mirror of
https://github.com/Farama-Foundation/Gymnasium.git
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141 lines
3.8 KiB
Python
141 lines
3.8 KiB
Python
import time
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from typing import Optional
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import numpy as np
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import gymnasium as gym
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from gymnasium.spaces import Box, Dict, Discrete, MultiBinary, MultiDiscrete, Tuple
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from gymnasium.utils.seeding import RandomNumberGenerator
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spaces = [
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Box(low=np.array(-1.0), high=np.array(1.0), dtype=np.float64),
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Box(low=np.array([0.0]), high=np.array([10.0]), dtype=np.float64),
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Box(
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low=np.array([-1.0, 0.0, 0.0]), high=np.array([1.0, 1.0, 1.0]), dtype=np.float64
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),
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Box(
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low=np.array([[-1.0, 0.0], [0.0, -1.0]]), high=np.ones((2, 2)), dtype=np.float64
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),
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Box(low=0, high=255, shape=(), dtype=np.uint8),
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Box(low=0, high=255, shape=(32, 32, 3), dtype=np.uint8),
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Discrete(2),
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Discrete(5, start=-2),
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Tuple((Discrete(3), Discrete(5))),
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Tuple(
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(
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Discrete(7),
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Box(low=np.array([0.0, -1.0]), high=np.array([1.0, 1.0]), dtype=np.float64),
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)
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),
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MultiDiscrete([11, 13, 17]),
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MultiBinary(19),
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Dict(
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{
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"position": Discrete(23),
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"velocity": Box(
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low=np.array([0.0]), high=np.array([1.0]), dtype=np.float64
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),
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}
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),
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Dict(
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{
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"position": Dict({"x": Discrete(29), "y": Discrete(31)}),
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"velocity": Tuple(
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(Discrete(37), Box(low=0, high=255, shape=(), dtype=np.uint8))
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),
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}
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),
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]
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HEIGHT, WIDTH = 64, 64
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class UnittestSlowEnv(gym.Env):
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def __init__(self, slow_reset=0.3):
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super().__init__()
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self.slow_reset = slow_reset
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self.observation_space = Box(
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low=0, high=255, shape=(HEIGHT, WIDTH, 3), dtype=np.uint8
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)
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self.action_space = Box(low=0.0, high=1.0, shape=(), dtype=np.float32)
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def reset(self, *, seed: Optional[int] = None, options: Optional[dict] = None):
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super().reset(seed=seed)
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if self.slow_reset > 0:
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time.sleep(self.slow_reset)
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return self.observation_space.sample(), {}
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def step(self, action):
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time.sleep(action)
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observation = self.observation_space.sample()
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reward, terminated, truncated = 0.0, False, False
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return observation, reward, terminated, truncated, {}
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class CustomSpace(gym.Space):
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"""Minimal custom observation space."""
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def sample(self):
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return self.np_random.integers(0, 10, ())
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def contains(self, x):
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return 0 <= x <= 10
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def __eq__(self, other):
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return isinstance(other, CustomSpace)
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custom_spaces = [
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CustomSpace(),
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Tuple((CustomSpace(), Box(low=0, high=255, shape=(), dtype=np.uint8))),
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]
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class CustomSpaceEnv(gym.Env):
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def __init__(self):
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super().__init__()
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self.observation_space = CustomSpace()
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self.action_space = CustomSpace()
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def reset(self, *, seed: Optional[int] = None, options: Optional[dict] = None):
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super().reset(seed=seed)
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return "reset", {}
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def step(self, action):
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observation = f"step({action:s})"
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reward, terminated, truncated = 0.0, False, False
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return observation, reward, terminated, truncated, {}
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def make_env(env_name, seed, **kwargs):
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def _make():
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env = gym.make(env_name, disable_env_checker=True, **kwargs)
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env.action_space.seed(seed)
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env.reset(seed=seed)
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return env
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return _make
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def make_slow_env(slow_reset, seed):
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def _make():
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env = UnittestSlowEnv(slow_reset=slow_reset)
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env.reset(seed=seed)
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return env
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return _make
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def make_custom_space_env(seed):
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def _make():
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env = CustomSpaceEnv()
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env.reset(seed=seed)
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return env
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return _make
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def assert_rng_equal(rng_1: RandomNumberGenerator, rng_2: RandomNumberGenerator):
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assert rng_1.bit_generator.state == rng_2.bit_generator.state
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