qchess/qchess.py

   1 #!/usr/bin/python -u
   2 # +++ piece.py +++ #
   3 import random
   4
   5 # I know using non-abreviated strings is inefficient, but this is python, who cares?
   6 # Oh, yeah, this stores the number of pieces of each type in a normal chess game
   7 piece_types = {"pawn" : 8, "bishop" : 2, "knight" : 2, "rook" : 2, "queen" : 1, "king" : 1, "unknown" : 0}
   8
   9 # Class to represent a quantum chess piece
  10 class Piece():
  11         def __init__(self, colour, x, y, types):
  12                 self.colour = colour # Colour (string) either "white" or "black"
  13                 self.x = x # x coordinate (0 - 8), none of this fancy 'a', 'b' shit here
  14                 self.y = y # y coordinate (0 - 8)
  15                 self.types = types # List of possible types the piece can be (should just be two)
  16                 self.current_type = "unknown" # Current type
  17                 self.choice = -1 # Index of the current type in self.types (-1 = unknown type)
  18                 self.types_revealed = [True, False] # Whether the types are known (by default the first type is always known at game start)
  19
  20
  21                 #
  22                 self.last_state = None
  23                 self.move_pattern = None
  24
  25
  26
  27         def init_from_copy(self, c):
  28                 self.colour = c.colour
  29                 self.x = c.x
  30                 self.y = c.y
  31                 self.types = c.types[:]
  32                 self.current_type = c.current_type
  33                 self.choice = c.choice
  34                 self.types_revealed = c.types_revealed[:]
  35
  36                 self.last_state = None
  37                 self.move_pattern = None
  38
  39
  40
  41         # Make a string for the piece (used for debug)
  42         def __str__(self):
  43                 return str(self.current_type) + " " + str(self.types) + " at " + str(self.x) + ","+str(self.y)
  44
  45         # Draw the piece in a pygame surface
  46         def draw(self, window, grid_sz = [80,80]):
  47
  48                 # First draw the image corresponding to self.current_type
  49                 img = images[self.colour][self.current_type]
  50                 rect = img.get_rect()
  51                 offset = [-rect.width/2,-3*rect.height/4]
  52                 window.blit(img, (self.x * grid_sz[0] + grid_sz[0]/2 + offset[0], self.y * grid_sz[1] + grid_sz[1]/2 + offset[1]))
  53
  54
  55                 # Draw the two possible types underneath the current_type image
  56                 for i in range(len(self.types)):
  57                         if self.types_revealed[i] == True:
  58                                 img = small_images[self.colour][self.types[i]]
  59                         else:
  60                                 img = small_images[self.colour]["unknown"] # If the type hasn't been revealed, show a placeholder
  61
  62
  63                         rect = img.get_rect()
  64                         offset = [-rect.width/2,-rect.height/2]
  65
  66                         if i == 0:
  67                                 target = (self.x * grid_sz[0] + grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])
  68                         else:
  69                                 target = (self.x * grid_sz[0] + 4*grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])
  70
  71                         window.blit(img, target) # Blit shit
  72
  73         # Collapses the wave function!
  74         def select(self):
  75                 if self.current_type == "unknown":
  76                         self.choice = random.randint(0,1)
  77                         self.current_type = self.types[self.choice]
  78                         self.types_revealed[self.choice] = True
  79                 return self.choice
  80
  81         # Uncollapses (?) the wave function!
  82         def deselect(self):
  83                 #print "Deselect called"
  84                 if (self.x + self.y) % 2 != 0:
  85                         if (self.types[0] != self.types[1]) or (self.types_revealed[0] == False or self.types_revealed[1] == False):
  86                                 self.current_type = "unknown"
  87                                 self.choice = -1
  88                         else:
  89                                 self.choice = 0 # Both the two types are the same
  90
  91         # The sad moment when you realise that you do not understand anything about a subject you studied for 4 years...
  92 # --- piece.py --- #
  93 # +++ board.py +++ #
  94 [w,h] = [8,8] # Width and height of board(s)
  95
  96 # Class to represent a quantum chess board
  97 class Board():
  98         # Initialise; if master=True then the secondary piece types are assigned
  99         #       Otherwise, they are left as unknown
 100         #       So you can use this class in Agent programs, and fill in the types as they are revealed
 101         def __init__(self, style="agent"):
 102                 self.style = style
 103                 self.pieces = {"white" : [], "black" : []}
 104                 self.grid = [[None] * w for _ in range(h)] # 2D List (you can get arrays in python, somehow, but they scare me)
 105                 self.unrevealed_types = {"white" : piece_types.copy(), "black" : piece_types.copy()}
 106                 self.king = {"white" : None, "black" : None} # We need to keep track of the king, because he is important
 107                 for c in ["black", "white"]:
 108                         del self.unrevealed_types[c]["unknown"]
 109
 110                 # Add all the pieces with known primary types
 111                 for i in range(0, 2):
 112
 113                         s = ["black", "white"][i]
 114                         c = self.pieces[s]
 115                         y = [0, h-1][i]
 116
 117                         c.append(Piece(s, 0, y, ["rook"]))
 118                         c.append(Piece(s, 1, y, ["knight"]))
 119                         c.append(Piece(s, 2, y, ["bishop"]))
 120                         k = Piece(s, 3, y, ["king", "king"]) # There can only be one ruler!
 121                         k.types_revealed[1] = True
 122                         k.current_type = "king"
 123                         self.king[s] = k
 124                         c.append(k)
 125                         c.append(Piece(s, 4, y, ["queen"])) # Apparently he may have multiple wives though.
 126                         c.append(Piece(s, 5, y, ["bishop"]))
 127                         c.append(Piece(s, 6, y, ["knight"]))
 128                         c.append(Piece(s, 7, y, ["rook"]))
 129
 130                         if y == 0:
 131                                 y += 1
 132                         else:
 133                                 y -= 1
 134
 135                         # Lots of pawn
 136                         for x in range(0, w):
 137                                 c.append(Piece(s, x, y, ["pawn"]))
 138
 139                         types_left = {}
 140                         types_left.update(piece_types)
 141                         del types_left["king"] # We don't want one of these randomly appearing (although it might make things interesting...)
 142                         del types_left["unknown"] # We certainly don't want these!
 143                         for piece in c:
 144                                 # Add to grid
 145                                 self.grid[piece.x][piece.y] = piece
 146
 147                                 if len(piece.types) > 1:
 148                                         continue
 149                                 if style == "agent": # Assign placeholder "unknown" secondary type
 150                                         piece.types.append("unknown")
 151                                         continue
 152
 153                                 elif style == "quantum":
 154                                         # The master allocates the secondary types
 155                                         choice = types_left.keys()[random.randint(0, len(types_left.keys())-1)]
 156                                         types_left[choice] -= 1
 157                                         if types_left[choice] <= 0:
 158                                                 del types_left[choice]
 159                                         piece.types.append(choice)
 160                                 elif style == "classical":
 161                                         piece.types.append(piece.types[0])
 162                                         piece.current_type = piece.types[0]
 163                                         piece.types_revealed[1] = True
 164                                         piece.choice = 0
 165
 166         def clone(self):
 167                 newboard = Board(master = False)
 168                 newpieces = newboard.pieces["white"] + newboard.pieces["black"]
 169                 mypieces = self.pieces["white"] + self.pieces["black"]
 170
 171                 for i in range(len(mypieces)):
 172                         newpieces[i].init_from_copy(mypieces[i])
 173
 174
 175         def display_grid(self, window = None, grid_sz = [80,80]):
 176                 if window == None:
 177                         return # I was considering implementing a text only display, then I thought "Fuck that"
 178
 179                 # The indentation is getting seriously out of hand...
 180                 for x in range(0, w):
 181                         for y in range(0, h):
 182                                 if (x + y) % 2 == 0:
 183                                         c = pygame.Color(200,200,200)
 184                                 else:
 185                                         c = pygame.Color(64,64,64)
 186                                 pygame.draw.rect(window, c, (x*grid_sz[0], y*grid_sz[1], (x+1)*grid_sz[0], (y+1)*grid_sz[1]))
 187
 188         def display_pieces(self, window = None, grid_sz = [80,80]):
 189                 if window == None:
 190                         return
 191                 for p in self.pieces["white"] + self.pieces["black"]:
 192                         p.draw(window, grid_sz)
 193
 194         # Draw the board in a pygame window
 195         def display(self, window = None):
 196                 self.display_grid(window)
 197                 self.display_pieces(window)
 198
 199
 200
 201
 202         def verify(self):
 203                 for x in range(w):
 204                         for y in range(h):
 205                                 if self.grid[x][y] == None:
 206                                         continue
 207                                 if (self.grid[x][y].x != x or self.grid[x][y].y != y):
 208                                         raise Exception(sys.argv[0] + ": MISMATCH " + str(self.grid[x][y]) + " should be at " + str(x) + "," + str(y))
 209
 210         # Select a piece on the board (colour is the colour of whoever is doing the selecting)
 211         def select(self, x,y, colour=None):
 212                 if not self.on_board(x, y): # Get on board everyone!
 213                         raise Exception("BOUNDS")
 214
 215                 piece = self.grid[x][y]
 216                 if piece == None:
 217                         raise Exception("EMPTY")
 218
 219                 if colour != None and piece.colour != colour:
 220                         raise Exception("COLOUR " + str(piece.colour) + " not " + str(colour))
 221
 222                 # I'm not quite sure why I made this return a string, but screw logical design
 223                 return str(x) + " " + str(y) + " " + str(piece.select()) + " " + str(piece.current_type)
 224
 225
 226         # Update the board when a piece has been selected
 227         # "type" is apparently reserved, so I'll use "state"
 228         def update_select(self, x, y, type_index, state):
 229                 piece = self.grid[x][y]
 230                 if piece.types[type_index] == "unknown":
 231                         if not state in self.unrevealed_types[piece.colour].keys():
 232                                 raise Exception("SANITY: Too many " + piece.colour + " " + state + "s")
 233                         self.unrevealed_types[piece.colour][state] -= 1
 234                         if self.unrevealed_types[piece.colour][state] <= 0:
 235                                 del self.unrevealed_types[piece.colour][state]
 236
 237                 piece.types[type_index] = state
 238                 piece.types_revealed[type_index] = True
 239                 piece.current_type = state
 240
 241                 if len(self.possible_moves(piece)) <= 0:
 242                         piece.deselect() # Piece can't move; deselect it
 243
 244         # Update the board when a piece has been moved
 245         def update_move(self, x, y, x2, y2):
 246                 piece = self.grid[x][y]
 247                 self.grid[x][y] = None
 248                 taken = self.grid[x2][y2]
 249                 if taken != None:
 250                         if taken.current_type == "king":
 251                                 self.king[taken.colour] = None
 252                         self.pieces[taken.colour].remove(taken)
 253                 self.grid[x2][y2] = piece
 254                 piece.x = x2
 255                 piece.y = y2
 256
 257                 # If the piece is a pawn, and it reaches the final row, it becomes a queen
 258                 # I know you are supposed to get a choice
 259                 # But that would be effort
 260                 if piece.current_type == "pawn" and ((piece.colour == "white" and piece.y == 0) or (piece.colour == "black" and piece.y == h-1)):
 261                         if self.style == "classical":
 262                                 piece.types[0] = "queen"
 263                                 piece.types[1] = "queen"
 264                         else:
 265                                 piece.types[piece.choice] = "queen"
 266                         piece.current_type = "queen"
 267
 268                 piece.deselect() # Uncollapse (?) the wavefunction!
 269                 self.verify()
 270
 271         # Update the board from a string
 272         # Guesses what to do based on the format of the string
 273         def update(self, result):
 274                 #print "Update called with \"" + str(result) + "\""
 275                 # String always starts with 'x y'
 276                 try:
 277                         s = result.split(" ")
 278                         [x,y] = map(int, s[0:2])
 279                 except:
 280                         raise Exception("GIBBERISH \""+ str(result) + "\"") # Raise expectations
 281
 282                 piece = self.grid[x][y]
 283                 if piece == None:
 284                         raise Exception("EMPTY")
 285
 286                 # If a piece is being moved, the third token is '->'
 287                 # We could get away with just using four integers, but that wouldn't look as cool
 288                 if "->" in s:
 289                         # Last two tokens are the destination
 290                         try:
 291                                 [x2,y2] = map(int, s[3:])
 292                         except:
 293                                 raise Exception("GIBBERISH \"" + str(result) + "\"") # Raise the alarm
 294
 295                         # Move the piece (take opponent if possible)
 296                         self.update_move(x, y, x2, y2)
 297
 298                 else:
 299                         # Otherwise we will just assume a piece has been selected
 300                         try:
 301                                 type_index = int(s[2]) # We need to know which of the two types the piece is in; that's the third token
 302                                 state = s[3] # The last token is a string identifying the type
 303                         except:
 304                                 raise Exception("GIBBERISH \"" + result + "\"") # Throw a hissy fit
 305
 306                         # Select the piece
 307                         self.update_select(x, y, type_index, state)
 308
 309                 return result
 310
 311         # Gets each piece that could reach the given square and the probability that it could reach that square
 312         # Will include allied pieces that defend the attacker
 313         def coverage(self, x, y, colour = None, reject_allied = True):
 314                 result = {}
 315
 316                 if colour == None:
 317                         pieces = self.pieces["white"] + self.pieces["black"]
 318                 else:
 319                         pieces = self.pieces[colour]
 320
 321                 for p in pieces:
 322                         prob = self.probability_grid(p, reject_allied)[x][y]
 323                         if prob > 0:
 324                                 result.update({p : prob})
 325
 326                 self.verify()
 327                 return result
 328
 329
 330
 331
 332
 333         # Associates each square with a probability that the piece could move into it
 334         # Look, I'm doing all the hard work for you here...
 335         def probability_grid(self, p, reject_allied = True):
 336
 337                 result = [[0.0] * w for _ in range(h)]
 338                 if not isinstance(p, Piece):
 339                         return result
 340
 341                 if p.current_type != "unknown":
 342                         #sys.stderr.write(sys.argv[0] + ": " + str(p) + " moves " + str(self.possible_moves(p, reject_allied)) + "\n")
 343                         for point in self.possible_moves(p, reject_allied):
 344                                 result[point[0]][point[1]] = 1.0
 345                         return result
 346
 347
 348                 for i in range(len(p.types)):
 349                         t = p.types[i]
 350                         prob = 0.5
 351                         if t == "unknown" or p.types_revealed[i] == False:
 352                                 total_types = 0
 353                                 for t2 in self.unrevealed_types[p.colour].keys():
 354                                         total_types += self.unrevealed_types[p.colour][t2]
 355
 356                                 for t2 in self.unrevealed_types[p.colour].keys():
 357                                         prob2 = float(self.unrevealed_types[p.colour][t2]) / float(total_types)
 358                                         p.current_type = t2
 359                                         for point in self.possible_moves(p, reject_allied):
 360                                                 result[point[0]][point[1]] += prob2 * prob
 361
 362                         else:
 363                                 p.current_type = t
 364                                 for point in self.possible_moves(p, reject_allied):
 365                                         result[point[0]][point[1]] += prob
 366
 367                 self.verify()
 368                 p.current_type = "unknown"
 369                 return result
 370
 371         def prob_is_type(self, p, state):
 372                 prob = 0.5
 373                 result = 0
 374                 for i in range(len(p.types)):
 375                         t = p.types[i]
 376                         if t == state:
 377                                 result += prob
 378                                 continue
 379                         if t == "unknown" or p.types_revealed[i] == False:
 380                                 total_prob = 0
 381                                 for t2 in self.unrevealed_types[p.colour].keys():
 382                                         total_prob += self.unrevealed_types[p.colour][t2]
 383                                 for t2 in self.unrevealed_types[p.colour].keys():
 384                                         if t2 == state:
 385                                                 result += prob * float(self.unrevealed_types[p.colour][t2]) / float(total_prob)
 386
 387
 388
 389         # Get all squares that the piece could move into
 390         # This is probably inefficient, but I looked at some sample chess games and they seem to actually do things this way
 391         # reject_allied indicates whether squares occupied by allied pieces will be removed
 392         # (set to false to check for defense)
 393         def possible_moves(self, p, reject_allied = True):
 394                 result = []
 395                 if p == None:
 396                         return result
 397
 398
 399                 if p.current_type == "unknown":
 400                         raise Exception("SANITY: Piece state unknown")
 401                         # The below commented out code causes things to break badly
 402                         #for t in p.types:
 403                         #       if t == "unknown":
 404                         #               continue
 405                         #       p.current_type = t
 406                         #       result += self.possible_moves(p)
 407                         #p.current_type = "unknown"
 408                         #return result
 409
 410                 if p.current_type == "king":
 411                         result = [[p.x-1,p.y],[p.x+1,p.y],[p.x,p.y-1],[p.x,p.y+1], [p.x-1,p.y-1],[p.x-1,p.y+1],[p.x+1,p.y-1],[p.x+1,p.y+1]]
 412                 elif p.current_type == "queen":
 413                         for d in [[-1,0],[1,0],[0,-1],[0,1],[-1,-1],[-1,1],[1,-1],[1,1]]:
 414                                 result += self.scan(p.x, p.y, d[0], d[1])
 415                 elif p.current_type == "bishop":
 416                         for d in [[-1,-1],[-1,1],[1,-1],[1,1]]: # There's a reason why bishops move diagonally
 417                                 result += self.scan(p.x, p.y, d[0], d[1])
 418                 elif p.current_type == "rook":
 419                         for d in [[-1,0],[1,0],[0,-1],[0,1]]:
 420                                 result += self.scan(p.x, p.y, d[0], d[1])
 421                 elif p.current_type == "knight":
 422                         # I would use two lines, but I'm not sure how python likes that
 423                         result = [[p.x-2, p.y-1], [p.x-2, p.y+1], [p.x+2, p.y-1], [p.x+2,p.y+1], [p.x-1,p.y-2], [p.x-1, p.y+2],[p.x+1,p.y-2],[p.x+1,p.y+2]]
 424                 elif p.current_type == "pawn":
 425                         if p.colour == "white":
 426
 427                                 # Pawn can't move forward into occupied square
 428                                 if self.on_board(p.x, p.y-1) and self.grid[p.x][p.y-1] == None:
 429                                         result = [[p.x,p.y-1]]
 430                                 for f in [[p.x-1,p.y-1],[p.x+1,p.y-1]]:
 431                                         if not self.on_board(f[0], f[1]):
 432                                                 continue
 433                                         if self.grid[f[0]][f[1]] != None:  # Pawn can take diagonally
 434                                                 result.append(f)
 435                                 if p.y == h-2:
 436                                         # Slightly embarrassing if the pawn jumps over someone on its first move...
 437                                         if self.grid[p.x][p.y-1] == None and self.grid[p.x][p.y-2] == None:
 438                                                 result.append([p.x, p.y-2])
 439                         else:
 440                                 # Vice versa for the black pawn
 441                                 if self.on_board(p.x, p.y+1) and self.grid[p.x][p.y+1] == None:
 442                                         result = [[p.x,p.y+1]]
 443
 444                                 for f in [[p.x-1,p.y+1],[p.x+1,p.y+1]]:
 445                                         if not self.on_board(f[0], f[1]):
 446                                                 continue
 447                                         if self.grid[f[0]][f[1]] != None:
 448                                                 #sys.stderr.write(sys.argv[0] + " : "+str(p) + " can take " + str(self.grid[f[0]][f[1]]) + "\n")
 449                                                 result.append(f)
 450                                 if p.y == 1:
 451                                         if self.grid[p.x][p.y+1] == None and self.grid[p.x][p.y+2] == None:
 452                                                 result.append([p.x, p.y+2])
 453
 454                         #sys.stderr.write(sys.argv[0] + " : possible_moves for " + str(p) + " " + str(result) + "\n")
 455
 456                 # Remove illegal moves
 457                 # Note: The result[:] creates a copy of result, so that the result.remove calls don't fuck things up
 458                 for point in result[:]:
 459
 460                         if (point[0] < 0 or point[0] >= w) or (point[1] < 0 or point[1] >= h):
 461                                 result.remove(point) # Remove locations outside the board
 462                                 continue
 463                         g = self.grid[point[0]][point[1]]
 464
 465                         if g != None and (g.colour == p.colour and reject_allied == True):
 466                                 result.remove(point) # Remove allied pieces
 467
 468                 self.verify()
 469                 return result
 470
 471
 472         # Scans in a direction until it hits a piece, returns all squares in the line
 473         # (includes the final square (which contains a piece), but not the original square)
 474         def scan(self, x, y, vx, vy):
 475                 p = []
 476
 477                 xx = x
 478                 yy = y
 479                 while True:
 480                         xx += vx
 481                         yy += vy
 482                         if not self.on_board(xx, yy):
 483                                 break
 484                         if not [xx,yy] in p:
 485                                 p.append([xx, yy])
 486                         g = self.grid[xx][yy]
 487                         if g != None:
 488                                 return p
 489
 490                 return p
 491
 492
 493
 494         # I typed the full statement about 30 times before writing this function...
 495         def on_board(self, x, y):
 496                 return (x >= 0 and x < w) and (y >= 0 and y < h)
 497 # --- board.py --- #
 498 # +++ player.py +++ #
 499 import subprocess
 500
 501
 502
 503 # A player who can't play
 504 class Player():
 505         def __init__(self, name, colour):
 506                 self.name = name
 507                 self.colour = colour
 508
 509 # Player that runs from another process
 510 class AgentPlayer(Player):
 511         def __init__(self, name, colour):
 512                 Player.__init__(self, name, colour)
 513                 self.p = subprocess.Popen(name, stdin=subprocess.PIPE, stdout=subprocess.PIPE,stderr=sys.stderr)
 514                 try:
 515                         self.p.stdin.write(colour + "\n")
 516                 except:
 517                         raise Exception("UNRESPONSIVE")
 518
 519         def select(self):
 520
 521                 #try:
 522                 self.p.stdin.write("SELECTION?\n")
 523                 line = self.p.stdout.readline().strip("\r\n ")
 524                 #except:
 525                 #       raise Exception("UNRESPONSIVE")
 526                 try:
 527                         result = map(int, line.split(" "))
 528                 except:
 529                         raise Exception("GIBBERISH \"" + str(line) + "\"")
 530                 return result
 531
 532         def update(self, result):
 533                 #print "Update " + str(result) + " called for AgentPlayer"
 534 #               try:
 535                 self.p.stdin.write(result + "\n")
 536 #               except:
 537 #               raise Exception("UNRESPONSIVE")
 538
 539         def get_move(self):
 540
 541                 try:
 542                         self.p.stdin.write("MOVE?\n")
 543                         line = self.p.stdout.readline().strip("\r\n ")
 544                 except:
 545                         raise Exception("UNRESPONSIVE")
 546                 try:
 547                         result = map(int, line.split(" "))
 548                 except:
 549                         raise Exception("GIBBERISH \"" + str(line) + "\"")
 550                 return result
 551
 552         def quit(self, final_result):
 553                 try:
 554                         self.p.stdin.write("QUIT " + final_result + "\n")
 555                 except:
 556                         self.p.kill()
 557
 558 # So you want to be a player here?
 559 class HumanPlayer(Player):
 560         def __init__(self, name, colour):
 561                 Player.__init__(self, name, colour)
 562
 563         # Select your preferred account
 564         def select(self):
 565                 if isinstance(graphics, GraphicsThread):
 566                         # Basically, we let the graphics thread do some shit and then return that information to the game thread
 567                         graphics.cond.acquire()
 568                         # We wait for the graphics thread to select a piece
 569                         while graphics.stopped() == False and graphics.state["select"] == None:
 570                                 graphics.cond.wait() # The difference between humans and machines is that humans sleep
 571                         select = graphics.state["select"]
 572
 573
 574                         graphics.cond.release()
 575                         if graphics.stopped():
 576                                 return [-1,-1]
 577                         return [select.x, select.y]
 578                 else:
 579                         # Since I don't display the board in this case, I'm not sure why I filled it in...
 580                         while True:
 581                                 sys.stdout.write("SELECTION?\n")
 582                                 try:
 583                                         p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
 584                                 except:
 585                                         sys.stderr.write("ILLEGAL GIBBERISH\n")
 586                                         continue
 587         # It's your move captain
 588         def get_move(self):
 589                 if isinstance(graphics, GraphicsThread):
 590                         graphics.cond.acquire()
 591                         while graphics.stopped() == False and graphics.state["dest"] == None:
 592                                 graphics.cond.wait()
 593                         graphics.cond.release()
 594
 595                         return graphics.state["dest"]
 596                 else:
 597
 598                         while True:
 599                                 sys.stdout.write("MOVE?\n")
 600                                 try:
 601                                         p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
 602                                 except:
 603                                         sys.stderr.write("ILLEGAL GIBBERISH\n")
 604                                         continue
 605
 606         # Are you sure you want to quit?
 607         def quit(self, final_result):
 608                 sys.stdout.write("QUIT " + final_result + "\n")
 609
 610         # Completely useless function
 611         def update(self, result):
 612                 if isinstance(graphics, GraphicsThread):
 613                         pass
 614                 else:
 615                         sys.stdout.write(result + "\n")
 616
 617
 618 # Player that makes random moves
 619 class AgentRandom(Player):
 620         def __init__(self, name, colour):
 621                 Player.__init__(self, name, colour)
 622                 self.choice = None
 623
 624                 self.board = Board(style = "agent")
 625
 626         def select(self):
 627                 while True:
 628                         self.choice = self.board.pieces[self.colour][random.randint(0, len(self.board.pieces[self.colour])-1)]
 629                         all_moves = []
 630                         # Check that the piece has some possibility to move
 631                         tmp = self.choice.current_type
 632                         if tmp == "unknown": # For unknown pieces, try both types
 633                                 for t in self.choice.types:
 634                                         if t == "unknown":
 635                                                 continue
 636                                         self.choice.current_type = t
 637                                         all_moves += self.board.possible_moves(self.choice)
 638                         else:
 639                                 all_moves = self.board.possible_moves(self.choice)
 640                         self.choice.current_type = tmp
 641                         if len(all_moves) > 0:
 642                                 break
 643                 return [self.choice.x, self.choice.y]
 644
 645         def get_move(self):
 646                 moves = self.board.possible_moves(self.choice)
 647                 move = moves[random.randint(0, len(moves)-1)]
 648                 return move
 649
 650         def update(self, result):
 651                 #sys.stderr.write(sys.argv[0] + " : Update board for AgentRandom\n")
 652                 self.board.update(result)
 653                 self.board.verify()
 654
 655         def quit(self, final_result):
 656                 pass
 657 # --- player.py --- #
 658 # +++ network.py +++ #
 659 import socket
 660
 661 class Network():
 662         def __init__(self, colour, address = None):
 663                 self.socket = socket.socket()
 664
 665                 if colour == "white":
 666                         self.port = 4563
 667                 else:
 668                         self.port = 4564
 669
 670                 self.src = None
 671
 672                 if address == None:
 673                         self.host = 'localhost' #socket.gethostname()
 674                         self.socket.bind((self.host, self.port))
 675                         self.socket.listen(5)
 676
 677                         self.src, self.address = self.socket.accept()
 678                 else:
 679                         self.host = address
 680                         self.socket.connect(('localhost', self.port))
 681                         self.src = self.socket
 682
 683         def getline(self):
 684                 s = self.src.recv(1)
 685                 while s[len(s)-1] != '\n':
 686                         s += self.src.recv(1)
 687                 return s
 688
 689
 690
 691
 692 class NetworkSender(Player,Network):
 693         def __init__(self, base_player, board, address = None):
 694                 self.base_player = base_player
 695                 Player.__init__(self, base_player.name, base_player.colour)
 696                 Network.__init__(self, base_player.colour, address)
 697
 698                 self.board = board
 699
 700         def select(self):
 701                 [x,y] = self.base_player.select()
 702                 choice = self.board.grid[x][y]
 703                 s = str(x) + " " + str(y)
 704                 print str(self) + ".select sends " + s
 705                 self.src.send(s + "\n")
 706                 return [x,y]
 707
 708         def get_move(self):
 709                 [x,y] = self.base_player.get_move()
 710                 s = str(x) + " " + str(y)
 711                 print str(self) + ".get_move sends " + s
 712                 self.src.send(s + "\n")
 713                 return [x,y]
 714
 715         def update(self, s):
 716                 self.base_player.update(s)
 717                 s = s.split(" ")
 718                 [x,y] = map(int, s[0:2])
 719                 selected = self.board.grid[x][y]
 720                 if selected != None and selected.colour == self.colour and len(s) > 2 and not "->" in s:
 721                         s = " ".join(s[0:3])
 722                         for i in range(2):
 723                                 if selected.types_revealed[i] == True:
 724                                         s += " " + str(selected.types[i])
 725                                 else:
 726                                         s += " unknown"
 727                         print str(self) + ".update sends " + s
 728                         self.src.send(s + "\n")
 729
 730
 731         def quit(self, final_result):
 732                 self.base_player.quit(final_result)
 733                 self.src.close()
 734
 735 class NetworkReceiver(Player,Network):
 736         def __init__(self, colour, board, address=None):
 737
 738                 Player.__init__(self, address, colour)
 739
 740                 Network.__init__(self, colour, address)
 741
 742                 self.board = board
 743
 744
 745         def select(self):
 746                 s = self.getline().strip(" \r\n")
 747                 return map(int,s.split(" "))
 748         def get_move(self):
 749                 s = self.getline().strip(" \r\n")
 750                 print str(self) + ".get_move gets " + s
 751                 return map(int, s.split(" "))
 752
 753         def update(self, result):
 754
 755                 result = result.split(" ")
 756                 [x,y] = map(int, result[0:2])
 757                 selected = self.board.grid[x][y]
 758                 if selected != None and selected.colour == self.colour and len(result) > 2 and not "->" in result:
 759                         s = self.getline().strip(" \r\n")
 760                         print str(self) + ".update - receives " + str(s)
 761                         s = s.split(" ")
 762                         selected.choice = int(s[2])
 763                         for i in range(2):
 764                                 selected.types[i] = str(s[3+i])
 765                                 if s[3+i] == "unknown":
 766                                         selected.types_revealed[i] = False
 767                                 else:
 768                                         selected.types_revealed[i] = True
 769                         selected.current_type = selected.types[selected.choice]
 770                 else:
 771                         print str(self) + ".update - ignore result " + str(result)
 772
 773
 774         def quit(self, final_result):
 775                 self.src.close()
 776
 777 # --- network.py --- #
 778 # +++ thread_util.py +++ #
 779 import threading
 780
 781 # A thread that can be stopped!
 782 # Except it can only be stopped if it checks self.stopped() periodically
 783 # So it can sort of be stopped
 784 class StoppableThread(threading.Thread):
 785         def __init__(self):
 786                 threading.Thread.__init__(self)
 787                 self._stop = threading.Event()
 788
 789         def stop(self):
 790                 self._stop.set()
 791
 792         def stopped(self):
 793                 return self._stop.isSet()
 794 # --- thread_util.py --- #
 795 # +++ game.py +++ #
 796
 797 # A thread that runs the game
 798 class GameThread(StoppableThread):
 799         def __init__(self, board, players):
 800                 StoppableThread.__init__(self)
 801                 self.board = board
 802                 self.players = players
 803                 self.state = {"turn" : None} # The game state
 804                 self.error = 0 # Whether the thread exits with an error
 805                 self.lock = threading.RLock() #lock for access of self.state
 806                 self.cond = threading.Condition() # conditional for some reason, I forgot
 807                 self.final_result = ""
 808
 809         # Run the game (run in new thread with start(), run in current thread with run())
 810         def run(self):
 811                 result = ""
 812                 while not self.stopped():
 813
 814                         for p in self.players:
 815                                 with self.lock:
 816                                         if isinstance(p, NetworkSender):
 817                                                 self.state["turn"] = p.base_player # "turn" contains the player who's turn it is
 818                                         else:
 819                                                 self.state["turn"] = p
 820                                 #try:
 821                                 if True:
 822                                         [x,y] = p.select() # Player selects a square
 823                                         if self.stopped():
 824                                                 break
 825
 826
 827
 828
 829                                         result = self.board.select(x, y, colour = p.colour)
 830                                         for p2 in self.players:
 831                                                 p2.update(result) # Inform players of what happened
 832
 833
 834
 835                                         target = self.board.grid[x][y]
 836                                         if isinstance(graphics, GraphicsThread):
 837                                                 with graphics.lock:
 838                                                         graphics.state["moves"] = self.board.possible_moves(target)
 839                                                         graphics.state["select"] = target
 840
 841                                         time.sleep(turn_delay)
 842
 843
 844                                         if len(self.board.possible_moves(target)) == 0:
 845                                                 #print "Piece cannot move"
 846                                                 target.deselect()
 847                                                 if isinstance(graphics, GraphicsThread):
 848                                                         with graphics.lock:
 849                                                                 graphics.state["moves"] = None
 850                                                                 graphics.state["select"] = None
 851                                                                 graphics.state["dest"] = None
 852                                                 continue
 853
 854                                         try:
 855                                                 [x2,y2] = p.get_move() # Player selects a destination
 856                                         except:
 857                                                 self.stop()
 858
 859                                         if self.stopped():
 860                                                 break
 861
 862                                         result = self.board.update_move(x, y, x2, y2)
 863                                         for p2 in self.players:
 864                                                 p2.update(str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)) # Inform players of what happened
 865
 866                                         if isinstance(graphics, GraphicsThread):
 867                                                 with graphics.lock:
 868                                                         graphics.state["moves"] = [[x2,y2]]
 869
 870                                         time.sleep(turn_delay)
 871
 872                                         if isinstance(graphics, GraphicsThread):
 873                                                 with graphics.lock:
 874                                                         graphics.state["select"] = None
 875                                                         graphics.state["dest"] = None
 876                                                         graphics.state["moves"] = None
 877
 878                         # Commented out exception stuff for now, because it makes it impossible to tell if I made an IndentationError somewhere
 879                                 #except Exception,e:
 880                                         #result = "ILLEGAL " + e.message
 881                                         #sys.stderr.write(result + "\n")
 882
 883                                         #self.stop()
 884                                         #with self.lock:
 885                                         #       self.final_result = self.state["turn"].colour + " " + "ILLEGAL"
 886
 887                                 if self.board.king["black"] == None:
 888                                         if self.board.king["white"] == None:
 889                                                 with self.lock:
 890                                                         self.final_result = "DRAW"
 891                                         else:
 892                                                 with self.lock:
 893                                                         self.final_result = "white"
 894                                         self.stop()
 895                                 elif self.board.king["white"] == None:
 896                                         with self.lock:
 897                                                 self.final_result = "black"
 898                                         self.stop()
 899
 900
 901                                 if self.stopped():
 902                                         break
 903
 904
 905                 for p2 in self.players:
 906                         p2.quit(self.final_result)
 907
 908                 graphics.stop()
 909
 910
 911
 912
 913 def opponent(colour):
 914         if colour == "white":
 915                 return "black"
 916         else:
 917                 return "white"
 918 # --- game.py --- #
 919 # +++ graphics.py +++ #
 920 import pygame
 921
 922 # Dictionary that stores the unicode character representations of the different pieces
 923 # Chess was clearly the reason why unicode was invented
 924 # For some reason none of the pygame chess implementations I found used them!
 925 piece_char = {"white" : {"king" : u'\u2654',
 926                          "queen" : u'\u2655',
 927                          "rook" : u'\u2656',
 928                          "bishop" : u'\u2657',
 929                          "knight" : u'\u2658',
 930                          "pawn" : u'\u2659',
 931                          "unknown" : '?'},
 932                 "black" : {"king" : u'\u265A',
 933                          "queen" : u'\u265B',
 934                          "rook" : u'\u265C',
 935                          "bishop" : u'\u265D',
 936                          "knight" : u'\u265E',
 937                          "pawn" : u'\u265F',
 938                          "unknown" : '?'}}
 939
 940 images = {"white" : {}, "black" : {}}
 941 small_images = {"white" : {}, "black" : {}}
 942
 943 # A thread to make things pretty
 944 class GraphicsThread(StoppableThread):
 945         def __init__(self, board, title = "UCC::Progcomp 2013 - QChess", grid_sz = [80,80]):
 946                 StoppableThread.__init__(self)
 947
 948                 self.board = board
 949                 pygame.init()
 950                 self.window = pygame.display.set_mode((grid_sz[0] * w, grid_sz[1] * h))
 951                 pygame.display.set_caption(title)
 952                 self.grid_sz = grid_sz[:]
 953                 self.state = {"select" : None, "dest" : None, "moves" : None, "overlay" : None, "coverage" : None}
 954                 self.error = 0
 955                 self.lock = threading.RLock()
 956                 self.cond = threading.Condition()
 957
 958                 # Get the font sizes
 959                 l_size = 5*(self.grid_sz[0] / 8)
 960                 s_size = 3*(self.grid_sz[0] / 8)
 961                 for p in piece_types.keys():
 962                         c = "black"
 963                         images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", l_size).render(piece_char[c][p], True,(0,0,0))})
 964                         small_images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", s_size).render(piece_char[c][p],True,(0,0,0))})
 965                         c = "white"
 966
 967                         images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", l_size+1).render(piece_char["black"][p], True,(255,255,255))})
 968                         images[c][p].blit(pygame.font.Font("data/DejaVuSans.ttf", l_size).render(piece_char[c][p], True,(0,0,0)),(0,0))
 969                         small_images[c].update({p : pygame.font.Font("data/DejaVuSans.ttf", s_size+1).render(piece_char["black"][p],True,(255,255,255))})
 970                         small_images[c][p].blit(pygame.font.Font("data/DejaVuSans.ttf", s_size).render(piece_char[c][p],True,(0,0,0)),(0,0))
 971
 972
 973
 974
 975
 976         # On the run from the world
 977         def run(self):
 978
 979                 while not self.stopped():
 980
 981                         self.board.display_grid(window = self.window, grid_sz = self.grid_sz) # Draw the board
 982
 983                         self.overlay()
 984
 985                         self.board.display_pieces(window = self.window, grid_sz = self.grid_sz) # Draw the board
 986
 987                         pygame.display.flip()
 988
 989                         for event in pygame.event.get():
 990                                 if event.type == pygame.QUIT:
 991                                         if isinstance(game, GameThread):
 992                                                 with game.lock:
 993                                                         game.final_result = "terminated"
 994                                                 game.stop()
 995                                         self.stop()
 996                                         break
 997                                 elif event.type == pygame.MOUSEBUTTONDOWN:
 998                                         self.mouse_down(event)
 999                                 elif event.type == pygame.MOUSEBUTTONUP:
1000                                         self.mouse_up(event)
1001
1002
1003
1004
1005
1006
1007                 self.message("Game ends, result \""+str(game.final_result) + "\"")
1008                 time.sleep(1)
1009
1010                 # Wake up anyone who is sleeping
1011                 self.cond.acquire()
1012                 self.cond.notify()
1013                 self.cond.release()
1014
1015                 pygame.quit() # Time to say goodbye
1016
1017         # Mouse release event handler
1018         def mouse_up(self, event):
1019                 if event.button == 3:
1020                         with self.lock:
1021                                 self.state["overlay"] = None
1022                 elif event.button == 2:
1023                         with self.lock:
1024                                 self.state["coverage"] = None
1025
1026         # Mouse click event handler
1027         def mouse_down(self, event):
1028                 if event.button == 1:
1029                         m = [event.pos[i] / self.grid_sz[i] for i in range(2)]
1030                         if isinstance(game, GameThread):
1031                                 with game.lock:
1032                                         p = game.state["turn"]
1033                         else:
1034                                         p = None
1035
1036
1037                         if isinstance(p, HumanPlayer):
1038                                 with self.lock:
1039                                         s = self.board.grid[m[0]][m[1]]
1040                                         select = self.state["select"]
1041                                 if select == None:
1042                                         if s != None and s.colour != p.colour:
1043                                                 self.message("Wrong colour") # Look at all this user friendliness!
1044                                                 time.sleep(1)
1045                                                 return
1046                                         # Notify human player of move
1047                                         self.cond.acquire()
1048                                         with self.lock:
1049                                                 self.state["select"] = s
1050                                                 self.state["dest"] = None
1051                                         self.cond.notify()
1052                                         self.cond.release()
1053                                         return
1054
1055                                 if select == None:
1056                                         return
1057
1058
1059                                 if self.state["moves"] == None:
1060                                         return
1061
1062                                 if not m in self.state["moves"]:
1063                                         self.message("Illegal Move") # I still think last year's mouse interface was adequate
1064                                         time.sleep(2)
1065                                         return
1066
1067                                 with self.lock:
1068                                         if self.state["dest"] == None:
1069                                                 self.cond.acquire()
1070                                                 self.state["dest"] = m
1071                                                 self.state["select"] = None
1072                                                 self.state["moves"] = None
1073                                                 self.cond.notify()
1074                                                 self.cond.release()
1075                 elif event.button == 3:
1076                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
1077                         if isinstance(game, GameThread):
1078                                 with game.lock:
1079                                         p = game.state["turn"]
1080                         else:
1081                                 p = None
1082
1083
1084                         if isinstance(p, HumanPlayer):
1085                                 with self.lock:
1086                                         self.state["overlay"] = self.board.probability_grid(self.board.grid[m[0]][m[1]])
1087
1088                 elif event.button == 2:
1089                         m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
1090                         if isinstance(game, GameThread):
1091                                 with game.lock:
1092                                         p = game.state["turn"]
1093                         else:
1094                                 p = None
1095
1096
1097                         if isinstance(p, HumanPlayer):
1098                                 with self.lock:
1099                                         self.state["coverage"] = self.board.coverage(m[0], m[1], None, self.state["select"])
1100
1101         # Draw the overlay
1102         def overlay(self):
1103
1104                 square_img = pygame.Surface((self.grid_sz[0], self.grid_sz[1]),pygame.SRCALPHA) # A square image
1105                 # Draw square over the selected piece
1106                 with self.lock:
1107                         select = self.state["select"]
1108                 if select != None:
1109                         mp = [self.grid_sz[i] * [select.x, select.y][i] for i in range(len(self.grid_sz))]
1110                         square_img.fill(pygame.Color(0,255,0,64))
1111                         self.window.blit(square_img, mp)
1112                 # If a piece is selected, draw all reachable squares
1113                 # (This quality user interface has been patented)
1114                 with self.lock:
1115                         m = self.state["moves"]
1116                 if m != None:
1117                         square_img.fill(pygame.Color(255,0,0,128)) # Draw them in blood red
1118                         for move in m:
1119                                 mp = [self.grid_sz[i] * move[i] for i in range(2)]
1120                                 self.window.blit(square_img, mp)
1121                 # If a piece is overlayed, show all squares that it has a probability to reach
1122                 with self.lock:
1123                         m = self.state["overlay"]
1124                 if m != None:
1125                         for x in range(w):
1126                                 for y in range(h):
1127                                         if m[x][y] > 0.0:
1128                                                 mp = [self.grid_sz[i] * [x,y][i] for i in range(2)]
1129                                                 square_img.fill(pygame.Color(255,0,255,int(m[x][y] * 128))) # Draw in purple
1130                                                 self.window.blit(square_img, mp)
1131                                                 font = pygame.font.Font(None, 14)
1132                                                 text = font.render("{0:.2f}".format(round(m[x][y],2)), 1, pygame.Color(0,0,0))
1133                                                 self.window.blit(text, mp)
1134
1135                 # If a square is selected, highlight all pieces that have a probability to reach it
1136                 with self.lock:
1137                         m = self.state["coverage"]
1138                 if m != None:
1139                         for p in m:
1140                                 mp = [self.grid_sz[i] * [p.x,p.y][i] for i in range(2)]
1141                                 square_img.fill(pygame.Color(0,255,255, int(m[p] * 196))) # Draw in pale blue
1142                                 self.window.blit(square_img, mp)
1143                                 font = pygame.font.Font(None, 14)
1144                                 text = font.render("{0:.2f}".format(round(m[p],2)), 1, pygame.Color(0,0,0))
1145                                 self.window.blit(text, mp)
1146                         # Draw a square where the mouse is
1147                 # This also serves to indicate who's turn it is
1148
1149                 if isinstance(game, GameThread):
1150                         with game.lock:
1151                                 turn = game.state["turn"]
1152                 else:
1153                         turn = None
1154
1155                 if isinstance(turn, HumanPlayer):
1156                         mp = [self.grid_sz[i] * int(pygame.mouse.get_pos()[i] / self.grid_sz[i]) for i in range(2)]
1157                         square_img.fill(pygame.Color(0,0,255,128))
1158                         if turn.colour == "white":
1159                                 c = pygame.Color(255,255,255)
1160                         else:
1161                                 c = pygame.Color(0,0,0)
1162                         pygame.draw.rect(square_img, c, (0,0,self.grid_sz[0], self.grid_sz[1]), self.grid_sz[0]/10)
1163                         self.window.blit(square_img, mp)
1164
1165         # Message in a bottle
1166         def message(self, string, pos = None, colour = None, font_size = 32):
1167                 font = pygame.font.Font(None, font_size)
1168                 if colour == None:
1169                         colour = pygame.Color(0,0,0)
1170
1171                 text = font.render(string, 1, colour)
1172
1173
1174                 s = pygame.Surface((text.get_width(), text.get_height()), pygame.SRCALPHA)
1175                 s.fill(pygame.Color(128,128,128))
1176
1177                 tmp = self.window.get_size()
1178
1179                 if pos == None:
1180                         pos = (tmp[0] / 2 - text.get_width() / 2, tmp[1] / 3 - text.get_height())
1181                 else:
1182                         pos = (pos[0]*text.get_width() + tmp[0] / 2 - text.get_width() / 2, pos[1]*text.get_height() + tmp[1] / 3 - text.get_height())
1183
1184
1185                 rect = (pos[0], pos[1], text.get_width(), text.get_height())
1186
1187                 pygame.draw.rect(self.window, pygame.Color(0,0,0), pygame.Rect(rect), 1)
1188                 self.window.blit(s, pos)
1189                 self.window.blit(text, pos)
1190
1191                 pygame.display.flip()
1192
1193         def getstr(self, prompt = None):
1194                 result = ""
1195                 while True:
1196                         #print "LOOP"
1197                         if prompt != None:
1198                                 self.message(prompt)
1199                                 self.message(result, pos = (0, 1))
1200
1201                         for event in pygame.event.get():
1202                                 if event.type == pygame.KEYDOWN:
1203                                         if chr(event.key) == '\r':
1204                                                 return result
1205                                         result += str(chr(event.key))
1206 # --- graphics.py --- #
1207 # +++ main.py +++ #
1208 #!/usr/bin/python -u
1209
1210 # Do you know what the -u does? It unbuffers stdin and stdout
1211 # I can't remember why, but last year things broke without that
1212
1213 """
1214         UCC::Progcomp 2013 Quantum Chess game
1215         @author Sam Moore [SZM] "matches"
1216         @copyright The University Computer Club, Incorporated
1217                 (ie: You can copy it for not for profit purposes)
1218 """
1219
1220 # system python modules or whatever they are called
1221 import sys
1222 import os
1223 import time
1224
1225 turn_delay = 0.5
1226 [game, graphics] = [None, None]
1227
1228
1229 # The main function! It does the main stuff!
1230 def main(argv):
1231
1232         # Apparently python will silently treat things as local unless you do this
1233         # But (here's the fun part), only if you actually modify the variable.
1234         # For example, all those 'if graphics_enabled' conditions work in functions that never say it is global
1235         # Anyone who says "You should never use a global variable" can die in a fire
1236         global game
1237         global graphics
1238
1239         # Magical argument parsing goes here
1240 #       if len(argv) == 1:
1241 #               players = [HumanPlayer("saruman", "white"), AgentRandom("sabbath", "black")]
1242 #       elif len(argv) == 2:
1243 #               players = [AgentPlayer(argv[1], "white"), HumanPlayer("shadow", "black"), ]
1244 #       elif len(argv) == 3:
1245 #               players = [AgentPlayer(argv[1], "white"), AgentPlayer(argv[2], "black")]
1246
1247
1248         board = Board(style = "quantum")
1249         # Construct the board!
1250         if len(argv) == 1:
1251                 players = [NetworkSender(HumanPlayer("saruman", "white"), board), NetworkReceiver("black", board, 'localhost')]
1252
1253         else:
1254                 players = [NetworkReceiver("white", board, 'localhost'), NetworkSender(HumanPlayer("sabbath", "black"), board)]
1255
1256
1257
1258
1259         graphics = GraphicsThread(board, grid_sz = [64,64]) # Construct a GraphicsThread! I KNOW WHAT I'M DOING! BEAR WITH ME!
1260
1261
1262
1263
1264         game = GameThread(board, players) # Construct a GameThread! Make it global! Damn the consequences!
1265         game.start() # This runs in a new thread
1266
1267         graphics.run()
1268         game.join()
1269         return game.error + graphics.error
1270
1271
1272 # This is how python does a main() function...
1273 if __name__ == "__main__":
1274         sys.exit(main(sys.argv))
1275 # --- main.py --- #
1276 # EOF - created from update.sh on Thu Jan 24 03:04:38 WST 2013