loops) print "Repetitions: " + str(repetitions) print "Output Destination: " + filename print "\nPrimary Pitch-Class Sets:" for index, item in enumerate(primary_pc_sets): interval_vector = item.ivec() common_tone_vector = ctvec(item) print "\n#" + str(index+1) + ":" print "Pitch-Class Set: " + str(item) print "Interval Vector: " + str(interval_vector) print "Common-Tone Vector: " + str(common_tone_vector) print "\nRhythm Cycles:" for index, rhythm in enumerate(rhythm_cycles): print "\n#" + str(index+1) + ":" rhythm_cycles[-1].display() # compose pc_set_progression sections: pc_set_progression = list() section_length = list() # section 1: for index in range(len(primary_pc_sets)): for primary_pc_set in primary_pc_sets[0:index+1]: spectrum = transposition_spectrum(primary_pc_set) contrast = index if contrast not in range(len(spectrum)): contrast = len(spectrum)-1 pc_set_progression.extend(neighbor_by_contrast(primary_pc_set, contrast)) section_length.append(len(pc_set_progression)) # section 2: for index, primary_pc_set in enumerate(primary_pc_sets[0:-1]): spectrum = transposition_spectrum(primary_pc_set) contrast = index if contrast not in range(len(spectrum)): contrast = len(spectrum)-1 pc_set_progression.extend(palindrome_successive_neighbor_by_contrast(primary_pc_set, contrast, len(primary_pc_sets[0:-1])-index)) section_length.append(len(pc_set_progression)) # section 3: primary_pc_set = primary_pc_sets[-1] spectrum = transposition_spectrum(primary_pc_set) contrast = len(spectrum)-1 pc_set_progression.extend(cadential_progressive_successive_neighbor(primary_pc_set)) section_length.append(len(pc_set_progression)) # section 4: for index, primary_pc_set in enumerate(reversed(primary_pc_sets)): spectrum = transposition_spectrum(primary_pc_set) contrast = len(spectrum)-(1+index) if contrast not in range(len(spectrum)): contrast = 0 pc_set_progression.extend(neighbor_by_contrast(primary_pc_set, contrast)) section_length.append(len(pc_set_progression)) print "\nSection lengths:" for item in section_length: print str(item) print "\nPitch-Class Set Progression:" for index, item in enumerate(pc_set_progression): print str(index) + ": " + str(item) # compose pc_sequence: pc_sequence = list() print "\nPitch-Class Sequence:" for pc_set in pc_set_progression: seq = Pc_sequence(pc_set, repeat_chance, repeat_attempts, repeat_loops) pc_sequence.append(seq) print str(pc_sequence[-1].sequence) instrument = ensemble[0] track = Track(instrument) track.name = instrument.name composition = Composition() #title = "my title" #composition.set_title(title) #print composition.title #author = "Pierrot" #composition.set_author(author) #print composition.author note = Note() track.add_bar(Bar()) track.bars[-1].set_meter(meter) count = 0 cur_rhythm_cycle = 0 cur_section = 0 first_note = False for index, item in enumerate(pc_sequence): orchestrator = Orchestrator(item, instrument, stability) while not orchestrator.completed(): # select rhythm cycle if index == len(pc_sequence)-1: cycle = rhythm_cycles[cur_rhythm_cycle] else: if count == 0: cycle = rhythm_cycles[cur_rhythm_cycle] elif count % section_length[cur_section] == 0: cur_rhythm_cycle += 1 cur_section += 1 if cur_rhythm_cycle == len(rhythm_cycles): cur_rhythm_cycle = 0 if cur_section == len(section_length): cur_section = 0 cycle = rhythm_cycles[cur_rhythm_cycle] print "\ncount = " + str(count) print "rhythm cycle # " + str(cur_rhythm_cycle) print "section # " + str(cur_section) print "section length = " + str(section_length[cur_section]) unit = cycle.get_next_unit() print "cycle position = " + str(cycle.get_index()) print "unit value = " + str(unit.get_value()) if track.bars[-1].is_full(): track.add_bar(Bar()) track.bars[-1].set_meter(meter) if unit.is_rest(): print "unit is rest" if not track.bars[-1].place_rest(unit.get_value()): print "not enough room in bar" if track.bars[-1].space_left() == 0: print "adding new bar" track.add_bar(Bar()) track.bars[-1].set_meter(meter) value_left = track.bars[-1].value_left() if track.bars[-1].space_left >= 1.0/unit.get_value(): print "placing rest" track.bars[-1].place_rest(unit.get_value()) else: difference = subtract(unit.get_value(), value_left) while difference != 0: print "spliting rest across bars" track.bars[-1].place_rest(value_left) track.add_bar(Bar()) track.bars[-1].set_meter(meter) if space_left >= 1.0/difference: track.bars[-1].place_rest(difference) break else: print "unit is note" note = orchestrator.next() if not first_note: first_note = note print str(next) if not track.bars[-1].place_notes(note, unit.get_value()): print "not enough room in bar" if track.bars[-1].space_left() != 0: value_left = track.bars[-1].value_left() print "value left = " + str(value_left) cur_beat = track.bars[-1].current_beat print "filling in remaining space" track.bars[-1].place_notes(note, value_left) value_needed = subtract(unit.get_value(), value_left) print "adding bars to fit full value" track.add_bar(Bar()) track.bars[-1].set_meter(meter) value_bar = track.bars[-1].value_left() bars_added = 1 while 1.0/value_needed > 1.0/value_bar: print "adding bar" track.add_bar(Bar()) track.bars[-1].set_meter(meter) value_needed = subtract(value_needed, value_bar) bars_added+=1 if not track.bars[-bars_added].place_notes_at(cur_beat, unit.get_value()): print "could not fit value" count+=1 note = first_note composition.add_track(track) write_Composition(filename, composition, bpm, repetitions) print "\n" print repr(composition) print "\nCompleted." print "\nOutput saved as: " + filename + "\n" return
class MingusSong:
def __init__(self):
self.composition = Composition()
self.path = ''
self.song_name = ''
self.bar_length = 16
def load_from_song(self, song):
''' Fills a mingus-composition object with the data of a Song object '''
if 'bar_length' in song.info:
try:
self.bar_length = song.info['bar_length']
except:
print ("You need to specify length of a Bar first before you can do this")
for line in song.lines:
track = Track()
bar = Bar()
for segment in line.segments:
if segment.type == 'pause':
int_val = None
elif segment.type == 'note':
int_val = segment.pitch
n = Note().from_int(int_val + 48)
note_length = float(self.bar_length) / segment.duration
if not bar.place_notes(n, note_length):
track.add_bar(bar)
bar = Bar()
bar.place_notes(n, note_length)
track.add_bar(bar)
self.composition.add_track(track)
self.path = song.path
self.song_name = song.reader.file_name[:-4]
def generate_pictures(self):
''' Generates pictures of the lines of notes '''
for k, track in enumerate(self.composition.tracks):
self.generate_picture(k)
def generate_picture(self, k):
''' Generates picture of the lines k '''
img_path = os.path.join(self.path, 'media', 'images')
if not os.path.exists(img_path):
os.makedirs(img_path)
import tempfile
tmp_dir = tempfile.mkdtemp()
track = self.composition.tracks[k]
ltrack = LilyPond.from_Track(track)
tmp_file = os.path.join(tmp_dir, 'tmp_file')
lily_str = li_header + ltrack
LilyPond.save_string_and_execute_LilyPond(lily_str, tmp_file, '-fps')
img_file = os.path.join(img_path, self.song_name + str(k) + '.png')
gs_cmd = 'gs -dBATCH -dNOPAUSE -g2048x256 -q -r273.5 ' \
+'-sDEVICE=pngalpha -sOutputFile="%s" "%s"' \
% (img_file, tmp_file + '.ps')
from subprocess import Popen
p = Popen(gs_cmd, shell=True)
sts = os.waitpid(p.pid, 0)
os.unlink(tmp_file + '.ps')
os.rmdir(tmp_dir)
from mingus.containers import Note
from mingus.containers import NoteContainer
from mingus.containers import Bar
from mingus.containers import Track
from mingus.containers.instrument import Instrument, Piano, Guitar
from mingus.containers import Composition
from mingus.midi.midi_file_out import write_Composition
eb = Note("Eb", 4)
g = Note("G", 4)
bb = Note("Bb", 4)
n = NoteContainer([eb, g, bb])
c = Composition()
c.set_author('Dusty Carver', '*****@*****.**')
c.set_title('Late Nights')
t = Track(Guitar())
b = Bar('Eb', (4, 4))
b.place_notes(n, 4)
b.place_notes(n, 4)
b.place_notes(n, 4)
b.place_notes(None, 4)
t.add_bar(b)
c.add_track(t)
write_Composition("one.mid", c)