#! /usr/bin/env/ python3
import os
import random
import string
import time
from itertools import zip_longest
from pysine import sine
def words(words_per_minute):
""" Calculates the proper duration and spacing based on the selected words per minute """
# For 18 wpm and greater, use:
if words_per_minute >= 18:
unit = 1.2 / words_per_minute
dit = round(unit, 2)
dah = round(unit * 3, 2)
elem_space = round(unit, 2)
char_space = round(unit * 3, 2)
word_space = round(unit * 7, 2)
wpm_settings = (dit, dah, elem_space, char_space, word_space)
# For wpm less than 18, use:
else:
unit = 1.2 / 18
dit = round(unit, 2)
dah = round(unit * 3, 2)
elem_space = round(unit, 2)
char_speed = 18
char_space = round(unit * 3, 2)
word_space = round(unit * 7, 2)
delay = ((60 * char_speed) - (37.2 * words_per_minute)) / (char_speed * words_per_minute)
char_delay = 3 * delay / 19
word_delay = 7 * delay / 19
char_space += char_delay
word_space += word_delay
wpm_settings = (dit, dah, elem_space, round(char_space, 2), round(word_space, 2))
return wpm_settings
def grouper(iterable, n=5, fillvalue=None):
""" Creates 5 (n) letter 'words' from single string of characters"""
big_iterable = []
for c in range(50): # Set the number of groups; 2500 characters = 500 groups. Characters must be divisible by 5
big_iterable.append(random.choice(iterable))
args = [iter(big_iterable)] * n
return zip_longest(*args, fillvalue=fillvalue)
def settings():
"""
This function generates the settings for words-per-minute (wpm), play back frequency and character set
"""
print("Here you will be able to create settings for:")
print("\t** Words per minute\n\t** Frequency of play back\n\t** Type of characters\n")
setting = []
while True:
try:
wrds_p_min = int(input("How many words per minute would you like? (whole numbers only between 5 and 70): "))
if wrds_p_min < 5 or wrds_p_min > 70:
print("Must be a positive whole number greater than or equal than 5 and less than or equal to 70.")
continue
else:
break
except ValueError as e:
print("Must be a positive whole number greater than 0 and less than or equal to 70.", e)
continue
wpm = words(wrds_p_min) # Get the appropriate values based on words per minute
setting.append(wpm)
while True:
try:
freq = int(input("What play back frequency would you like? (whole numbers only): "))
if freq < 400:
print("Must be a positive whole number greater than or equal to 400.")
continue
else:
break
except ValueError as e:
print("Must be a positive whole number greater than or equal to 400.", e)
continue
setting.append(freq)
while True:
try:
print("1 Alpha\n2 Numeric\n3 Punctuation\n4 Alpha and Numeric\n5 Alpha and Punctuation\n6 Numeric and "
"Punctuation\n7 All")
char_set = int(input("Which character set(s) would you like? (select one): "))
if char_set < 1 or char_set > 7:
print("Must be a number 1 through 7")
continue
else:
break
except ValueError as e:
print("Must be a positive whole number greater than or equal to 1.", e)
continue
punc = '.,?`!/()&:;=+-_$@\u00b4' # added close quote '\u00b4'
if char_set == 1:
char_set = string.ascii_lowercase
elif char_set == 2:
char_set = string.digits
elif char_set == 3:
char_set = punc
elif char_set == 4:
char_set = string.ascii_lowercase + string.digits
elif char_set == 5:
char_set = string.ascii_lowercase + punc
elif char_set == 6:
char_set = string.digits + punc
elif char_set == 7:
char_set = string.ascii_lowercase + string.digits + punc
setting.append(char_set)
print("Settings have been saved.")
time.sleep(3)
return setting
def write_file(setting):
""" Creates a text file of selected character set(s) """
groups = grouper(setting)
content = list(groups)
with open('code_file.txt', 'w', encoding='utf-8') as file:
total = 0
w = 0
while total < len(content):
for g in content[w]:
file.write(g)
w += 1
file.write(' ')
total += 1
print('File code_file.txt has been created in the current working directory.')
time.sleep(3)
return
def play_file(wpm, freq):
""" Play back the file code_file.txt """
dit = wpm[0]
dah = wpm[1]
elem_space = wpm[2]
char_space = wpm[3]
word_space = wpm[4]
morse = {'a': '.-', 'b': '-...', 'c': '-.-.', 'd': '-..', 'e': '.',
'f': '..-.', 'g': '--.', 'h': '....', 'i': '..', 'j': '.---',
'k': '-.-', 'l': '.-..', 'm': '--', 'n': '-.', 'o': '---',
'p': '.--.', 'q': '--.-', 'r': '.-.', 's': '...', 't': '-',
'u': '..-', 'v': '...-', 'w': '.--', 'x': '-..-', 'y': '-.--',
'z': '--..', '1': '.----', '2': '..---', '3': '...--',
'4': '....-', '5': '.....', '6': '-....', '7': '--...',
'8': '---..', '9': '----.', '0': '-----', '.': '.-.-.-',
',': '--..--', '?': '..--..', '`': '.----.', '!': '-.-.--',
'/': '-..-.', '(': '-.--.', ')': '-.--.-', '&': '.-...',
':': '---...', ';': '-.-.-.', '=': '-...-', '+': '.-.-.',
'-': '-....-', '_': '..--.-', '$': '...-..-', '@': '.--.-.',
'\u00b4': '.-..-.'}
print('Commencing in 5 seconds ...')
time.sleep(5)
with open('code_file.txt', 'r', encoding='utf-8') as file:
for line in file:
for word in line.split():
for character in word:
print('Character: ', character.capitalize()) # REMOVE IF YOU DON"T WANT TO CHEAT :-D
letter = morse[character]
for element in letter:
if element == '.':
sine(freq, dit)
sine(0, elem_space)
elif element == '-':
sine(freq, dah)
sine(0, elem_space)
sine(0, char_space)
sine(0, word_space)
print("\nEnd of file reached\n")
exit_prog()
def exit_prog():
""" Function to exit the program """
print("You are now exiting the program ...")
def main_mnu():
while True:
os.system('cls' if os.name == 'nt' else 'clear')
print('This is the Main Menu. Please make a selection.')
print('\t1) Settings')
print('\t2) Create Code File')
print('\t3) Play Code')
print('\n\t4) Exit')
choice = input('\nEnter choice: ')
try:
if choice == '1':
setting_list = list(settings())
continue
if choice == '2':
if not setting_list != []:
print("You need to create the settings first, please enter '1' at the prompt")
continue
else:
write_file(setting_list[2])
continue
if choice == '3':
exists = os.path.exists('code_file.txt')
if exists:
play_file(setting_list[0], setting_list[1])
break
else:
print("The file 'code_file.txt' does not exist")
continue
if choice == '4':
exit_prog()
break
except KeyError as err:
print('Not an option, try again.', err)
if __name__ == '__main__':
main_mnu() 
