def test_transmission(self):
import multiprocessing as mp
if hasattr(mp, 'set_start_method'):
mp.set_start_method('spawn')
iq = mp.Queue()
oq = mp.Queue()
portName = 'TestVirtualPorts.%i' % time.time()
senderProc = mp.Process(target=SenderProc, args=(oq, iq, portName))
senderProc.start()
# handshake
self.assertEqual(iq.get(), 'init') # virtual midi port is now open
# Supposedly you can't just open a virtual port by name from
# within the same proc or proc group? Anyway opening by index
# works.
device = RtMidiIn()
for i in range(device.getPortCount()):
if device.getPortName(i) == portName:
device.openPort(i)
break
self.assertTrue(device.isPortOpen())
# collect messages and print progress
self.messages = []
self.last_s = ''
def put(m):
self.messages.append(m)
if len(self.messages) % 10 == 0:
sys.stdout.write('\b' * len(self.last_s)) # backspace
self.last_s = '%s: Received message %i / 32640' % (__name__, len(self.messages))
sys.stdout.write(self.last_s)
# sys.stdout.write('.')
sys.stdout.flush()
oq.put('start')
for i in range(128):
for j in range(1, 128):
msg = device.getMessage(1000)
self.assertTrue(msg is not None)
self.assertTrue(msg.isNoteOn())
self.assertEqual(msg.getNoteNumber(), i)
self.assertEqual(msg.getVelocity(), j)
put(msg)
oq.put('next')
for i in range(128):
for j in range(128):
msg = device.getMessage(1000)
self.assertTrue(msg is not None)
self.assertTrue(msg.isController())
self.assertEqual(msg.getControllerNumber(), i)
self.assertEqual(msg.getControllerValue(), j)
put(msg)
oq.put('next')
self.assertEqual(len(self.messages), 32640)
oq.put('done')
class M2K:
def __init__(self):
self.config_path = Path().cwd() / "m2k.json"
self.table: dict = {}
self.midi = RtMidiIn()
self.keyboard = Controller()
def set_config(self) -> NoReturn:
with open(str(self.config_path), "r") as j:
self.table = json.load(j)
def update_config(self, update: dict) -> NoReturn:
with open(str(self.config_path), "w") as new:
new.write(json.dumps(update))
self.set_config()
def send_key(self, midi_message) -> NoReturn:
key = midi_message.getMidiNoteName(midi_message.getNoteNumber())
if key not in self.table:
return
if midi_message.isNoteOn():
self.keyboard.press(self.table[key])
elif midi_message.isNoteOff():
self.keyboard.release(self.table[key])
def run(self) -> NoReturn:
ports = range(self.midi.getPortCount())
if ports:
print("Running")
self.midi.openPort(1)
while True:
if midi_message := self.midi.getMessage(0):
self.send_key(midi_message)
def test_transmission(self):
import multiprocessing as mp
if hasattr(mp, 'set_start_method'):
mp.set_start_method('spawn')
iq = mp.Queue()
oq = mp.Queue()
portName = 'TestVirtualPorts.%i' % time.time()
senderProc = mp.Process(target=SenderProc, args=(oq, iq, portName))
senderProc.start()
# handshake
self.assertEqual(iq.get(), 'init') # virtual midi port is now open
# Supposedly you can't just open a virtual port by name from
# within the same proc or proc group? Anyway opening by index
# works.
device = RtMidiIn()
for i in range(device.getPortCount()):
if device.getPortName(i) == portName:
device.openPort(i)
break
self.assertTrue(device.isPortOpen())
# collect messages and print progress
self.messages = []
self.last_s = ''
def put(m):
self.messages.append(m)
if len(self.messages) % 10 == 0:
sys.stdout.write('\b' * len(self.last_s)) # backspace
self.last_s = '%s: Received message %i / 32640' % (
__name__, len(self.messages))
sys.stdout.write(self.last_s)
# sys.stdout.write('.')
sys.stdout.flush()
oq.put('start')
for i in range(128):
for j in range(1, 128):
msg = device.getMessage(1000)
self.assertTrue(msg is not None)
self.assertTrue(msg.isNoteOn())
self.assertEqual(msg.getNoteNumber(), i)
self.assertEqual(msg.getVelocity(), j)
put(msg)
oq.put('next')
for i in range(128):
for j in range(128):
msg = device.getMessage(1000)
self.assertTrue(msg is not None)
self.assertTrue(msg.isController())
self.assertEqual(msg.getControllerNumber(), i)
self.assertEqual(msg.getControllerValue(), j)
put(msg)
oq.put('next')
self.assertEqual(len(self.messages), 32640)
oq.put('done')