def __call__(self, model):
# For each cell, for each value for each dim:
# remove value as a possible from each adjacent cell.
for cell in model.cells:
self._checkAbort()
cellsR = model.getCellsForRow(cell)
cellsC = model.getCellsForCol(cell)
for index, row in enumerate(cell.rows):
known = aRow(row).knowns()
if len(list(known))>0:
self._checkAbort()
for cell_ in cellsR:
row_ = cell_.getRow(index)
for element in row_:
if not element.hasValue():
possibles = element.getPossibles()
element.setPossibles(possibles-known)
for index, col in enumerate(cell.cols):
known = aCol(col).knowns()
if len(list(known))>0:
for cell_ in cellsC:
self._checkAbort()
col_ = cell_.getCol(index)
for element in col_:
if not element.hasValue():
possibles = element.getPossibles()
element.setPossibles(possibles-known)
def __callOLD__(self, model, vertex, altVertex):
print model.prettyprint()
allXwings = collections.defaultdict(list)
for value in model.unknowns():
for rr in xrange(model._maxSize):
xwings = collections.defaultdict(list)
r = aRow(model.findElementsForRow(rr))
unknownCounts = r.unknownCounts()
if value in unknownCounts.keys():
if len(unknownCounts[value])==2:
# Now look in the other vertex (cols) for these
# coords.
cols = [elUref.absCol for elUref in unknownCounts[value]]
# Get the 2 columns and see if any of 'value' appear in the
# columns on the same row index.
cols0 = aCol(model.findElementsForCol(cols[0]))
cols1 = aCol(model.findElementsForCol(cols[1]))
try:
uc0 = cols0.unknownCounts()
uc1 = cols1.unknownCounts()
if ((len(uc0[value])>=2) and
(len(uc1[value])>=2) ):
# Now see if the index's overlap on at least 2:
# At least 2 uRef's from uc0 should be same row as uc1:
rows_ = []
for i in uc0[value]:
iR = i.absRow
for k in uc1[value]:
kR = k.absRow
if iR==kR:
rows_.append(([i.absCol, k.absCol], iR))
# Now make sure 'value' is only present twice in each
# rows' possible values.
for (cols, row) in rows_:
tRow = aRow(model.findElementsForRow(row))
c = tRow.countPossibleValues()
if c[value]==2:
# print "'%s' is present twice in row: %s"%(value, row)
if row not in xwings[value]:
xwings[value].append(row)
except Exception, _e:
# no luck!
pass
voo = Set(xwings[value])
if voo not in allXwings[value]:
allXwings[value].append(voo)
def __call__(self, model):
for digits in xrange(2, model._maxSize):
# print model.prettyprint()
# Work on cells first:
for cell in model.cells:
unknownElements = cell.getUnknownElements()
self._work(unknownElements, digits)
# print model.prettyprint()
# Now work on rows:
for row in model.getElementRows():
row = aRow(row)
unknownElements = row.getUnknownElements()
self._work(unknownElements, digits)
# print model.prettyprint()
# Now work on cols:
for col in model.getElementCols():
col = aCol(col)
unknownElements = col.getUnknownElements()
self._work(unknownElements, digits)
# print "> %s"%k
# Now fix the xwings:
for value, i in newXwings.items():
for k in i:
for j in k:
j = list(j)
# Got an xwing in rows, so get the cols for 'value':
# print "value: %s in rows: %s"%(value, j)
r = j[0]
row = aRow(model.findElementsForRow(r))
# Get the cols for both possibleValues=value:
cols = []
for col, el in enumerate(row):
if not el.hasValue():
possibles = el.getPossibles()
if value in possibles:
cols.append(aCol(model.findElementsForCol(col)))
# print cols
# Now remove 'value' from the cols possibles EXCEPT
# from rows in j.
for col in cols:
for index, el in enumerate(col):
if index not in j:
if not el.hasValue():
possibles = el.getPossibles()
newPossibles = possibles-Set([value])
el.setPossibles(newPossibles)
print "Fixed xwing for value: %s in cols: %s"%(value, j)
