1 | import logging
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2 | import time
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3 | from datetime import datetime, timedelta
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4 | from typing import cast
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5 |
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6 | import numpy as np
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7 | from geniusweb.actions.Accept import Accept
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8 | from geniusweb.actions.Action import Action
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9 | from geniusweb.actions.Offer import Offer
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10 | from geniusweb.bidspace.AllBidsList import AllBidsList
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11 | from geniusweb.inform.ActionDone import ActionDone
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12 | from geniusweb.inform.Finished import Finished
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13 | from geniusweb.inform.Inform import Inform
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14 | from geniusweb.inform.Settings import Settings
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15 | from geniusweb.inform.YourTurn import YourTurn
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16 | from geniusweb.issuevalue.Bid import Bid
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17 | from geniusweb.opponentmodel.FrequencyOpponentModel import FrequencyOpponentModel
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18 | from geniusweb.party.Capabilities import Capabilities
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19 | from geniusweb.party.DefaultParty import DefaultParty
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20 | from geniusweb.profileconnection.ProfileConnectionFactory import (ProfileConnectionFactory)
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21 | from geniusweb.progress.ProgressRounds import ProgressRounds
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22 | from tudelft_utilities_logging.Reporter import Reporter
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23 |
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24 |
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25 | class Agent64(DefaultParty):
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26 | """
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27 | Template agent that offers random bids until a bid with sufficient utility is offered.
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28 | """
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29 |
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30 | cur_max = 0.8
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31 | cur_min = 0.0
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32 |
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33 | def __init__(self, reporter: Reporter = None):
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34 | super().__init__(reporter)
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35 | self.getReporter().log(logging.INFO, "party is initialized")
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36 | self._profile = None
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37 | self._last_received_bid: Bid = None
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38 | self._last_received_action: Action = None
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39 | self._opponent_model: FrequencyOpponentModel = None
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40 | # Keeping track of best bid up until now for later usage
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41 | self._best_bid: Bid = None
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42 | self._lowest_bid: Bid = None
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43 | self._all_received_offers = []
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44 | self._past_20_offers = []
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45 | self._opponent_concedes = False
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46 | self._can_modify = True
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47 | self.cmin = 0.95
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48 | self.cmax = 1.0
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49 | self.niceness = 0.00125
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50 | self._concesssion_treshold = 1.2
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51 | self.accept_offer_now_time = None
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52 |
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53 | def notifyChange(self, info: Inform):
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54 | """This is the entry point of all interaction with your agent after is has been initialised.
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55 |
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56 | Args:
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57 | info (Inform): Contains either a request for action or information.
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58 | """
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59 |
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60 | # a Settings message is the first message that will be send to your
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61 | # agent containing all the information about the negotiation session.
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62 | if isinstance(info, Settings):
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63 | self._settings: Settings = cast(Settings, info)
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64 | self._me = self._settings.getID()
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65 |
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66 | # progress towards the deadline has to be tracked manually through the use of the Progress object
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67 | self._progress: ProgressRounds = self._settings.getProgress()
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68 | self.accept_offer_now_time = self._progress.getTerminationTime() - timedelta(seconds=2)
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69 |
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70 | # the profile contains the preferences of the agent over the domain
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71 | self._profile = ProfileConnectionFactory.create(
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72 | info.getProfile().getURI(), self.getReporter()
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73 | )
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74 | # ActionDone is an action send by an opponent (an offer or an accept)
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75 | elif isinstance(info, ActionDone):
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76 | action: Action = cast(ActionDone, info).getAction()
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77 |
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78 | # if it is an offer, set the last received bid
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79 | if isinstance(action, Offer):
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80 | self._last_received_bid = cast(Offer, action).getBid()
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81 | self._last_received_action = cast(Offer, action)
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82 | # YourTurn notifies you that it is your turn to act
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83 | elif isinstance(info, YourTurn):
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84 | action = self._myTurn()
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85 | if isinstance(self._progress, ProgressRounds):
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86 | self._progress = self._progress.advance()
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87 | self.getConnection().send(action)
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88 |
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89 | # Finished will be send if the negotiation has ended (through agreement or deadline)
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90 | elif isinstance(info, Finished):
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91 | # terminate the agent MUST BE CALLED
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92 | self.terminate()
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93 | else:
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94 | self.getReporter().log(
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95 | logging.WARNING, "Ignoring unknown info " + str(info)
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96 | )
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97 |
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98 | # lets the geniusweb system know what settings this agent can handle
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99 | # leave it as it is for this competition
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100 | def getCapabilities(self) -> Capabilities:
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101 | return Capabilities(
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102 | set(["SAOP"]),
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103 | set(["geniusweb.profile.utilityspace.LinearAdditive"]),
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104 | )
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105 |
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106 | # terminates the agent and its connections
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107 | # leave it as it is for this competition
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108 | def terminate(self):
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109 | self.getReporter().log(logging.INFO, "party is terminating:")
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110 | super().terminate()
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111 | if self._profile is not None:
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112 | self._profile.close()
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113 | self._profile = None
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114 |
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115 |
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116 |
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117 | # give a description of your agent
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118 | def getDescription(self) -> str:
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119 | return "Agnet64"
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120 |
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121 | # execute a turn
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122 | def _myTurn(self):
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123 | self._opponentModelling()
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124 |
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125 | # Store all received bids for acceptance purposes
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126 | self._all_received_offers.append(self._last_received_bid)
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127 |
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128 | if self._last_received_bid is not None:
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129 | # Store past 20 recieved bid utilities
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130 | if (len(self._past_20_offers) < 20):
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131 | self._past_20_offers.append(self._profile.getProfile().getUtility(self._last_received_bid))
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132 | else:
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133 | self._past_20_offers = self._past_20_offers[1:]
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134 |
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135 | if (self._profile.getProfile().getUtility(self._last_received_bid) / np.mean(
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136 | self._past_20_offers) > self._concesssion_treshold):
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137 | self._opponent_concedes = True
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138 | if (self._profile.getProfile().getUtility(self._last_received_bid) / np.mean(
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139 | self._past_20_offers) < self._concesssion_treshold):
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140 | self._opponent_concedes = False
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141 | self._can_modify = True
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142 |
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143 | profile = self._profile.getProfile()
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144 | if self._best_bid is None or profile.getUtility(self._last_received_bid) > profile.getUtility(self._best_bid):
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145 | self._best_bid = self._last_received_bid
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146 | if self._lowest_bid is None or profile.getUtility(self._last_received_bid) < profile.getUtility(
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147 | self._lowest_bid):
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148 | self._lowest_bid = self._last_received_bid
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149 |
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150 | # Find an appropriate bid
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151 | bid = self._findBid()
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152 | # check if the last received offer if the opponent is good enough
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153 | if self._last_received_bid is not None and self._accept(bid):
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154 | # print("Utility of the accepted bid: " + str(profile.getUtility(self._last_received_bid)))
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155 | action = Accept(self._me, self._last_received_bid)
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156 | else:
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157 | # if not, propose a bid as counter offer
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158 | action = Offer(self._me, bid)
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159 |
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160 | # send the action
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161 | return action
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162 |
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163 | # method that checks if we would agree with an offer
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164 | def _accept(self, bid: Bid) -> bool:
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165 | # First move, no offer yet
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166 | if bid is None:
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167 | return False
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168 |
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169 | current_round = self._progress.get(time.time() * 1000)
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170 | profile = self._profile.getProfile()
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171 | current_offer = profile.getUtility(self._last_received_bid)
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172 | own_bid_util = profile.getUtility(bid)
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173 |
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174 | # if near deadline
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175 | if current_round >= 0.98: # or datetime.now() >= self.accept_offer_now_time:
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176 | window = int((1 - current_round) * 200)
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177 | bids = []
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178 | for offer in self._all_received_offers[-window:]:
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179 | if offer:
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180 | bids.append(profile.getUtility(offer) * self._opponent_model.getUtility(offer))
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181 |
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182 | # (This max method checks if the current offer is better than the all the offers in the window)
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183 | if current_offer >= np.max(bids):
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184 | # print("Current offer (" + (str(round(current_offer, 2))) + ") is better than the max ("
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185 | # + str(round(np.max(bids), 2)) + ") of the previous "
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186 | # + str(window) + " offers, accepting...")
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187 | return True
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188 |
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189 | # C_next, checks if the offer we are about to make is equal or worse to the current offer from opponent
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190 | # If so, a consensus has been achieved
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191 |
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192 | if current_offer >= own_bid_util:
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193 | # print("About to offer something worse than what we were offered " + str(round(own_bid_util, 3))
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194 | # + ", accepting: " + str(round(current_offer, 3)))
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195 | return True
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196 | else:
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197 | return False
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198 |
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199 | def _findBid(self) -> Bid:
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200 | if self._opponent_concedes is False:
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201 | self.cmin -= self.niceness
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202 | if self._opponent_concedes is True and self._can_modify is True:
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203 |
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204 | if self.cmin <= 0.85:
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205 | self.cmin += 0.05
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206 | self._can_modify = False
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207 |
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208 | if self._progress.get(time.time() * 1000) > 0.2:
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209 | bid = self.get_random_bid()
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210 | else:
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211 | bid = self.get_true_random_bid()
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212 | if self._progress.get(time.time() * 1000) >= 0.995:
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213 | bid = self._best_bid
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214 |
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215 | return bid
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216 |
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217 | def get_random_bid(self):
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218 | available_bids = AllBidsList(self._profile.getProfile().getDomain())
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219 | random_better_bids = [bid for bid in available_bids if
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220 | self.cmin <= self._profile.getProfile().getUtility(bid) <= self.cmax]
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221 | if len(random_better_bids) == 0:
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222 | random_better_bids = [
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223 | max(map(lambda bid: (bid, self._profile.getProfile().getUtility(bid)), available_bids),
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224 | key=lambda tup: tup[1])[0]]
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225 | return random_better_bids[0]
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226 | best_bid_for_opponent = [
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227 | max(map(
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228 | lambda bid: (bid, self._opponent_model.getUtility(bid) * self._profile.getProfile().getUtility(bid)),
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229 | random_better_bids),
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230 | key=lambda tup: tup[1])[0]]
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231 | return best_bid_for_opponent[0]
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232 |
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233 | def get_true_random_bid(self):
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234 | available_bids = AllBidsList(self._profile.getProfile().getDomain())
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235 | random_better_bids = [bid for bid in available_bids if self._profile.getProfile().getUtility(bid) >= self.cmin]
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236 | if len(random_better_bids) == 0:
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237 | random_better_bids = [
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238 | max(map(lambda bid: (bid, self._profile.getProfile().getUtility(bid)), available_bids),
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239 | key=lambda tup: tup[1])[0]]
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240 | return np.random.choice(random_better_bids)
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241 |
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242 | def _opponentModelling(self):
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243 | if self._opponent_model is None:
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244 | self._createFrequencyOpponentModelling()
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245 | self._opponent_model = self._opponent_model.WithAction(self._last_received_action, self._progress)
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246 |
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247 | def _createFrequencyOpponentModelling(self):
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248 | domain = self._profile.getProfile().getDomain()
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249 | self._opponent_model: FrequencyOpponentModel = FrequencyOpponentModel.create().With(domain, newResBid=None)
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