def solve_gui(self):
self.update_model()
find = find_empty(self.model)
if not find:
return True
else:
row, col = find
for i in range(1, 10):
if valid(self.model, i, (row, col)):
self.model[row][col] = i
self.cubes[row][col].set(i)
self.cubes[row][col].draw_change(self.win, True)
self.update_model()
pygame.display.update()
pygame.time.delay(100)
if self.solve_gui():
return True
self.model[row][col] = 0
self.cubes[row][col].set(0)
self.update_model()
self.cubes[row][col].draw_change(self.win, False)
pygame.display.update()
pygame.time.delay(100)
return False
def place(self, val):
row, col = self.selected
if self.cubes[row][col].value == 0:
self.cubes[row][col].set(val)
self.update_model()
if valid(self.model, val, (row, col)) and solve(self.model):
return True
else:
self.cubes[row][col].set(0)
self.cubes[row][col].set_temp(0)
self.update_model()
return False
def solve(self):
find = find_empty(self.model)
if not find:
return True
else:
row, col = find
for i in range(1, 10):
if valid(self.model, i, (row, col)):
self.model[row][col] = i
if self.solve():
return True
self.model[row][col] = 0
return False