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gui.py
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gui.py
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from tkinter import Tk, messagebox, Spinbox, Button, END
from solver import SudokuBoard, UnsolvableSudokuException, InvalidSudokuException
FONT_SIZE = 15
BOX_WIDTH = 2
TITLE = "Sudoku Solver"
SOLVE_TEXT = "Solve"
CLEAR_TEXT = "Clear"
def solve_sudoku(rows):
return SudokuBoard(rows).solved().rows
def set_to_solved(spinboxes):
#Sets all spinboxes to the solved sudoku
#Shows messageboxes for unsolvable/invalid Sudokus
rows = get_all_spinboxes(spinboxes)
rows_with_nones = zeros_to_nones(rows)
try:
solved_rows = solve_sudoku(rows_with_nones)
set_all_spinboxes(spinboxes, solved_rows)
except InvalidSudokuException:
messagebox.showinfo("Error", "Invalid Sudoku")
except UnsolvableSudokuException:
messagebox.showinfo("Error", "Unsolvable Sudoku")
def set_spinbox(spinbox, value):
#Sets the value of a spinbox
spinbox.delete(0, END)
spinbox.insert(0, str(value))
def set_all_spinboxes(spinboxes, new_values):
#Sets all spinboxes to an array of values
for y, row in enumerate(spinboxes):
for x, spinbox in enumerate(row):
set_spinbox(spinbox, str(new_values[y][x]))
def clean_all_spinboxes(spinboxes):
#Sets all their values to 0
set_all_spinboxes(spinboxes, [[0,0,0,0,0,0,0,0,0] for _ in range(9)])
def get_all_spinboxes(spinboxes):
#Gets the value of all spinboxes
values = [[],[],[],[],[],[],[],[],[]]
for y, row in enumerate(spinboxes):
for x, spinbox in enumerate(row):
values[y].append(int(spinbox.get()))
return values
def nones_to_zeros(rows):
#Transforms all the 'None's into zeros
output = [[],[],[],[],[],[],[],[],[]]
for y, row in enumerate(rows):
for num in row:
output[y].append(num if num else 0)
return output
def zeros_to_nones(rows):
#Transforms all the zeros into None's
output = [[],[],[],[],[],[],[],[],[]]
for y, row in enumerate(rows):
for num in row:
output[y].append(num if num != 0 else None)
return output
def generate_spinboxes(window):
spinboxes = [[],[],[],[],[],[],[],[],[]]
for y in range(9):
for x in range(9):
spinbox = Spinbox(window, from_=0, to=9, width=BOX_WIDTH, font=("DEFAULT", FONT_SIZE))
spinbox.grid(column=x, row=y)
spinboxes[y].append(spinbox)
return spinboxes
if __name__ == "__main__":
window = Tk()
window.title(TITLE)
spinboxes = generate_spinboxes(window)
solve = Button(text=SOLVE_TEXT, command=lambda:set_to_solved(spinboxes))
solve.grid(row=9, column=6)
clear = Button(text=CLEAR_TEXT, command=lambda:clean_all_spinboxes(spinboxes))
clear.grid(row=9, column=2)
window.mainloop()