Othello program code comments 

import numpy as np

from othello.OthelloUtil import getValidMoves, executeMove, isValidMove, isEndGame

# code

# codebot

BLACK = 1

WHITE = -1

class OthelloGame(np.ndarray):

def __new__(cls, n):

return super().__new__(cls, shape=(n,n), dtype='int')

def __init__(self, n):

self.n=n

self.current_player=BLACK

self[np.where(self!=0)]=0

self[int(n/2)][int(n/2)]=WHITE

self[int(n/2)-1][int(n/2)-1]=WHITE

self[int(n/2)-1][int(n/2)]=BLACK

self[int(n/2)][int(n/2)-1]=BLACK

def move(self, position):

if isValidMove(self, self.current_player, position):

executeMove(self, self.current_player, position)

self.current_player=-self.current_player

else:

raise Exception('invalid move')

def play(self, black, white, verbose=True):

while isEndGame(self) == None:

if verbose:

print('{:#^30}'.format( ' Player '+str(self.current_player)+' ' ))

self.showBoard()

if len(getValidMoves(self, self.current_player))==0:

if verbose:

print('no valid move, next player')

self.current_player=-self.current_player

continue

if self.current_player==WHITE:

position=white.getAction(self.clone(), self.current_player)

else:

position=black.getAction(self.clone(), self.current_player)

try:

self.move(position)

except:

if verbose:

print('invalid move', end=' ')

continue

if verbose:

print('---------- Result ----------', end=' ')

self.showBoard()

print()

print('Winner:', isEndGame(self))

return isEndGame(self)

def showBoard(self):

corner_offset_format='{:^'+str(len(str(self.n))+1)+'}'

print(corner_offset_format.format(''), end='')

for i in range(self.n):

print('{:^3}'.format( chr(ord('A')+i) ), end='')

print()

print(corner_offset_format.format(''), end='')

for i in range(self.n):

print('{:^3}'.format('-'), end='')

print()

for i in range(self.n):

print(corner_offset_format.format(i+1), end='')

for j in range(self.n):

if isValidMove(self, self.current_player, (i,j)):

print('{:^3}'.format(''), end='')

else:

print('{:^3}'.format(self[i][j]), end='')

print()

def clone(self):

new=self.copy()

new.n=self.n

new.current_player=self.current_player

return new