python脚本如何调用inception

客官°小女子只卖身不卖艺 2024-03-29 15:42 188阅读 0赞

转自：[微点阅读][Link 1] [https://www.weidianyuedu.com][Link 1]

### **导读** ###

接下来的版本各个系统的sql脚本都会放在系统对应的git目录下，开发不再重复提交sql至数据库审核平台。也就是说各套环境的脚本需要运维自己审核后执行，暂时不通过原先审核平台半自动化的方式处理了。

因为时间较短，修改整个审核平台的工作量非常，而且需要更全面的知识储备，所以临时先采用[python脚本][python]的方式去实现审核和执行。

### [**inception**][inception]**部署** ###

可参照网上文档进行操作，没有难度。

### **调用**[**inception**][inception]**时报错** ###

如果使用默认的配置，可能会遇到以下报错：

错误一：

invalid literal for int() with base 10: "Inception2"

这个错误主要是因为connections.py在连接到Inception服务参数解析类型转换的时候有问题，修改下connections.py文件

#781行def _request_authentication(self):# https://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::HandshakeResponse# if int(self.server_version.split(".", 1)[0]) >= 5:#     self.client_flag |= CLIENT.MULTI_RESULTSif self.server_version.split(".", 1)[0] >= "Inception2":    self.client_flag |= CLIENT.MULTI_RESULTSelif int(self.server_version.split(".", 1)[0]) >= 5:    self.client_flag |= CLIENT.MULTI_RESULTS

错误二：

python返回：Must start asbegin statement

pymysql模块会自动向inception发送SHOW WARNINGS语句，而恰好这个warnings被inception捕捉到了，从而导致inception返回一个"Must start as begin statement"错误。

这个问题只能去cursors.py文件件里注释掉self.\_show\_warnings()这行代码并替换成pass，但是这个方法会导致所有调用该pymysql模块的程序不能show warnings。

#352行if not self._defer_warnings:    #self._show_warnings()    pass

### **编写调用脚本** ###

import pymysqlimport sys, osimport timeoperation = "--enable-check"# operation = "--enable-execute;--enable-ignore-warnings;--enable-force"connstr_target = {"host": "XXX", "port": 3306, "user": "root", "password": "XXX", "db": "inception_test", "charset": "utf8"}connstr_inception = {"host": "XXX", "port": 6669, "user": "root", "password": "", "db": "",  "charset": "utf8"}prefix_format = "/*--user={};--password={};--host={};{};--port={};*/ ".format(connstr_target["user"],                                                                                      connstr_target["password"],                                                                                      connstr_target["host"],                                                                                      operation,                                                                                      connstr_target["port"]) \                + "\n" \                + "inception_magic_start;"suffix_format = "inception_magic_commit;"sql_files = []files = os.listdir(os.path.dirname(os.path.abspath(__file__)))for file in files:    ifos.path.splitext(file)[1] == ".sql":        sql_files.append(file)for file in sql_files:    fd = open(file, "r", encoding="utf-8")    sqlFile = fd.read()    fd.close()    sqlFile1=sqlFile.replace("commit;","")    sql_demo1 = sqlFile1    #if sqlCommands[-1] == "":        #sqlCommands.pop(-1)    try:        sql_demo1_with_format = prefix_format + "\n" + sql_demo1 + "\n" + suffix_format        conn_inception = pymysql.connect(host=connstr_inception["host"],                                          port=connstr_inception["port"],                                          user=connstr_inception["user"],                                          password=connstr_inception["password"],                                          charset=connstr_inception["charset"])        cur = conn_inception.cursor()        cur.execute(sql_demo1_with_format)        result = cur.fetchall()        #num_fields = len(cur.description)        #field_names = [i[0] for i in cur.description]        #print(field_names)        for row in result:            if row[2] != 0:                num_fields = len(cur.description)                field_names = [i[0] for i in cur.description]                print("请检查sql脚本："+file)                #print(field_names)                #print(row[0], "|", row[1], "|", row[2], "|", row[3], "|", row[4], "|", row[5], "|", row[6], "|",  row[7], "|",row[8], "|", row[9], "|", row[10])                print("SQL错误信息:"+row[4])                print("SQL具体语句："+row[5])            else:                print("脚本"+file+"审核通过")        cur.close()        conn_inception.close()    except  Exception as err:        print(err)    finally:        print("****************")

###  ###

### **总结** ###

上述脚本还需要继续完善，除了审核外，还需要git clone、sql文件筛选和执行sql文件的脚本。关于易用性的话，先不考虑做web页面，写一个简单guide脚本去实现各脚本间的调用。

[Link 1]: https://www.weidianyuedu.com/
[python]: https://so.csdn.net/so/search?q=python%E8%84%9A%E6%9C%AC&spm=1001.2101.3001.7020
[inception]: https://so.csdn.net/so/search?q=inception&spm=1001.2101.3001.7020