python连接oracle导出数据文件

python连接oracle，感觉table_list文件内的表名，来卸载数据文件

主脚本：

'''
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'''
import os
import logging
import sys
import configparser
import subprocess
import cx_Oracle#判断输入参数个数
class param():def check_para(self):if len(sys.argv) != 1:print("请输入正确的参数：yyyymmdd")exit(1)else:print("继续执行")#根据配置文件获取登录信息
class get_dbini():def get_db(self):config=configparser.ConfigParser()filepath="db.ini"if os.path.exists(filepath):config.read_file(open(filepath))dbinfo=[config.get("db_oracle","username"),\config.get("db_oracle","password"),\config.get("db_oracle","ip"),\config.get("db_oracle","dbsid")]else:loginfo.info("没有那个配置文件")sys.exit(4)#声明使用全局变量global username,password,ip,dbsidusername=dbinfo[0]password=dbinfo[1]ip=dbinfo[2]dbsid=dbinfo[3]loginfo.info(username+password+ip+dbsid)#导出表数据
class exp_date():def exp_table(self):with open('table_list','r') as f:list = f.readlines()for i in list:tablename = i.rstrip('\n')exportquery='sqluldr2 user='+username+'/'+password+'@'+ip+':1521/'+dbsid+' query="select * from '+tablename+';" head=no file='+tablename+'.dat field=0x03 record=0x030x0a safe=yes'loginfo.info("开始导出数据: exportquery= "+exportquery)flag= subprocess.check_call(exportquery,shell=True)loginfo.info(flag)#打印日志
class log_set():def logger_set(self):logger=logging.getLogger('mylogger')logger.setLevel(logging.DEBUG)fh=logging.FileHandler('a.log','w')fh.setLevel(logging.INFO)ch=logging.StreamHandler()ch.setLevel(logging.ERROR)formatter = logging.Formatter('%(asctime)s -%(name)s -%(levelname)s - %(message)s')fh.setFormatter(formatter)ch.setFormatter(formatter)logger.addHandler(fh)logger.addHandler(ch)return loggerif __name__=='__main__':loginfo=log_set().logger_set()param().check_para()get_dbini().get_db()exp_date().exp_table()

DB配置文件内容：

db.ini

[db_oracle]
username=c##scott
password=tiger
ip=192.168.1.250
dbsid=orcl

表名字的配置文件：

table_list

BONUS
DEPT
EMP
LEAD_TABLE
SALGRADE
T1
TB_USER
TEST
XGJ
XGJ_2

运行结果：

[oracle@master2 tmp]$ python3 c.py
继续执行
rows exported at 2019-01-22 17:51:51, size 0 MB.output file BONUS.dat closed at 0 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file DEPT.dat closed at 4 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file EMP.dat closed at 12 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file LEAD_TABLE.dat closed at 10 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file SALGRADE.dat closed at 5 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file T1.dat closed at 5 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file TB_USER.dat closed at 10 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file TEST.dat closed at 8 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file XGJ.dat closed at 9 rows, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.
rows exported at 2019-01-22 17:51:52, size 0 MB.output file XGJ_2.dat closed at 8 rows, size 0 MB.

查看日志：

[oracle@master2 tmp]$ more a.log
2019-01-22 17:51:51,858 -mylogger -INFO - c##scotttiger192.168.1.250orcl
2019-01-22 17:51:51,858 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from BONUS;" head=no file=BON
US.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:51,949 -mylogger -INFO - 0
2019-01-22 17:51:51,949 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from DEPT;" head=no file=DEPT
.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,038 -mylogger -INFO - 0
2019-01-22 17:51:52,038 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from EMP;" head=no file=EMP.d
at field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,129 -mylogger -INFO - 0
2019-01-22 17:51:52,129 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from LEAD_TABLE;" head=no fil
e=LEAD_TABLE.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,299 -mylogger -INFO - 0
2019-01-22 17:51:52,300 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from SALGRADE;" head=no file=
SALGRADE.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,401 -mylogger -INFO - 0
2019-01-22 17:51:52,402 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from T1;" head=no file=T1.datfield=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,490 -mylogger -INFO - 0
2019-01-22 17:51:52,490 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from TB_USER;" head=no file=T
B_USER.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,578 -mylogger -INFO - 0
2019-01-22 17:51:52,578 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from TEST;" head=no file=TEST
.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,665 -mylogger -INFO - 0
2019-01-22 17:51:52,665 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from XGJ;" head=no file=XGJ.d
at field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,771 -mylogger -INFO - 0
2019-01-22 17:51:52,771 -mylogger -INFO - 开始导出数据: exportquery= sqluldr2 user=c##scott/tiger@192.168.1.250:1521/orcl query="select * from XGJ_2;" head=no file=XGJ
_2.dat field=0x03 record=0x030x0a safe=yes
2019-01-22 17:51:52,856 -mylogger -INFO - 0

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