def __getitem__(self, item):
row, col = item[0], item[1]
if row < 0 or row > len(self.prev_board) - 1:
return Cell(None)
if col < 0 or col > len(self.prev_board) - 1:
return Cell(None)
return self.prev_board[row][col]
def __toggle(self):
if self['bg'] == "white":
self['bg'] = "black"
self.__cell = Cell(True)
else:
self['bg'] = "white"
self.__cell = Cell(False)
def update(self):
for row in range(len(self.board)):
for col in range(len(self.board)):
cell_neighbours = self.get_neighbour_states(row, col)
if self[row, col].will_survive(cell_neighbours):
self[row, col] = Cell(ALIVE)
else:
self[row, col] = Cell(DEAD)
self.prev_board = deepcopy(self.board)
return self
def register_cell(sid):
try:
print('new cell')
new_cell = Cell(game=game_of_life, client_id=sid)
spirits.append(new_cell)
except:
print("error registering cell")
def __init__(self, height, width):
'''
Create a new playing area of (height, width) cells.
'''
# Set up the grid and schedule.
# Use SimultaneousActivation which simulates all the cells
# computing their next state simultaneously. This needs to
# be done because each cell's next state depends on the current
# state of all its neighbors -- before they've changed.
self.schedule = SimultaneousActivation(self)
# Use a simple grid, where edges wrap around.
self.grid = Grid(height, width, torus=True)
# Place a cell at each location, with some initialized to
# ALIVE and some to DEAD.
for (contents, x, y) in self.grid.coord_iter():
cell = Cell((x, y), self)
if random() < .1:
cell.state = cell.ALIVE
self.grid.place_agent(cell, (x, y))
self.schedule.add(cell)
self.running = True
def get_new_state(self, grid):
new_grid = [[Cell(False) for _ in range(len(grid[0]))]
for _ in range(len(grid))]
for i in range(len(grid)):
for j in range(len(grid[0])):
nb_neighbours = self.count_neighbours(grid, i, j)
if nb_neighbours == 2:
new_grid[i][j].is_alive = grid[i][j].is_alive
elif nb_neighbours == 3:
new_grid[i][j].is_alive = True
return new_grid
def read_from_file(self, filename: str):
"""
Reads the board from an input file
"""
if self.__check_file_status(filename):
with open(filename, 'r') as file_handler:
lines = file_handler.readlines()
self.__num_rows = int(lines[0])
self.__num_cols = int(lines[1])
for line in lines[2:]:
row = []
tokens = list(line)[:-1]
for token in tokens:
cell = None
if token == '*':
cell = Cell(False)
elif token == 'o':
cell = Cell(True)
else:
raise RuntimeError(f'Token {token} not allowed')
row.append(cell)
self.__board.append(row)
def update_board(self):
"""
Updates the board with a new iteration of the game
"""
new_board = []
for idx in range(0, self.__num_rows):
new_row = []
for jdx in range(0, self.__num_cols):
is_alive = self.__is_going_to_be_alive(idx, jdx)
new_row.append(Cell(is_alive))
new_board.append(new_row)
self.__board.clear()
self.__board = new_board
def test_a_dead_cell_is_not_alive(self):
cell = Cell()
cell.die()
self.assertFalse(cell.is_alive)
def test_get_str_death(self):
death_cell = Cell(False)
self.assertEqual(str(death_cell), '*')
def test_create_death_cell(self):
death_cell = Cell(False)
self.assertFalse(death_cell.get_alive_status())
def test_a_new_cell_is_alive(self):
cell = Cell()
self.assertTrue(cell.is_alive)
def test_dead_cell_in_fertile_neighboorhood_is_alive_next_generation(self):
cell = Cell(alive=False)
is_alive_next_generation = cell.is_alive_next_generation(
Cell.FERTILE_NEIGHBOR_COUNT)
self.assertTrue(is_alive_next_generation)
def test_cell_is_dead_next_generation_if_lt_stable_count(self):
cell = Cell()
min_stable = Cell.STABLE_NEIGHBOR_RANGE[0]
is_alive_next_gen = cell.is_alive_next_generation(min_stable - 1)
self.assertFalse(is_alive_next_gen)
def test_is_alive(self):
alive_cell = Cell(ALIVE)
self.assertTrue(alive_cell.is_alive)
dead_cell = Cell(DEAD)
self.assertFalse(dead_cell.is_alive)
def initialize_grid(h, w):
return [[Cell(False) for _ in range(w)] for _ in range(h)]
def test_should_not_change_cells_if_all_cells_are_dead():
grid_manager = GridManager()
grid = [[Cell(False) for _ in range(1)] for _ in range(1)]
new_grid = grid_manager.get_new_state(grid)
assert new_grid[0][0].is_alive is False
def test_a_cell_can_be_set_dead(self):
cell = Cell(alive=False)
self.assertFalse(cell.is_alive)
def test_cell_is_still_alive_next_gen_if_in_stable_neighborhood(self):
for i in Cell.STABLE_NEIGHBOR_RANGE:
with self.subTest(stable_neighbor_count=i):
cell = Cell()
cell.is_alive_next_generation(i)
self.assertTrue(cell.is_alive_next_generation)
def test_create_life(self):
cell = Cell(DEAD)
neighbours = [1, 1, 1, 0, 0, 0, 0, None, None]
self.assertTrue(cell.will_survive(neighbours))
def test_cell_is_dead_from_overcrowding_next_gen_if_gt_stable_count(self):
cell = Cell()
max_stable = Cell.STABLE_NEIGHBOR_RANGE[-1]
is_alive_next_gen = cell.is_alive_next_generation(max_stable + 1)
self.assertFalse(is_alive_next_gen)
def test_will_not_be_born(self):
cell = Cell(DEAD)
neighbours = [1, 1, 0, 0, 0, 0, 0,]
self.assertFalse(cell.will_survive(neighbours))
neighbours = [1, 1, 1, 1, 0, 0, 0]
self.assertFalse(cell.will_survive(neighbours))
def test_dead_cell_is_dead_next_gen_if_gt_fertile_neighbor_count(self):
cell = Cell(alive=False)
gt_fertile_count = Cell.FERTILE_NEIGHBOR_COUNT + 1
is_alive_next_gen = cell.is_alive_next_generation(gt_fertile_count)
self.assertFalse(is_alive_next_gen)
def test_stay_alive(self):
cell = Cell(ALIVE)
neighbours2 = [1, 1, 0, 0, 0, 0, None, None]
self.assertTrue(cell.will_survive(neighbours2))
neighbours3 = [1, 1, 1, 0, 0, 0, None, None]
self.assertTrue(cell.will_survive(neighbours3))
def test_will_not_survive_underpopulation(self):
cell = Cell(ALIVE)
neighbours = [1, 0, 0, 0, 0, 0, 0]
self.assertFalse(cell.will_survive(neighbours))
def set_alive_cells(self, coords: list):
for row, col in coords:
self.board[row][col] = Cell(ALIVE)
self.prev_board[row][col] = Cell(ALIVE)
return self
def test_get_str_alive(self):
alive_cell = Cell(True)
self.assertEqual(str(alive_cell), 'o')
def __init__(self, *args, **kargs):
Button.__init__(self, *args, **kargs)
self.__cell = Cell(False)
self['command'] = self.__toggle
def test_create_a_cell(self):
alive_cell = Cell(True)
self.assertTrue(alive_cell.get_alive_status())
def __init__(self, size):
self.board = []
for i in range(size):
self.board.append([Cell(DEAD) for j in range(size)])
self.prev_board = deepcopy(self.board)