def make_toy_mr(env_id, env_size=None, max_episode_steps=300):
from toy_mr import ToyMR
from gym import wrappers
from chain_env import ChainEnvironment
if env_id == 'toy_mr':
env = ToyMR()
else:
assert isinstance(env_size, int), f'got {env_size}'
env = ChainEnvironment(N=env_size)
env = wrappers.TimeLimit(env, max_episode_steps=max_episode_steps)
return env
def test(agent):
EPISODE_NUM = 1000
env = wrappers.TimeLimit(toy_text.FrozenLakeEnv(map_name='8x8'),
max_episode_steps=1000)
score_sum = 0.0
for _ in range(EPISODE_NUM):
observation = env.reset()
while True:
observation, reward, done, _ = env.step(
agent.best_action(observation))
score_sum += reward
if done:
break
assert score_sum / EPISODE_NUM >= 0.99
def train():
UPDATE_PERIOD = 10000
EPSILON_DECAY = 0.7
env = wrappers.TimeLimit(toy_text.FrozenLakeEnv(map_name='8x8'),
max_episode_steps=1000)
print('agent is not created')
exit(1)
agent = None
check_agent_actions(agent)
check_agent_update()
epsilon = 1.0
last_scores_sum = 0.0
for episode_id in itertools.count():
score = 0.0
observation = env.reset()
while True:
print(
'perform a random action with probability of epsilon. Request best action from agent otherwise'
)
exit(1)
action = None
next_observation, reward, done, _ = env.step(action)
agent.update_q_values(observation, action, reward,
next_observation, done)
score += reward
if done:
break
observation = next_observation
last_scores_sum += score
if episode_id > 0 and episode_id % UPDATE_PERIOD == 0:
epsilon *= EPSILON_DECAY
last_mean_score = last_scores_sum / UPDATE_PERIOD
print('last_mean_score:', last_mean_score)
if last_mean_score > 0.999:
print('You won!')
break
else:
last_scores_sum = 0.0
return agent
def try_gym():
# Jump to FrozenLakeEnv defenition to see its descrition
env = wrappers.TimeLimit(toy_text.FrozenLakeEnv(map_name='8x8'), max_episode_steps=1000)
print('action_space size:', env.action_space.n)
print('random action sample:', env.action_space.sample())
print('observation_space size:', env.observation_space.n)
for episode_id in range(1):
score = 0.0
observation = env.reset()
print('observation:', observation)
# If render() prints colorcodes instead of coloring a simbol on Windows and you are a perfectionist, you can use
# https://aka.ms/terminal if your Windows version is high enough
env.render()
for step_id in itertools.count():
observation, reward, done, diagnostic_info = env.step(env.action_space.sample())
# env.render()
score += reward
if done: break
print('score:', score) # It will probaly be 0
def test_ddpg():
import gym_mix
env = gym.make('ContinuousCopyRand-v0')
env = wrappers.TimeLimit(env, max_episode_steps=0)
@model(optimizer=tf.train.AdamOptimizer(0.0001),
tracker=tf.train.ExponentialMovingAverage(1 - 0.001))
def actor(x):
x = layers.fully_connected(
x, 50, biases_initializer=layers.xavier_initializer())
a = layers.fully_connected(
x,
env.action_space.shape[0],
None,
weights_initializer=tf.random_normal_initializer(0, 1e-4))
return a
@model(optimizer=tf.train.AdamOptimizer(.001),
tracker=tf.train.ExponentialMovingAverage(1 - 0.001))
def critic(x, a):
x = layers.fully_connected(
x, 300, biases_initializer=layers.xavier_initializer())
x = tf.concat([x, a], axis=1)
x = layers.fully_connected(
x, 300, biases_initializer=layers.xavier_initializer())
x = layers.fully_connected(
x, 300, biases_initializer=layers.xavier_initializer())
q = layers.fully_connected(
x,
1,
None,
weights_initializer=tf.random_normal_initializer(0, 1e-4))
return tf.squeeze(q, 1)
agent = DdpgAgent(env, actor, critic)
for ep in range(10000):
R, _ = agent.play_episode()
if ep % 100 == 0:
print(f'Return after episode {ep} is {R}')
env_tst = environ.StocksEnv(stock_data,
bars_count=BARS_COUNT,
reset_on_close=True,
state_1d=True)
elif os.path.isdir(args.data):
env = environ.StocksEnv.from_dir(args.data,
bars_count=BARS_COUNT,
reset_on_close=True,
state_1d=True)
env_tst = environ.StocksEnv.from_dir(args.data,
bars_count=BARS_COUNT,
reset_on_close=True,
state_1d=True)
else:
raise RuntimeError("No data to train on")
env = wrappers.TimeLimit(env, max_episode_steps=1000)
val_data = {"BANK": data.load_relative(args.valdata)}
env_val = environ.StocksEnv(val_data,
bars_count=BARS_COUNT,
reset_on_close=True,
state_1d=True)
writer = SummaryWriter(comment="-conv-" + args.run)
net = models.DQNConv1D(env.observation_space.shape,
env.action_space.n).to(device)
print(net)
#TARGET NETWORK TRICK AS MENTIONED IN CORRESPONDING NOTEBOOK
tgt_net = DeepTrader.agent.TargetNet(net)
selector = DeepTrader.actions.EpsilonGreedyActionSelector(EPSILON_START)
agent = DeepTrader.agent.DQNAgent(net, selector, device=device)
def train_agent(
run_name,
data_paths=conf.default_data_paths,
validation_paths=conf.default_validation_paths,
model=models.DQNConv1D,
large=False,
load_checkpoint=None,
saves_path=None,
eps_steps=None,
):
"""
Main function for training the agents
:run_name: a string of choice that dictates where to save
:data_paths: dict specifying what data to train with
:validation_paths: dict specifying what data to validate with
:model: what model to use
:large: whether or not to use large feature set
:load_checkpoint: an optinal path to checkpoint to load from
"""
print("=" * 80)
print("Training starting".rjust(40 + 17 // 2))
print("=" * 80)
# Get training data
stock_data = data.get_data_as_dict(data_paths, large=large)
val_data = data.get_data_as_dict(validation_paths, large=large)
# Setup before training can begin
step_idx = 0
eval_states = None
best_mean_val = None
EPSILON_STEPS = eps_steps if eps_steps is not None else conf.EPSILON_STEPS
# Use GPU if available, else fall back on CPU
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
print(f"[Info] Using device: {device}")
# Set up the path to save the checkpoints to
if saves_path is None:
saves_path = os.path.join("saves", run_name)
else:
saves_path = os.path.join(saves_path, run_name)
print(f"[Info] Saving to path: {saves_path}")
os.makedirs(saves_path, exist_ok=True)
# Create the gym-environment that the agent will interact with during training
env = environ.StocksEnv(
stock_data,
bars_count=conf.BARS_COUNT,
reset_on_close=conf.RESET_ON_CLOSE,
random_ofs_on_reset=conf.RANDOM_OFS_ON_RESET,
reward_on_close=conf.REWARD_ON_CLOSE,
large=large,
)
env = wrappers.TimeLimit(env, max_episode_steps=1000)
# Create the gym-environment that the agent will interact with when validating
env_val = environ.StocksEnv(
val_data,
bars_count=conf.BARS_COUNT,
reset_on_close=conf.RESET_ON_CLOSE,
random_ofs_on_reset=conf.RANDOM_OFS_ON_RESET,
reward_on_close=conf.REWARD_ON_CLOSE,
large=large,
)
# Create the model
net = model(env.observation_space.shape, env.action_space.n).to(device)
print("Using network:".rjust(40 + 14 // 2))
print("=" * 80)
print(net)
# Initialize agent and epsilon-greedy action-selector from the ptan package
# The ptan package provides some helper and wrapper functions for ease of
# use of reinforcement learning
tgt_net = ptan.agent.TargetNet(net)
selector = ptan.actions.EpsilonGreedyActionSelector(conf.EPSILON_START)
agent = ptan.agent.DQNAgent(net, selector, device=device)
exp_source = ptan.experience.ExperienceSourceFirstLast(
env, agent, conf.GAMMA, steps_count=conf.REWARD_STEPS)
buffer = ptan.experience.ExperienceReplayBuffer(exp_source,
conf.REPLAY_SIZE)
optimizer = optim.Adam(net.parameters(), lr=conf.LEARNING_RATE)
# If a checkpoint is supplied to the function –> resume the training from there
if load_checkpoint is not None:
state = torch.load(load_checkpoint)
net.load_state_dict(state["model_state_dict"])
optimizer.load_state_dict(state["optimizer_state_dict"])
step_idx = state["step_idx"]
best_mean_val = state["best_mean_val"]
print(
f"State loaded –> step index: {step_idx}, best mean val: {best_mean_val}"
)
net.train()
# Create a reward tracker, i.e. an object that keeps track of the
# rewards the agent gets during training
reward_tracker = common.RewardTracker(np.inf, group_rewards=100)
# The main training loop
print("Training loop starting".rjust(40 + 22 // 2))
print("=" * 80)
# Run the main training loop
while True:
step_idx += 1
buffer.populate(1)
# Get current epsilon for epsilon-greedy action-selection
selector.epsilon = max(conf.EPSILON_STOP,
conf.EPSILON_START - step_idx / EPSILON_STEPS)
# Take a step and get rewards
new_rewards = exp_source.pop_rewards_steps()
if new_rewards:
reward_tracker.reward(new_rewards[0], step_idx, selector.epsilon)
# As long as not enough data is in buffer, go to top again
if len(buffer) < conf.REPLAY_INITIAL:
continue
if eval_states is None:
print("Initial buffer populated, start training")
eval_states = buffer.sample(conf.STATES_TO_EVALUATE)
eval_states = [
np.array(transition.state, copy=False)
for transition in eval_states
]
eval_states = np.array(eval_states, copy=False)
# Evaluate the model every x number of steps
# and update the currently best performance if better value gotten
if step_idx % conf.EVAL_EVERY_STEP == 0:
mean_val = common.calc_values_of_states(eval_states,
net,
device=device)
# If new best value –> save the model, both with meta data for resuming training
# and as the full object for use in testing
if best_mean_val is None or best_mean_val < mean_val:
if best_mean_val is not None:
print(
f"{step_idx}: Best mean value updated {best_mean_val:.3f} -> {mean_val:.3f}"
)
best_mean_val = mean_val
# Save checkpoint with meta data
torch.save(
{
"model_state_dict": net.state_dict(),
"optimizer_state_dict": optimizer.state_dict(),
"step_idx": step_idx,
"best_mean_val": best_mean_val,
},
os.path.join(saves_path, f"mean_val-{mean_val:.3f}.data"),
)
# Save full object for testing
torch.save(
net,
os.path.join(saves_path,
f"mean_val-{mean_val:.3f}-fullmodel.data"),
)
# Reset optimizer's gradients before optimization step
optimizer.zero_grad()
batch = buffer.sample(conf.BATCH_SIZE)
# Calculate the loss
loss_v = common.calc_loss(
batch,
net,
tgt_net.target_model,
conf.GAMMA**conf.REWARD_STEPS,
device=device,
)
# Calculate the gradient
loss_v.backward()
# Do one step of gradient descent
optimizer.step()
# Sync up the to networks we're using
# Two networks in this manner should increase the agent's ability to converge
if step_idx % conf.TARGET_NET_SYNC == 0:
tgt_net.sync()
# Every 1 million steps, save model in case something happens
# so we can resume training in that case
if step_idx % conf.CHECKPOINT_EVERY_STEP == 0:
idx = step_idx // conf.CHECKPOINT_EVERY_STEP
torch.save(
{
"model_state_dict": net.state_dict(),
"optimizer_state_dict": optimizer.state_dict(),
"step_idx": step_idx,
"best_mean_val": best_mean_val,
},
os.path.join(saves_path, f"checkpoint-{idx}.data"),
)
torch.save(net, os.path.join(saves_path, f"fullmodel-{idx}.data"))
print("Training done")
def make(env_name,
render=False,
figID=0,
record=False,
ros=False,
directory='',
T_steps=None,
num_targets=1,
**kwargs):
"""
Parameters:
----------
env_name : str
name of an environment. (e.g. 'TargetTracking-v0')
render : bool
wether to render.
figID : int
figure ID for rendering and/or recording.
record : bool
whether to record a video.
ros : bool
whether to use ROS.
directory :str
a path to store a video file if record is True.
T_steps : int
the number of steps per episode.
num_targets : int
the number of targets
"""
# if T_steps is None:
# if num_targets > 1:
# T_steps = 150
# else:
# T_steps = 100
T_steps = 100
local_view = 0
if env_name == 'TargetTracking-v0':
env0 = target_tracking.TargetTrackingEnv0(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v1':
env0 = target_tracking.TargetTrackingEnv1(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v2':
env0 = target_tracking.TargetTrackingEnv2(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v3':
env0 = target_tracking.TargetTrackingEnv3(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v4':
env0 = target_tracking.TargetTrackingEnv4(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v5':
local_view = 1
env0 = target_imtracking.TargetTrackingEnv5(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v6':
local_view = 1
env0 = target_imtracking.TargetTrackingEnv6(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v7':
local_view = 5
env0 = target_imtracking.TargetTrackingEnv7(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v8':
local_view = 5
env0 = target_imtracking.TargetTrackingEnv8(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v9':
local_view = 5
env0 = target_imtracking.TargetTrackingEnv9(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v10':
local_view = 1
env0 = target_imtracking.TargetTrackingEnv10(num_targets=num_targets,
**kwargs)
elif env_name == 'TargetTracking-v1_SEQ':
env0 = target_seq_tracking.TargetTrackingEnv1_SEQ(
num_targets=num_targets, **kwargs)
elif env_name == 'TargetTracking-v5_SEQ':
local_view = 1
env0 = target_seq_tracking.TargetTrackingEnv5_SEQ(
num_targets=num_targets, **kwargs)
elif env_name == 'TargetTracking-v7_SEQ':
local_view = 5
env0 = target_seq_tracking.TargetTrackingEnv7_SEQ(
num_targets=num_targets, **kwargs)
elif env_name == 'TargetTracking-v8_SEQ':
local_view = 5
env0 = target_seq_tracking.TargetTrackingEnv8_SEQ(
num_targets=num_targets, **kwargs)
elif env_name == 'TargetTracking-v9_SEQ':
local_view = 5
env0 = target_seq_tracking.TargetTrackingEnv9_SEQ(
num_targets=num_targets, **kwargs)
elif env_name == 'TargetTracking-info1':
from ttenv.infoplanner_python.target_tracking_infoplanner import TargetTrackingInfoPlanner1
env0 = TargetTrackingInfoPlanner1(num_targets=num_targets, **kwargs)
elif env_name == 'TargetTracking-info2':
from ttenv.infoplanner_python.target_tracking_infoplanner import TargetTrackingInfoPlanner2
env0 = TargetTrackingInfoPlanner2(num_targets=num_targets, **kwargs)
else:
raise ValueError('No such environment exists.')
env = wrappers.TimeLimit(env0, max_episode_steps=T_steps)
if ros:
from ttenv.ros_wrapper import Ros
env = Ros(env)
if render:
from ttenv.display_wrapper import Display2D
env = Display2D(env, figID=figID, local_view=local_view)
if record:
from ttenv.display_wrapper import Video2D
env = Video2D(env, dirname=directory, local_view=local_view)
return env
def make(env_name,
render=False,
figID=0,
record=False,
ros=False,
directory='',
T_steps=None,
num_agents=2,
num_targets=1,
**kwargs):
"""
env_name : str
name of an environment. (e.g. 'Cartpole-v0')
type : str
type of an environment. One of ['atari', 'classic_control',
'classic_mdp','target_tracking']
"""
if T_steps is None:
# if num_targets > 1:
T_steps = 200
# else:
# T_steps = 150
if env_name == 'maTracking-v0':
from maTTenv.env.maTracking_v0 import maTrackingEnv0
env0 = maTrackingEnv0(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'maTracking-v1':
from maTTenv.env.maTracking_v1 import maTrackingEnv1
env0 = maTrackingEnv1(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'maTracking-v2':
from maTTenv.env.maTracking_v2 import maTrackingEnv2
env0 = maTrackingEnv2(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'maTracking-v3':
from maTTenv.env.maTracking_v3 import maTrackingEnv3
env0 = maTrackingEnv3(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'maTracking-v4':
from maTTenv.env.maTracking_v4 import maTrackingEnv4
env0 = maTrackingEnv4(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v1':
from maTTenv.env.setTracking_v1 import setTrackingEnv1
env0 = setTrackingEnv1(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v2':
from maTTenv.env.setTracking_v2 import setTrackingEnv2
env0 = setTrackingEnv2(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v3':
from maTTenv.env.setTracking_v3 import setTrackingEnv3
env0 = setTrackingEnv3(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v4':
from maTTenv.env.setTracking_v4 import setTrackingEnv4
env0 = setTrackingEnv4(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v5':
from maTTenv.env.setTracking_v5 import setTrackingEnv5
env0 = setTrackingEnv5(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v6':
from maTTenv.env.setTracking_v6 import setTrackingEnv6
env0 = setTrackingEnv6(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
elif env_name == 'setTracking-v7':
from maTTenv.env.setTracking_v7 import setTrackingEnv7
env0 = setTrackingEnv7(num_agents=num_agents,
num_targets=num_targets,
**kwargs)
else:
raise ValueError('No such environment exists.')
env = wrappers.TimeLimit(env0, max_episode_steps=T_steps)
if ros:
from ttenv.ros_wrapper import Ros
env = Ros(env)
if render:
from maTTenv.display_wrapper import Display2D
env = Display2D(env, figID=figID)
if record:
from maTTenv.display_wrapper import Video2D
env = Video2D(env, dirname=directory)
return env
def make(env_name,
render=False,
figID=0,
record=False,
ros=False,
dirname='',
map_name="empty",
is_training=True,
num_targets=1,
T_steps=None,
im_size=None):
if False:
env = gym.make(env_name)
if record:
env = Monitor(env, directory=args.log_dir)
else:
if 'Target' in env_name:
from gym import wrappers
import envs.target_tracking.target_tracking as ttenv
from envs.target_tracking.target_tracking_advanced import TargetTrackingEnvRNN
# from envs.target_tracking.target_tracking_infoplanner import TargetTrackingInfoPlanner1, TargetTrackingInfoPlanner2
from envs.target_tracking import display_wrapper
if T_steps is None:
if num_targets > 1:
T_steps = 150
else:
T_steps = 100
if env_name == 'TargetTracking-v0':
env0 = ttenv.TargetTrackingEnv0(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
elif env_name == 'TargetTracking-v1':
env0 = ttenv.TargetTrackingEnv1(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
elif env_name == 'TargetTracking-v2':
env0 = ttenv.TargetTrackingEnv2(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
elif env_name == 'TargetTracking-v3':
env0 = ttenv.TargetTrackingEnv3(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
elif env_name == 'TargetTracking-v4':
env0 = ttenv.TargetTrackingEnv4(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
elif env_name == 'TargetTracking-v5':
env0 = ttenv.TargetTrackingEnv5(map_name=map_name,
is_training=is_training,
num_targets=num_targets,
im_size=im_size)
elif env_name == 'TargetTracking-vRNN':
env0 = TargetTrackingEnvRNN(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
T_steps = 200
elif env_name == 'TargetTracking-info1':
env0 = TargetTrackingInfoPlanner1(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
elif env_name == 'TargetTracking-info2':
env0 = TargetTrackingInfoPlanner2(map_name=map_name,
is_training=is_training,
num_targets=num_targets)
else:
raise ValueError('no such environments')
env = wrappers.TimeLimit(env0, max_episode_steps=T_steps)
if ros:
from envs.ros_wrapper import Ros
env = Ros(env)
if render:
env = display_wrapper.Display2D(env, figID=figID)
if record:
env = display_wrapper.Video2D(env, dirname=dirname)
else:
from envs import classic_mdp
env = classic_mdp.model_assign(env_name)
return env
