Python 调用 ES、Solr、Phoenix的示例代码

#!/usr/bin/env python# -*- coding:utf-8 -*-# *************************************# @Time : 2019/8/12# @Author : Zhang Fan# @Desc : Library# @File : MyDatabases.py# @Update : 2019/8/23# *************************************import elasticsearchimport phoenixdbimport pysolrimport pymysqlclass MyELS(object): ''' =================================================================== ===================== MyELS ========================= =================================================================== ''' def __init__(self): self.els_conn = None def connect_to_els(self, host, port): ''' 连接到ElasticSearch服务器. ''' self.els_conn = elasticsearch.Elasticsearch([{’host’: host, ’port’: port}]) print(’Executing : Connect To Elastic Search | %s’ % self.els_conn) def get_els_data(self, query, index): ''' 获取ElasticSearch数据 ''' print(’Executing : Search | %s’ % query) try: rst = self.els_conn.search(index=index, q=query) return rst[’hits’] except Exception as e: print(’Elastic Search Error | %s’ % e) raise Exception(e)class MyPhoenix(object): ''' =================================================================== ===================== MyPhoenix ====================== =================================================================== ''' def __init__(self): self.phoenix_conn = None self.phoenix_cursor = None def connect_to_phoenix(self, host, port=8765): ''' 连接到phoenix服务器 ''' address = ’http://{0}:{1}/’.format(host, port) print(’Executing : Connect To Phoenix | %s’ % address) self.phoenix_conn = phoenixdb.connect(address, autocommit=True) self.phoenix_cursor = self.phoenix_conn.cursor() def set_schema(self, sql, schema): ''' 设置schema ''' pre_sub, sub, fol_sub = sql.upper().partition(’FROM’) fol_sub = ’ ’ + schema + ’.’ + fol_sub.strip() new_sql = ’’.join([pre_sub, sub, fol_sub]) return new_sql def execute_phoenix_sql(self, sql): ''' 执行sql语句 ''' # sql = self.set_schema(sql, schema) print(’Executing : Execute | %s’ % sql) self.phoenix_cursor.execute(sql) def get_from_phoenix(self, sql): ''' 获取phoenix数据 ''' # sql = self.set_schema(sql, schema) print(’Executing : Query | %s’ % sql) try: self.phoenix_cursor.execute(sql) except Exception as e: print(’Phoenix Error | %s’ % e) raise Exception(e) return self.phoenix_cursor.fetchall() def disconnect_from_phoenix(self): ''' 断开phoenix连接 ''' print(’Executing : Disconnect From HBase’) self.phoenix_cursor.close() self.phoenix_conn.close()class MySolr(object): ''' =================================================================== ===================== MySolr ========================= =================================================================== ''' def __init__(self): self.solr_conn = None self.base_url = None def connect_to_solr(self, address, selector): '''连接到solr服务器. ''' self.base_url = ’http://{0}/solr/{1}/’.format(address, selector) self.solr_conn = pysolr.Solr(self.base_url) print(’Executing : Connect To Solr | %s’ % self.base_url) def get_solr_data(self, query): ''' 获取solr数据 ''' results = list() print(’Executing : Search | %s’ % query) try: items = self.solr_conn.search(query) for item in items:results.append(item) except Exception as e: print(’Solr Error | %s’ % e) raise Exception(e) return results def add_solr_data(self, data): ''' 添加solr数据 ''' print(’Executing : add | %s’ % data) try: self.solr_conn.add([data]) self.solr_conn.commit() except Exception as e: print(’Solr Error | %s’ % e) raise Exception(e) def del_solr_byId(self, data): ''' 删除solr数据 ''' print(’Executing : del | %s’ % data) try: self.solr_conn.delete(id=data) self.solr_conn.commit() except Exception as e: print(’Solr Error | %s’ % e) raise Exception(e)if __name__ == ’__main__’: print(’This is test.’) ms = MySolr() me = MyELS() mp = MyPhoenix()

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