def FillinSingleCandidatesStep(self):
""" Look for cells with only 1 candidate and fill them in.
Updates the candidates after finished """
self.ClearHighlights()
dups = sd.FindDuplicates(self.currBoard)
if sd.CheckValid(dups):
prevBoard = deepcopy(self.currBoard)
changed, self.currBoard, self.candBoard = sd.FillSingleCandidates(
self.currBoard, self.candBoard)
if changed:
self.UpdateChangedCells(prevBoard)
dups = sd.FindDuplicates(self.currBoard)
if not sd.CheckValid(dups):
print('Invalid')
self.ShowInvalidCells(dups)
def FillinSingleCandidates(self):
""" Look for cells with only 1 candidate and fill them in
Then update candidates and iterate until no more changes """
self.ClearHighlights()
dups = sd.FindDuplicates(self.currBoard)
if sd.CheckValid(dups):
notdone = True
prevBoard = deepcopy(self.currBoard)
while notdone:
notdone, self.currBoard, self.candBoard = sd.FillSingleCandidates(
self.currBoard, self.candBoard)
self.UpdateChangedCells(prevBoard)
dups = sd.FindDuplicates(self.currBoard)
if not sd.CheckValid(dups):
print('Invalid')
self.ShowInvalidCells(dups)
