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