def test_morse_to_sound(self, text, output):
"""This test checks if the message in Morse code will have have the correct length when it will be an audio
Morse code.
"""
object = SoundManager()
length_array = str(len(object.morse_text_to_sound(text_to_sound=text)))
assert length_array == output
class MorseInterface:
"""This class allows to handle the operations via graphical interface. Those operations can be such as: translation
messages from and to Morse code and save the messages, it allows to listen, stop listening and save audio Morse
file with different frequencies.
"""
def __init__(self):
"""Constructor method."""
self.language = LanguageManager()
self.sound = SoundManager()
self.window = Tk()
self.conversion = ConversionManager()
self.window.title("Fun with Morse")
self.window.geometry("1000x700")
self.window.resizable(False, False)
self.window.config(padx=40, pady=20, bg=BG_COLOUR)
self.window.iconbitmap('./images/morse_icon.ico')
self.language_to = StringVar(self.window)
self.language_to.set(self.language.translator)
self.options_list = [
self.language.to_language, self.language.from_language
]
self.options_menu = OptionMenu(self.window, self.language_to,
*self.options_list)
self.options_menu.config(width=16)
self.options_menu.place(x=750, y=215)
self.translated_text = None
# Add flags.
img_en = Image.open("./images/united_kingdom.png").resize(
(WIDTH_FLAG, HEIGHT_FLAG))
img_pl = Image.open("./images/poland.png").resize(
(WIDTH_FLAG, HEIGHT_FLAG))
img_fre = Image.open("./images/france.png").resize(
(WIDTH_FLAG, HEIGHT_FLAG))
img_ger = Image.open("./images/germany.png").resize(
(WIDTH_FLAG, HEIGHT_FLAG))
england_flag = ImageTk.PhotoImage(img_en)
poland_flag = ImageTk.PhotoImage(img_pl)
france_flag = ImageTk.PhotoImage(img_fre)
germany_flag = ImageTk.PhotoImage(img_ger)
# Add buttons.
self.button_en = Button(
self.window,
image=england_flag,
highlightthickness=0,
command=lambda: self.change_program_language('EN'))
self.button_en.place(x=780, y=0)
self.button_pl = Button(
self.window,
image=poland_flag,
highlightthickness=0,
command=lambda: self.change_program_language('PL'))
self.button_pl.place(x=820, y=0)
self.button_fre = Button(
self.window,
image=france_flag,
highlightthickness=0,
command=lambda: self.change_program_language('FRE'))
self.button_fre.place(x=860, y=0)
self.button_ger = Button(
self.window,
image=germany_flag,
highlightthickness=0,
command=lambda: self.change_program_language('GER'))
self.button_ger.place(x=900, y=0)
self.title_label = Label(self.window,
text=self.language.title,
bg=BG_COLOUR,
fg=FG_COLOUR,
font=("verdana", 35, "bold"),
pady=30)
self.title_label.place(x=100, y=20)
self.input_label = Label(self.window,
text=self.language.your_text,
fg=BG_ENTRY_COLOUR,
justify='left',
bg=BG_COLOUR,
font=('verdana', 12, 'bold'))
self.input_label.place(x=0, y=190)
self.input_entry = scrolledtext.ScrolledText(self.window,
font=('verdana', 12),
height=10,
width=60,
bg=BG_ENTRY_COLOUR,
cursor="pencil",
wrap=WORD)
self.input_entry.focus()
self.input_entry.place(x=110, y=130)
self.load_text_button = Button(self.window,
text=self.language.load_file,
font=('verdana', 15),
justify='center',
width=10,
command=self.load_file)
self.load_text_button.place(x=750, y=160)
self.apply_button = Button(self.window,
text=self.language.convert,
font=('verdana', 15),
justify='center',
width=10,
command=self.convert)
self.apply_button.place(x=750, y=250)
self.output_label = Label(self.window,
text=self.language.morse_message,
fg=BG_ENTRY_COLOUR,
justify='left',
bg=BG_COLOUR,
font=('verdana', 12, 'bold'))
self.output_label.place(x=0, y=390)
self.output = scrolledtext.ScrolledText(self.window,
font=('verdana', 12),
height=10,
width=60,
bg=BG_ENTRY_COLOUR,
wrap=WORD,
state='disabled')
self.output.place(x=110, y=330)
self.copy_button = Button(self.window,
text=self.language.copy_text,
font=('verdana', 15),
justify='center',
width=10,
command=self.copy_text_to_clipboard)
self.copy_button.place(x=750, y=350)
self.save_button = Button(self.window,
text=self.language.save,
font=('verdana', 15),
justify='center',
width=10,
command=self.save_text)
self.save_button.place(x=750, y=410)
self.delete_button = Button(self.window,
text=self.language.delete,
font=('verdana', 15),
justify='center',
width=10,
command=self.delete_text)
self.delete_button.place(x=750, y=470)
self.play_button = Button(self.window,
text=self.language.start,
font=('verdana', 15),
justify='center',
width=10,
command=self.play_morse_sound)
self.frequency_label = Label(self.window,
text=self.language.frequency,
fg=BG_ENTRY_COLOUR,
justify='left',
bg=BG_COLOUR,
font=('verdana', 12, 'bold'))
self.frequency_scale = Scale(self.window,
orient="horizontal",
bg=FG_COLOUR,
from_=400,
to=900,
resolution=50,
sliderlength=20,
length=150,
fg=BG_ENTRY_COLOUR,
font=('verdana', 10, 'bold'))
self.frequency_scale.set(self.sound.frequency)
self.stop_button = Button(self.window,
text=self.language.stop,
font=('verdana', 15),
justify='center',
width=10,
command=self.stop_playing)
self.save_sound_button = Button(self.window,
text=self.language.save_sound,
font=('verdana', 15),
justify='center',
width=20,
command=self.save_morse_sound)
self.window.mainloop()
def convert(self):
"""This method is used to program the action of the button responsible for choosing the translation of the text
from or to the Morse code.
"""
self.output.configure(state='normal')
self.output.delete("1.0", END)
text = self.input_entry.get("1.0", END)
text = text.replace("\n", " ")
if self.language_to.get() in list(
languages_words[item]["translator"]
for item in list(languages_words.keys())):
messagebox.showwarning(title="Error",
message=self.language.translator)
elif self.language_to.get() in list(
languages_words[item]["to_language"]
for item in list(languages_words.keys())):
self.show_widgets()
self.translated_text = self.conversion.convert_text_to_morse(
text[:-1])
self.output.insert(END, self.translated_text)
self.output.configure(state='disabled')
elif self.language_to.get() in list(
languages_words[item]["from_language"]
for item in list(languages_words.keys())):
self.hide_widgets()
self.translated_text = self.conversion.convert_morse_to_text(text)
self.output.insert(END, self.translated_text)
self.output.configure(state='disabled')
def delete_text(self):
"""Delete your text and Morse code from fields when the delete_button is clicked."""
self.output.configure(state='normal')
self.hide_widgets()
self.language_to.set(self.language.translator)
self.output.delete("1.0", END)
self.input_entry.delete("1.0", END)
self.input_entry.focus()
self.output.configure(state='disabled')
def copy_text_to_clipboard(self):
"""Copy converted text to clipboard when the copy_button is clicked."""
self.window.clipboard_clear()
self.window.clipboard_append(self.translated_text)
def save_text(self):
"""Save converted text to the computer when the save_button is clicked."""
text = self.output.get("1.0", END)
if text is not None:
files = [('Text Document', '*.txt')]
morse_file = asksaveasfile(title=self.language.save_in_direction,
filetypes=files,
defaultextension=files)
if morse_file is not None:
morse_file.write(text)
morse_file.close()
def load_file(self):
"""Load text for translation from the computer when the load_text_button is clicked."""
files = [('Text Document', '*.txt')]
text_file = askopenfile(mode='r',
title=self.language.load_from_direction,
filetypes=files,
defaultextension=files)
if text_file is not None:
text_inside = text_file.read()
text_file.close()
self.input_entry.insert("1.0", text_inside)
def change_program_language(self, program_language):
"""Change text version of the application when one of the flag buttons is clicked."""
self.language.change_language(program_language)
self.input_label.config(text=self.language.your_text)
self.title_label.config(text=self.language.title)
self.load_text_button.config(text=self.language.load_file)
self.apply_button.config(text=self.language.convert)
self.output_label.config(text=self.language.morse_message)
self.copy_button.config(text=self.language.copy_text)
self.save_button.config(text=self.language.save)
self.delete_button.config(text=self.language.delete)
self.frequency_label.config(text=self.language.frequency)
self.play_button.config(text=self.language.start)
self.stop_button.config(text=self.language.stop)
self.save_sound_button.config(text=self.language.save_sound)
self.options_list = [
self.language.to_language, self.language.from_language
]
self.language_to.set(self.language.translator)
languages_menu = self.options_menu["menu"]
languages_menu.delete(0, END)
for string in self.options_list:
languages_menu.add_command(
label=string,
command=lambda value=string: self.language_to.set(value))
def play_morse_sound(self):
"""Play the audio Morse code when the play_button is clicked."""
freq = self.frequency_scale.get()
self.sound.frequency = freq
text_to_sound = self.output.get("1.0", END)
self.sound.convert(self.sound.morse_text_to_sound(text_to_sound))
self.sound.play_audio()
def save_morse_sound(self):
"""Save the audio Morse code to audio file to the computer when the save_sound_button is clicked."""
files = [('Sound', '*.wav')]
morse_file = asksaveasfile(title=self.language.save_sound,
filetypes=files,
defaultextension=files)
if morse_file is not None:
freq = self.frequency_scale.get()
self.sound.frequency = freq
text_to_sound = self.output.get("1.0", END)
self.sound.convert(self.sound.morse_text_to_sound(text_to_sound))
self.sound.save(morse_file.name)
morse_file.close()
def stop_playing(self):
"""Stop audio Morse code playback when the stop_button is clicked."""
self.sound.playing_object.stop()
def show_widgets(self):
"""Show widgets supporting audio Morse code."""
self.play_button.place(x=300, y=560)
self.frequency_label.place(x=110, y=530)
self.frequency_scale.place(x=110, y=560)
self.frequency_scale.set(self.sound.frequency)
self.stop_button.place(x=460, y=560)
self.save_sound_button.place(x=630, y=560)
def hide_widgets(self):
"""Hide widgets supporting audio Morse code."""
self.play_button.place_forget()
self.frequency_label.place_forget()
self.frequency_scale.place_forget()
self.frequency_scale.place_forget()
self.stop_button.place_forget()
self.save_sound_button.place_forget()