my code is https://gist.github.com/hoyeunglee/58df4c41a63a2f37e153cbdbc03c16bf
would like to apply itertools.combinations to use redis to use hard disk as memory rather than using ram(real memory) as memory def edge_gen(self): # we combine haplotypes by two for hap0, hap1 in itertools.combinations(self.haplotypes_cache.values(), 2): w = weight.weight("hamming", hap0, hap1) haps_id = hap0.hap_id, hap1.hap_id yield dom.Edge(w, haps_id) -- https://mail.python.org/mailman/listinfo/python-list