except exception

First, the operation needs1. Run the program to list host groups or hosts2. Select the specified host or group3. Choose to have the host or host group execute commands or transfer files to them (upload/download)4. Make full use of multi-threaded or

One, Python operations Excel1, read Excel,xlrd module for reading Excel# book = Xlrd.open_workbook (R ' students.xlsx ')#打开excel# Print (Book.sheet_names ())#获取所有sheet的名字# sheet = book.sheet_by_index (0)#根据sheet页的位置去取sheet# Sheet2 =

Although the application of automation such as puppet saltstack in the environment is now realized, it is unavoidable to write some simple scripts to execute shell commands in batch.Python Paramiko module is currently used more comfortable module,

The company's new two girls have been spit trough this interface test case with Excel maintenance very cost brain trouble, and relatively low (heart very agree but can not overturn their own), Sister said Excel is very troublesome tool, so secretly

This article and everyone to share is mainly python3 in some of the common anomalies and related exception handling, a look at it, hope to learn from you python3 helpful.First, what is an exceptionAn exception is a signal that an error occurs when

Exception HandlingErrors and Exceptions Error: Syntax issues before the program is run, such as: keywords, indents, parentheses not equal Exceptions: Errors that occur during the execution of a program, such as: variable undefined,

import urllib.parse s= ' besttest automation test ' print (Urllib.parse.quote (s)) #url编码 print (Urllib.parse.quote_plus (s)) #url编码, src= ' https://www.baidu.com/s?wd=besttest%20%E8%87%AA%E5%8A%A8%E5%8C%96%E6%B5

Lock ComponentWhen we use multi-process to read and write files, if a process is to write a file, a process is to read the file,If two files are at the same time, it must be impossible to read after the file has been written.Or when multiple

Exception: program run times wrongAbout exception Handling:The programmer compiles a specific code to catch the exception, which is not related to the program logic, but only to exception handling. Capturing succeeds enters another processing branch,

This article introduces a tutorial on using Python's web.py framework to implement a Django-like ORM query, and the integrated ORM Operations database has always been one of Python's most powerful features, and this article explores how to implement

#!/usr/bin/env python#-*-coding:utf-8-*-# @Time: 2017/11/20 16:03# @Author: lijunjiang# @File: Demo.pyimport MyS qldb# Connection Database # Host database ip# Port database Listener # User Database user # passwd users password # DB database name #

MySQL is a good open source database, it is now widely used, so it is necessary to briefly introduce the method of using Python to operate the MySQL database. The Python operations database requires the installation of a third-party module, which is

Python3 connecting MySQLNOTE: the cursor () method is used to create a cursor object that can be used to manipulate additions and deletions.Conn is used to commit () or rollback () after it is finished.Finally remember Cursor.close (), Conn.close ().

There are some exceptions when Python runs, but Python stops when it encounters an exception, but sometimes we need python to run down even when there are exceptions, and we need to use exception handling.1. Simple exception handling such as:print(a)

Group Chat Service SideThe service-side server.py code is as follows:#-*-Coding:utf-8-*-#!/usr/bin/env python # @Time: 2018/5/18 16:05# @Desc: Group chat Server # @File: server.py# @Softwa Re:pycharmimport socket, selecthost = Socket.gethostname ()

MySQL is a good open source database, it is now widely used, so it is necessary to briefly introduce the MySQL database using Python methods. Python operations database requires a third party module to be installed, with downloads and documentation

1. Install Pymysql via PIP to enter the cmd input pip install Pymysql Enter to wait for the installation to complete, the installation is complete after the relevant information, indicating that the installation was successful. 2. Test Connection

Querying DataWhen you execute a query SQL statement using the Execute () function, you get only the number of rows affected, and you don't really get what we're querying. It doesn't matter, there are three ways to extract data in cursor cursors:

Directed crawl Geek College video, originally only annual fee VIP can only download, after analysis, just find a free experience VIP can crawl all video Basic techniques involved: Python XPath regular COM + Call Thunderbolt from the

1. The SDK return value is not an INT type 1.1 login function calldef Login (IP, port, username, password, device_info, Error_code):"""Llong Client_login (Char *pchdvrip, WORD Wdvrport,Char *pchusername, Char *pchpassword,Lpnet_deviceinfo