Python Tutorials

Python - Working Code Sample for Requests/Beautiful Soup/Selenium

Working Code Sample for Requests/Beautiful Soup/Selenium in Python 

In order to illustrate how these libraries might be used for online scraping, let's look at a little example in which we will use Requests to download a URL, Beautiful Soup to parse the material, and Selenium to interact with a page that needs JavaScript in order to present its content.

Requests and Beautiful Soup Example


import requests
from bs4 import BeautifulSoup

# Use Requests to fetch the web page content
url = 'http://example.com/'
response = requests.get(url)

# Use Beautiful Soup to parse the HTML content
soup = BeautifulSoup(response.text, 'html.parser')

# Find and print the 'h1' tag from the parsed content
h1_tag = soup.find('h1')
print("H1 Tag using Requests and Beautiful Soup:", h1_tag.text)

In this example, the HTML is parsed using Beautiful Soup and the content of http://example.com/ is fetched using Requests. After that, we take the text out of the tag and print it.

Selenium Example

For Selenium, we'll launch a webpage and simulate a click on a button that, for example, dynamically loads more material.



from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.chrome.service import Service
from webdriver_manager.chrome import ChromeDriverManager

# Set up Selenium WebDriver
service = Service(ChromeDriverManager().install())
driver = webdriver.Chrome(service=service)

# Open a webpage
driver.get('http://example.com/')

# Example: Find a button by its ID and click it
# button = driver.find_element(By.ID, 'loadMoreButton')
# button.click()

# Close the browser
driver.quit()



 



First, we set up the Chrome WebDriver in this Selenium example (note that you can need to install the webdriver-manager package). Next, we launch a browser window and navigate to http://example.com/. More dynamic content loading is possible with the help of the commented-out lines, which demonstrate how to locate a button by its ID and mimic a click.

In contrast, adding Selenium enables you to scrape data from dynamic websites that primarily rely on JavaScript. Requests and Beautiful Soup together are a potent combination for static web pages.

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Python

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Working Code Sample for Requests/Beautiful Soup/Selenium in Python 

In order to illustrate how these libraries might be used for online scraping, let's look at a little example in which we will use Requests to download a URL, Beautiful Soup to parse the material, and Selenium to interact with a page that needs JavaScript in order to present its content.

Requests and Beautiful Soup Example


python
import requests
from bs4 import BeautifulSoup

# Use Requests to fetch the web page content
url = 'http://example.com/'
response = requests.get(url)

# Use Beautiful Soup to parse the HTML content
soup = BeautifulSoup(response.text, 'html.parser')

# Find and print the 'h1' tag from the parsed content
h1_tag = soup.find('h1')
print("H1 Tag using Requests and Beautiful Soup:", h1_tag.text)

In this example, the HTML is parsed using Beautiful Soup and the content of http://example.com/ is fetched using Requests. After that, we take the text out of the tag and print it.

Selenium Example

For Selenium, we'll launch a webpage and simulate a click on a button that, for example, dynamically loads more material.



python
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.chrome.service import Service
from webdriver_manager.chrome import ChromeDriverManager

# Set up Selenium WebDriver
service = Service(ChromeDriverManager().install())
driver = webdriver.Chrome(service=service)

# Open a webpage
driver.get('http://example.com/')

# Example: Find a button by its ID and click it
# button = driver.find_element(By.ID, 'loadMoreButton')
# button.click()

# Close the browser
driver.quit()



 



First, we set up the Chrome WebDriver in this Selenium example (note that you can need to install the webdriver-manager package). Next, we launch a browser window and navigate to http://example.com/. More dynamic content loading is possible with the help of the commented-out lines, which demonstrate how to locate a button by its ID and mimic a click.

In contrast, adding Selenium enables you to scrape data from dynamic websites that primarily rely on JavaScript. Requests and Beautiful Soup together are a potent combination for static web pages.

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Frequently Asked Questions for Python

Python is commonly used for developing websites and software, task automation, data analysis, and data visualisation. Since it's relatively easy to learn, Python has been adopted by many non-programmers, such as accountants and scientists, for a variety of everyday tasks, like organising finances.


Python's syntax is a lot closer to English and so it is easier to read and write, making it the simplest type of code to learn how to write and develop with. The readability of C++ code is weak in comparison and it is known as being a language that is a lot harder to get to grips with.

Learning Curve: Python is generally considered easier to learn for beginners due to its simplicity, while Java is more complex but provides a deeper understanding of how programming works. Performance: Java has a higher performance than Python due to its static typing and optimization by the Java Virtual Machine (JVM).

Python can be considered beginner-friendly, as it is a programming language that prioritizes readability, making it easier to understand and use. Its syntax has similarities with the English language, making it easy for novice programmers to leap into the world of development.

To start coding in Python, you need to install Python and set up your development environment. You can download Python from the official website, use Anaconda Python, or start with DataLab to get started with Python in your browser.

Learning Curve: Python is generally considered easier to learn for beginners due to its simplicity, while Java is more complex but provides a deeper understanding of how programming works.

Python alone isn't going to get you a job unless you are extremely good at it. Not that you shouldn't learn it: it's a great skill to have since python can pretty much do anything and coding it is fast and easy. It's also a great first programming language according to lots of programmers.

The point is that Java is more complicated to learn than Python. It doesn't matter the order. You will have to do some things in Java that you don't in Python. The general programming skills you learn from using either language will transfer to another.


Read on for tips on how to maximize your learning. In general, it takes around two to six months to learn the fundamentals of Python. But you can learn enough to write your first short program in a matter of minutes. Developing mastery of Python's vast array of libraries can take months or years.


6 Top Tips for Learning Python

  • Choose Your Focus. Python is a versatile language with a wide range of applications, from web development and data analysis to machine learning and artificial intelligence.
  • Practice regularly.
  • Work on real projects.
  • Join a community.
  • Don't rush.
  • Keep iterating.

The following is a step-by-step guide for beginners interested in learning Python using Windows.

  • Set up your development environment.
  • Install Python.
  • Install Visual Studio Code.
  • Install Git (optional)
  • Hello World tutorial for some Python basics.
  • Hello World tutorial for using Python with VS Code.

Best YouTube Channels to Learn Python

  • Corey Schafer.
  • sentdex.
  • Real Python.
  • Clever Programmer.
  • CS Dojo (YK)
  • Programming with Mosh.
  • Tech With Tim.
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Python can be written on any computer or device that has a Python interpreter installed, including desktop computers, servers, tablets, and even smartphones. However, a laptop or desktop computer is often the most convenient and efficient option for coding due to its larger screen, keyboard, and mouse.

Write your first Python programStart by writing a simple Python program, such as a classic "Hello, World!" script. This process will help you understand the syntax and structure of Python code.

  • Google's Python Class.
  • Microsoft's Introduction to Python Course.
  • Introduction to Python Programming by Udemy.
  • Learn Python - Full Course for Beginners by freeCodeCamp.
  • Learn Python 3 From Scratch by Educative.
  • Python for Everybody by Coursera.
  • Learn Python 2 by Codecademy.

  • Understand why you're learning Python. Firstly, it's important to figure out your motivations for wanting to learn Python.
  • Get started with the Python basics.
  • Master intermediate Python concepts.
  • Learn by doing.
  • Build a portfolio of projects.
  • Keep challenging yourself.

Top 5 Python Certifications - Best of 2024
  • PCEP (Certified Entry-level Python Programmer)
  • PCAP (Certified Associate in Python Programmer)
  • PCPP1 & PCPP2 (Certified Professional in Python Programming 1 & 2)
  • Certified Expert in Python Programming (CEPP)
  • Introduction to Programming Using Python by Microsoft.

The average salary for Python Developer is ₹5,55,000 per year in the India. The average additional cash compensation for a Python Developer is within a range from ₹3,000 - ₹1,20,000.

The Python interpreter and the extensive standard library are freely available in source or binary form for all major platforms from the Python website, https://www.python.org/, and may be freely distributed.

If you're looking for a lucrative and in-demand career path, you can't go wrong with Python. As one of the fastest-growing programming languages in the world, Python is an essential tool for businesses of all sizes and industries. Python is one of the most popular programming languages in the world today.

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