pytron-web/pytron_run/utils.py

from positions import positions
from tron.game import Game, PositionPlayer

def run_battle(ai1, ai2, width, height):
    games = 50
    ai1_victories = 0
    ai2_victories = 0

    for (initial_position_one, initial_position_two) in positions():

        player_1 = None
        player_2 = None

        try:
            player_1 = ai1.constructor()
        except:
            pass

        try:
            player_2 =  ai2.constructor()
        except:
            pass


        winner = None
        if player_1 is not None and player_2 is not None:
            game = Game(width, height, [
                PositionPlayer(1, player_1, initial_position_one),
                PositionPlayer(2, player_2, initial_position_two),
            ])
            game.main_loop()
            winner = game.winner
        elif player_1 is None and player_2 is not None:
            # Player 2 wins because he was able to build an ai...
            winner = 2
        elif player_1 is not None and player_2 is None:
            winner = 1
        else:
            pass

        if winner == 1:
            ai1_victories += 1
        elif winner == 2:
            ai2_victories += 1

        # Inverse positions and replay to be symmetrical
        try:
            player_2 = ai2.constructor()
        except:
            pass

        try:
            player_1 =  ai1.constructor()
        except:
            pass

        winner = None
        if player_1 is not None and player_2 is not None:
            game = Game(width, height, [
                PositionPlayer(1, player_2, initial_position_one),
                PositionPlayer(2, player_1, initial_position_two),
            ])
            game.main_loop()
            winner = game.winner
        elif player_1 is None and player_2 is not None:
            winner = 1
        elif player_1 is not None and player_2 is None:
            winner = 2

        if winner == 1:
            ai2_victories += 1
        elif winner == 2:
            ai1_victories += 1

    return (ai1_victories, ai2_victories, 2 * games - ai1_victories - ai2_victories)