def __init__(
self,
action_space,
mu=0,
theta=0.15,
max_sigma=0.3,
min_sigma=None,
decay_period=100000,
):
Serializable.quick_init(self, locals())
if min_sigma is None:
min_sigma = max_sigma
self.mu = mu
self.theta = theta
self.sigma = max_sigma
self._max_sigma = max_sigma
if min_sigma is None:
min_sigma = max_sigma
self._min_sigma = min_sigma
self._decay_period = decay_period
self.dim = np.prod(action_space.low.shape)
self.low = action_space.low
self.high = action_space.high
self.state = np.ones(self.dim) * self.mu
self.reset()
def __init__(
self,
env: MultitaskEnv,
give_goal_difference=False,
):
# self._wrapped_env needs to be called first because
# Serializable.quick_init calls getattr, on this class. And the
# implementation of getattr (see below) calls self._wrapped_env.
# Without setting this first, the call to self._wrapped_env would call
# getattr again (since it's not set yet) and therefore loop forever.
self._wrapped_env = env
# Or else serialization gets delegated to the wrapped_env. Serialize
# this env separately from the wrapped_env.
self._serializable_initialized = False
self._wrapped_obs_dim = env.observation_space.low.size
self.give_goal_difference = give_goal_difference
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
wrapped_low = self.observation_space.low
low = np.hstack((
wrapped_low,
min(wrapped_low) * np.ones(self._wrapped_env.goal_dim)
))
wrapped_high = self.observation_space.low
high = np.hstack((
wrapped_high,
max(wrapped_high) * np.ones(self._wrapped_env.goal_dim)
))
self.observation_space = Box(low, high)
def __init__(self, min_distance=0, max_distance=2, use_low_gear_ratio=True):
Serializable.quick_init(self, locals())
self.max_distance = max_distance
self.min_distance = min_distance
MultitaskEnv.__init__(self)
super().__init__(use_low_gear_ratio=use_low_gear_ratio)
self.set_goal(np.array([self.max_distance, self.max_distance]))
def __init__(
self,
env,
reward_scale=1.,
obs_mean=None,
obs_std=None,
):
# self._wrapped_env needs to be called first because
# Serializable.quick_init calls getattr, on this class. And the
# implementation of getattr (see below) calls self._wrapped_env.
# Without setting this first, the call to self._wrapped_env would call
# getattr again (since it's not set yet) and therefore loop forever.
self._wrapped_env = env
# Or else serialization gets delegated to the wrapped_env. Serialize
# this env separately from the wrapped_env.
self._serializable_initialized = False
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
self._should_normalize = not (obs_mean is None and obs_std is None)
if self._should_normalize:
if obs_mean is None:
obs_mean = np.zeros_like(env.observation_space.low)
else:
obs_mean = np.array(obs_mean)
if obs_std is None:
obs_std = np.ones_like(env.observation_space.low)
else:
obs_std = np.array(obs_std)
self._reward_scale = reward_scale
self._obs_mean = obs_mean
self._obs_std = obs_std
ub = np.ones(self._wrapped_env.action_space.shape)
self.action_space = Box(-1 * ub, ub)
def __init__(self, game_name, agent_num=2):
Serializable.quick_init(self, locals())
self.game = game_name
self.agent_num = agent_num
self.states = np.zeros(self.agent_num)
self.targets = np.zeros(self.agent_num)
self.actions = np.zeros(self.agent_num)
def __init__(self,
env,
obs_mean=None,
obs_std=None,
acts_mean=None,
acts_std=None,
meta=False):
self._wrapped_env = env
self._serializable_initialized = False
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
if obs_mean is not None:
assert obs_std is not None
self._scale_obs = True
else:
assert obs_std is None
self._scale_obs = False
if acts_mean is not None:
assert acts_std is not None
self._unscale_acts = True
else:
assert acts_std is None
self._unscale_acts = False
self.obs_mean = obs_mean
self.obs_std = obs_std
self.acts_mean = acts_mean
self.acts_std = acts_std
def __init__(
self,
max_speed=0.05,
max_distance=1,
use_low_gear_ratio=True,
speed_weight=0.9,
done_threshold=0.005,
goal_dim_weights=None,
):
Serializable.quick_init(self, locals())
self.max_distance = max_distance
self.max_speed = max_speed
self.speed_weight = speed_weight
self.done_threshold = done_threshold
self.initializing = True
# TODO: fix this hack
if speed_weight is None:
self.speed_weight = 0.9 # just for init to work
MultitaskEnv.__init__(self, goal_dim_weights=goal_dim_weights)
super().__init__(use_low_gear_ratio=use_low_gear_ratio)
self.set_goal(
np.array([
self.max_distance,
self.max_distance,
self.max_speed,
self.max_speed,
]))
self.initializing = False
if speed_weight is None:
assert (self.goal_dim_weights[0] == self.goal_dim_weights[1]) and (
self.goal_dim_weights[2] == self.goal_dim_weights[3])
self.speed_weight = self.goal_dim_weights[2]
assert 0 <= self.speed_weight <= 1
def __init__(self, game_name):
Serializable.quick_init(self, locals())
self.game = game_name
self.payoff = {}
if self.game == 'deadlock':
self.agent_num = 2
self.action_num = 2
self.payoff[0] = np.array([[-5., 0.], [5., -10]])
self.payoff[1] = np.array([[-5., 5.], [0., -10.]])
elif self.game == 'deadlock_coop':
self.agent_num = 2
self.action_num = 2
self.payoff[0] = np.array([[-5., 5.], [5., -10]])
self.payoff[1] = self.payoff[0]
elif self.game == 'deadlock_coop_unsym':
self.agent_num = 2
self.action_num = 2
self.payoff[0] = np.array([[-5., 10.], [5., -10]])
self.payoff[1] = self.payoff[0]
elif self.game == 'zero_sum':
self.agent_num = 2
self.action_num = 2
self.payoff[0] = np.array([[-1., 1.], [1., -1.]])
self.payoff[1] = -self.payoff[0]
else:
raise NotImplementedError
def __init__(self, action_space, epsilon, max_sigma=1.0, min_sigma=None,
decay_period=1000000):
assert len(action_space.shape) == 1
Serializable.quick_init(self, locals())
if min_sigma is None:
min_sigma = max_sigma
self._max_sigma = max_sigma
self._epsilon = epsilon
self._min_sigma = min_sigma
self._decay_period = decay_period
self._action_space = action_space
def __init__(self, task_params, obs_task_params):
env = Walker2DRandomDynamicsEnv()
self._hack_task_params = task_params
self._hack_obs_task_params = obs_task_params
self._serializable_initialized = False
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
self.observation_space = self._wrapped_env.observation_space.spaces[
'obs']
self.reset()
def __init__(self, distance_metric_order=None, goal_dim_weights=None):
self._desired_xyz = np.zeros(3)
Serializable.quick_init(self, locals())
MultitaskEnv.__init__(
self,
distance_metric_order=distance_metric_order,
goal_dim_weights=goal_dim_weights,
)
mujoco_env.MujocoEnv.__init__(
self,
get_asset_xml('reacher_7dof.xml'),
5,
)
self.observation_space = Box(
np.array([
-2.28,
-0.52,
-1.4,
-2.32,
-1.5,
-1.094,
-1.5, # joint
-3,
-3,
-3,
-3,
-3,
-3,
-3, # velocity
-0.75,
-1.25,
-0.2, # EE xyz
]),
np.array([
1.71,
1.39,
1.7,
0,
1.5,
0,
1.5, # joints
3,
3,
3,
3,
3,
3,
3, # velocity
0.75,
0.25,
0.6, # EE xyz
]))
def save_init_params(self, locals):
"""
Should call this FIRST THING in the __init__ method if you ever want
to serialize or clone this network.
Usage:
```
def __init__(self, ...):
self.init_serialization(locals())
...
```
:param locals:
:return:
"""
Serializable.quick_init(self, locals)
def __init__(self, env, aug_obs_size):
# self._wrapped_env needs to be called first because
# Serializable.quick_init calls getattr, on this class. And the
# implementation of getattr (see below) calls self._wrapped_env.
# Without setting this first, the call to self._wrapped_env would call
# getattr again (since it's not set yet) and therefore loop forever.
self._wrapped_env = env
# Or else serialization gets delegated to the wrapped_env. Serialize
# this env separately from the wrapped_env.
self._serializable_initialized = False
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
obs_space = self._wrapped_env.observation_space
assert isinstance(obs_space, Box)
low = np.hstack([obs_space.low, np.full(aug_obs_size, 0)])
high = np.hstack([obs_space.high, np.full(aug_obs_size, 1)])
self.observation_space = Box(low=low, high=high)
def __init__(
self,
env,
obs_min=None,
obs_max=None,
):
self._wrapped_env = env
self._serializable_initialized = False
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
if obs_min is not None:
assert obs_max is not None
self._scale_obs = True
else:
assert obs_max is None
self._scale_obs = False
self.obs_min = obs_min
self.obs_max = obs_max
def __init__(self, task_list):
Serializable.quick_init(self, locals())
self._task_envs = []
for i, task in enumerate(task_list):
if task is SawyerReachPushPickPlace6DOFEnv or task is SawyerReachPushPickPlaceWall6DOFEnv:
# TODO: this could cause flaws in task_idx if SawyerReachPushPickPlace6DOFEnv/SawyerReachPushPickPlaceWall6DOFEnv is not the first environment
self._task_envs.append(
task(multitask=False,
obs_type='with_goal',
random_init=True,
if_render=False,
fix_task=True,
task_idx=i % 3))
else:
self._task_envs.append(
task(multitask=False,
obs_type='with_goal',
if_render=False,
random_init=True))
self._active_task = None
def __init__(
self,
env,
n_skills=6,
):
# self._wrapped_env needs to be called first because
# Serializable.quick_init calls getattr, on this class. And the
# implementation of getattr (see below) calls self._wrapped_env.
# Without setting this first, the call to self._wrapped_env would call
# getattr again (since it's not set yet) and therefore loop forever.
self._wrapped_env = env
# Or else serialization gets delegated to the wrapped_env. Serialize
# this env separately from the wrapped_env.
self._serializable_initialized = False
Serializable.quick_init(self, locals())
ProxyEnv.__init__(self, env)
self.sample_z = None
self.n_skills = n_skills
self.disc = nn.Sequential(
nn.Linear(self._wrapped_env.observation_space.shape[0], 256),
nn.ReLU(),
nn.Linear(256, 256),
nn.ReLU(),
nn.Linear(256, self.n_skills),
)
self.disc.cuda()
self.disc.train()
self.disc_optim = optim.Adam(self.disc.parameters(), lr=3e-4)
self.observation_space = Box(
low=self._wrapped_env.observation_space.low[0],
high=self._wrapped_env.observation_space.high[0],
shape=(self._wrapped_env.observation_space.shape[0] + n_skills,))
self.lock_z = False
def __init__(self):
Serializable.quick_init(self, locals())
self.target_x_vel = np.random.uniform(-MAX_SPEED, MAX_SPEED)
super().__init__()
MultitaskEnv.__init__(self)
self.set_goal(np.array([5]))
def __init__(self, wrapped_env):
Serializable.quick_init(self, locals())
self._wrapped_env = wrapped_env
self.action_space = self._wrapped_env.action_space
self.observation_space = self._wrapped_env.observation_space
def init_serialization(self, locals):
Serializable.quick_init(self, locals)
def __init__(self, action_space, prob_random_action=0.1):
Serializable.quick_init(self, locals())
assert isinstance(action_space, Discrete)
Serializable.quick_init(self, locals())
self.prob_random_action = prob_random_action
self.action_space = action_space
def __init__(self,
game_name,
agent_num=2,
max_path_length=5,
action_range=10.,
state_range=10.):
Serializable.quick_init(self, locals())
self.game = game_name
self.agent_num = agent_num
self.max_path_length = max_path_length
self.action_range = action_range
self.state_range = state_range
self.payoff = {}
self.states = np.zeros(self.agent_num)
if self.game == 'zero_sum':
assert self.agent_num == 2
self.payoff[0] = lambda a1, a2: a1 * a2
self.payoff[1] = lambda a1, a2: -a1 * a2
elif self.game == 'cooperative':
assert self.agent_num == 2
self.payoff[0] = lambda a1, a2: a1 * a2
self.payoff[1] = lambda a1, a2: a1 * a2
elif self.game == 'trigonometric':
assert self.agent_num == 2
self.payoff[0] = lambda a1, a2: np.cos(a2) * a1
self.payoff[1] = lambda a1, a2: np.sin(a1) * a2
elif self.game == 'mataching_pennies':
assert self.agent_num == 2
self.payoff[0] = lambda a1, a2: (a1 - 0.5) * (a2 - 0.5)
self.payoff[1] = lambda a1, a2: (a1 - 0.5) * (a2 - 0.5)
elif self.game == 'rotational':
assert self.agent_num == 2
self.payoff[0] = lambda a1, a2: 0.5 * a1 * a1 + 10 * a1 * a2
self.payoff[1] = lambda a1, a2: 0.5 * a2 * a2 - 10 * a1 * a2
elif self.game == 'wolf':
assert self.agent_num == 2
def V(alpha, beta, payoff):
u = payoff[(0, 0)] - payoff[(0, 1)] - payoff[(1, 0)] + payoff[
(1, 1)]
return alpha * beta * u + alpha * (payoff[(0, 1)] - payoff[
(1, 1)]) + beta * (payoff[(1, 0)] - payoff[
(1, 1)]) + payoff[(1, 1)]
payoff_0 = np.array([[0, 3], [1, 2]])
payoff_1 = np.array([[3, 2], [0, 1]])
self.payoff[0] = lambda a1, a2: V(a1, a2, payoff_0)
self.payoff[1] = lambda a1, a2: V(a1, a2, payoff_1)
elif self.game == 'max2':
assert self.agent_num == 2
h1 = 0.8
h2 = 1.
s1 = 3.
s2 = 1.
x1 = -5.
x2 = 5.
y1 = -5.
y2 = 5.
c = 10.
def max_f(a1, a2):
f1 = h1 * (-(np.square(a1 - x1) / s1) -
(np.square(a2 - y1) / s1))
f2 = h2 * (-(np.square(a1 - x2) / s2) -
(np.square(a2 - y2) / s2)) + c
return max(f1, f2)
self.payoff[0] = lambda a1, a2: max_f(a1, a2)
self.payoff[1] = lambda a1, a2: max_f(a1, a2)
else:
raise NotImplementedError