Exemplo n.º 1
0
def play():
    env = gym.make('CartPole-v1')
    ob = env.reset()

    p = Population.load(FULLNAME)

    winner = p.get_winner()

    while True:
        action = winner.run(ob)
        ob, reward, done, info = env.step(np.argmax(action))
        env.render()
        if done:
            ob = env.reset()
Exemplo n.º 2
0
def play():
    env = gym.make('LunarLanderContinuous-v2')
    ob = env.reset()

    p = Population.load(FULLNAME)

    winner = p.get_winner()

    while True:
        action = action_final_activation(winner.run(ob))
        print('Action: {}'.format(action))
        ob, reward, done, info = env.step(action)
        env.render()
        if done:
            ob = env.reset()
Exemplo n.º 3
0
def train():
    env = gym.make('LunarLanderContinuous-v2')

    try:
        p = Population.load(FULLNAME)
        print('Existing state loaded')
    except FileNotFoundError as e:
        print(str(e) + '. Creating new state')
        p = Population(10000, env.observation_space.shape[0],
                       env.action_space.shape[0])

    while True:
        try:
            max_reward = -99999
            status = p.get_status()
            for s in status.keys():
                for i in range(status.get(s, 0)):
                    ob = env.reset()
                    reward_sum = 0
                    while True:
                        action = action_final_activation(p.run(s, i, ob))
                        ob, reward, done, info = env.step(action)
                        reward_sum = reward_sum + reward
                        if done:
                            break
                    p.set_score(s, i, reward_sum)
                    max_reward = np.max([reward_sum, max_reward])
            print(p.generation, max_reward, p.population.keys())

            try:
                p.save(AUTOSAVE)
            except RuntimeError as e:
                print('error saving: {}'.format(str(e)))

            p.evolve()

        except KeyboardInterrupt as e:

            try:
                print('\nsaving before exit')
                p.save(FULLNAME)
                sys.exit('Bye!')
            except RuntimeError as e:
                print('error saving: {}'.format(str(e)))
Exemplo n.º 4
0
def print_population():
    g = Population.load(FULLNAME).get_winner()
    Printer(g).print()