CopyBot

This bot is basically an updated version of TleilaxuBot. It keeps its own copies of all bots, and asks the current leader for advice. If the leader is unable to answer, it defaults to throwing the die 5 times. It achieves a win rate of about 16% using this strategy.

class CopyBot(Bot):
    _bot_copies = {}
    _avoid = set(['TleilaxuBot', 'CopyBot'])

    def __init__(self, *args):
        super().__init__(*args)

        if not self._bot_copies:
            for f_info in inspect.stack():
                try:
                    all_bots = f_info.frame.f_locals["bots"]
                    break
                except KeyError:
                    pass
                finally:
                    del f_info
            for bot_class in all_bots:
                name = bot_class.__name__
                if name != __class__.__name__:
                    self._bot_copies[name] = bot_class(-1, self.end_score)

        for bot in self._bot_copies.values():
            bot.index = self.index
        self.find_bots()

    def find_bots(self):
        for f_info in inspect.stack():
            try:
                self.bots = f_info.frame.f_locals["game_bots"]
                self.bot_names = [bot.__class__.__name__ for bot in self.bots]
                break
            except KeyError:
                pass
            finally:
                del f_info

    def update_state(self, current_throws):
        self.bot_names = [bot.__class__.__name__ for bot in self.bots]
        self.current_throws = current_throws
        for i, bot_name in enumerate(self.bot_names):
            if i != self.index:
                self._bot_copies[bot_name].update_state(current_throws)

    def make_throw(self, scores, last_round):
        self.bot_names = [bot.__class__.__name__ for bot in self.bots]
        other_scores = [
            (s, i) for i, s in enumerate(scores) 
            if self.bot_names[i] not in self._avoid
        ]
        ind = [i for s, i in other_scores if s == max(other_scores)[0]][0]

        throws = 0
        try:
            winner_bot = self._bot_copies[self.bot_names[ind]]
            for answer in winner_bot.make_throw(scores, last_round):
                throws += 1
                yield answer
        except Exception:
            while throws < 5:
                yield True
                throws += 1
            yield False