104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
import argparse
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import sys
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import os
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import time
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# Define helper functions
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def log_train_outcome(outcome, trained_eps = 0):
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format_vars = { 'trained_eps': trained_eps,
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'count': len(train_outcome),
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'sum': sum(train_outcome),
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'mean': sum(train_outcome) / len(train_outcome),
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'time': int(time.time())
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}
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with open(os.path.join(config['model_path'], 'logs', "train.log"), 'a+') as f:
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f.write("{time};{trained_eps};{count};{sum};{mean}".format(**format_vars) + "\n")
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def log_eval_outcomes(outcomes, trained_eps = 0):
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for outcome in outcomes:
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scores = outcome[1]
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format_vars = { 'trained_eps': trained_eps,
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'method': outcome[0],
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'count': len(scores),
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'sum': sum(scores),
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'mean': sum(scores) / len(scores),
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'time': int(time.time())
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}
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with open(os.path.join(config['model_path'], 'logs', "eval.log"), 'a+') as f:
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f.write("{time};{method};{trained_eps};{count};{sum};{mean}".format(**format_vars) + "\n")
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# Parse command line arguments
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parser = argparse.ArgumentParser(description="Backgammon games")
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parser.add_argument('--episodes', action='store', dest='episode_count',
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type=int, default=1000,
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help='number of episodes to train')
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parser.add_argument('--model-path', action='store', dest='model_path',
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default='./model',
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help='path to Tensorflow model')
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parser.add_argument('--eval-methods', action='store',
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default=['random'], nargs='*',
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help='specifies evaluation methods')
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parser.add_argument('--eval', action='store_true',
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help='whether to evaluate the neural network with a random choice bot')
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parser.add_argument('--train', action='store_true',
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help='whether to train the neural network')
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parser.add_argument('--eval-after-train', action='store_true', dest='eval_after_train',
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help='whether to evaluate after each training session')
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parser.add_argument('--play', action='store_true',
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help='whether to play with the neural network')
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parser.add_argument('--start-episode', action='store', dest='start_episode',
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type=int, default=0,
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help='episode count to start at; purely for display purposes')
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args = parser.parse_args()
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config = {
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'model_path': args.model_path,
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'episode_count': args.episode_count,
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'eval_methods': args.eval_methods,
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'train': args.train,
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'play': args.play,
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'eval': args.eval,
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'eval_after_train': args.eval_after_train,
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'start_episode': args.start_episode
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}
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# Make sure directories exist
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model_path = os.path.join(config['model_path'])
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log_path = os.path.join(model_path, 'logs')
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if not os.path.isdir(model_path):
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os.mkdir(model_path)
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if not os.path.isdir(log_path):
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os.mkdir(log_path)
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# Set up game
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import game
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g = game.Game(config = config)
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g.set_up_bots()
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# Set up variables
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episode_count = config['episode_count']
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# Do actions specified by command-line
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if args.train:
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eps = config['start_episode']
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while True:
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train_outcome = g.train_model(episodes = episode_count, trained_eps = eps)
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eps += episode_count
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log_train_outcome(train_outcome, trained_eps = eps)
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if config['eval_after_train']:
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eval_outcomes = g.eval(trained_eps = eps)
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log_eval_outcomes(eval_outcomes, trained_eps = eps)
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elif args.eval:
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eps = config['start_episode']
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outcomes = g.eval()
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log_eval_outcomes(outcomes, trained_eps = eps)
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#elif args.play:
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# g.play(episodes = episode_count)
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