Ответ 1
Смотрите мой banana-gym
для очень маленькой окружающей среды.
Создание новых сред
См. Главную страницу репозитория:
https://github.com/openai/gym/tree/master/gym/envs#how-to-create-new-environments-for-gym
Шаги:
- Создайте новый репозиторий со структурой PIP-пакета
Это должно выглядеть так
gym-foo/
README.md
setup.py
gym_foo/
__init__.py
envs/
__init__.py
foo_env.py
foo_extrahard_env.py
Для его содержимого перейдите по ссылке выше. Подробности, которые не упомянуты, особенно foo_env.py
некоторые функции в foo_env.py
. Глядя на примеры и в gym.openai.com/docs/ помогает. Вот пример:
class FooEnv(gym.Env):
metadata = {'render.modes': ['human']}
def __init__(self):
pass
def _step(self, action):
"""
Parameters
----------
action :
Returns
-------
ob, reward, episode_over, info : tuple
ob (object) :
an environment-specific object representing your observation of
the environment.
reward (float) :
amount of reward achieved by the previous action. The scale
varies between environments, but the goal is always to increase
your total reward.
episode_over (bool) :
whether it time to reset the environment again. Most (but not
all) tasks are divided up into well-defined episodes, and done
being True indicates the episode has terminated. (For example,
perhaps the pole tipped too far, or you lost your last life.)
info (dict) :
diagnostic information useful for debugging. It can sometimes
be useful for learning (for example, it might contain the raw
probabilities behind the environment last state change).
However, official evaluations of your agent are not allowed to
use this for learning.
"""
self._take_action(action)
self.status = self.env.step()
reward = self._get_reward()
ob = self.env.getState()
episode_over = self.status != hfo_py.IN_GAME
return ob, reward, episode_over, {}
def _reset(self):
pass
def _render(self, mode='human', close=False):
pass
def _take_action(self, action):
pass
def _get_reward(self):
""" Reward is given for XY. """
if self.status == FOOBAR:
return 1
elif self.status == ABC:
return self.somestate ** 2
else:
return 0
Используйте свою среду
import gym
import gym_foo
env = gym.make('MyEnv-v0')
Примеры
- https://github.com/openai/gym-soccer
- https://github.com/openai/gym-wikinav
- https://github.com/alibaba/gym-starcraft
- https://github.com/endgameinc/gym-malware
- https://github.com/hackthemarket/gym-trading
- https://github.com/tambetm/gym-minecraft
- https://github.com/ppaquette/gym-doom
- https://github.com/ppaquette/gym-super-mario
- https://github.com/tuzzer/gym-maze