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Implementing Web Scraping in Python with BeautifulSoup

Last Updated : 26 Jul, 2025

BeautifulSoup is a Python library used for web scraping. It helps parse HTML and XML documents making it easy to navigate and extract specific parts of a webpage. This article explains the steps of web scraping using BeautifulSoup.

1. Send an HTTP Request: Use the requests library to send a request to the webpage URL and get the HTML content in response.
2. Parse the HTML Content: Use a parser like html.parser or html5lib to convert the raw HTML into a structured format (parse tree).
3. Extract Data: Use BeautifulSoup to navigate the parse tree and extract the required data using tags, classes, or IDs.

Now, let’s go through the web scraping process step by step.

Before starting with the steps, make sure to install all the necessary libraries. Run the following commands on command prompt or terminal using pip:

pip install requests
pip install beautifulsoup4

The first step in web scraping is to send an HTTP request to the target webpage and fetch its raw HTML content. This is done using requests library.

import requests

url = "https://www.geeksforgeeks.org/dsa/dsa-tutorial-learn-data-structures-and-algorithms/"
response = requests.get(url)
print(response.text)

Explanation:

• GET request is sent to the URL using requests library.
• .text attribute of the response object returns HTML content of the page as a string.

Note: If you're facing issues like "403 Forbidden" try adding a browser user agent like below. You can find your user agent online based on device and browser.

headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)'}
response = requests.get(url, headers=headers)

Now that we have raw HTML, the next step is to parse it using BeautifulSoup so we can easily navigate and extract specific parts of the content.

from bs4 import BeautifulSoup

soup = BeautifulSoup(response.text, 'html.parser')
print(soup.prettify())  # prints well-formatted HTML

Explanation:

• Passing raw HTML to BeautifulSoup to create a parsed tree structure.
• html.parser is Python's built-in HTML parser.

Note: BeautifulSoup supports different parsers like html.parser, lxml and html5lib. Choose one by specifying it as the second argument.
For Example: soup = BeautifulSoup(response.text, 'html5lib')

Now that the HTML is parsed, specific elements like text, links or images can be extracted by targeting tags and classes using BeautifulSoup methods like .find() or .find_all().

Suppose we want to extract quotes from a website then we will do:

 import requests
from bs4 import BeautifulSoup
url = "https://www.passiton.com/inspirational-quotes"
response = requests.get(url)
soup = BeautifulSoup(response.text, 'html.parser')
quotes = []
quote_boxes = soup.find_all('div', class_='col-6 col-lg-3 text-center margin-30px-bottom sm-margin-30px-top')
for box in quote_boxes:
    quote_text = box.img['alt'].split(" #")
    quote = {
        'theme': box.h5.text.strip(),
        'image_url': box.img['src'],
        'lines': quote_text[0],
        'author': quote_text[1] if len(quote_text) > 1 else 'Unknown'
    }
    quotes.append(quote)
# Display extracted quotes
for q in quotes[:5]:  # print only first 5 for brevity
    print(q) 
  

Explanation:

• soup.find_all(): locates all quote containers based on their class.
• For each quote box box.img['alt'] gives text containing quote lines and author and split(" #") separates the quote from the author.
• A dictionary is created with theme, image_url, lines and author.
• Extracts quotes into a list of dictionaries and prints the first 5 for brevity.

Before extracting data, it’s helpful to inspect the HTML structure using soup.prettify() to find out where the information is written in the code of the page.

For example: quotes is inside a <div> with a specific id or class, we can find it using:

container = soup.find('div', attrs={'id': 'all_quotes'})

find() gets the first <div> that has id="all_quotes".

If there are multiple quote boxes inside that section, we can use:

container.find_all()

Now that the data is extracted, it can be saved into a CSV file for easy storage and future use. Python’s built-in csv module is used to write the data in a structured format.

import csv

filename = "quotes.csv"
with open(filename, mode='w', newline='', encoding='utf-8') as file:
    writer = csv.DictWriter(file, fieldnames=['theme', 'image_url', 'lines', 'author'])
    writer.writeheader()
    for quote in quotes:
        writer.writerow(quote)

Explanation:

• with open() statement creates a new CSV file (quotes.csv) in write mode with UTF-8 encoding.
• csv.DictWriter() sets up a writer object to write dictionaries to the file using specified column headers.
• writer.writeheader() writes the header row to the CSV using the defined field names.
• for loop writes each quote dictionary as a row in the CSV using writer.writerow(quote)

This script scrapes inspirational quotes from the website, parses the HTML content, extracts relevant information and saves the data to a quotes.csv file for later use.

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