def find_next_solution_via_full_search(self, assignments, depth):
result = assignments
result_delta = -1
iterator = OnlyBetterChangesIterator(self.configuration, assignments)
for assignments, delta in iterator.next_change(assignments, depth=3):
if delta > result_delta:
result_delta = delta
result = copy.deepcopy(assignments)
return result
def find_next_solution(self, assignments, depth):
iterator = OnlyBetterChangesIterator(self.configuration, assignments)
for assignments, delta in iterator.next_change(assignments, depth=2):
if delta > 0:
return assignments
for assignments, delta in iterator.next_change(assignments, depth=3):
if delta > 0:
return assignments
for assignments, delta in iterator.next_change(assignments, depth=4):
if delta > 0:
return assignments
return None
