text: #!/usr/bin/env python
  from __future__ import print_function
  # encoding: utf-8
  
  # Before running this program, first Start HFO server:
  # $> ./bin/HFO --offense-agents 1
  
  from __future__ import print_function
  
  import argparse
  import itertools
  import random
  try:
    import hfo
  except ImportError:
    print('Failed to import hfo. To install hfo, in the HFO directory'\
      ' run: \"pip install .\"')
    exit()
  
  def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('--port', type=int, default=6000,
                        help="Server port")
    parser.add_argument('--seed', type=int, default=None,
                        help="Python randomization seed; uses python default if 0 or not given")
    parser.add_argument('--record', action='store_true',
                        help="If doing HFO --record")
    parser.add_argument('--rdir', type=str, default='log/',
                        help="Set directory to use if doing --record")
    args=parser.parse_args()
    if args.seed:
      random.seed(args.seed)
    # Create the HFO Environment
    hfo_env = hfo.HFOEnvironment()
    # Connect to the server with the specified
    # feature set. See feature sets in hfo.py/hfo.hpp.
    if args.record:
      hfo_env.connectToServer(hfo.HIGH_LEVEL_FEATURE_SET,
                              'bin/teams/base/config/formations-dt', args.port,
                              'localhost', 'base_left', False,
                              record_dir=args.rdir)
    else:
      hfo_env.connectToServer(hfo.HIGH_LEVEL_FEATURE_SET,
                              'bin/teams/base/config/formations-dt', args.port,
                              'localhost', 'base_left', False)
  
    if args.seed:
      print("Python randomization seed: {0:d}".format(args.seed))
  
    for episode in itertools.count():
      status = hfo.IN_GAME
      while status == hfo.IN_GAME:
        # Get the vector of state features for the current state
        state = hfo_env.getState()
        # Perform the action
        if state[5] == 1: # State[5] is 1 when the player can kick the ball
          if random.random() < 0.5: # more efficient than random.choice for 2
            hfo_env.act(hfo.SHOOT)
          else:
            hfo_env.act(hfo.DRIBBLE)
        else:
          hfo_env.act(hfo.MOVE)
        # Advance the environment and get the game status
        status = hfo_env.step()
  
      # Check the outcome of the episode
  
      end_status = hfo_env.statusToString(status)
      print("Episode {0:n} ended with {1:s}".format(episode, end_status))
  
      # Quit if the server goes down
      if status == hfo.SERVER_DOWN:
        hfo_env.act(hfo.QUIT)
        exit()
  
  if __name__ == '__main__':
    main()
  