class Kidpawn():
def __init__(self, board_fen: str = None):
if board_fen:
self.b = Board(board_fen)
else:
# Not sure why this is needed.
self.b = Board()
def svg(self):
return self.b._repr_svg_()
def fen(self):
"""Returns board state as a FEN string
"""
return self.b.fen()
def move(self, move: str) -> [bool, str]:
"""Returns true if the move succeeded
"""
try:
self.b.push_uci(move)
return True, f"you moved: {move}"
except ValueError as e:
msg = str(e)
if msg.startswith("illegal uci"):
return False, f"illegal move: {move}. Try something like d2d4 or h7h8q."
else:
return False, f"other error {msg}"
except Exception as e:
traceback.print_exc()
return False, f"unknown error {e}"
def bot_move(self):
"""Computer makes a move herself, and updates the board
"""
m = lookahead1_move(self.b)
if m:
return self.move(m.uci())
else:
return False, "No valid moves"
def game_over_msg(self) -> str:
"""If the game is over, returns a string why.
If game is not over, return blank
"""
if self.b.is_game_over():
return f"Game over: {self.b.result()}"
else:
return None
