What is Beautiful Soup?

BeautifulSoup is a python library that offers extensive functionality for parsing HTML pages. In the previous section, you worked with HTML as a string, which imposed significant limitations.

To install BeautifulSoup, execute the following command in your terminal or command prompt:

pip install beautifulsoup4;
To get started, import BeautifulSoup from bs4: from bs4 import BeautifulSoup.


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# Importing the library
from bs4 import BeautifulSoup
print(BeautifulSoup)

This library is designed for working with HTML files and does not handle links. However, you already know how to deal with that using urlopen from urllib.requests. To initiate parsing, you need to provide two parameters to the BeautifulSoup function: the first is the HTML file, and the second is the parser (we will use the built-in html.parser parser). This action will create a BeautifulSoup object. For example, let's open and read a web page.


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# Importing libraries
from bs4 import BeautifulSoup
from urllib.request import urlopen

# Reading web page
url = "https://codefinity-content-media.s3.eu-west-1.amazonaws.com/18a4e428-1a0f-44c2-a8ad-244cd9c7985e/jesus.html"
page = urlopen(url)
html = page.read().decode("utf-8")

# Reading HTML with BeautifulSoup
soup = BeautifulSoup(html, "html.parser")
print(type(soup))
print(soup)

The first method we will explore is .prettify(), which presents the HTML file as a nested data structure.


              123456789101112
            
# Importing libraries
from bs4 import BeautifulSoup
from urllib.request import urlopen

# Reading web page
url = "https://codefinity-content-media.s3.eu-west-1.amazonaws.com/18a4e428-1a0f-44c2-a8ad-244cd9c7985e/jesus.html"
page = urlopen(url)
html = page.read().decode("utf-8")

# Reading HTML with BeautifulSoup
soup = BeautifulSoup(html, "html.parser")
print(soup.prettify())

Everything was clear?

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Section 2. Chapter 1

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Course Content

Web Scraping with Python

1. Getting Acquainted with HTML

2. Decoding HTML with Beautiful Soup

What is Beautiful Soup?Navigating HTML Document Challenge: The BeautifulSoup Object Challenge: Iterating Over Lists Working with Specific Elements Working with Paragraph Elements

3. Working with Element Attributes in Beautiful Soup

Attributes and Contents of Element Challenge: Attributes Attributes and Contents of Multiple Elements Challenge: Text from HTML Elements Advanced Search Challenge: Find All