1 | from .extended_util_space import ExtendedUtilSpace
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2 | from .utils.opponent_model import OpponentModel
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3 | from decimal import Decimal
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4 | from geniusweb.actions.Accept import Accept
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5 | from geniusweb.actions.Action import Action
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6 | from geniusweb.actions.Offer import Offer
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7 | from geniusweb.actions.PartyId import PartyId
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8 | from geniusweb.inform.ActionDone import ActionDone
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9 | from geniusweb.inform.Finished import Finished
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10 | from geniusweb.inform.Inform import Inform
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11 | from geniusweb.inform.Settings import Settings
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12 | from geniusweb.inform.YourTurn import YourTurn
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13 | from geniusweb.issuevalue.Bid import Bid
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14 | from geniusweb.issuevalue.Domain import Domain
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15 | from geniusweb.party.Capabilities import Capabilities
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16 | from geniusweb.party.DefaultParty import DefaultParty
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17 | from geniusweb.profile.utilityspace.LinearAdditive import LinearAdditive
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18 | from geniusweb.profileconnection.ProfileConnectionFactory import ProfileConnectionFactory
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19 | from geniusweb.profileconnection.ProfileInterface import ProfileInterface
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20 | from geniusweb.progress.Progress import Progress
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21 | from geniusweb.references.Parameters import Parameters
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22 | from json import dump, load
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23 | from random import randint
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24 | from statistics import mean
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25 | from time import time as clock
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26 | from tudelft.utilities.immutablelist.ImmutableList import ImmutableList
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27 | from tudelft_utilities_logging.Reporter import Reporter
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28 | import logging
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29 |
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30 |
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31 | class ChargingBoul(DefaultParty):
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32 | def __init__(self, reporter: Reporter = None):
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33 | super().__init__(reporter)
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34 | self.best_received_bid: Bid = None
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35 | self.best_received_util: Decimal = Decimal(0)
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36 | self.domain: Domain = None
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37 | self.e: float = 0.1
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38 | self.extended_space: ExtendedUtilSpace = None
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39 | self.filepath: str = None
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40 | self.final_rounds: int = 90
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41 | self.last_received_bid: Bid = None
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42 | self.last_received_util: Decimal = None
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43 | self.max_util = Decimal(1)
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44 | self.me: PartyId = None
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45 | self.min_util = Decimal(0.5)
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46 | self.opponent_model: OpponentModel = None
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47 | self.opponent_strategy: str = None
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48 | self.other: str = None
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49 | self.parameters: Parameters = None
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50 | self.profile_int: ProfileInterface = None
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51 | self.progress: Progress = None
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52 | self.received_bids: list = []
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53 | self.received_utils: list = []
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54 | self.settings: Settings = None
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55 | self.storage_dir: str = None
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56 | self.summary: dict = None
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57 | self.util_space: LinearAdditive = None
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58 | self.getReporter().log(logging.INFO, "party is initialized")
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59 |
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60 | def notifyChange(self, info: Inform):
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61 | """MUST BE IMPLEMENTED
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62 | This is the entry point of all interaction with your agent after is has been initialised.
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63 | How to handle the received data is based on its class type.
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64 |
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65 | Args:
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66 | info (Inform): Contains either a request for action or information.
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67 | """
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68 | try:
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69 | if isinstance(info, Settings):
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70 | self.settings = info
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71 | self.me = self.settings.getID()
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72 | self.parameters = self.settings.getParameters()
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73 | self.profile_int = ProfileConnectionFactory.create(
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74 | self.settings.getProfile().getURI(), self.getReporter()
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75 | )
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76 | self.progress = self.settings.getProgress()
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77 | self.storage_dir = self.parameters.get("storage_dir")
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78 | self.util_space = self.profile_int.getProfile()
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79 | self.domain = self.util_space.getDomain()
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80 | self.extended_space = ExtendedUtilSpace(self.util_space)
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81 | self.detect_strategy()
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82 | elif isinstance(info, ActionDone):
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83 | other_act: Action = info.getAction()
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84 | actor = other_act.getActor()
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85 | if actor != self.me:
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86 | self.other = str(actor).rsplit("_", 1)[0]
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87 | self.filepath = f"{self.storage_dir}/{self.other}.json"
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88 | if isinstance(other_act, Offer):
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89 | # create opponent model if it was not yet initialised
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90 | if self.opponent_model is None:
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91 | self.opponent_model = OpponentModel(self.domain)
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92 | self.last_received_bid = other_act.getBid()
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93 | self.last_received_util = self.util_space.getUtility(self.last_received_bid)
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94 | # update opponent model with bid
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95 | self.opponent_model.update(self.last_received_bid)
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96 | elif isinstance(info, YourTurn):
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97 | self.my_turn()
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98 | elif isinstance(info, Finished):
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99 | self.getReporter().log(logging.INFO, "Final outcome:" + str(info))
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100 | self.terminate()
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101 | # stop this party and free resources.
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102 | except Exception as ex:
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103 | self.getReporter().log(logging.CRITICAL, "Failed to handle info", ex)
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104 |
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105 | def getCapabilities(self) -> Capabilities:
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106 | """MUST BE IMPLEMENTED
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107 | Method to indicate to the protocol what the capabilities of this agent are.
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108 | Leave it as is for the ANL 2022 competition
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109 |
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110 | Returns:
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111 | Capabilities: Capabilities representation class
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112 | """
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113 | return Capabilities(
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114 | set(["SAOP"]),
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115 | set(["geniusweb.profile.utilityspace.LinearAdditive"]),
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116 | )
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117 |
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118 | def getDescription(self) -> str:
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119 | """MUST BE IMPLEMENTED
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120 | Returns a description of your agent. 1 or 2 sentences.
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121 |
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122 | Returns:
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123 | str: Agent description
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124 | """
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125 | return (
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126 | "Increasingly random Boulwarish agent. Last second concessions based on opponent's strategy."
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127 | )
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128 |
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129 | ##################### private support funcs #########################
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130 |
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131 | def detect_strategy(self):
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132 | if self.filepath is not None:
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133 | with open(self.filepath, "w") as f:
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134 | self.summary = load(f)
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135 | if self.summary["ubi"] >= 5:
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136 | self.opponent_strategy = "boulware"
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137 | self.e = 0.2 * 2**(5 - self.summary["ubi"])
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138 | elif self.summary["aui"] <= 2:
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139 | self.opponent_strategy = "hardline"
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140 | else:
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141 | self.opponent_strategy = "concede"
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142 | self.min_util = Decimal(0.4)
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143 |
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144 | def my_turn(self):
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145 | # Keep history of received bids and best alternative
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146 | if self.last_received_bid is not None:
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147 | self.received_bids.append(self.last_received_bid)
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148 | self.received_utils.append(self.last_received_util)
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149 | if self.last_received_util > self.best_received_util:
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150 | self.best_received_bid = self.last_received_bid
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151 | self.best_received_util = self.last_received_util
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152 | # Create new bid based on the point in the negotiation and opponent's strategy
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153 | t = self.progress.get(clock() * 1000)
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154 | if self.summary is not None and self.opponent_strategy == "boulware" and t > 1 - (1/2)**min(self.summary["ubi"], 10):
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155 | # If Boulware opponent is not going to concede much more, try to make a reasonable concession
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156 | bid = self.make_concession()
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157 | else:
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158 | bid = self.make_bid()
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159 | # Check if we've previously gotten a better bid already
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160 | if self.best_received_util >= self.util_space.getUtility(bid):
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161 | i = self.received_utils.index(self.best_received_util)
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162 | bid = self.received_bids.pop(i)
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163 | self.received_utils.pop(i)
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164 | # Find next bests
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165 | self.best_received_util = max(self.received_utils)
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166 | i = self.received_utils.index(self.best_received_util)
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167 | self.best_received_bid = self.received_bids[i]
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168 | # Take action
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169 | my_action: Action
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170 | if bid == None or (
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171 | self.last_received_bid != None
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172 | and self.util_space.getUtility(self.last_received_bid)
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173 | >= self.util_space.getUtility(bid)
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174 | ):
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175 | # if bid==null we failed to suggest next bid.
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176 | my_action = Accept(self.me, self.last_received_bid)
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177 | else:
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178 | my_action = Offer(self.me, bid)
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179 | self.getConnection().send(my_action)
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180 |
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181 | def make_concession(self):
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182 | self.min_util = Decimal(0.3)
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183 | opponent_util = self.opponent_model.get_predicted_utility(self.best_received_util)
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184 | if self.best_received_util > self.min_util and opponent_util < 2*self.min_util:
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185 | bid = self.best_received_bid
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186 | else:
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187 | bid = self.make_bid()
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188 | return bid
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189 |
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190 | def make_bid(self) -> Bid:
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191 | time = self.progress.get(clock() * 1000)
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192 | utility_goal = self.get_utility_goal(time)
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193 | options: ImmutableList[Bid] = self.extended_space.getBids(utility_goal, time)
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194 | if options.size() == 0:
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195 | # if we can't find good bid, get max util bid....
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196 | options = self.extended_space.getBids(self.max_util, time)
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197 | # pick a random one.
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198 | return options.get(randint(0, options.size() - 1))
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199 |
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200 | def get_utility_goal(self, t: float) -> Decimal:
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201 | ft1 = Decimal(1)
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202 | if self.e != 0:
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203 | ft1 = round(Decimal(1 - pow(t, 1 / self.e)), 6) # defaults ROUND_HALF_UP
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204 | return max(
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205 | min((self.min_util + (self.max_util - self.min_util) * ft1), self.max_util),
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206 | self.min_util
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207 | )
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208 |
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209 | def terminate(self):
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210 | self.save_data()
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211 | self.getReporter().log(logging.INFO, "party is terminating:")
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212 | super().terminate()
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213 | if self.profile_int != None:
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214 | self.profile_int.close()
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215 | self.profile_int = None
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216 |
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217 | def save_data(self):
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218 | ubi, aui = self.summarize_opponent()
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219 | with open(self.filepath, "w") as f:
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220 | dump({
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221 | "ubi": ubi,
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222 | "aui": aui
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223 | }, f)
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224 |
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225 | def summarize_opponent(self):
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226 | # Detect how much the number of unique bids is increasing
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227 | unique_bid_index = 0
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228 | s = round(len(self.received_bids)/2)
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229 | left = self.received_bids[:s]
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230 | right = self.received_bids[s:]
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231 | while len(set(left)) > 0 and len(set(right)) > 0 and len(set(left)) < len(set(right)):
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232 | unique_bid_index += 1
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233 | s = round(len(right)/2)
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234 | left = right[:s]
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235 | right = right[s:]
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236 | # Detect how much average utility is increasing
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237 | avg_utility_index = 0
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238 | s = round(len(self.received_utils)/2)
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239 | left = self.received_utils[:s]
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240 | right = self.received_utils[s:]
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241 | while len(set(left)) > 0 and len(set(right)) > 0 and mean(left) < mean(right):
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242 | avg_utility_index += 1
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243 | s = round(len(right)/2)
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244 | left = right[:s]
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245 | right = right[s:]
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246 | return unique_bid_index, avg_utility_index
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