except exception

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Python webdriver api-Read, set configuration file

File structure:Db.ini configuration file for placing DB informationfile [Gloryroad] is section informationThe dbname below is the option informationUiobjectmap.ini placing configuration information for accessing the WebConfigure the XPath element

Python Message Queuing

Message Middleware---> is Message QueuingAsync: Do not need to get results immediately, need to queueSync mode: Need to get data in real time, can't queue up firmlyExample:#多进程模块MultiprocessingFrom multiprocessing import ProcessFrom multiprocessing

Python: Object-oriented and class

process-oriented and object-oriented programming ideas:Object-oriented--object oriented programming, short for OOP, is a programming idea. Before we talk about object-oriented, let's talk about what is the programming paradigm, the programming

python-Exception Handling

Try: Raise Nameerror (' wrong ')Except Nameerror as E: Print (e)Common ExceptionsAttributeerror attempts to access a tree that does not have an object, such as foo.x, but Foo has no attribute xIOError input/output exception; Basically, the

Using Python to parse git log logs sample _python

Using Git to manage the development of the project, git log is a very useful ' historical ' material that needs to come from here and we want to have a custom strong filter for git log. This script is doing this type of task. For a commit in all

Python captures Jingdong book review data _python

Jingdong Book review has a very rich information, which contains the date of purchase, the title, author, Praise, in the evaluation, the difference between the evaluation and so on. Take the purchase date as an example, using Python + MySQL with the

Python uses Pygresql to manipulate PostgreSQL database tutorials _python

PostgreSQL is a powerful open source relational database, this article uses Python to achieve the open source database PostgreSQL Common operations, the development process is as follows: I. Environmental information: 1. Operating system: RedHat

Python uses Paramiko module to implement SSH remote login upload file and execute _python

Program execution requires reading two files Command.txt and ipandpass.txt. The format is as follows: Copy Code code as follows: Command.txt: Threadnum:1 Port:22 Local_dir:hello_mkdir Remote_dir:hello_mkdir

Requests Login to know the new version

#coding: Utf-8 #__author__ = ' Wang ' import time,json,base64 ' ' requests landing know the process: Requests login know the flow: 1> thought to grab the bag, view the user name, The submission address of the password form data, which is the address

Python Error and exception summary __python

Mistakes happen almost every day in a programmer's life. In the past period, errors were either fatal to the program (and possibly the machine), or they produced a whole bunch of meaningless output that could not be identified by other computers or

Python and Sftp__python

Python's sftp function implementation Recently, the company needs to use SFTP for file transmission, try to use Python implementation, the main use of the module is Paramiko. The detailed documentation for this module can refer to the following URL:

Use automated test framework selenium, batch screenshots

Recently, an automated e-mail system is being implemented in which Outlook clients can accept HTML messages. However, because the report I do uses fusioncharts, the Fusioncharts framework is a JS chart library, all charts are rendered through

MYSQLDB Operational Database (iii)

Delete DataDelete A single piece of data#conding=utf-8import MySQLdbimport randomtry: conn = MySQLdb.connect( host = ‘127.0.0.1‘, user = ‘root‘, passwd = "123456", port = 3306) conn.select_db(‘python‘)#

Python connects to MySQL database using the Pymysql module

This article describes the basic use of the third-party library--pymysql that Python3 connects to MySQL.Pymysql is a library used in the python3.x version to connect to the MySQL server, and MySQLdb is used in Python2.You can also use Pymysql to

Crawl the network proxy IP and store it in MySQL database

Demand:Get Web proxy IP information, including IP address, port number, IP typeSo, how to solve this problem?Analyze page structure and URL design to know:The data are all available on this page and there is no separate detail pageNext page by

Python connects to MySQL database

Install and start the MySQL database under Linux and WindowsPython installs the MYSQLDB package, it is recommended to use PIP installationHere's how to use PIP:Yum Install Python-pip (priority installation Python-pip to use PIP)Pip is similar to Yum

Python crawler crawls the name and link of the Watercress movie, respectively, into Txt,excel and database

The precondition is that the environment configuration of the Python operation Excel and the database is complete, this need to install the import dependent package in Python;The implementation of the specific code is as follows:#!/usr/bin/python#-*-

Python3 working with MySQL database

This is the basic MySQL operation under Python3 . Other types of database usage are basically the same. Is that the name of the library is different. Because the python authorities have long ago set up a database of third-party libraries as an

Using Django to clean up data in a database

database, data cleaning problem narrative Description: In the system I used in, because of the history and for various reasons, reason records the data within the database table, there is a problem, there are repeated and incomplete data solution:

Python Traversal Delete log

#! /usr/bin/python2.6#-*-Encoding:utf-8-*-Import OSImport Os.pathImport timeRoot_dir = OS.GETCWD ()Seperator = Os.sepMax_used_space = 60*1024*1024*1024# Start Delete 60G when using hard disk space larger than this valueMin_left_space = 20*1024*1024*1

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