def generateindex(self, b=None, s=''):
if b == None:
b = Board()
self.values.update({b.tuplize(): 0.0})
if s == '' or s == b.circle:
next_s = b.cross
else:
next_s = b.circle
for m in b.status['moves']:
b_next = b.copy()
b_next.move(m, next_s)
winner = b_next.winner()
if winner == 'n':
self.generateindex(b_next, next_s)
elif winner == ' ':
value = 0.5
self.values.update({b_next.tuplize(): value})
elif winner == b.cross:
value = 1.0
self.values.update({b_next.tuplize(): value})
else:
value = -1.0
self.values.update({b_next.tuplize(): value})
return self.values
