[75] | 1 | import logging
|
---|
| 2 | from random import randint,uniform
|
---|
| 3 | from time import time
|
---|
| 4 | from typing import cast
|
---|
| 5 |
|
---|
| 6 | from geniusweb.actions.Accept import Accept
|
---|
| 7 | from geniusweb.actions.Action import Action
|
---|
| 8 | from geniusweb.actions.LearningDone import LearningDone
|
---|
| 9 | from geniusweb.actions.Offer import Offer
|
---|
| 10 | from geniusweb.actions.PartyId import PartyId
|
---|
| 11 | from geniusweb.actions.Vote import Vote
|
---|
| 12 | from geniusweb.actions.Votes import Votes
|
---|
| 13 | from geniusweb.bidspace.AllBidsList import AllBidsList
|
---|
| 14 | from geniusweb.inform.ActionDone import ActionDone
|
---|
| 15 | from geniusweb.inform.Finished import Finished
|
---|
| 16 | from geniusweb.inform.Inform import Inform
|
---|
| 17 | from geniusweb.inform.OptIn import OptIn
|
---|
| 18 | from geniusweb.inform.Settings import Settings
|
---|
| 19 | from geniusweb.inform.Voting import Voting
|
---|
| 20 | from geniusweb.inform.YourTurn import YourTurn
|
---|
| 21 | from geniusweb.issuevalue.Bid import Bid
|
---|
| 22 | from geniusweb.issuevalue.Domain import Domain
|
---|
| 23 | from geniusweb.issuevalue.Value import Value
|
---|
| 24 | from geniusweb.issuevalue.ValueSet import ValueSet
|
---|
| 25 | from geniusweb.party.Capabilities import Capabilities
|
---|
| 26 | from geniusweb.party.DefaultParty import DefaultParty
|
---|
| 27 | from geniusweb.profile.utilityspace.UtilitySpace import UtilitySpace
|
---|
| 28 | from geniusweb.profile.utilityspace.LinearAdditiveUtilitySpace import (
|
---|
| 29 | LinearAdditiveUtilitySpace,
|
---|
| 30 | )
|
---|
| 31 | from geniusweb.profileconnection.ProfileConnectionFactory import (
|
---|
| 32 | ProfileConnectionFactory,
|
---|
| 33 | )
|
---|
| 34 | from geniusweb.progress.ProgressTime import ProgressTime
|
---|
| 35 | from geniusweb.references.Parameters import Parameters
|
---|
| 36 | from tudelft_utilities_logging.ReportToLogger import ReportToLogger
|
---|
| 37 |
|
---|
| 38 | from .utils.opponent_model import OpponentModel
|
---|
| 39 |
|
---|
| 40 | from geniusweb.progress.ProgressRounds import ProgressRounds
|
---|
| 41 | from geniusweb.utils import val
|
---|
| 42 | from geniusweb.profileconnection.ProfileInterface import ProfileInterface
|
---|
| 43 | from geniusweb.profile.utilityspace.LinearAdditive import LinearAdditive
|
---|
| 44 | from geniusweb.progress.Progress import Progress
|
---|
| 45 | from tudelft.utilities.immutablelist.ImmutableList import ImmutableList
|
---|
| 46 | from decimal import Decimal
|
---|
| 47 | import sys
|
---|
| 48 | from .extended_util_space import ExtendedUtilSpace
|
---|
| 49 | from tudelft_utilities_logging.Reporter import Reporter
|
---|
| 50 |
|
---|
| 51 |
|
---|
| 52 | class AgentFish(DefaultParty):
|
---|
| 53 | """
|
---|
| 54 | Template of a Python geniusweb agent.
|
---|
| 55 | """
|
---|
| 56 |
|
---|
| 57 | def __init__(self):
|
---|
| 58 | super().__init__()
|
---|
| 59 | self.logger: ReportToLogger = self.getReporter()
|
---|
| 60 |
|
---|
| 61 | self.domain: Domain = None
|
---|
| 62 | self.parameters: Parameters = None
|
---|
| 63 | self.profile: LinearAdditiveUtilitySpace = None
|
---|
| 64 | self.progress: ProgressTime = None
|
---|
| 65 | self.me: PartyId = None
|
---|
| 66 | self.other: str = None
|
---|
| 67 | self.settings: Settings = None
|
---|
| 68 | self.storage_dir: str = None
|
---|
| 69 |
|
---|
| 70 | self.last_received_bid: Bid = None
|
---|
| 71 | self.opponent_model: OpponentModel = None
|
---|
| 72 | self.logger.log(logging.INFO, "party is initialized")
|
---|
| 73 |
|
---|
| 74 | self.profileint: ProfileInterface = None # type:ignore
|
---|
| 75 | self.utilspace: LinearAdditive = None # type:ignore
|
---|
| 76 | self.extendedspace: ExtendedUtilSpace = None # type:ignore
|
---|
| 77 | self.e: float = 1.2
|
---|
| 78 | self.lastvotes: Votes = None # type:ignore
|
---|
| 79 | self.opponent_max = 0.0
|
---|
| 80 |
|
---|
| 81 | def notifyChange(self, data: Inform):
|
---|
| 82 | """MUST BE IMPLEMENTED
|
---|
| 83 | This is the entry point of all interaction with your agent after is has been initialised.
|
---|
| 84 | How to handle the received data is based on its class type.
|
---|
| 85 |
|
---|
| 86 | Args:
|
---|
| 87 | info (Inform): Contains either a request for action or information.
|
---|
| 88 | """
|
---|
| 89 |
|
---|
| 90 | # a Settings message is the first message that will be send to your
|
---|
| 91 | # agent containing all the information about the negotiation session.
|
---|
| 92 | if isinstance(data, Settings):
|
---|
| 93 | self.settings = cast(Settings, data)
|
---|
| 94 | self.me = self.settings.getID()
|
---|
| 95 |
|
---|
| 96 | # progress towards the deadline has to be tracked manually through the use of the Progress object
|
---|
| 97 | self.progress = self.settings.getProgress()
|
---|
| 98 |
|
---|
| 99 | self.parameters = self.settings.getParameters()
|
---|
| 100 | self.storage_dir = self.parameters.get("storage_dir")
|
---|
| 101 |
|
---|
| 102 | # the profile contains the preferences of the agent over the domain
|
---|
| 103 | profile_connection = ProfileConnectionFactory.create(
|
---|
| 104 | data.getProfile().getURI(), self.getReporter()
|
---|
| 105 | )
|
---|
| 106 | self.profile = profile_connection.getProfile()
|
---|
| 107 | self.domain = self.profile.getDomain()
|
---|
| 108 | profile_connection.close()
|
---|
| 109 |
|
---|
| 110 | # ActionDone informs you of an action (an offer or an accept)
|
---|
| 111 | # that is performed by one of the agents (including yourself).
|
---|
| 112 | elif isinstance(data, ActionDone):
|
---|
| 113 | action = cast(ActionDone, data).getAction()
|
---|
| 114 | actor = action.getActor()
|
---|
| 115 |
|
---|
| 116 | # ignore action if it is our action
|
---|
| 117 | if actor != self.me:
|
---|
| 118 | # obtain the name of the opponent, cutting of the position ID.
|
---|
| 119 | self.other = str(actor).rsplit("_", 1)[0]
|
---|
| 120 |
|
---|
| 121 | # process action done by opponent
|
---|
| 122 | self.opponent_action(action)
|
---|
| 123 | # YourTurn notifies you that it is your turn to act
|
---|
| 124 | elif isinstance(data, YourTurn):
|
---|
| 125 | # execute a turn
|
---|
| 126 | self.my_turn()
|
---|
| 127 |
|
---|
| 128 | # Finished will be send if the negotiation has ended (through agreement or deadline)
|
---|
| 129 | elif isinstance(data, Finished):
|
---|
| 130 | self.save_data()
|
---|
| 131 | # terminate the agent MUST BE CALLED
|
---|
| 132 | self.logger.log(logging.INFO, "party is terminating:")
|
---|
| 133 | super().terminate()
|
---|
| 134 | else:
|
---|
| 135 | self.logger.log(logging.WARNING, "Ignoring unknown info " + str(data))
|
---|
| 136 |
|
---|
| 137 | def getE(self) -> float:
|
---|
| 138 |
|
---|
| 139 | return self.e
|
---|
| 140 |
|
---|
| 141 | def getCapabilities(self) -> Capabilities:
|
---|
| 142 | """MUST BE IMPLEMENTED
|
---|
| 143 | Method to indicate to the protocol what the capabilities of this agent are.
|
---|
| 144 | Leave it as is for the ANL 2022 competition
|
---|
| 145 |
|
---|
| 146 | Returns:
|
---|
| 147 | Capabilities: Capabilities representation class
|
---|
| 148 | """
|
---|
| 149 | return Capabilities(
|
---|
| 150 | set(["SAOP"]),
|
---|
| 151 | set(["geniusweb.profile.utilityspace.LinearAdditive"]),
|
---|
| 152 | )
|
---|
| 153 |
|
---|
| 154 | def send_action(self, action: Action):
|
---|
| 155 | """Sends an action to the opponent(s)
|
---|
| 156 |
|
---|
| 157 | Args:
|
---|
| 158 | action (Action): action of this agent
|
---|
| 159 | """
|
---|
| 160 | self.getConnection().send(action)
|
---|
| 161 |
|
---|
| 162 | # give a description of your agent
|
---|
| 163 | def getDescription(self) -> str:
|
---|
| 164 | """MUST BE IMPLEMENTED
|
---|
| 165 | Returns a description of your agent. 1 or 2 sentences.
|
---|
| 166 |
|
---|
| 167 | Returns:
|
---|
| 168 | str: Agent description
|
---|
| 169 | """
|
---|
| 170 | return "Foot in the Door agent for the ANL 2022 competition"
|
---|
| 171 |
|
---|
| 172 | def opponent_action(self, action):
|
---|
| 173 | """Process an action that was received from the opponent.
|
---|
| 174 |
|
---|
| 175 | Args:
|
---|
| 176 | action (Action): action of opponent
|
---|
| 177 | """
|
---|
| 178 | # if it is an offer, set the last received bid
|
---|
| 179 | if isinstance(action, Offer):
|
---|
| 180 | # create opponent model if it was not yet initialised
|
---|
| 181 | if self.opponent_model is None:
|
---|
| 182 | self.opponent_model = OpponentModel(self.domain)
|
---|
| 183 |
|
---|
| 184 | bid = cast(Offer, action).getBid()
|
---|
| 185 |
|
---|
| 186 | # update opponent model with bid
|
---|
| 187 | self.opponent_model.update(bid)
|
---|
| 188 | # set bid as last received
|
---|
| 189 | self.last_received_bid = bid
|
---|
| 190 |
|
---|
| 191 | if self.opponent_max < self.profile.getUtility(bid):
|
---|
| 192 | self.opponent_max = self.profile.getUtility(bid)
|
---|
| 193 |
|
---|
| 194 | def my_turn(self):
|
---|
| 195 | """This method is called when it is our turn. It should decide upon an action
|
---|
| 196 | to perform and send this action to the opponent.
|
---|
| 197 | """
|
---|
| 198 | # check if the last received offer is good enough
|
---|
| 199 | self.updateUtilSpace()
|
---|
| 200 | if self.accept_condition(self.last_received_bid):
|
---|
| 201 | # if so, accept the offer
|
---|
| 202 | action = Accept(self.me, self.last_received_bid)
|
---|
| 203 | else:
|
---|
| 204 | # if not, find a bid to propose as counter offer
|
---|
| 205 | bid = self.makeBid()
|
---|
| 206 | action = Offer(self.me, bid)
|
---|
| 207 |
|
---|
| 208 | # send the action
|
---|
| 209 | self.send_action(action)
|
---|
| 210 |
|
---|
| 211 | def updateUtilSpace(self) -> LinearAdditive: # throws IOException
|
---|
| 212 | newutilspace = self.profile
|
---|
| 213 | if not newutilspace == self.utilspace:
|
---|
| 214 | self.utilspace = cast(LinearAdditive, newutilspace)
|
---|
| 215 | self.extendedspace = ExtendedUtilSpace(self.utilspace)
|
---|
| 216 | return self.utilspace
|
---|
| 217 |
|
---|
| 218 | def makeBid(self) -> Bid:
|
---|
| 219 | """
|
---|
| 220 | @return next possible bid with current target utility, or null if no such
|
---|
| 221 | bid.
|
---|
| 222 | """
|
---|
| 223 | time_to_deadline = self.progress.get(time() * 1000)
|
---|
| 224 |
|
---|
| 225 | utilityGoal = self.getUtilityGoal(
|
---|
| 226 | time_to_deadline,
|
---|
| 227 | self.getE(),
|
---|
| 228 | self.extendedspace.getMin(),
|
---|
| 229 | self.extendedspace.getMax(),
|
---|
| 230 | )
|
---|
| 231 | options: ImmutableList[Bid] = self.extendedspace.getBids(utilityGoal)
|
---|
| 232 | if options.size() == 0:
|
---|
| 233 | # if we can't find good bid, get max util bid....
|
---|
| 234 | options = self.extendedspace.getBids(self.extendedspace.getMax())
|
---|
| 235 | # pick a random one.
|
---|
| 236 | return options.get(randint(0, options.size() - 1))
|
---|
| 237 |
|
---|
| 238 | def getUtilityGoal(
|
---|
| 239 | self, t: float, e: float, minUtil: Decimal, maxUtil: Decimal
|
---|
| 240 | ) -> Decimal:
|
---|
| 241 | """
|
---|
| 242 | @param t the time in [0,1] where 0 means start of nego and 1 the
|
---|
| 243 | end of nego (absolute time/round limit)
|
---|
| 244 | @param e the e value that determinses how fast the party makes
|
---|
| 245 | concessions with time. Typically around 1. 0 means no
|
---|
| 246 | concession, 1 linear concession, >1 faster than linear
|
---|
| 247 | concession.
|
---|
| 248 | @param minUtil the minimum utility possible in our profile
|
---|
| 249 | @param maxUtil the maximum utility possible in our profile
|
---|
| 250 | @return the utility goal for this time and e value
|
---|
| 251 | """
|
---|
| 252 |
|
---|
| 253 | ft1 = Decimal(1)
|
---|
| 254 | if e != 0:
|
---|
| 255 | ft1 = round(Decimal(1 - pow(t, 1 / e)), 6) # defaults ROUND_HALF_UP
|
---|
| 256 | myoffer = max(min((maxUtil - (maxUtil - minUtil) * ft1), maxUtil), minUtil)
|
---|
| 257 | return max(myoffer, self.opponent_max)
|
---|
| 258 |
|
---|
| 259 |
|
---|
| 260 | def save_data(self):
|
---|
| 261 | """This method is called after the negotiation is finished. It can be used to store data
|
---|
| 262 | for learning capabilities. Note that no extensive calculations can be done within this method.
|
---|
| 263 | Taking too much time might result in your agent being killed, so use it for storage only.
|
---|
| 264 | """
|
---|
| 265 | data = "Data for learning (see README.md)"
|
---|
| 266 | with open(f"{self.storage_dir}/data.md", "w") as f:
|
---|
| 267 | f.write(data)
|
---|
| 268 |
|
---|
| 269 | ###########################################################################################
|
---|
| 270 | ################################## Example methods below ##################################
|
---|
| 271 | ###########################################################################################
|
---|
| 272 |
|
---|
| 273 | def accept_condition(self, bid: Bid) -> bool:
|
---|
| 274 | if bid is None:
|
---|
| 275 | return False
|
---|
| 276 |
|
---|
| 277 | # progress of the negotiation session between 0 and 1 (1 is deadline)
|
---|
| 278 | progress = self.progress.get(time() * 1000)
|
---|
| 279 |
|
---|
| 280 | # very basic approach that accepts if the offer is valued above 0.7 and
|
---|
| 281 | # 95% of the time towards the deadline has passed
|
---|
| 282 | maxAccept = 0.8
|
---|
| 283 | minAccept = 0.6
|
---|
| 284 | ft = round(Decimal(1 - progress), 6) # defaults ROUND_HALF_UP
|
---|
| 285 | acceptline = max(min((minAccept + (maxAccept - minAccept) * float(ft)), maxAccept), minAccept)
|
---|
| 286 | conditions = [
|
---|
| 287 | float(self.profile.getUtility(bid)) > acceptline,
|
---|
| 288 | progress > uniform(0.8, 0.95),
|
---|
| 289 | progress > 0.95,
|
---|
| 290 | ]
|
---|
| 291 | return all([any(conditions), progress > 0.1])
|
---|
| 292 |
|
---|
| 293 | def score_bid(self, bid: Bid, alpha: float = 0.95, eps: float = 0.1) -> float:
|
---|
| 294 | """Calculate heuristic score for a bid
|
---|
| 295 |
|
---|
| 296 | Args:
|
---|
| 297 | bid (Bid): Bid to score
|
---|
| 298 | alpha (float, optional): Trade-off factor between self interested and
|
---|
| 299 | altruistic behaviour. Defaults to 0.95.
|
---|
| 300 | eps (float, optional): Time pressure factor, balances between conceding
|
---|
| 301 | and Boulware behaviour over time. Defaults to 0.1.
|
---|
| 302 |
|
---|
| 303 | Returns:
|
---|
| 304 | float: score
|
---|
| 305 | """
|
---|
| 306 | progress = self.progress.get(time() * 1000)
|
---|
| 307 |
|
---|
| 308 | our_utility = float(self.profile.getUtility(bid))
|
---|
| 309 |
|
---|
| 310 | time_pressure = 1.0 - progress ** (1 / eps)
|
---|
| 311 | score = alpha * time_pressure * our_utility
|
---|
| 312 |
|
---|
| 313 | if self.opponent_model is not None:
|
---|
| 314 | opponent_utility = self.opponent_model.get_predicted_utility(bid)
|
---|
| 315 | opponent_score = (1.0 - alpha * time_pressure) * opponent_utility
|
---|
| 316 | score += opponent_score
|
---|
| 317 |
|
---|
| 318 | return score
|
---|