def __init__(self,
sim,
brain,
name="QLearn",
train_every_nth=5,
train_batch_size=32,
max_experience=300000,
exploration_period=10000,
epsilon_final=0.015,
discount_factor=0.99):
Agent.__init__(self, name)
self.sim = sim
self.brain = brain
self.train_every_nth = train_every_nth
self.train_batch_size = train_batch_size
self.epsilon_final = epsilon_final
self.discount_factor = discount_factor
self.max_experience = max_experience
self.exploration_period = exploration_period
self.actions_executed = 0
self.memory = []
def main():
"""Runs everything needed by the agent"""
settings = Settings()
agent = Agent(settings)
agent.start()
# The agent is executing
try:
agent.join()
except KeyboardInterrupt:
agent.stop()
def setUp(self):
Supervisors, Projects, Students = Hierarchy(3), Hierarchy(2), Hierarchy(1)
""""
Some Supervisors
"""
self.KB = Agent("1", Supervisors, capacities=[0, 1], preferences=None, abilities=None, name="Ken Brown")
self.UK = Agent("2", Supervisors, capacities=[1, 2], preferences=None, abilities=None, name="Uli Kraehmer")
self.RS = Agent("3", Supervisors, capacities=[2, 2], preferences=None, abilities=None, name="Richard Steiner")
self.TB = Agent("4", Supervisors, capacities=[1,3], preferences=None, abilities=None, name="Tara Brendle")
self.AB = Agent("5", Supervisors, capacities=[0,1], preferences=None, abilities=None, name="Andy Baker")
"""
Some projects
"""
self.Hopf = Agent("1", Projects, capacities=[0, 1], preferences=[self.UK, self.KB, self.AB],abilities=None
, name="Hopf algebras")
self.Alg_no = Agent("2", Projects, capacities=[0, 1], preferences=[self.KB, self.AB], abilities=None,
name="Algebraic number theory")
self.Cat_thy = Agent("3", Projects, capacities=[0, 1], preferences=[self.RS, self.UK], abilities=None,
name="Category Theory")
self.Group_thy = Agent("4", Projects, capacities=[0, 1], preferences=[self.TB, self.AB], abilities=None,
name="Group Theory")
self.Topology = Agent("5", Projects, capacities=[0, 1], preferences=[self.AB, self.TB, self.RS],
abilities=None, name="Topology")
"""
Some students
"""
self.Paul = Agent("0700874", Students, [0, 1], preferences=[self.Hopf, self.Alg_no, self.Group_thy],
abilities=None, name="Paul Gilmartin")
self.Scott = Agent("0700875", Students, [0, 1], preferences=[self.Alg_no, self.Hopf], abilities=None,
name="Scott Gilmartin")
self.Jim = Agent("0700876", Students, [0, 1], preferences=[self.Cat_thy, self.Topology, self.Hopf], abilities=None,
name="Jimmy Boyd")
self.Rachael = Agent("0700877", Students, [0,1], preferences=[self.Group_thy, self.Alg_no, self.Cat_thy],
abilities=None, name="Rachael Hayhoe")
self.Nameless = Agent("0700878", Students, [0,1], preferences=[self.Topology], abilities=None, name=None)
from agents import Model, Agent, run
epidemic_model = Model("Epidemimodel", 100, 100)
epidemic_model.add_agent(Agent())
run(epidemic_model)
from agents import Agent
from simulation import Simulation
from state import Environment
import numpy as np
# TODO: CHOICE TO Ï• DICTIONARY???
# Init the Agent's environment
env = Environment()
# Init the expert agent
# Feed it the expert trajectories
a = Agent(type='expert',
action_list=['a', 'b', 'c', 'd', 'e', 'f', 'g'],
environment=env,
trajectories=[['a', 'b', 'c', 'e', 'g', 'b', 'c', 'e', 'g', 'c'],
['a', 'b', 'c', 'a', 'g', 'g', 'a', 'g', 'g', 'c'],
['c', 'd', 'f', 'b', 'c', 'a', 'd', 'f', 'b', 'c']])
# Build said expert trajectories
a.build_trajectories()
# Build the Agent's initial state distribution
a.build_D()
# Init a standalone environment for the state itself
simul_env = Environment()
# Init the simulation
sim = Simulation(agents=a, environment=simul_env, alpha=1)
def perform_agent_action(self, agent: Agent, action: str):
# Perform the specified action if possible, wait otherwise
if action == 'UP' and self.tile_is_free(agent.x, agent.y - 1):
agent.y -= 1
agent.add_event(e.MOVED_UP)
elif action == 'DOWN' and self.tile_is_free(agent.x, agent.y + 1):
agent.y += 1
agent.add_event(e.MOVED_DOWN)
elif action == 'LEFT' and self.tile_is_free(agent.x - 1, agent.y):
agent.x -= 1
agent.add_event(e.MOVED_LEFT)
elif action == 'RIGHT' and self.tile_is_free(agent.x + 1, agent.y):
agent.x += 1
agent.add_event(e.MOVED_RIGHT)
elif action == 'BOMB' and agent.bombs_left:
self.logger.info(
f'Agent <{agent.name}> drops bomb at {(agent.x, agent.y)}')
self.bombs.append(
Bomb((agent.x, agent.y),
agent,
s.BOMB_TIMER,
s.BOMB_POWER,
agent.color,
custom_sprite=agent.bomb_sprite))
agent.bombs_left = False
agent.add_event(e.BOMB_DROPPED)
elif action == 'WAIT':
agent.add_event(e.WAITED)
else:
agent.add_event(e.INVALID_ACTION)
import threading
import time
from signal import SIGINT, SIGTERM, signal
from agents import Agent, Message
# generate public and private keys for server and client
server_public_key, server_private_key = Agent.curve_keypair()
wrong_server_public_key, wrong_server_private_key = Agent.curve_keypair()
client_public_key, client_private_key = Agent.curve_keypair()
client2_public_key, client2_private_key = Agent.curve_keypair()
class NotificationBroker(Agent):
def setup(self, name=None, pub_address=None, sub_address=None):
self.create_notification_broker(
pub_address,
sub_address,
options=self.curve_server_config(server_private_key),
)
class Sender(Agent):
def setup(self, name=None, pub_address=None, sub_address=None):
self.counter = 0
self.pub, self.sub = self.create_notification_client(
pub_address,
sub_address,
options=self.curve_client_config(server_public_key,
client_public_key,
client_private_key),
def run_rotate():
'''
Runs the simulations and saves the JSON files with an arbitrary rotation
about the center of the screen.
'''
def rotate(obj,theta=-20,origin=(500,300)):
'''
Rotates objects about a center
'''
# Translate w/r to visual origin (500,300)
obj.body.position -= Vec2d(origin)
# Radians to degrees
theta = radians(theta)
x, y = obj.body.position
x_ = x*cos(theta) - y*sin(theta)
y_ = y*cos(theta) + x*sin(theta)
obj.body.position = [x_,y_]
# Translate w/r to actual origin (0,0)
obj.body.position += Vec2d(origin)
video = False
thetas = list(range(-19,-9))+list(range(10,19))
for scene in scenarios.__experiment3__:
theta = choice(thetas)
sim = getattr(scenarios, scene)
env = sim(True)
env.run()
# Gather position data
pos = env.position_dict
agent_positions = env.position_dict['agent']
patient_positions = env.position_dict['patient']
fireball_positions = env.position_dict['fireball']
# Setup pygame and pymunk
space = pymunk.Space()
space.damping = 0.05
screen = pygame.display.set_mode((1000,600))
options = pymunk.pygame_util.DrawOptions(screen)
clock = pygame.time.Clock()
if video:
save_screen = make_video(screen)
# Setup empty agents
agent = Agent(0,0,'blue',0,[])
patient = Agent(0,0,'green',0,[])
fireball = Agent(0,0,'red',0,[])
# Add agent to space
space.add(agent.body, agent.shape,
patient.body, patient.shape,
fireball.body, fireball.shape)
pygame.init()
running = True
while running:
# print(agent_positions[0])
try:
# Extract position data
a_pos = agent_positions.pop(0)
p_pos = patient_positions.pop(0)
f_pos = fireball_positions.pop(0)
# Set positions of objects
agent.body.position = Vec2d(a_pos['x'],a_pos['y'])
patient.body.position = Vec2d(p_pos['x'],p_pos['y'])
fireball.body.position = Vec2d(f_pos['x'],f_pos['y'])
# Rotate objects about the center
rotate(agent,theta)
rotate(patient,theta)
rotate(fireball,theta)
# Render space on screen (if requested)
screen.fill((255,255,255))
space.debug_draw(options)
pygame.display.flip()
clock.tick(60)
space.step(1/60.0)
if video:
next(save_screen)
except Exception as e:
running = False
pygame.quit()
pygame.display.quit()
if video:
vid_from_img("final_"+scene)
#return dictionary of agents
if __name__ == "__main__":
G = makegraphs.ringGraph(3)
#initialize graph here
c = 2 #number of commodities
agentlist = defaultdict(Agent)
for i in range(G.number_of_nodes()):
#initialize params for agent
u = np.zeros(c)
e = np.ones(c)
p = np.ones(c)
subplans = np.zeros((G.number_of_nodes(), c))
agentlist[i] = Agent(u, e, p, subplans)
nx.set_node_attributes(G, 'agentprop', agentlist)
check_eq = False
num_rounds = 0
while (check_eq):
agents_old = nx.get_node_attributes(G, 'agentprop')
agents_new = changePlans(G)
nx.set_node_attributes(G, 'agentprop', agents_new)
check_eq = checkEquilibrium(agents_old, agents_new)
num_rounds += 1
print(str(num_rounds - 1) + ' rounds needed to reach equilibrium.')
drawNetwork(G, 'agentprop', 'test.png')
def test_agent():
a = Agent()
assert isinstance(a, Agent)
def test_ModelBasedReflexAgentProgram():
loc_A = (0, 0)
loc_B = (1, 0)
model = {loc_A: None, loc_B: None}
class Rule:
def __init__(self, state, action):
self.__state = state
self.action = action
def matches(self, state):
return self.__state == state
# create rules for a two state Vacuum Environment
rules = [
Rule((loc_A, "Dirty"), "Suck"),
Rule((loc_A, "Clean"), "Right"),
Rule((loc_B, "Dirty"), "Suck"),
Rule((loc_B, "Clean"), "Left")
]
def update_state(state, action, percept, model):
loc, status = percept
# the other location
loc2 = tuple(map(lambda x: x[0] - x[1], zip((1, 0), loc)))
# initial guess of the other location
if not state or not action or not model[loc2]:
model[loc2] = random.choice(['Dirty', 'Clean'])
model[loc] = status
# the model think environment will keep clean if agent chose to suck last step
if action == 'Suck':
state = percept
return state
# rubbish may appears suddenly, so the model guess randomly
if status == 'Clean':
status = random.choice(['Dirty', 'Clean'])
model[loc] = status
# move right or left will not influence the environment
state = (loc, model[loc])
return state
# create a program and then an object of the ModelBasedReflexAgentProgram
program = ModelBasedReflexAgentProgram(rules, update_state, model)
agent = Agent(program)
# create an object of TrivialVacuumEnvironment
environment = TrivialVacuumEnvironment()
# add agent to the environment
environment.add_thing(agent)
# run the environment
environment.run()
# check final status of the environment
assert environment.status == {(1, 0): 'Clean', (0, 0): 'Clean'}
class Evaluator(J30Runner):
def __init__(self, model_name, model):
super().__init__(train=False)
self.model_name = model_name
self.model = model.model
self.agent = Agent(self.projects, model)
self.result = []
def load_weights(self, number):
self.model.load_weights('.\\models\\' + self.model_name + '\\' +
self.model_name + '-' + str(number) + '.h5')
def evaluate_project(self, project) -> float:
t = 0
while not project.is_finished():
t += project.next(*self.act(project))
return t
def evaluate(self, num_of_iterations=100):
"""Evaluates a single project for the number of iterations."""
durations = {}
for project in self.projects:
project_list = np.array([
Project(project.path, stochastic=project.stochastic)
for _ in range(num_of_iterations)
])
durations[project.path[-8:]] = np.vectorize(
self.evaluate_project, otypes=[float])(project_list)
return durations
def evaluate_all(self, num_of_models, num_of_iterations=100):
for num_of_model in range(num_of_models):
print('evaluating model', num_of_model)
self.load_weights(num_of_model)
self.result.append(self.evaluate(num_of_iterations))
pickle.dump(
self.result,
open(self.model_name + '-result-' + str(num_of_model), 'wb'))
def act(self, project):
"""The action with the highest value is executed.
This function is different from the act-function during training: If no
tasks are running, the model cannot choose the wait/void action. This
prevents infinite loops if the wait/void action for such a state has the
highest q-value.
:return: the best action and the durations of the tasks in the action
"""
state, durations = project.state()
actions = project.get_actions()
if len(actions) > 1:
best_action = self.get_best_action(state, actions, project)
return best_action, durations
else:
best_action = []
return best_action, durations
def get_best_action(self, state, actions, project):
inputs = np.squeeze(
np.array([
self.agent.input_vector(state, action) for action in actions
]))
action_values = np.squeeze(self.model.predict(inputs, len(inputs)))
max_val = np.argmax(action_values)
# the wait/void action must not be the best action if there are no running tasks
if len(project.running) == 0 and actions[max_val] == []:
max_val = np.argmax(action_values[1:]) + 1
return actions[max_val]
class TestAgent_Good_Input(unittest.TestCase):
def setUp(self):
Supervisors, Projects, Students = Hierarchy(3), Hierarchy(2), Hierarchy(1)
""""
Some Supervisors
"""
self.KB = Agent("1", Supervisors, capacities=[0, 1], preferences=None, abilities=None, name="Ken Brown")
self.UK = Agent("2", Supervisors, capacities=[1, 2], preferences=None, abilities=None, name="Uli Kraehmer")
self.RS = Agent("3", Supervisors, capacities=[2, 2], preferences=None, abilities=None, name="Richard Steiner")
self.TB = Agent("4", Supervisors, capacities=[1,3], preferences=None, abilities=None, name="Tara Brendle")
self.AB = Agent("5", Supervisors, capacities=[0,1], preferences=None, abilities=None, name="Andy Baker")
"""
Some projects
"""
self.Hopf = Agent("1", Projects, capacities=[0, 1], preferences=[self.UK, self.KB, self.AB],abilities=None
, name="Hopf algebras")
self.Alg_no = Agent("2", Projects, capacities=[0, 1], preferences=[self.KB, self.AB], abilities=None,
name="Algebraic number theory")
self.Cat_thy = Agent("3", Projects, capacities=[0, 1], preferences=[self.RS, self.UK], abilities=None,
name="Category Theory")
self.Group_thy = Agent("4", Projects, capacities=[0, 1], preferences=[self.TB, self.AB], abilities=None,
name="Group Theory")
self.Topology = Agent("5", Projects, capacities=[0, 1], preferences=[self.AB, self.TB, self.RS],
abilities=None, name="Topology")
"""
Some students
"""
self.Paul = Agent("0700874", Students, [0, 1], preferences=[self.Hopf, self.Alg_no, self.Group_thy],
abilities=None, name="Paul Gilmartin")
self.Scott = Agent("0700875", Students, [0, 1], preferences=[self.Alg_no, self.Hopf], abilities=None,
name="Scott Gilmartin")
self.Jim = Agent("0700876", Students, [0, 1], preferences=[self.Cat_thy, self.Topology, self.Hopf], abilities=None,
name="Jimmy Boyd")
self.Rachael = Agent("0700877", Students, [0,1], preferences=[self.Group_thy, self.Alg_no, self.Cat_thy],
abilities=None, name="Rachael Hayhoe")
self.Nameless = Agent("0700878", Students, [0,1], preferences=[self.Topology], abilities=None, name=None)
def test_give_name_1(self):
self.Nameless.give_name("Big Man")
self.assertEqual("Big Man", self.Nameless.name)
def test_give_name_2(self):
self.Paul.give_name("Paul G")
self.assertEqual("Paul G", self.Paul.name)
def test_upper_capacity_1(self):
self.assertEqual(self.KB.upper_capacity, 1)
def test_upper_capacity_2(self):
self.assertEqual(self.TB.upper_capacity, 3)
def test_preference_position_1(self):
self.assertEqual(self.Paul.preference_position(self.Hopf), 1)
def test_preference_position_2(self):
self.assertEqual(self.Topology.preference_position(self.RS), 3)
def test_lower_capacity_1(self):
self.assertEqual(self.AB.lower_capacity, 0)
def test_lower_capacity_2(self):
self.assertEqual(self.RS.lower_capacity, 2)
def test_capacity_difference_1(self):
self.assertEqual(self.RS.capacity_difference, 0)
def test_capacity_difference_2(self):
self.assertEqual(self.Alg_no.capacity_difference, 1)
if __name__ == "__main__" :
unittest.main()
def __init__(self,
action_set,
reward_function,
prior_variance,
noise_variance,
feature_extractor,
prior_network,
num_ensemble,
hidden_dims=[10, 10],
learning_rate=5e-4,
buffer_size=50000,
batch_size=64,
num_batches=100,
starts_learning=5000,
discount=0.99,
target_freq=10,
verbose=False,
print_every=1,
test_model_path=None):
Agent.__init__(self, action_set, reward_function)
self.prior_variance = prior_variance
self.noise_variance = noise_variance
self.feature_extractor = feature_extractor
self.feature_dim = self.feature_extractor.dimension
dims = [self.feature_dim] + hidden_dims + [len(self.action_set)]
self.prior_network = prior_network
self.num_ensemble = num_ensemble # number of models in ensemble
self.index = np.random.randint(self.num_ensemble)
# build Q network
# we use a multilayer perceptron
if test_model_path is None:
self.test_mode = False
self.learning_rate = learning_rate
self.buffer_size = buffer_size
self.batch_size = batch_size
self.num_batches = num_batches
self.starts_learning = starts_learning
self.discount = discount
self.timestep = 0
self.buffer = Buffer(self.buffer_size)
self.models = []
for i in range(self.num_ensemble):
if self.prior_network:
'''
Second network is a prior network whose weights are fixed
and first network is difference network learned i.e, weights are mutable
'''
self.models.append(
DQNWithPrior(dims, scale=np.sqrt(
self.prior_variance)).to(device))
else:
self.models.append(MLP(dims).to(device))
self.models[i].initialize()
'''
prior networks weights are immutable so enough to keep difference network
'''
self.target_nets = []
for i in range(self.num_ensemble):
if self.prior_network:
self.target_nets.append(
DQNWithPrior(dims, scale=np.sqrt(
self.prior_variance)).to(device))
else:
self.target_nets.append(MLP(dims).to(device))
self.target_nets[i].load_state_dict(
self.models[i].state_dict())
self.target_nets[i].eval()
self.target_freq = target_freq # target nn updated every target_freq episodes
self.num_episodes = 0
self.optimizer = []
for i in range(self.num_ensemble):
self.optimizer.append(
torch.optim.Adam(self.models[i].parameters(),
lr=self.learning_rate))
# for debugging purposes
self.verbose = verbose
self.running_loss = 1.
self.print_every = print_every
else:
self.models = []
self.test_mode = True
if self.prior_network:
self.models.append(
DQNWithPrior(dims, scale=self.prior_variance))
else:
self.models.append(MLP(dims))
self.models[0].load_state_dict(torch.load(test_model_path))
self.models[0].eval()
self.index = 0
'BATCH_SIZE': 32,
'DISCOUNT': 0.99,
'TARGET_UPDATE_STEPS': 100,
'LEARNING_RATE': 1e-3,
'REPLAY_BUFFER_SIZE': 1000,
'MIN_REPLAY_BUFFER_SIZE': 100,
'EPSILON_START': 1,
'EPSILON_END': 0.1,
'EPSILON_DECAY_DURATION': 5000,
}
# Allow changing hyperparameters from command-line arguments
args = get_args(default_args=args_dict)
# Create wrapped environment
env = make_env(args.ENV_ID)
# Set Seed
set_seed(env, args.SEED)
# GPU or CPU
device = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
# Create agent
agent = Agent(env, device, args)
# Load agent
agent.load()
# Test agent
agent.test(render=False)
def init_agents(self):
for i in range(self.population_size):
agent = Agent(self.agent_hps, self.game_type,
self.compute_input_channels(self.game_type))
self.agent_steps[i] = 0
self.agents.append(agent)
def init_agents(self):
for i in range(self.population_size):
agent = Agent(self.agent_hps, self.vision_hps)
self.agent_reward_logs[i] = []
self.agents.append(agent)
def test_Agent():
def constant_prog(percept):
return percept
agent = Agent(constant_prog)
result = agent.program(5)
assert result == 5
server_public_key, public_key, private_key
)
else:
options = {}
self.pub, self.sub = self.create_notification_client(
pub_address, sub_address, options=options
)
self.sub.observable.subscribe(lambda x: self.log.info(f"received: {x}"))
if __name__ == "__main__":
with tempfile.TemporaryDirectory() as trusted_keys_path, tempfile.TemporaryDirectory() as untrusted_keys_path:
# create key pairs in corresponding directories
Agent.create_curve_certificates(trusted_keys_path, "server")
Agent.create_curve_certificates(trusted_keys_path, "listener")
Agent.create_curve_certificates(untrusted_keys_path, "listener2")
# load key pairs
server_public_key, server_private_key = Agent.load_curve_certificate(
os.path.join(trusted_keys_path, "server.key_secret")
)
listener_public_key, listener_private_key = Agent.load_curve_certificate(
os.path.join(trusted_keys_path, "listener.key_secret")
)
listener2_public_key, listener2_private_key = Agent.load_curve_certificate(
os.path.join(untrusted_keys_path, "listener2.key_secret")
)
broker = NotificationBroker(
"num_actions":
3,
"activation":
"relu",
# MLP
"hidden_sizes": (64, ) * 2,
"load_model":
True,
"load_model_from_path":
'/home/llama/tb_logs/spatial_softmax_2019-12-02_21-26-53/Agent0_1300.pt',
}
agent_ids = ["Agent0"] #, "Agent1"]
agents: Dict[str, Agent] = {
agent_id: Agent(SpatialSoftMaxModel(agent_config), name=agent_id)
#agent_id: Agent(CoordConvModel(agent_config), name=agent_id)
for agent_id in agent_ids
}
trainer_config = {
# Trainer settings
"agents_to_optimize": None, # ids of agents that should be optimized
"batch_size": 2000,
# Agent settings
"optimizer": "adam",
"optimizer_kwargs": {
"lr": 1e-4,
"betas": (0.9, 0.999),
"eps": 1e-7,
"weight_decay": 0,
class MetaBestFirstSearchEnv(gym.Env):
"""A meta-MDP for best first search with a deterministic transition model."""
Node = namedtuple('Node', ('state', 'path', 'reward', 'done'))
State = namedtuple('State', ('frontier', 'reward_to_state', 'best_done'))
TERM = 'TERM'
def __init__(self, env, eval_node, expansion_cost=0.01):
super().__init__()
self.env = env
self.expansion_cost = -abs(expansion_cost)
# This guy interacts with the external environment, what a chump!
self.surface_agent = Agent()
self.surface_agent.register(self.env)
self.eval_node = eval_node
def _reset(self):
self.env.reset()
self.model = Model(
self.env) # warning: this breaks if env resets again
start = self.Node(self.env._state, [], 0, False)
frontier = PriorityQueue(key=self.eval_node(
noisy=True)) # this is really part of the Meta Policy
frontier.push(start)
reward_to_state = defaultdict(lambda: -np.inf)
best_done = None
# Warning: state is mutable (and we mutate it!)
self._state = self.State(frontier, reward_to_state, best_done)
return self._state
def _step(self, action):
"""Expand a node in the frontier."""
if action is self.TERM:
# The return of one episode in the external env is
# one reward in the MetaSearchEnv.
trace = self._execute_plan()
external_reward = trace['return']
return None, external_reward, True, {'trace': trace}
else:
return self._expand_node(action), self.expansion_cost, False, {}
def _execute_plan(self):
frontier, reward_to_state, best_done = self._state
if not best_done:
raise RuntimeError('Cannot make plan.')
policy = FixedPlanPolicy(best_done.path)
self.surface_agent.register(policy)
trace = self.surface_agent.run_episode(reset=False)
return trace
# elif frontier:
# plan = min(best_done, frontier.pop(), key=eval_node)
# plan = frontier.pop()
def _expand_node(self, node):
frontier, reward_to_state, best_done = self._state
s0, p0, r0, _ = node
for a, s1, r, done in self.model.options(s0):
node1 = self.Node(s1, p0 + [a], r0 + r, done)
if node1.reward <= reward_to_state[s1] - 0.002:
continue # cannot be better than an existing node
reward_to_state[s1] = node1.reward
if done:
best_done = max((best_done, node1),
key=self.eval_node(noisy=False))
else:
frontier.push(node1)
self._state = self.State(frontier, reward_to_state, best_done)
return self._state
from skopt import gp_minimize
import pandas as pd
import numpy as np
from agents import Agent
from policies import LiederPolicy, FixedPlanPolicy, MaxQPolicy
from value_functions import LiederQ
from contexttimer import Timer
from toolz import partition_all
from joblib import Parallel, delayed
from utils import cum_returns
__ENVS = None
__AGENT = Agent()
__CHUNKS = None
def eval_one(i):
__AGENT.register(__ENVS[i])
return __AGENT.run_episode()['return']
def eval_chunk(i, return_mean=True):
# Each process should start with a different random seed.
np.random.seed(np.random.randint(1000) + i)
returns = []
for env in __CHUNKS[i]:
__AGENT.register(env)
returns.append(__AGENT.run_episode()['return'])
if return_mean:
return np.mean(returns)
class Environment:
def __init__(self,
a_params,
p_params,
f_params,
vel,
handlers=None,
view=True,
std_dev=0,
frict=0.05):
'''
Environment class that contains all necessary components to configure
and run scenarios.
a_params::dict -- parameters for the Blue Agent
p_params::dict -- parameters for the Green Agent
f_params::dict -- parameters for the Fireball
vel::tuple -- velcoties associated with each agent in the scenario
handlers::tuple -- optional collision handlers
view::bool -- flag for whether you want to view the scenario or not
frict::float -- friction value for pymunk physics
std_dev::float -- standard deviation value for noisy counterfactual simulation
'''
self.view = view
self.std_dev = std_dev
# Objects in environent
self.agent = Agent(a_params['loc'][0], a_params['loc'][1],
a_params['color'], a_params['coll'],
a_params['moves'])
self.patient = Agent(p_params['loc'][0], p_params['loc'][1],
p_params['color'], p_params['coll'],
p_params['moves'])
self.fireball = Agent(f_params['loc'][0], f_params['loc'][1],
f_params['color'], f_params['coll'],
f_params['moves'])
# Initial location of objects in environment
self.p_loc = p_params['loc']
self.a_loc = a_params['loc']
self.f_loc = f_params['loc']
# Pymunk space friction
self.friction = frict
# Agent velocities
self.vel = vel
self.pf_lock = False
self.af_lock = False
self.ap_lock = False
# Engine parameters
self.space = None
self.screen = None
self.options = None
self.clock = None
# Collision handlers
self.coll_handlers = [x for x in handlers] if handlers else handlers
# Values needed for rendering the scenario in Blender
self.tick = 0
self.agent_collision = None
self.agent_patient_collision = None
self.agent_fireball_collision = None
self.patient_fireball_collision = 0
self.position_dict = {'agent': [], 'patient': [], 'fireball': []}
self.screen_size = (1000, 600)
# Configure and run environment
self.configure()
def configure(self):
'''
Configuration method for Environments. Sets up the pymunk space
for scenarios.
'''
# Configure pymunk space and pygame engine parameters (if any)
if self.view:
pygame.init()
self.screen = pygame.display.set_mode((1000, 600))
self.options = pymunk.pygame_util.DrawOptions(self.screen)
self.clock = pygame.time.Clock()
self.space = pymunk.Space()
self.space.damping = self.friction
# Configure collision handlers (if any)
if self.coll_handlers:
for ob1, ob2, rem in self.coll_handlers:
ch = self.space.add_collision_handler(ob1, ob2)
ch.data["surface"] = self.screen
ch.post_solve = rem
# Add agents to the pymunk space
self.space.add(self.agent.body, self.agent.shape, self.patient.body,
self.patient.shape, self.fireball.body,
self.fireball.shape)
def update_blender_values(self):
'''
All scenarios are rendered in the physics engine Blender. In order to do this,
we store relevant values such as object position, simulation tick count, and
collision in a JSON file. This file is passed into a bash script that uses it
to render the relevant scenario in Blender.
This method is used to update the JSON files for each scenario.
'''
# Append positional information to the dict
self.position_dict['agent'].append({
'x': self.agent.body.position[0],
'y': self.agent.body.position[1]
})
self.position_dict['patient'].append({
'x': self.patient.body.position[0],
'y': self.patient.body.position[1]
})
self.position_dict['fireball'].append({
'x':
self.fireball.body.position[0],
'y':
self.fireball.body.position[1]
})
# Record when the Agent collides with someone else
if handlers.PF_COLLISION and not self.pf_lock:
self.agent_collision = self.tick
self.pf_lock = True
if handlers.AP_COLLISION and not self.ap_lock:
self.agent_patient_collision = self.tick
self.ap_lock = True
if handlers.AF_COLLISION and not self.af_lock:
self.agent_fireball_collision = self.tick
self.af_lock = True
def run(self, video=False, filename=""):
'''
Forward method for Environments. Actually runs the scenarios you
view on (or off) screen.
video::bool -- whether you want to record the simulation
filename::str -- the name of the video file
'''
# Agent velocities
a_vel, p_vel, f_vel = self.vel
# Agent action generators (yield actions of agents)
a_generator = self.agent.act(a_vel, self.clock, self.screen,
self.space, self.options, self.view,
self.std_dev)
p_generator = self.patient.act(p_vel, self.clock, self.screen,
self.space, self.options, self.view,
self.std_dev)
f_generator = self.fireball.act(f_vel, self.clock, self.screen,
self.space, self.options, self.view,
self.std_dev)
# Running flag
running = True
# Video creation
save_screen = make_video(self.screen)
# Main loop. Run simulation until collision between Green Agent
# and Fireball
while running and not handlers.PF_COLLISION:
try:
# Generate the next tick in the simulation for each object
next(a_generator)
next(p_generator)
next(f_generator)
# Render space on screen (if requested)
if self.view:
self.screen.fill((255, 255, 255))
self.space.debug_draw(self.options)
pygame.display.flip()
self.clock.tick(50)
self.space.step(1 / 50.0)
# Update the values for the Blender JSON file
self.update_blender_values()
# Increment the simulation tick
self.tick += 1
if video:
next(save_screen)
except Exception as e:
running = False
if self.view:
pygame.quit()
pygame.display.quit()
# Record whether Green Agent and Fireball collision occurred
self.patient_fireball_collision = 1 if handlers.PF_COLLISION else 0
# Reset collision handler
handlers.PF_COLLISION = []
handlers.AP_COLLISION = []
handlers.AF_COLLISION = []
if video:
vid_from_img(filename)
def counterfactual_run(self, std_dev, video=False, filename=''):
'''
Forward method for Environments. Actually runs the scenarios you
view on (or off) screen.
std_dev::float -- noise parameter for simulation
video::bool -- whether you want to record the simulation
filename::str -- file name for video
'''
# We remove the agent from the environment
self.space.remove(self.space.shapes[0])
self.space.remove(self.space.bodies[0])
# Reinitialize pygame
pygame.init()
# If viewing, draw simulaiton to screen
if self.view:
pygame.init()
self.screen = pygame.display.set_mode((1000, 600))
self.options = pymunk.pygame_util.DrawOptions(self.screen)
self.clock = pygame.time.Clock()
# Set noise parameter
self.std_dev = std_dev
save_screen = make_video(self.screen)
# Agent velocities
_, p_vel, f_vel = self.vel
# Counterfactual ticks for agents
self.patient.counterfactual_tick = self.agent_patient_collision
self.fireball.counterfactual_tick = self.agent_fireball_collision
# Agent action generators (yield actions of agents)
p_generator = self.patient.act(p_vel, self.clock, self.screen,
self.space, self.options, self.view,
self.std_dev)
f_generator = self.fireball.act(f_vel, self.clock, self.screen,
self.space, self.options, self.view,
self.std_dev)
# Running flag
running = True
# Main loop. Run simulation until collision between Green Agent
# and Fireball
while running and not handlers.PF_COLLISION:
try:
# Generate the next tick in the simulation for each object
next(p_generator)
next(f_generator)
# Render space on screen (if requested)
if self.view:
self.screen.fill((255, 255, 255))
self.space.debug_draw(self.options)
pygame.display.flip()
self.clock.tick(50)
self.space.step(1 / 50.0)
# Update the values for the Blender JSON file
self.update_blender_values()
# Increment the simulation tick
self.tick += 1
# Increment ticks in agents
self.patient.tick = self.tick
self.fireball.tick = self.tick
if video:
next(save_screen)
except:
running = False
if self.view:
pygame.quit()
pygame.display.quit()
# Record whether Green Agent and Fireball collision occurred
self.patient_fireball_collision = 1 if handlers.PF_COLLISION else 0
# Reset collision handler
handlers.PF_COLLISION = []
handlers.AP_COLLISION = []
handlers.AF_COLLISION = []
if video:
vid_from_img(filename)
_d_log = "logs"
_f_info = "_info.log"
_f_checkpoint = "_checkpoint"
_episode = 0
_scores = []
if os.path.exists(_f_info):
with open(_f_info, "r") as _f:
for _line in _f.readlines():
_a, _b = _line.split("\t")
_episode = int(_a)
_scores.append(float(_b))
_n_games = _episode + 5000
_agent = Agent((8,), 4)
if os.path.exists(_f_checkpoint):
_agent.net.load_checkpoint(_f_checkpoint)
_writer = SummaryWriter(_d_log)
_is_quit = False
while _episode < _n_games:
_observation = _env.reset()
_done = False
_score = 0.0
while not _done:
_action = _agent.get_action(_observation)
_next_observation, _reward, _done, _info = _env.step(_action)
_score += _reward
_agent.learn(_observation, _reward, _next_observation, _done)
_observation = _next_observation
def __init__(self,
a_params,
p_params,
f_params,
vel,
handlers=None,
view=True,
std_dev=0,
frict=0.05):
'''
Environment class that contains all necessary components to configure
and run scenarios.
a_params::dict -- parameters for the Blue Agent
p_params::dict -- parameters for the Green Agent
f_params::dict -- parameters for the Fireball
vel::tuple -- velcoties associated with each agent in the scenario
handlers::tuple -- optional collision handlers
view::bool -- flag for whether you want to view the scenario or not
frict::float -- friction value for pymunk physics
std_dev::float -- standard deviation value for noisy counterfactual simulation
'''
self.view = view
self.std_dev = std_dev
# Objects in environent
self.agent = Agent(a_params['loc'][0], a_params['loc'][1],
a_params['color'], a_params['coll'],
a_params['moves'])
self.patient = Agent(p_params['loc'][0], p_params['loc'][1],
p_params['color'], p_params['coll'],
p_params['moves'])
self.fireball = Agent(f_params['loc'][0], f_params['loc'][1],
f_params['color'], f_params['coll'],
f_params['moves'])
# Initial location of objects in environment
self.p_loc = p_params['loc']
self.a_loc = a_params['loc']
self.f_loc = f_params['loc']
# Pymunk space friction
self.friction = frict
# Agent velocities
self.vel = vel
self.pf_lock = False
self.af_lock = False
self.ap_lock = False
# Engine parameters
self.space = None
self.screen = None
self.options = None
self.clock = None
# Collision handlers
self.coll_handlers = [x for x in handlers] if handlers else handlers
# Values needed for rendering the scenario in Blender
self.tick = 0
self.agent_collision = None
self.agent_patient_collision = None
self.agent_fireball_collision = None
self.patient_fireball_collision = 0
self.position_dict = {'agent': [], 'patient': [], 'fireball': []}
self.screen_size = (1000, 600)
# Configure and run environment
self.configure()
def setUp(self) -> None:
self.test_players = [Agent(), Agent()]
pi_historical = []
w_historical = []
r_historical = []
t_historical = []
# For intra-algo
mu_bar_historical = []
mu_historical = []
# Init the Agent's environment
env = Environment()
# Init the expert agent
# Feed it the expert trajectories
a = Agent(type='expert',
action_list=['l', 'r'],
environment=env,
trajectories=[['r', 'r', 'r', 'r', 'r', 'r', 'r', 'r', 'r', 'r']])
# Build said expert trajectories
a.build_trajectories()
# Build the Agent's initial state distribution
a.build_D()
# Init a standalone environment for the state itself
simul_env = Environment()
# Init the simulation
sim = Simulation(agents=a, environment=simul_env, alpha=.02)
# This method will initalize a matrix of state-action pairs and their values (currently set to init all
from disc_bertrand import DiscrBertrand
from config import avg_profit_gain
# Parameters
env = DiscrBertrand()
from config import PARAMS
GAMMA = PARAMS[0]
ALPHA = PARAMS[1]
BETA = PARAMS[2]
NUM_EPISODES = PARAMS[3].astype(int)
nA = PARAMS[5].astype(int)
ITER_BREAK = PARAMS[7].astype(int)
CONV = PARAMS[8].astype(int)
# Objects
agent1 = Agent()
agent2 = Agent()
# Initializations
writer = SummaryWriter(comment="-q-iteration")
iter_no = 0
# Q learning Algorithm
profits = np.zeros((ITER_BREAK + 2, NUM_EPISODES + 2))
for ep in range(NUM_EPISODES):
print(ep)
# 1: initialise Qs
env.reset()
agent1.reset()
agent2.reset()
f.write("\n max_num_steps: " + str(max_num_steps))
f.write("\n num_steps: " + str(num_steps))
f.write("\n mini_batch_size: " + str(mini_batch_size))
f.write("\n ppo_epochs: " + str(ppo_epochs))
f.write("\n GAMMA: " + str(GAMMA))
f.write("\n GAE_LAMBDA: " + str(GAE_LAMBDA))
f.write("\n PPO_EPSILON: " + str(PPO_EPSILON))
f.write("\n CRICIC_DISCOUNT: " + str(CRICIC_DISCOUNT))
f.write("\n ENTROPY_BETA: " + str(ENTROPY_BETA))
f.write("\n eta: " + str(eta))
f.write("\n LSTM: Yes")
f.write("\n Architecture: 1")
f.close()
agent = Agent(state_size_map, state_size_depth , state_size_goal, num_outputs, hidden_size, stack_size, lstm_layers,load_model, MODELPATH, lr, mini_batch_size, num_envs, lr_decay_epoch, init_lr,writer, eta)
max_frames = 500000
test_rewards = []
episode_length = []
for i in range(0, num_envs):
episode_length.append(max_num_steps)
envs.set_episode_length(episode_length)
early_stop = True
best_reward = 0
map_state,depth_state, goal_state = envs.reset()
def play(forever, w, h):
global records, returnsBool, steps
#variables for graphing
countTo10 = 0
myCount = 0
counter = [0 for i in range(10)]
num = w * h
gamma = 0.9
e = 0.3
pts = [0 for i in range(int(forever / 10))]
for i in range(forever):
# reset the rewards boolean value
returnsBool = np.zeros(shape=(3, 3, 3, 3, 3, 3, 3, 3, 8))
records = [] # reset
#intialize the board
agent = Agent(w, h)
ships = agent.ships
board = agent.enemyBoard
actionSet = {i for i in range(num)}
win = False
while not win:
# select a random action from the actionSet
action = random.choice(tuple(actionSet))
actionSet.remove(action)
y = int(action / w)
x = action % h
hit = checkHit([y, x], ships, board)
state = getState([y, x], board, w, h)
#print("rand")
if hit:
# if action was a hit, enter Monte Carlo guessing
records = [] # reset
win = monteCarlo([y, x], ships, board, e, w, h, gamma)
else:
# update the board location to be a miss
board[y][x] = 1
# for graphing purposes
## print(steps/3)
counter[countTo10] = steps / 3 # ave num of hits to sink a ship
countTo10 += 1
steps = 0
if countTo10 == 10:
countTo10 = 0
pts[myCount] = statistics.mean(counter)
myCount += 1
episodes = np.array([i for i in range(1, forever + 1, 10)])
pts = np.array(pts)
plt.figure(1)
plt.plot(episodes, pts)
plt.xlabel('Number of Episodes')
plt.ylabel('Time Steps to Sink a Ship')
plt.title('Convergence of Monte Carlo')
plt.show()
return board
def setup(model):
model.reset()
model.add_agent(Agent())
'LEARNING_RATE': 5e-4,
'REPLAY_BUFFER_SIZE': 100000,
'MIN_REPLAY_BUFFER_SIZE': 1000,
'EPSILON_START': 1,
'EPSILON_END': 0.1,
'EPSILON_DECAY_DURATION': 50000,
}
# Allow changing hyperparameters from command-line arguments
args = get_args(default_args=args_dict)
# Create wrapped environment
env = make_env(args.ENV_ID)
# Set Seed
set_seed(env, args.SEED)
# GPU or CPU
device = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
# Create agent
agent = Agent(env, device, args)
# Train agent for args.NB_FRAMES
agent.train()
# Save agent
agent.save()
# Test agent
agent.test(render=False)
def create_all(self, pops, regions):
"""Based on regions and population data,
create agents, families, houses, and firms"""
agent_id = 0
house_id = 0
family_id = 0
firm_id = 0
my_agents = {}
my_families = {}
my_houses = {}
my_firms = {}
for region_id, region in regions.items():
logger.info('Generating region {}'.format(region_id))
num_houses = 0
regional_agents = {}
pop_cols = list(list(pops.values())[0].columns)
if not self.sim.PARAMS['SIMPLIFY_POP_EVOLUTION']:
list_of_possible_ages = pop_cols[1:]
else:
list_of_possible_ages = [0] + pop_cols[1:]
loop_age_control = list(list_of_possible_ages)
loop_age_control.pop(0)
for age in loop_age_control:
for gender in ['male', 'female']:
cod_mun = region.id
pop = pop_age_data(
pops[gender], cod_mun, age,
self.sim.PARAMS['PERCENTAGE_ACTUAL_POP'])
for individual in range(pop):
# Qualification
# To see a histogram check test:
qualification = self.qual(cod_mun)
r_age = self.seed.randint(
list_of_possible_ages[
(list_of_possible_ages.index(age, ) - 1)] + 1,
age)
money = self.seed.randrange(50, 100)
month = self.seed.randrange(1, 13, 1)
a = Agent(agent_id, gender, r_age, qualification,
money, month)
regional_agents[agent_id] = a
agent_id += 1
num_houses += 1
for agent in regional_agents.keys():
my_agents[agent] = regional_agents[agent]
num_families = int(num_houses /
self.sim.PARAMS['MEMBERS_PER_FAMILY'])
num_houses = int(num_houses /
self.sim.PARAMS['MEMBERS_PER_FAMILY'] *
(1 + self.sim.PARAMS['HOUSE_VACANCY']))
num_firms = int(num_emp[num_emp['cod_mun'] == int(
region.id)]['num_est'].iloc[0] *
self.sim.PARAMS['PERCENTAGE_ACTUAL_POP'])
regional_families = (self.create_family(num_families, family_id))
family_id += num_families
regional_houses = self.create_household(num_houses, region,
house_id)
house_id += num_houses
regional_firms = self.create_firm(num_firms, region, firm_id)
firm_id += num_firms
for family in regional_families.keys():
my_families[family] = regional_families[family]
for house in regional_houses.keys():
my_houses[house] = regional_houses[house]
for firm in regional_firms.keys():
my_firms[firm] = regional_firms[firm]
regional_agents, regional_families = self.allocate_to_family(
regional_agents, regional_families)
regional_families = self.allocate_to_households(
regional_families, regional_houses)
# Set ownership of remaining houses for random families
for house in regional_houses.keys():
if regional_houses[house].owner_id is None:
family = self.seed.choice(list(regional_families.keys()))
regional_houses[house].owner_id = regional_families[
family].id
return my_agents, my_houses, my_families, my_firms
def test_Agent():
def constant_prog(percept):
return percept
agent = Agent(constant_prog)
result = agent.program(5)
assert result == 5
print('Rounds played: ' + str(num_rounds))
return G
if __name__ == '__main__':
G = makegraphs.ec_toy()
c = 2
agentlist = defaultdict(Agent)
#id num, utility, endowment, prices, subplans,
#middlemen. Agent 1 degree central, agent 2 between central
agentlist[2] = Agent(2,
np.array((10, 1)),
np.array((0.01, 0.98)),
np.array((10, 10)),
loan=LOAN_AMT)
agentlist[1] = Agent(1,
np.array((10, 10)),
np.array((0.01, 0.01)),
np.array((10, 10)),
loan=LOAN_AMT)
#type 1 util player
agentlist[3] = Agent(3,
np.array((1, 10)),
np.array((0.98, 0.01)),
np.array((1, 10)),
loan=LOAN_AMT)
agentlist[6] = Agent(6,