[Learn Python step by step] 8. Object-oriented core-type (below)

1. Construct and initialize objects __init__The method is Python's built-in magic methods (what is the magic method ?) The most common one is that we can use this method to define the initial operations of an object. When a constructor is called,

Common WebDriver operations controlled by Python scripts & lt; 6 & gt; print the title and url of the current page

The following uses WebDriver to promise the title and address of the browser page.     In the test, it is very common to visit a page and determine whether the title meets expectations: Assume that the title of a page should be 'Hello

Common WebDriver operations controlled by Python scripts & lt; 10 & gt; hierarchical Positioning

The following uses WebDriver to simulate operations on a hierarchical positioning element.   In actual project tests, there is often a need to: there are many elements with the same attributes on the page, and now you need to locate one of them.

[Learn Python step by step] 13. Basic file I/O

File I/O is one of the most important technologies in Python. It is very simple to perform I/O operations on files in Python.1. open the file UseopenFunction to open the file. The syntax is as follows: open(name[, mode[, buffering]])  1.1 file

Common WebDriver operations controlled by Python scripts & lt; thirteen & gt; process the button group Layer

The following button uses webdriver to locate the same Layer   A button group is a button group that groups buttons. The idea of dealing with such objects is generally to first find the wrapper div of the button group, then locate the more specific

Common WebDriver operations controlled by Python scripts & lt; 26 & gt; upload files

The method for uploading files is to find the object to upload files, which is usually an object. Then, directly import the correct path of the file to be uploaded to the send_keys object. Both absolute and relative paths are acceptable, but the

Metadata in Django

I am confused when I look at the source code of Form related to Django (1.6). So I excerpted several code snippets in django. forms. py to analyze how to use the Meta class in Django: with_metaclass(meta, * meta( ( %

Use Python3 yield

Yield is used to convert a function into a generator. A function with yield is no longer a common function. The Python interpreter regards it as a generator. Simple Example: # Encoding: UTF-8def yield_test (n): for I in range (n): yield call (I)

Install Jython on Mac

1> Click the jython2.7b1. jar to install. 2> set the path in/etc/profile or ~ /. Bash_profile # Jython Export JYTHON_HOME =/Users/Siro/jython2.7b1Export JYTHONPATH = $ JYTHON_HOME/Lib # PathExport PATH = $ JAVA_HOME/bin: $ JYTHON_HOME: $ PATH 3>

Python is integrated with ASP framework

I. ASP is like ASP. Many people say that "asp is a tough language, it cannot be object-oriented, it has a single function, and many things cannot be implemented. The above statements are all incorrect. ASp is not a language, but a web framework that

Sorting Algorithm learning, python implementation

Several Basic sorting methods were implemented using python on Saturday and weekend. The code was directly written. This article does not focus on the basic knowledge, but only provides a rough description. If you are not clear about the concept,

Python beginner -- V_Rename (the first complete python Program)

I was very interested in python when I was a freshman, that is, I had no time or opportunity to learn, just to understand some superficial things, when I sorted out my computer this morning, I found that the file name in the folder was like this,

Python -- uuid -- string split -- join (list)

Uuid can be used to redeem various free activities. #! /Usr/bin/env python #-*-coding: UTF-8-*-import uuidfor I in xrange (0, 3): code = str (uuid. uuid1 () print code # ab275e30-5d8e-11e3-8d93-206a8a654ece abc = code. split ('-') print abc # ['

Python built-in type

I. Overview of Python built-in types: (1) Main data types include: Numerics (number), sequences (sequence), ings (ing), classes, instances and exception. (2) Features: All standard objects can be used for Boolean testing, compared between the same

Python module introduction-shutil advanced file operations

Introduction The shutil module provides advanced operations for a large number of files. Especially for file copying and deletion, the main functions are directory and file operations and compression operations. For operations on a single file, see

Python Regular Expression examples

Example 1. determines whether all strings are lowercase letters. find out the full spelling of acronyms in a sentence. remove the comma (for example, 123,345,000) in the number from the syntax regular character interpretation example + the previous

Python simulated login to Sina Weibo

1. Main Function (WeiboMain. py): import urllib2import cookielib import WeiboEncodeimport WeiboSearch if _ name _ = '_ main _': weiboLogin = WeiboLogin ('××× @ gmail.com ', ××××') # email (account) and password if weiboLogin. login () = True: print "

Python group email

I tried to send an email via Python today. I suddenly thought I could send an email in a group? Group mail is a bug in smtplib, but it is finally solved. Code directly Import smtplibmsg = MIMEMultipart () # construct the attachment 1att1 = MIMEText

Monitor Linux servers with Python scripts

Currently, some Linux system monitoring tools, such as inotify-sync (File System security monitoring software) and glances (resource monitoring tool), are written in Python, the Linux system administrator can compile a simple and practical script to

Python crawls Discuz! User name script

I recently learned Python, so I used Python to write a piece of Discuz! Script of the user name. The code is very small, but very confusing. The idea is simple, that is, RegEx matches the title and extracts the user name to write it to the text

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