qchess/src/main.py

   1 #!/usr/bin/python -u
   2
   3 # Do you know what the -u does? It unbuffers stdin and stdout
   4 # I can't remember why, but last year things broke without that
   5
   6 """
   7         UCC::Progcomp 2013 Quantum Chess game
   8         @author Sam Moore [SZM] "matches"
   9         @copyright The University Computer Club, Incorporated
  10                 (ie: You can copy it for not for profit purposes)
  11 """
  12
  13 # system python modules or whatever they are called
  14 import sys
  15 import os
  16 import time
  17
  18 turn_delay = 0.5
  19 sleep_timeout = None
  20 [game, graphics] = [None, None]
  21
  22 def make_player(name, colour):
  23         if name[0] == '@':
  24                 if name[1:] == "human":
  25                         return HumanPlayer(name, colour)
  26                 s = name[1:].split(":")
  27                 if s[0] == "network":
  28                         ip = None
  29                         port = 4562
  30                         #print str(s)
  31                         if len(s) > 1:
  32                                 if s[1] != "":
  33                                         ip = s[1]
  34                         if len(s) > 2:
  35                                 port = int(s[2])
  36
  37                         if ip == None:
  38                                 if colour == "black":
  39                                         port += 1
  40                         elif colour == "white":
  41                                 port += 1
  42
  43                         return NetworkPlayer(colour, Network((ip, port)), None)
  44                 if s[0] == "internal":
  45
  46                         import inspect
  47                         internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
  48                         internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
  49                         internal_agents.remove(('InternalAgent', InternalAgent))
  50
  51                         if len(s) != 2:
  52                                 sys.stderr.write(sys.argv[0] + " : '@internal' should be followed by ':' and an agent name\n")
  53                                 sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
  54                                 return None
  55
  56                         for a in internal_agents:
  57                                 if s[1] == a[0]:
  58                                         return a[1](name, colour)
  59
  60                         sys.stderr.write(sys.argv[0] + " : Can't find an internal agent matching \"" + s[1] + "\"\n")
  61                         sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
  62                         return None
  63
  64
  65         else:
  66                 return ExternalAgent(name, colour)
  67
  68
  69
  70 # The main function! It does the main stuff!
  71 def main(argv):
  72
  73         # Apparently python will silently treat things as local unless you do this
  74         # Anyone who says "You should never use a global variable" can die in a fire
  75         global game
  76         global graphics
  77
  78         global turn_delay
  79         global agent_timeout
  80         global log_files
  81         global src_file
  82         global graphics_enabled
  83         global always_reveal_states
  84         global sleep_timeout
  85
  86         max_moves = None
  87         src_file = None
  88
  89         style = "quantum"
  90         colour = "white"
  91
  92         # Get the important warnings out of the way
  93         if platform.system() == "Windows":
  94                 sys.stderr.write(sys.argv[0] + " : Warning - You are using " + platform.system() + "\n")
  95                 if platform.release() == "Vista":
  96                         sys.stderr.write(sys.argv[0] + " : God help you.\n")
  97
  98
  99         players = []
 100         i = 0
 101         while i < len(argv)-1:
 102                 i += 1
 103                 arg = argv[i]
 104                 if arg[0] != '-':
 105                         p = make_player(arg, colour)
 106                         if not isinstance(p, Player):
 107                                 sys.stderr.write(sys.argv[0] + " : Fatal error creating " + colour + " player\n")
 108                                 return 100
 109                         players.append(p)
 110                         if colour == "white":
 111                                 colour = "black"
 112                         elif colour == "black":
 113                                 pass
 114                         else:
 115                                 sys.stderr.write(sys.argv[0] + " : Too many players (max 2)\n")
 116                         continue
 117
 118                 # Option parsing goes here
 119                 if arg[1] == '-' and arg[2:] == "classical":
 120                         style = "classical"
 121                 elif arg[1] == '-' and arg[2:] == "quantum":
 122                         style = "quantum"
 123                 elif arg[1] == '-' and arg[2:] == "reveal":
 124                         always_reveal_states = True
 125                 elif (arg[1] == '-' and arg[2:] == "graphics"):
 126                         graphics_enabled = True
 127                 elif (arg[1] == '-' and arg[2:] == "no-graphics"):
 128                         graphics_enabled = False
 129                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "file"):
 130                         # Load game from file
 131                         if len(arg[2:].split("=")) == 1:
 132                                 src_file = sys.stdin
 133                         else:
 134                                 f = arg[2:].split("=")[1]
 135                                 if f[0:7] == "http://":
 136                                         src_file = HttpReplay(f)
 137                                 else:
 138                                         src_file = FileReplay(f.split(":")[0])
 139
 140                                         if len(f.split(":")) == 2:
 141                                                 max_moves = int(f.split(":")[1])
 142
 143                 elif (arg[1] == '-' and arg[2:] == "server"):
 144                         if len(arg[2:].split("=") <= 1):
 145                                 dedicated_server()
 146                         else:
 147                                 client(arg[2:].split("=")[1])
 148                         sys.exit(0)
 149                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "log"):
 150                         # Log file
 151                         if len(arg[2:].split("=")) == 1:
 152                                 log_files.append(LogFile(sys.stdout))
 153                         else:
 154                                 f = arg[2:].split("=")[1]
 155                                 if f[0] == '@':
 156                                         log_files.append(ShortLog(f[1:]))
 157                                 else:
 158                                         log_files.append(LogFile(open(f, "w", 0)))
 159                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "delay"):
 160                         # Delay
 161                         if len(arg[2:].split("=")) == 1:
 162                                 turn_delay = 0
 163                         else:
 164                                 turn_delay = float(arg[2:].split("=")[1])
 165
 166                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "timeout"):
 167                         # Timeout
 168                         if len(arg[2:].split("=")) == 1:
 169                                 agent_timeout = -1
 170                         else:
 171                                 agent_timeout = float(arg[2:].split("=")[1])
 172                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "blackout"):
 173                         # Screen saver delay
 174                         if len(arg[2:].split("=")) == 1:
 175                                 sleep_timeout = -1
 176                         else:
 177                                 sleep_timeout = float(arg[2:].split("=")[1])
 178
 179                 elif (arg[1] == '-' and arg[2:] == "help"):
 180                         # Help
 181                         os.system("less data/help.txt") # The best help function
 182                         return 0
 183
 184
 185         # Create the board
 186
 187         # Construct a GameThread! Make it global! Damn the consequences!
 188
 189         if src_file != None:
 190                 # Hack to stop ReplayThread from exiting
 191                 #if len(players) == 0:
 192                 #       players = [HumanPlayer("dummy", "white"), HumanPlayer("dummy", "black")]
 193
 194                 # Normally the ReplayThread exits if there are no players
 195                 # TODO: Decide which behaviour to use, and fix it
 196                 end = (len(players) == 0)
 197                 if end:
 198                         players = [Player("dummy", "white"), Player("dummy", "black")]
 199                 elif len(players) != 2:
 200                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
 201                         if graphics_enabled:
 202                                 sys.stderr.write(sys.argv[0] + " : (You won't get a GUI, because --file was used, and the author is lazy)\n")
 203                         return 44
 204                 game = ReplayThread(players, src_file, end=end, max_moves=max_moves)
 205         else:
 206                 board = Board(style)
 207                 board.max_moves = max_moves
 208                 game = GameThread(board, players)
 209
 210
 211
 212
 213         # Initialise GUI
 214         if graphics_enabled == True:
 215                 try:
 216                         graphics = GraphicsThread(game.board, grid_sz = [64,64]) # Construct a GraphicsThread!
 217
 218                         graphics.sleep_timeout = sleep_timeout
 219
 220                 except Exception,e:
 221                         graphics = None
 222                         sys.stderr.write(sys.argv[0] + " : Got exception trying to initialise graphics\n"+str(e.message)+"\nDisabled graphics\n")
 223                         graphics_enabled = False
 224
 225         # If there are no players listed, display a nice pretty menu
 226         if len(players) != 2:
 227                 if graphics != None:
 228                         players = graphics.SelectPlayers(players)
 229                 else:
 230                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
 231                         return 44
 232
 233         # If there are still no players, quit
 234         if players == None or len(players) != 2:
 235                 sys.stderr.write(sys.argv[0] + " : Graphics window closed before players chosen\n")
 236                 return 45
 237
 238         old = players[:]
 239         for p in old:
 240                 if isinstance(p, NetworkPlayer):
 241                         for i in range(len(old)):
 242                                 if old[i] == p or isinstance(old[i], NetworkPlayer):
 243                                         continue
 244                                 players[i] = NetworkPlayer(old[i].colour, p.network, old[i])
 245
 246         for p in players:
 247                 debug(str(p))
 248                 if isinstance(p, NetworkPlayer):
 249                         p.board = game.board
 250                         if not p.network.connected:
 251                                 if not p.network.server:
 252                                         time.sleep(0.2)
 253                                 p.network.connect()
 254
 255
 256         # If using windows, select won't work; use horrible TimeoutPlayer hack
 257         if agent_timeout > 0:
 258                 if platform.system() == "Windows":
 259                         for i in range(len(players)):
 260                                 if isinstance(players[i], ExternalAgent) or isinstance(players[i], InternalAgent):
 261                                         players[i] = TimeoutPlayer(players[i], agent_timeout)
 262
 263                 else:
 264                         warned = False
 265                         # InternalAgents get wrapped to an ExternalAgent when there is a timeout
 266                         # This is not confusing at all.
 267                         for i in range(len(players)):
 268                                 if isinstance(players[i], InternalAgent):
 269                                                 players[i] = ExternalWrapper(players[i])
 270
 271
 272
 273
 274
 275
 276
 277         log_init(game.board, players)
 278
 279
 280         if graphics != None:
 281                 game.start() # This runs in a new thread
 282                 graphics.run()
 283                 if game.is_alive():
 284                         game.join()
 285
 286
 287                 error = game.error + graphics.error
 288         else:
 289                 game.run()
 290                 error = game.error
 291
 292
 293         for l in log_files:
 294                 l.close()
 295
 296         if src_file != None and src_file != sys.stdin:
 297                 src_file.close()
 298
 299         sys.stdout.write(game.final_result + "\n")
 300
 301         return error
 302
 303
 304
 305
 306
 307
 308
 309
 310 # This is how python does a main() function...
 311 if __name__ == "__main__":
 312         try:
 313                 sys.exit(main(sys.argv))
 314         except KeyboardInterrupt:
 315                 sys.stderr.write(sys.argv[0] + " : Got KeyboardInterrupt. Stopping everything\n")
 316                 if isinstance(graphics, StoppableThread):
 317                         graphics.stop()
 318                         graphics.run() # Will clean up graphics because it is stopped, not run it (a bit dodgy)
 319
 320                 if isinstance(game, StoppableThread):
 321                         game.stop()
 322                         if game.is_alive():
 323                                 game.join()
 324
 325                 sys.exit(102)
 326