Python LBoard.asFen方法代码示例

# 需要导入模块: from pychess.Utils.lutils.LBoard import LBoard [as 别名]
# 或者: from pychess.Utils.lutils.LBoard.LBoard import asFen [as 别名]
 def testFEN(self):
     """Testing board-FEN conversion with several positions"""
     for i, fenstr in enumerate(self.positions[1:]):
         board = LBoard()
         board.applyFen(fenstr)
         fenstr2 = board.asFen()
         self.assertEqual(fenstr, fenstr2)

# 需要导入模块: from pychess.Utils.lutils.LBoard import LBoard [as 别名]
# 或者: from pychess.Utils.lutils.LBoard.LBoard import asFen [as 别名]
 def testFEN(self):
     """Testing board-FEN conversion with several positions"""
     print
     board = LBoard(Board)
     for i, fenstr in enumerate(self.positions[1:]):
         sys.stdout.write("#")
         board.applyFen(fenstr)
         fenstr2 = board.asFen()
         self.assertEqual(fenstr, fenstr2)
     print

# 需要导入模块: from pychess.Utils.lutils.LBoard import LBoard [as 别名]
# 或者: from pychess.Utils.lutils.LBoard.LBoard import asFen [as 别名]
def create_fen(pieces):
    """ Create a random FEN position using given pieces """

    pos = pieces.rfind("k")
    pieces = pieces[:pos], pieces[pos:]

    ok = False
    while not ok:
        lboard = LBoard()
        lboard.applyFen("8/8/8/8/8/8/8/8 w - - 0 1")
        bishop_cords = [[], []]
        bishop_colors_ok = True

        cords = list(range(0, 64))
        pawn_cords = list(range(0 + 8, 64 - 8))

        # Order of color is important here to prevent offering
        # positions with trivial captures in first move
        for color in (WHITE, BLACK):
            for char in pieces[color]:
                piece = chrU2Sign[char.upper()]
                attacked = True
                limit = 100
                while attacked and limit > 0:
                    cord = random.choice(pawn_cords if char == "p" else cords)
                    attacked = isAttacked(lboard, cord, 1 - color)
                    limit -= 1
                lboard._addPiece(cord, piece, color)
                cords.remove(cord)
                if cord in pawn_cords:
                    pawn_cords.remove(cord)
                if char == "b":
                    bishop_cords[color].append(cord)

            # 2 same color bishop is not ok
            if len(bishop_cords[color]) == 2 and bishop_colors_ok:
                b0, b1 = bishop_cords[color]
                b0_color = BLACK if RANK(b0) % 2 == FILE(b0) % 2 else WHITE
                b1_color = BLACK if RANK(b1) % 2 == FILE(b1) % 2 else WHITE
                if b0_color == b1_color:
                    bishop_colors_ok = False
                    break

        ok = (not lboard.isChecked()) and (not lboard.opIsChecked()) and bishop_colors_ok

    fen = lboard.asFen()
    return fen

# 需要导入模块: from pychess.Utils.lutils.LBoard import LBoard [as 别名]
# 或者: from pychess.Utils.lutils.LBoard.LBoard import asFen [as 别名]
class OLVFile(ChessFile):
    def __init__(self, handle):
        ChessFile.__init__(self, handle)

        self.games = self.read_games(handle)
        self.count = len(self.games)

    def read_games(self, handle):
        """ We don't return games if stipulation is not 'mate in #' """
        games = []
        rec = None
        rec_id = 1
        contains_fairy_pieces = False

        # authors is a more line list (each line starts with "-")
        in_authors = False

        # piece list are usually in one line list inside []
        # but sometimes given in more line lists
        in_white = False
        in_black = False

        for line in handle:
            line = line.rstrip()

            if in_authors and ":" in line:
                in_authors = False

            elif in_white and ":" in line:
                in_white = False

            elif in_black and ":" in line:
                in_black = False
                rec["FEN"] = self.lboard.asFen()

            # New record start
            if line == "---":
                if rec is not None and rec["Black"].startswith("Mate in ") and not contains_fairy_pieces:
                    games.append(rec)
                    rec_id += 1

                contains_fairy_pieces = False

                self.lboard = LBoard()
                self.lboard.applyFen("8/8/8/8/8/8/8/8 w - - 0 1")

                rec = collections.defaultdict(str)
                rec["Id"] = rec_id
                rec["Offset"] = 0

            elif line.startswith("authors:"):
                in_authors = True

            elif line.startswith("source:"):
                rec["Event"] = line[8:]

            elif line.startswith("source-id:"):
                rec["Event"] = "%s (%s)" % (rec["Event"], line[12:])

            elif line.startswith("date:"):
                parts = line[6:].split("-")
                parts_len = len(parts)
                if parts_len >= 3:
                    rec["Day"] = parts[2]
                if parts_len >= 2:
                    rec["Month"] = parts[1]
                if parts_len >= 1:
                    rec["Year"] = parts[0]

            elif line.startswith("distinction:"):
                rec["Site"] = line[12:]

            elif line.startswith("algebraic:"):
                pass

            elif line.startswith("  white:"):
                parts = line.split("[")
                if len(parts) > 1:
                    pieces = parts[1][:-1]
                    for piece in pieces.split(", "):
                        if piece.startswith("Royal") or piece[0] not in chr2piece:
                            contains_fairy_pieces = True
                        else:
                            cord = Cord(piece[1:3]).cord
                            piece = chr2piece[piece[0]]
                            self.lboard._addPiece(cord, piece, WHITE)
                else:
                    in_white = True

            elif line.startswith("  black:"):
                parts = line.split("[")
                if len(parts) > 1:
                    pieces = parts[1][:-1]
                    for piece in pieces.split(", "):
                        if piece.startswith("Royal") or piece[0] not in chr2piece:
                            contains_fairy_pieces = True
                        else:
                            cord = Cord(piece[1:3]).cord
                            piece = chr2piece[piece[0]]
                            self.lboard._addPiece(cord, piece, BLACK)
#.........这里部分代码省略.........