Remake of S. Francis Writing Machine

import pygame
import pygame.midi
import keyboard
import time

# Initialise a MIDI instance
def MIDI_init ():
    if pygame.midi.get_init() == 1:
        pygame.midi.quit()
    pygame.midi.init()

def output_select():
    for n in range(pygame.midi.get_count()):
        print (n,pygame.midi.get_device_info(n))
    device_ID = int(input ("Enter your OUTPUT device number []\n"))
    return (pygame.midi.Output(device_ID))

def keyboard_read():
    key = ''
    while (key == ''):
        key = keyboard.read_key()
        if keyboard.is_pressed(key) != True:
            key = 'Released'
    keyboard.unhook_all()
    if key != 'Released':
        return key

myDict = {'a': 22,  'A': 22,
          'b': 10,  'B': 10,
          'c': 0,   'C': 0,
          'd': 2,   'D': 2,
          'e': 17,  'E': 17,
          'f': 5,   'F': 5,
          'g': 6,   'G': 6,
          'h': 4,   'H': 4,
          'i': 18,  'I': 18,
          'j': 8,   'J': 8,
          'k': 3,   'K': 3,
          'l': 9,   'L': 9,
          'm': 16,  'M': 16,
          'n': 15,  'N': 15,
          'o': 20,  'O': 20,
          'p': 1,   'P': 1,
          'q': 13,  'Q': 13,
          'r': 11,  'R': 11,
          's': 24,  'S': 24,
          't': 12,  'T': 12,
          'u': 7,   'U': 7,
          'v': 23,  'V': 23,
          'w': 19,  'W': 19, 
          'x': 21,  'X': 21,
          'y': 14,  'Y': 14,
          'z': 26,  'Z':26}

signal_log = [False] * 27
octave = 2

def TXT_to_MIDI (midi_output, key):
    keynum = myDict.get (key) #use get() to avoid keyerror
    if (keynum == None):   #redundant
        return
    midi_output.note_off (keynum + 24*octave, velocity=127, channel=0) 
    midi_output.note_on (keynum + 24*octave, velocity=127, channel=0)
    time.sleep(0.1) # MIDI signal duration of 0.1 seconds
    midi_output.note_off (keynum + 24*octave, velocity=127, channel=0)
    

# Main body
MIDI_init ()
midi_output = output_select()

key = None
print ("Press ESC to stop the script")

while (key != 'esc'):
    key = keyboard_read()
    TXT_to_MIDI (midi_output, key)

import time
import pygame
import pygame.midi

def MIDI_init ():
    if pygame.midi.get_init() == 1:
        pygame.midi.quit()
    pygame.midi.init()

def input_select():
    for n in range(pygame.midi.get_count()):
        print (n,pygame.midi.get_device_info(n))
    device_ID = int(input ("Enter your INPUT device number\n"))
    return (pygame.midi.Input(device_ID))

def output_select():
    for n in range(pygame.midi.get_count()):
        print (n,pygame.midi.get_device_info(n))
    device_ID = int(input ("Enter your OUTPUT device number []\n"))
    return (pygame.midi.Output(device_ID))


def MIDI_read (midi_input, midi_output):
    if pygame.midi.Input.poll(midi_input) == True:
        # Read the MIDI message and pass it on
        midi_data = midi_input.read (1) #or midi_data = pygame.midi.Input.read(midi_input,1)
        midi_output.write_short(midi_data[0][0][0],midi_data[0][0][1],127) # converts velocity to MAX
        # Dissect the midi message
        midi_note, timestamp = midi_data[0]
        note_status, keynum, velocity, unused = midi_note
        #print("Note Status: ", note_status, " Key Number: ", keynum," Velocity: " , velocity, "\n\tTime Stamp: ", timestamp)
        
        # https://www.cs.cmu.edu/~music/cmsip/readings/MIDI%20tutorial%20for%20programmers.html
        status_byte = bin(note_status)[2:6]
        channel = int(bin(note_status)[6:], 2) + 1
        
        if status_byte == "1001":
            key_down = True
        else: 
            key_down = False
        return (keynum, key_down, channel)
    else:
        time.sleep(.01)
        return False


import serial
 
ser = serial.Serial()
ser.baudrate = 115200
ser.port = 'COM3'
ser.open()  

# message = [keynum, key_down, channel]
def MIDI_pass_to_Arduino(keynum): 
    value_sent = bytearray([int(keynum)])
    ser.write(value_sent)
    value_received = int.from_bytes(ser.read(1), 'big')
    print (value_received)
    return (value_sent)
    

MIDI_init ()
midi_input = pygame.midi.Input(3)
midi_output = pygame.midi.Output(6)


while (True):
    message = MIDI_read(midi_input,midi_output)
    if message != False:
        if message[1] == True:
            MIDI_pass_to_Arduino(message[0])

# Run this line at the end to prevent odd errors
ser.close()