Alarma simple para Pomodoros en Python + Tkinter

pomodoro.py

#! /usr/bin/env python3

import time
import datetime as dt

import tkinter
from tkinter import messagebox
from tkinter import simpledialog
from tkinter import Button
import os


def play_sound():
	file = "/home/santiago/Music/alert.wav"
	os.system("play " + file)


def quit():
	global root
	root.destroy()


def check():
	global t_now, t_fut, t_fin, total_pomodoros, timenow, root, answer
	if t_now < t_fut:
		print('First tnow < tfut')
	# Commented out. Uncomment to add a break of 5 mins into the comodoro!
	# it is now past working pomodoro, within the break. Delete the websites
	elif t_fut <= t_now <= t_fin:
		print('Break time!')
	# Pomodoro and break finished. Check if ready for another pomodoro!
	else:
		print('Third tnow > tfut - Finished')
		# Ring a bell (with print('\a') to alert of end of program.
		print('\a')
		# Annoy!
		play_sound()
		usr_ans = messagebox.askyesno(
			"Termino el pomodoro!", "Queres empezar otro?")
		total_pomodoros += 1
		if usr_ans == True:
			# user wants another pomodoro! Update values to indicate new timeset.
			answer = simpledialog.askstring("Hola", "Que vas a hacer?",
								parent=root)
			t_now = dt.datetime.now()
			t_fut = t_now + dt.timedelta(0, t_pom)
			t_fin = t_now + dt.timedelta(0, t_pom+delta_sec)
			root.after(1000, check)
		elif usr_ans == False:
			print("Terminamos! \nCompletaste " +
				  str(total_pomodoros) + " pomodoros hoy.")
			# unlock the websites
			# Show a final message)
			messagebox.showinfo("Pomodoro Finished!", "\nIt is now " + timenow +
								"\nYou completed "+str(total_pomodoros)+" pomodoros today!")
	t_now = dt.datetime.now()
	timenow = t_now.strftime("%H:%M")
	text = "Haciendo " + answer + " hasta las " + t_fin.strftime("%H:%M") + " siendo las " + timenow
	labelTime.config(text=text, width="50")
	root.after(20000, check)


root = tkinter.Tk()
root.geometry("400x400")
Button(root, text="Salir", command=quit).pack()
labelTime = tkinter.Label(root)
labelTime.pack()

total_pomodoros = 0


t_now = dt.datetime.now()
t_min = 25

t_pom = t_min * 60

t_delta = dt.timedelta(0, t_pom)

t_fut = t_now + t_delta

delta_sec = 1
t_fin = t_now + dt.timedelta(0, t_pom+delta_sec)

answer = simpledialog.askstring("Hola", "Que vas a hacer?",
								parent=root)
# GUI set pomodoro in motion!
usr_ans = messagebox.askyesno("Arrancamos el Pomodoro!", "\nAhora son las "+t_now.strftime("%H:%M") +
							  " hrs. \nLa alarma esta seteada a " + str(t_min) + " mins.")

if usr_ans == True:
	# root.iconify()
	root.title("Trabajando")
	text = "Haciendo " + answer + " hasta las " + t_fin.strftime("%H:%M")
	labelTime.config(text=text, width="50")
	t_now = dt.datetime.now()
	timenow = t_now.strftime("%H:%M")
	check()
	root.mainloop()

print('\n\nMade it to the end!\n\n')