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- #!/usr/bin/python
- # -*- coding: UTF-8 -*-
- import sys
- from annoy import AnnoyIndex
- import random
- import pickle
- import json
- length = 100
- u = AnnoyIndex(length,metric="angular")
- u.load('article.ann')
- with open("index_url", "rb+") as f:
- index_url=pickle.load(f)
- with open("article_topics") as f:
- lines=f.readlines()
- lines=[line.strip() for line in lines]
- results=[]
- for line in lines:
- data=json.loads(line)
- url=data["__url"]
- aid=data["article_id"]
- index,distance=u.get_nns_by_item(aid,6,include_distances=True)
- urls=[ "{}\t{}".format(index_url[i],d) for [i,d] in zip(index,distance)]
- results.append("原始url\t{}".format(url))
- results.append("相关推荐")
- results.append("\n".join(urls)+"\n")
-
- with open("relation_article","w") as f :
- f.writelines("\n".join(results))
-
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