class Notification(object):
def __init__(self,
window,
styleFunction,
stylesheet=["", "", ""],
img_margin=5,
top_margin=5,
pos=[0, 0],
size=[100, 20]):
self._styleFunction = styleFunction
self._currApp = ''
self._pos = pos
# Create components
### Notification Background
self._background_main_stylesheet = stylesheet[0]
self._background = QLabel(window)
self._background.setGeometry(pos[0], pos[1], size[0], size[1])
self._background.hide()
### Notification Logo
self._logo = None
self._logo_geometry = [
img_margin, img_margin, size[1] - img_margin * 2,
size[1] - img_margin * 2
]
### Notification Title
self._title = QLabel(self._background)
self._title.setAttribute(Qt.WA_TranslucentBackground)
self._title.setAlignment(Qt.AlignTop | Qt.AlignLeft)
self._title.setStyleSheet('QLabel{' + stylesheet[1] + '}')
self._title.setText('Title')
self._title.adjustSize()
self._title.setGeometry(
img_margin + self._logo_geometry[2] + 4, top_margin,
size[0] - img_margin - self._logo_geometry[2] - 4,
self._title.height())
self._title.show()
### Notification Message
self._message = QLabel(self._background)
self._message.setAttribute(Qt.WA_TranslucentBackground)
self._message.setAlignment(Qt.AlignTop | Qt.AlignLeft)
self._message.setStyleSheet('QLabel{' + stylesheet[2] + '}')
self._message.setText('Message')
self._message.adjustSize()
self._message.setGeometry(
img_margin + self._logo_geometry[2] + 8,
top_margin + self._title.height() + 2,
size[0] - img_margin - self._logo_geometry[2] - 8,
self._message.height() * 2)
self._message.show()
def setParent(self, p):
self._background.setParent(p)
def deleteLater(self):
self._background.deleteLater()
def setText(self, app, title, message):
if self._currApp != app:
logoPath, backgroundColor = self._styleFunction(app)
if self._logo == None:
self._logo = QSvgWidget(logoPath, self._background)
self._logo.setGeometry(self._logo_geometry[0],
self._logo_geometry[1],
self._logo_geometry[2],
self._logo_geometry[3])
self._logo.show()
else:
self._logo.load(logoPath)
self._background.setStyleSheet('QLabel {background-color:' +
backgroundColor + ';' +
self._background_main_stylesheet +
'}')
self._logo.setStyleSheet('background-color:' + backgroundColor +
';')
self._currApp = app
# Update Textual Contents
self._title.setText(title)
self._message.setText(message)
self._message.setWordWrap(True)
def update(self):
self._background.update()
self._logo.update()
self._title.update()
self._message.update()
def show(self):
self._background.show()
def hide(self):
self._background.hide()
def move(self, x, y):
self._pos = [x, y]
self._background.move(x, y)
def moveX(self, x):
self._pos[0] = x
self._background.move(x, self._pos[1])
def moveY(self, y):
self._pos[1] = y
self._background.move(self._pos[0], y)
def bringToFront(self):
self._background.raise_()
def bringToBack(self):
self._background.lower()
import chess
import chess.svg
board = chess.Board()
board.reset_board()
app = QApplication(sys.argv)
svgWidget = QSvgWidget()
svgWidget.setGeometry(400, 300, 400, 400)
svgWidget.show()
board_picture = chess.svg.board(board)
svg_bytes = bytearray(board_picture, encoding='utf-8')
svgWidget.renderer().load(svg_bytes)
svgWidget.update()
svgWidget.show()
loop = QEventLoop()
QTimer.singleShot(1000, loop.quit)
loop.exec_()
source_cell_index = chess.square(
chess.FILE_NAMES.index('a'),
chess.RANK_NAMES.index('1')) #example: A1 is cell index = 0 (out of 63)
dest_cell_index = chess.square(chess.FILE_NAMES.index('a'),
chess.RANK_NAMES.index('3'))
print('source_cell_index:', source_cell_index)
print('dest_cell_index:', dest_cell_index)
class MainWindow(QWidget):
def __init__(self):
super().__init__()
self.setGeometry(500, 50, 1000, 1000)
self.widgetSvg = QSvgWidget(parent=self)
self.widgetSvg.setGeometry(0, 0, 1000, 1000)
if args.board is not None:
self.chessboard = chess.Board(args.board)
else:
self.chessboard = chess.Board()
self.chessboardSvg = chess.svg.board(self.chessboard).encode("UTF-8")
self.widgetSvg.load(self.chessboardSvg)
self.widgetSvg.mousePressEvent = self.onclick
self.human_first_click = True
self.human_move = ''
with open(os.path.join(os.getcwd(), 'config.json'), 'r') as f:
self.config = json.load(f)
self.use_nn = args.nn
self.use_database = args.database
self.use_mcts = args.mcts
# QTimer.singleShot(10, self.play)
# QTimer.singleShot(10, self.play)
def human_on_click(self, event):
move = self.get_human_move(event)
if move is None:
return None
if self.human_first_click:
self.human_first_click = False
self.human_move = move
else:
self.human_first_click = True
self.human_move += move
try:
move = None
start_position = position_to_index_1d(self.human_move[:2])
if self.chessboard.piece_at(start_position) in [chess.Piece.from_symbol('p'),
chess.Piece.from_symbol('P')]:
end_position = position_to_index_1d(self.human_move[2:])
if start_position in [end_position + ROW_SIZE, end_position - ROW_SIZE]:
print('enter promotion: q, r, b, n')
value = input()
if value in ['q', 'r', 'b', 'n']:
move = chess.Move.from_uci(self.human_move + value)
if move is None:
move = chess.Move.from_uci(self.human_move)
if move in self.chessboard.legal_moves:
# check for pawn to last row move and prompt player for type of piece conversion wanted
return move
except:
pass
return None
def get_computer_move(self):
if self.use_database:
try:
con_db = self.config['database']
database = get_database_from_file(self.chessboard.fen(), con_db['file_path'], con_db['file_name'])
moves, probabilities = get_fen_moves_and_probabilities(database, self.chessboard.fen())
index = np.searchsorted(probabilities.cumsum(), np.random.rand(), side='left')
return chess.Move.from_uci(moves[index])
except:
pass
if self.use_mcts:
import gc
MCTS_Node.use_nn = self.use_nn
move = mcts_move(self.chessboard)[0]
gc.collect(generation=2)
gc.collect(generation=1)
gc.collect(generation=0)
return move
if self.use_nn:
try:
if self.nn_model is None:
from tensorflow import keras
self.nn_model = keras.models.load_model(self.config['train']['nn_model_path'])
# returns the best k moves
moves, _ = get_nn_moves_and_probabilities([self.chessboard.copy()], self.nn_model)[0]
for m in moves:
if chess.Move.from_uci(m) in self.chessboard.legal_moves:
return chess.Move.from_uci(m)
except:
pass
# if no legal move was generated use alpha beta to find one.
return alpha_beta_move(self.chessboard)
def onclick(self, event):
if event.button() == QtCore.Qt.LeftButton:
if self.chessboard.turn:
if args.whuman:
move = self.human_on_click(event)
if move is None:
return
else:
move = self.get_computer_move()
self.human_first_click = True
print('white:', str(move))
else:
if args.bhuman:
move = self.human_on_click(event)
if move is None:
return
else:
move = self.get_computer_move()
self.human_first_click = True
print('black:', str(move))
self.chessboard.push(move)
self.chessboardSvg = chess.svg.board(self.chessboard).encode("UTF-8")
self.widgetSvg.load(self.chessboardSvg)
if self.chessboard.is_checkmate():
if self.chessboard.turn:
print('Black Wins')
else:
print('White Wins')
if self.chessboard.is_insufficient_material():
print('Draw - insufficient material')
if self.chessboard.is_stalemate():
print('Draw - stalemate')
if event.button() == QtCore.Qt.RightButton: # undo last move
self.chessboard.pop()
self.chessboardSvg = chess.svg.board(self.chessboard).encode("UTF-8")
self.widgetSvg.load(self.chessboardSvg)
if event.button() == QtCore.Qt.MiddleButton:
print(self.chessboard.__repr__())
# self.widgetSvg.update()
# time.sleep(1)
def get_human_move(self, event):
SQUARE_START = 40
SQUARE_SIZE = 115
SQUARES_PER_ROW_COLUMN = 8
def get_square_index(pos):
v = (pos - SQUARE_START) // SQUARE_SIZE
if 0 <= v < SQUARES_PER_ROW_COLUMN:
return v
return None
row = get_square_index(event.x())
if row is None:
return None
row = chr(ord('a') + row)
col = get_square_index(event.y())
if col is None:
return None
col = SQUARES_PER_ROW_COLUMN - col
return str(row) + str(col)
def play(self):
self.widgetSvg.update()
self.show()
time.sleep(1)
for i in range(3):
move = alpha_beta_move(self.chessboard)
self.chessboard.push(move)
self.chessboardSvg = chess.svg.board(self.chessboard).encode("UTF-8")
self.widgetSvg.load(self.chessboardSvg)
self.widgetSvg.update()
time.sleep(1)