# from mido import *
from mido import MidiFile, Message, MetaMessage, bpm2tempo, second2tick, tick2second
# import .notes as N
from . import notes as N
from .scales import *
from .chords import *
from .instruments import *
from .voices import *
from .percussions import *
from .arps import *
[docs]def new_midi(title='', tempo=500000):
'''sets up a mido midi file with initial meta track'''
mf = MidiFile()
track = mf.add_track(name='meta')
if title:
track.append(MetaMessage('text', text=title, time=0))
track.append(MetaMessage('set_tempo', tempo=tempo, time=0))
return mf
[docs]def set_new_track(mf, name='', instrument=''):
track = mf.add_track(name=name)
# if instrument:
# track.append(MetaMessage('text', text='TITLE', time=0))
return track
# def set_note(track, note=60, channel=0, velocity=64, duration=480):
# duration = int(duration)
# track.append(Message('note_on', note=note, channel=channel, velocity=velocity, time=0))
# track.append(Message('note_off', note=note, channel=channel, velocity=127, time=duration))
# def set_note_on(track, note=60, channel=0, velocity=64, duration=480):
# duration = int(duration)
# track.append(Message('note_on', note=note, channel=channel, velocity=velocity, time=0))
# track.append(Message('note_on', note=0, channel=channel, velocity=velocity, time=0))
# track.append(Message('note_off', note=0, channel=channel, velocity=127, time=duration))
# def set_chord(track, root=60, chord_type=C.major, channel=0, velocity=64, duration=480):
# duration = int(duration)
# chord = pm.C.CHORDS[chord_type]
# for offset in chord:
# track.append(Message('note_on', note=root+offset, channel=channel, velocity=velocity, time=0))
# for offset in chord:
# if offset == 0:
# time = duration
# else:
# time = 0
# track.append(Message('note_off', note=root+offset, channel=channel, velocity=127, time=time))
[docs]def save_midi(mf, folder, filename):
import os
sessions = os.path.expanduser('~') + '/Sessions'
out = f'{sessions}/{folder}/'
os.makedirs(out, exist_ok=True)
filepath = out + filename
mf.save(filepath)
print(f' * {filepath}')
return filepath
