#!/usr/bin/env python
# encoding: utf-8
"""
@author: wanwei
@license: (C) Copyright 2013-2017, Node Supply Chain Manager Corporation Limited.
@contact:
@software: pycharm
@file: elasticsearch.py
@time: 2018/10/10 10:38
@desc:
"""
import os
import time
from os import walk
import csv
import json
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],port='9201')
def create_index(self):
'''
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:
'''
with open(csvfile) as f:
data_list = csv.DictReader(f)
for item in data_list:
res = self.es.index(index=self.index_name, doc_type=self.index_type, body=item)
print(res['result'])
def Index_Data(self):
'''
数据存储到es
:return:
'''
list = [{'id_card_no': '44010119900****123', 'disc_person': '0', 'zb': '1', 'id': '08e7589175745d85569c3a97b3c6dae2', 'name': '2', 'update_time': '2018-10-10 15:20:55', 'disc_consume': '1', 'disc_trans': '1', 'execute_person': '0'}]
for item in list:
res = self.es.index(index=self.index_name, doc_type=self.index_type, body=item)
# print(res['created'])
print(res)
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_By_Id(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 Delete_Index(self):
'''
删除index
'''
res = self.es.indices.delete(index=self.index_name, ignore=[400, 404])
print (json.dumps(res, indent=2))
def Get_Data_By_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": {"bool": {"must": [{"match_all": {}}], "must_not": [], "should": []}}, "from": 0, "size": 10,
"sort": [], "aggs": {}}
_searched = self.es.search(index=self.index_name, doc_type=self.index_type, body=doc)
for hit in _searched['hits']['hits']:
print(hit)
obj = ElasticObj("test","test",ip ="x.x.x.x")
#删除索引
obj.Delete_Index()
#按查询参数查询
# obj.Get_Data_By_Body()
#按id查询
# obj.Get_Data_By_Id("be8212c27f091d8c63d33efb1686ba0f")
#创建索引
# obj.create_index()
# obj.Index_Data()
# obj.bulk_Index_Data()
# obj.IndexData()
# obj.Delete_Index_Data_By_Id(1)
# csvfile = 'D:/work/ElasticSearch/exportExcels/2017-08-31_info.csv'
# obj.Index_Data_FromCSV(csvfile)
# obj.GetData(es)
