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                 if s[0] == "fifo":
  64                         if len(s) > 1:
  65                                 return FifoPlayer(s[1], colour)
  66                         else:
  67                                 return FifoPlayer(str(os.getpid())+"."+colour, colour)
  68
  69         else:
  70                 return ExternalAgent(name, colour)
  71
  72
  73
  74 # The main function! It does the main stuff!
  75 def main(argv):
  76
  77         # Apparently python will silently treat things as local unless you do this
  78         # Anyone who says "You should never use a global variable" can die in a fire
  79         global game
  80         global graphics
  81
  82         global turn_delay
  83         global agent_timeout
  84         global log_files
  85         global src_file
  86         global graphics_enabled
  87         global always_reveal_states
  88         global sleep_timeout
  89
  90
  91         retry_illegal = False
  92         server_addr = None
  93
  94         max_moves = None
  95         src_file = None
  96
  97         style = "quantum"
  98         colour = "white"
  99
 100         # Get the important warnings out of the way
 101         if platform.system() == "Windows":
 102                 sys.stderr.write(sys.argv[0] + " : Warning - You are using " + platform.system() + "\n")
 103                 if platform.release() == "Vista":
 104                         sys.stderr.write(sys.argv[0] + " : God help you.\n")
 105
 106
 107         players = []
 108         i = 0
 109         while i < len(argv)-1:
 110                 i += 1
 111                 arg = argv[i]
 112                 if arg[0] != '-':
 113                         p = make_player(arg, colour)
 114                         if not isinstance(p, Player):
 115                                 sys.stderr.write(sys.argv[0] + " : Fatal error creating " + colour + " player\n")
 116                                 return 100
 117                         players.append(p)
 118                         if colour == "white":
 119                                 colour = "black"
 120                         elif colour == "black":
 121                                 pass
 122                         else:
 123                                 sys.stderr.write(sys.argv[0] + " : Too many players (max 2)\n")
 124                         continue
 125
 126                 # Option parsing goes here
 127                 if arg[1] == '-' and arg[2:] == "classical":
 128                         style = "classical"
 129                 elif arg[1] == '-' and arg[2:] == "quantum":
 130                         style = "quantum"
 131                 elif arg[1] == '-' and arg[2:] == "reveal":
 132                         always_reveal_states = True
 133                 elif (arg[1] == '-' and arg[2:] == "graphics"):
 134                         graphics_enabled = True
 135                 elif (arg[1] == '-' and arg[2:] == "no-graphics"):
 136                         graphics_enabled = False
 137                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "file"):
 138                         # Load game from file
 139                         if len(arg[2:].split("=")) == 1:
 140                                 src_file = sys.stdin
 141                         else:
 142                                 f = arg[2:].split("=")[1]
 143                                 if f[0:7] == "http://":
 144                                         src_file = HttpReplay(f)
 145                                 else:
 146                                         src_file = FileReplay(f.split(":")[0])
 147
 148                                         if len(f.split(":")) == 2:
 149                                                 max_moves = int(f.split(":")[1])
 150
 151                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "server"):
 152                         #debug("Server: " + str(arg[2:]))
 153                         if len(arg[2:].split("=")) <= 1:
 154                                 server_addr = True
 155                         else:
 156                                 server_addr = arg[2:].split("=")[1]
 157
 158                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "log"):
 159                         # Log file
 160                         if len(arg[2:].split("=")) == 1:
 161                                 log_files.append(LogFile(sys.stdout,""))
 162                         else:
 163                                 f = arg[2:].split("=")[1]
 164                                 if f == "":
 165                                         log_files.append(LogFile(sys.stdout, ""))
 166                                 elif f[0] == '@':
 167                                         log_files.append(ShortLog(f[1:]))
 168                                 else:
 169                                         log_files.append(LogFile(open(f, "w", 0), f))
 170                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "delay"):
 171                         # Delay
 172                         if len(arg[2:].split("=")) == 1:
 173                                 turn_delay = 0
 174                         else:
 175                                 turn_delay = float(arg[2:].split("=")[1])
 176
 177                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "timeout"):
 178                         # Timeout
 179                         if len(arg[2:].split("=")) == 1:
 180                                 agent_timeout = -1
 181                         else:
 182                                 agent_timeout = float(arg[2:].split("=")[1])
 183                 elif (arg[1] == '-' and arg[2:].split("=")[0] == "blackout"):
 184                         # Screen saver delay
 185                         if len(arg[2:].split("=")) == 1:
 186                                 sleep_timeout = -1
 187                         else:
 188                                 sleep_timeout = float(arg[2:].split("=")[1])
 189                 elif (arg[1] == '-' and arg[2:] == "retry-illegal"):
 190                         retry_illegal = not retry_illegal
 191                 elif (arg[1] == '-' and arg[2:] == "help"):
 192                         # Help
 193                         os.system("less data/help.txt") # The best help function
 194                         return 0
 195
 196         # Dedicated server?
 197
 198         #debug("server_addr = " + str(server_addr))
 199
 200         if server_addr != None:
 201                 if server_addr == True:
 202                         return dedicated_server()
 203                 else:
 204                         if len(players) > 1:
 205                                 sys.stderr.write("Only a single player may be provided when --server is used\n")
 206                                 return 1
 207                         if len(players) == 1:
 208                                 return client(server_addr, players[0].name)
 209                         else:
 210                                 return client(server_addr)
 211
 212
 213         # Create the board
 214
 215         # Construct a GameThread! Make it global! Damn the consequences!
 216
 217         if src_file != None:
 218                 # Hack to stop ReplayThread from exiting
 219                 #if len(players) == 0:
 220                 #       players = [HumanPlayer("dummy", "white"), HumanPlayer("dummy", "black")]
 221
 222                 # Normally the ReplayThread exits if there are no players
 223                 # TODO: Decide which behaviour to use, and fix it
 224                 end = (len(players) == 0)
 225                 if end:
 226                         players = [Player("dummy", "white"), Player("dummy", "black")]
 227                 elif len(players) != 2:
 228                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
 229                         if graphics_enabled:
 230                                 sys.stderr.write(sys.argv[0] + " : (You won't get a GUI, because --file was used, and the author is lazy)\n")
 231                         return 44
 232                 game = ReplayThread(players, src_file, end=end, max_moves=max_moves)
 233         else:
 234                 board = Board(style)
 235                 board.max_moves = max_moves
 236                 game = GameThread(board, players)
 237                 game.retry_illegal = retry_illegal
 238
 239
 240
 241
 242         # Initialise GUI
 243         if graphics_enabled == True:
 244                 try:
 245                         graphics = GraphicsThread(game.board, grid_sz = [64,64]) # Construct a GraphicsThread!
 246
 247                         graphics.sleep_timeout = sleep_timeout
 248
 249                 except Exception,e:
 250                         graphics = None
 251                         sys.stderr.write(sys.argv[0] + " : Got exception trying to initialise graphics\n"+str(e.message)+"\nDisabled graphics\n")
 252                         graphics_enabled = False
 253
 254         # If there are no players listed, display a nice pretty menu
 255         if len(players) != 2:
 256                 if graphics != None:
 257
 258                         server_addr = graphics.SelectServer()
 259                         if server_addr != None:
 260                                 pygame.quit() # Time to say goodbye
 261                                 if server_addr == True:
 262                                         return dedicated_server()
 263                                 else:
 264                                         return client(server_addr)
 265
 266                         players = graphics.SelectPlayers(players)
 267                 else:
 268                         sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
 269                         return 44
 270
 271         # If there are still no players, quit
 272         if players == None or len(players) != 2:
 273                 sys.stderr.write(sys.argv[0] + " : Graphics window closed before players chosen\n")
 274                 return 45
 275
 276         old = players[:]
 277         for p in old:
 278                 if isinstance(p, NetworkPlayer):
 279                         for i in range(len(old)):
 280                                 if old[i] == p or isinstance(old[i], NetworkPlayer):
 281                                         continue
 282                                 players[i] = NetworkPlayer(old[i].colour, p.network, old[i])
 283
 284         for p in players:
 285                 #debug(str(p))
 286                 if isinstance(p, NetworkPlayer):
 287                         p.board = game.board
 288                         if not p.network.connected:
 289                                 if not p.network.server:
 290                                         time.sleep(0.2)
 291                                 p.network.connect()
 292
 293
 294         # If using windows, select won't work; use horrible TimeoutPlayer hack
 295         if agent_timeout > 0:
 296                 if platform.system() == "Windows":
 297                         for i in range(len(players)):
 298                                 if isinstance(players[i], ExternalAgent) or isinstance(players[i], InternalAgent):
 299                                         players[i] = TimeoutPlayer(players[i], agent_timeout)
 300
 301                 else:
 302                         warned = False
 303                         # InternalAgents get wrapped to an ExternalAgent when there is a timeout
 304                         # This is not confusing at all.
 305                         for i in range(len(players)):
 306                                 if isinstance(players[i], InternalAgent):
 307                                                 players[i] = ExternalWrapper(players[i])
 308
 309
 310
 311
 312
 313
 314
 315         log_init(game.board, players)
 316
 317
 318         if graphics != None:
 319                 game.start() # This runs in a new thread
 320                 graphics.run()
 321                 if game.is_alive():
 322                         game.join()
 323
 324
 325                 error = game.error + graphics.error
 326         else:
 327                 game.run()
 328                 error = game.error
 329
 330
 331         for l in log_files:
 332                 l.close()
 333
 334         if src_file != None and src_file != sys.stdin:
 335                 src_file.close()
 336
 337         sys.stdout.write(game.final_result + "\n")
 338
 339         return error
 340
 341
 342
 343
 344
 345
 346
 347
 348 # This is how python does a main() function...
 349 if __name__ == "__main__":
 350         retcode = 0
 351         try:
 352                 retcode = main(sys.argv)
 353         except KeyboardInterrupt:
 354                 sys.stderr.write(sys.argv[0] + " : Got KeyboardInterrupt. Stopping everything\n")
 355                 if isinstance(graphics, StoppableThread):
 356                         graphics.stop()
 357                         graphics.run() # Will clean up graphics because it is stopped, not run it (a bit dodgy)
 358
 359                 if isinstance(game, StoppableThread):
 360                         game.stop()
 361                         if game.is_alive():
 362                                 game.join()
 363                 retcode = 102
 364         #except Exception, e:
 365         #       sys.stderr.write(sys.argv[0] + " : " + e.message + "\n")
 366         #       retcode = 103
 367
 368         try:
 369                 sys.stdout.close()
 370         except:
 371                 pass
 372         try:
 373                 sys.stderr.close()
 374         except:
 375                 pass
 376         sys.exit(retcode)
 377
 378