Description of web Crawler - Phantom JS Virtual Browser + selenium Module Operating Phantom JS

Phantom JS Virtual Browser phantomjs is a headless browser of webkit kernel based on js, that is, a browser without display interface. With this software, you can get any information loaded by web site js, that is, information loaded asynchronously b ...

Posted on Tue, 13 Aug 2019 04:24:49 -0700 by AL-Kateb

[Python] Python 3 Network Crawler Actual Warfare-44, Identification of Verification Code for Point Contact Selection

In the last section, we realized the recognition of the test verification code, but there is another common and widely used test code besides the test. The more representative one is the touch verification code. Maybe you are unfamiliar with the name, but you must have seen similar authentication codes, ...

Posted on Wed, 07 Aug 2019 01:24:17 -0700 by gp177

Python3 Web Crawler Actual-37, Dynamic Rendering Page Grabbing: Selenium

In the previous chapter, we learned about how Ajax is analyzed and grabbed, which is also a case of pages rendered dynamically by JavaScript. By directly analyzing Ajax, we can still use Requests or Urllib to capture data. However, JavaScript dynamically renders more pages than Ajax.For example, China Youth Network: http://news.youth.cn/gn/ , ...

Posted on Tue, 06 Aug 2019 15:16:34 -0700 by wolfrock

Introduction to Python Crawler [14]: All IT eBooks Multithread Crawling

Today, we grab a website, this website, the content is related to netizens'messages and replies, particularly simple, but the website is gov. The website ishttp://www.sjz.gov.cn/col/1490066682000/index.html First of all, in order to learn, no malicious crawl information, believe it or not, I do not ha ...

Posted on Tue, 23 Jul 2019 06:07:31 -0700 by bivaughn

Scrapy+Selenium Crawl Dynamic Rendering Website

Catalog 1. Introduction 2. Install Selenium 3. Install driver 3.1 Chrome 3.2 Firefox 3.3 Other browser-driven Downloads 4.Selenium Use 4.1 Chrome Configuration 4.2 Firefox Configuration 4.3 Do not display the browser-open interface 4.4 Disable browser pop-ups 4.5 driver properties and methods 1. Introduction Selenium is a tool for t ...

Posted on Thu, 18 Jul 2019 12:23:31 -0700 by ruben-

selenium+java cracking polar sliding verification code

abstract Analyze the principle of picture confusion of Verification Code material, and use selenium to simulate the human dragging slider process to crack the Verification Code. The process of manual validation Open the registration page for WeiFeng. https://passport.feng.com/?r=user/register) Move the mouse to the small slider and a complete ...

Posted on Tue, 04 Jun 2019 09:07:49 -0700 by sentback

Python 3 WebSpider_Selenium uses

Selenium Directory: 1 Preparations, 2 Basic Uses, 3 Browser Objects, 4 Access Pages, 5 Find Nodes, 6 Node Interactions, 7 Action Chains, 8 Javascript Execution, 9 Node Information Acquisition, 10 Switching Frame s, 11 Delay Waiting, 12 Forward and Backward, 13 Cookies, 14 Tab Management, 15 Exception Handling 1. Preparation ...

Posted on Sun, 19 May 2019 17:11:23 -0700 by txhoyt

Python crawler introductory tutorial 59-100 python crawler advanced technology verification code 5-pole verification identification technology II

Picture comparison Yesterday's blog has stored pictures locally. The first thing to do today is to compare two pictures and locate the gap between them. Gap picture Complete picture Calculating notch coordinates Comparing all RBG pixels of two pictures, we can get the x value of different pixels, that is, the distance to move. def get_dista ...

Posted on Sun, 19 May 2019 03:00:10 -0700 by colbyg

Angular Unit Testing and Integration Testing

App created with Angular CLI has been configured to test the environment, generating test configuration files and sample code. By default, Angular unit tests use the Jasmine test framework and Karma test runner, and integration tests use the Jasmine test framework and the Proractor end-to-end test framework. unit testing Jasmine is a behavior- ...

Posted on Tue, 07 May 2019 01:45:38 -0700 by n00b Saibot

Laravel Dusk browser testing is more elegant

Welcome to my other concerns Github blog and Brief book Exchange with each other! When you start your application with a Laravel 5.4, Laravel Dusk brings us an API tested in browsers, which gives us a built-in Chrome Driver, and of course other browsers can use Selenium if they want to use it. ] When your environment supports Laravel 5.4, ...

Posted on Sat, 13 Apr 2019 10:24:33 -0700 by fernyburn