#-*-coding:utf8-*-
2 #此处调试代码...
3 importsys4 importos5 importMySQLdb6 importdatetime7 path1 = (os.getcwd()).split(r‘\test‘)[0]8 sys.path.append(path1+‘\Shop_site_crawler‘)9 from zsl_spider_lib importget_u_sql,get_s_sql,get_i_sql10 importtime11 try:12 conn=MySQLdb.connect(host=‘localhost‘,user=‘root‘,passwd=‘root‘,charset=‘utf8‘)13 conn.select_db(‘scrapy‘)14 except:15 conn=MySQLdb.connect(host=‘rds.com‘,user=‘scrapy‘,passwd=‘passwd‘,charset=‘utf8‘)16 conn.select_db(‘scrapy‘)17 print ‘task build start :‘,datetime.datetime.now()18
19 #----------------分割线-------------------
20 table = ‘shops‘
21 curDate = time.strftime("%Y-%m-%d")22 i ={}23 i[‘uid‘] = 1314520
24 i[‘shop_uri‘] = ‘url‘
25 i[‘shop_name‘] = ‘name‘
26 i[‘nick‘] = ‘nick‘
27 i[‘brand‘] = ‘brand‘
28 i[‘platform‘] =029 i[‘addtime‘] = time.strftime("%Y-%m-%d %H:%M:%S")30 i[‘the_date‘] = time.strftime("%Y-%m-%d")31
32
33 db = conn.cursor()#创建实例
34 conds ={}35 conds[‘shop_name‘] = i[‘shop_name‘]36 conds[‘nick‘] = i[‘nick‘]37 conds[‘the_date‘] =curDate38
39 keys = [‘count(1)‘]40
41 insert_sql =get_i_sql(table,i)42 select_sql =get_s_sql(table,keys,conds)43 update_sql =get_u_sql(table,i,conds)44
45 db.execute(select_sql)#操作数据库
46 res =db.fetchone()47 ifres[0]:48 db.execute(update_sql)49 print ‘----update reday!‘
50 else:51 db.execute(insert_sql)52 print ‘----insert reday!‘
53
54 conn.commit()55 db.close()56 conn.close()
python 判断更新插入数据库
标签：and 数据 commit getcwd getc exec scrapy set task
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