def rank(self, item, reverse=False):
        fn = reverse and self.database.zrevrank or self.database.zrank
        return fn(self.key, item)
Creates a unique file name based on the specified base name.
dataset/ETHPy150Open coleifer/walrus/walrus/containers.py/ZSet.rank--crossover with--dataset/ETHPy150Open devttys0/binwalk/src/binwalk/core/common.py/unique_file_name