def GetMaxId(self, sparse_features):
max_id = 0
for x in sparse_features:
for y in x:
f = sparse_pb2.SparseFeatures()
f.ParseFromString(y)
for i in f.id:
max_id = max(i, max_id)
return max_id
def MakeSparseFeatures(self, ids, weights):
f = sparse_pb2.SparseFeatures()
for i, w in zip(ids, weights):
f.id.append(i)
f.weight.append(w)
return f.SerializeToString()