官方文档:https://elasticsearch-py.readthedocs.io/en/master/
1、介绍
python提供了操作ElasticSearch 接口,因此要用python来操作ElasticSearch,首先要安装python的ElasticSearch包,用命令pip install elasticsearch安装或下载安装:https://pypi.python.org/pypi/elasticsearch/5.4.0
2、创建索引
假如创建索引名称为ott,类型为ott_type的索引,该索引中有五个字段:
title:存储中文标题,
date:存储日期格式(2017-09-08),
keyword:存储中文关键字,
source:存储中文来源,
link:存储链接,
创建映射:
3、索引数据
批量索引
利用bulk批量索引数据
4、查询索引
5、删除数据
6、完整代码
#coding:utf8 import os import time from os import walk import CSVOP from datetime import datetime from elasticsearch import Elasticsearch from elasticsearch.helpers import bulk class ElasticObj: def __init__(self, index_name,index_type,ip ="127.0.0.1"): ''' :param index_name: 索引名称 :param index_type: 索引类型 ''' self.index_name =index_name self.index_type = index_type # 无用户名密码状态 #self.es = Elasticsearch([ip]) #用户名密码状态 self.es = Elasticsearch([ip],http_auth=('elastic', 'password'),port=9200) def create_index(self,index_name="ott",index_type="ott_type"): ''' 创建索引,创建索引名称为ott,类型为ott_type的索引 :param ex: Elasticsearch对象 :return: ''' #创建映射 _index_mappings = { "mappings": { self.index_type: { "properties": { "title": { "type": "text", "index": True, "analyzer": "ik_max_word", "search_analyzer": "ik_max_word" }, "date": { "type": "text", "index": True }, "keyword": { "type": "string", "index": "not_analyzed" }, "source": { "type": "string", "index": "not_analyzed" }, "link": { "type": "string", "index": "not_analyzed" } } } } } if self.es.indices.exists(index=self.index_name) is not True: res = self.es.indices.create(index=self.index_name, body=_index_mappings) print res def IndexData(self): es = Elasticsearch() csvdir = 'D:/work/ElasticSearch/exportExcels' filenamelist = [] for (dirpath, dirnames, filenames) in walk(csvdir): filenamelist.extend(filenames) break total = 0 for file in filenamelist: csvfile = csvdir + '/' + file self.Index_Data_FromCSV(csvfile,es) total += 1 print total time.sleep(10) def Index_Data_FromCSV(self,csvfile): ''' 从CSV文件中读取数据,并存储到es中 :param csvfile: csv文件,包括完整路径 :return: ''' list = CSVOP.ReadCSV(csvfile) index = 0 doc = {} for item in list: if index > 1:#第一行是标题 doc['title'] = item[0] doc['link'] = item[1] doc['date'] = item[2] doc['source'] = item[3] doc['keyword'] = item[4] res = self.es.index(index=self.index_name, doc_type=self.index_type, body=doc) print(res['created']) index += 1 print index def Index_Data(self): ''' 数据存储到es :return: ''' list = [ { "date": "2017-09-13", "source": "慧聪网", "link": "http://info.broadcast.hc360.com/2017/09/130859749974.shtml", "keyword": "电视", "title": "付费 电视 行业面临的转型和挑战" }, { "date": "2017-09-13", "source": "中国文明网", "link": "http://www.wenming.cn/xj_pd/yw/201709/t20170913_4421323.shtml", "keyword": "电视", "title": "电视 专题片《巡视利剑》广获好评:铁腕反腐凝聚党心民心" } ] for item in list: res = self.es.index(index=self.index_name, doc_type=self.index_type, body=item) print(res['created']) def bulk_Index_Data(self): ''' 用bulk将批量数据存储到es :return: ''' list = [ {"date": "2017-09-13", "source": "慧聪网", "link": "http://info.broadcast.hc360.com/2017/09/130859749974.shtml", "keyword": "电视", "title": "付费 电视 行业面临的转型和挑战" }, {"date": "2017-09-13", "source": "中国文明网", "link": "http://www.wenming.cn/xj_pd/yw/201709/t20170913_4421323.shtml", "keyword": "电视", "title": "电视 专题片《巡视利剑》广获好评:铁腕反腐凝聚党心民心" }, {"date": "2017-09-13", "source": "人民电视", "link": "http://tv.people.com.cn/BIG5/n1/2017/0913/c67816-29533981.html", "keyword": "电视", "title": "中国第21批赴刚果(金)维和部隊启程--人民 电视 --人民网" }, {"date": "2017-09-13", "source": "站长之家", "link": "http://www.chinaz.com/news/2017/0913/804263.shtml", "keyword": "电视", "title": "电视 盒子 哪个牌子好? 吐血奉献三大选购秘笈" } ] ACTIONS = [] i = 1 for line in list: action = { "_index": self.index_name, "_type": self.index_type, "_id": i, #_id 也可以默认生成,不赋值 "_source": { "date": line['date'], "source": line['source'].decode('utf8'), "link": line['link'], "keyword": line['keyword'].decode('utf8'), "title": line['title'].decode('utf8')} } i += 1 ACTIONS.append(action) # 批量处理 success, _ = bulk(self.es, ACTIONS, index=self.index_name, raise_on_error=True) print('Performed %d actions' % success) def Delete_Index_Data(self,id): ''' 删除索引中的一条 :param id: :return: ''' res = self.es.delete(index=self.index_name, doc_type=self.index_type, id=id) print res def Get_Data_Id(self,id): res = self.es.get(index=self.index_name, doc_type=self.index_type,id=id) print(res['_source']) print '------------------------------------------------------------------' # # # 输出查询到的结果 for hit in res['hits']['hits']: # print hit['_source'] print hit['_source']['date'],hit['_source']['source'],hit['_source']['link'],hit['_source']['keyword'],hit['_source']['title'] def Get_Data_By_Body(self): # doc = {'query': {'match_all': {}}} doc = { "query": { "match": { "keyword": "电视" } } } _searched = self.es.search(index=self.index_name, doc_type=self.index_type, body=doc) for hit in _searched['hits']['hits']: # print hit['_source'] print hit['_source']['date'], hit['_source']['source'], hit['_source']['link'], hit['_source']['keyword'], hit['_source']['title'] obj =ElasticObj("ott","ott_type",ip ="47.93.117.127") # obj = ElasticObj("ott1", "ott_type1") # obj.create_index() obj.Index_Data() # obj.bulk_Index_Data() # obj.IndexData() # obj.Delete_Index_Data(1) # csvfile = 'D:/work/ElasticSearch/exportExcels/2017-08-31_info.csv' # obj.Index_Data_FromCSV(csvfile) # obj.GetData(es)
总结
以上所述是小编给大家介绍的Python 操作 ElasticSearch的完整代码,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的!
华山资源网 Design By www.eoogi.com
广告合作:本站广告合作请联系QQ:858582 申请时备注:广告合作(否则不回)
免责声明:本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除!
免责声明:本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除!
华山资源网 Design By www.eoogi.com
暂无评论...
更新日志
2024年11月15日
2024年11月15日
- 令晴 Lynn《The Make》[320K/MP3][44.47MB]
- 令晴 Lynn《The Make》[Hi-Res][24bit 48kHz][FLAC/分轨][295.42MB]
- 雷婷《移情别恋HQⅡ》头版限量编号[低速原抓WAV+CUE][1G]
- FUNDAMENTAL.1989-感觉号渡轮【SONY】【WAV+CUE】
- 上山安娜.1986-上山安娜【EMI百代】【WAV+CUE】
- 张真.1993-失恋十四行【上华】【WAV+CUE】
- 钟明秋《爱有天意HQCD》[低速原抓WAV+CUE]
- 孙云岗唢呐《金声玉振[HIFI珍藏版]》[低速原抓WAV+CUE]
- 谭艳精讯TEST-CD试音39号》2CD[DTS-WAV]
- 姚璎格《发烧女中音》DSD版[低速原抓WAV+CUE][1G]
- 张玮伽《微风细雨DSD》发烧大碟[WAV+CUE][1.1G]
- 群星《2024好听新歌14》十倍音质 U盘音乐 [WAV分轨][966M]
- s14全球总决赛T1战队队员都有谁 LOLs14全球总决赛T1战队介绍
- 英雄联盟faker身价有10亿吗 英雄联盟faker身价介绍一览
- faker大魔王称号怎么来的 faker大魔王称号来源介绍