Beautiful soup is a Python library for extracting data from HTML or XML files. It is based on Python, which is relatively slower than Xpath, but is very powerful. This article introduces the basic usage of this library to help you get started quickly. There are a lot of learning materials online. The super detailed […]
Tag: beautifulsoup
21.8 Python using the BeautifulSoup library
BeautifulSoup library is used to extract data from HTML or XML files. It can automatically convert complex HTML documents into tree structures and provide a simple method to search for nodes in the document, allowing us to easily traverse and modify the content of the HTML document. It is widely used in web crawling and […]
urllib+BeautifulSoup crawls and parses 2345 Weather King historical weather data
urllib + BeautifulSoup crawls and parses 2345 Weather King historical weather data Website: Dongcheng Historical Weather Query_Historical Weather Forecast Query_2345 Weather Forecast 1. Code import json import logging import urllib.parse from datetime import date, datetime from random import randint from time import sleep importpymysql from bs4 import BeautifulSoup #Define target URL import requests def weather_req(): […]
[UCAS Natural Language Processing Assignment 1] Use BeautifulSoup to crawl Chinese and English data, calculate entropy, and verify Zip’s law
Article directory Preface Chinese Data crawling Crawl interface Crawl code Data cleaning data analysis Experimental results English Data crawling Crawl interface Dynamic crawling Data cleaning data analysis Experimental results in conclusion Foreword This article crawls Chinese and English corpora respectively, and calculates their corresponding entropy in the two languages to verify Zip’s law. github: ShiyuNee/python-spider […]
Application of BeautifulSoup in data collection
Table of Contents 1. Installation and import of BeautifulSoup library 2. Parsing of HTML or XML documents 1. Directly pass the HTML text string as a parameter to the BeautifulSoup function: 2. Load HTML or XML documents through file paths or URLs: 3. Navigation and Search 1. find() method: Find an element in the document. […]
Add BeautifulSoup4 module for Qemu aarch32
Environment Qemu: 2.8.0 Development board: vexpress-ca9 Overview The previous blog post has enabled our development board to successfully ping Baidu. It is said that Python’s network function is also very powerful, and Beautiful Soup is a library of python, but it is not a standard library, so it needs to be installed separately. The most […]
Python module BeautifulSoup to extract data from HTML or XML files
1. Installation Beautiful Soup is an HTML/XML parser whose main function is how to parse and extract HTML/XML data. lxml will only traverse locally, while Beautiful Soup is based on HTML DOM, which will load the entire document and parse the entire DOM tree, so the time and memory overhead will be much larger, so […]
BeautifulSoup practical use python to convert md files into html web pages
Convert Markdown files to HTML files using Python Previous situation When making web pages, sometimes it is necessary to display md files on the web page, but the operation of embedding the md files into HTML is extremely cumbersome, or some websites have disabled JS for security and user privacy. In this case, it is […]
Basic use of BeautifulSoup
Installation pip install beautifulsoup4 Basic usage from bs4 import BeautifulSoup html = ”’ <div data-v-9db1ecac=”” class=”el-carousel__item” style=”transform: translateX(-8790px) scale(1);”> <div data-v-9db1ecac=”” class=”el-image surface”> <img src=”http://47.108.93.211:8080/file/download/d39ab85078e44021b78562ea56cec475.jpg” alt=”Landscape 3″ class=”el-image__inner”> </div> </div> <div data-v-9db1ecac=”” class=”el-carousel__item” style=”transform: translateX(-7325px) scale(1);”> <div data-v-9db1ecac=”” class=”el-image surface”> <img src=”http://47.108.93.211:8080/file/download/6ea2725186d443e0b527ca56b1ab151b.jpg” alt=”Landscape 2″ class=”el-image__inner”> </div> </div> <div data-v-9db1ecac=”” class=”el-carousel__item” style=”transform: translateX(-5860px) scale(1);”> <div data-v-9db1ecac=”” […]
2. Analysis (xpath, JsonPath, BeautifulSoup)
1.xpath xpath use: Note: Install in advance xpath plug-in (1) open chrome browser (2) Click the small dot in the upper right corner (3) More tools (4) Extension program (5) Drag and drop xpath Plugin into extension (6) if crx The file is invalid, the suffix needs to be modified zip (7) Drag again (8) […]