Web Scraping With Pandas



Pandas makes it easy to scrape a table (<table> tag) on a web page. After obtaining it as a DataFrame, it is of course possible to do various processing and save it as an Excel file or csv file.

In this article you’ll learn how to extract a table from any webpage. Sometimes there are multiple tables on a webpage, so you can select the table you need.

Related course:Data Analysis with Python Pandas

Pandas web scraping

  1. Web Scraping: This Section helps you to learn Scraping the data and storing the data in our desired Format. Here we will have the data scraped and use parsing of data and store it in Pandas for reference. Helps in Understanding the structure of HTML and Javascript file to parse the data.
  2. Web Scraping using Beautiful Soup. Using Jupyter Notebook, you should start by importing the necessary modules (pandas, numpy, matplotlib.pyplot, seaborn). If you don't have Jupyter Notebook installed, I recommend installing it using the Anaconda Python distribution which is available on the internet.

Using the Python programming language, it is possible to “scrape” data from the web. Pandas has a neat concept known as a DataFrame. A DataFrame can hold data.

Install modules

It needs the modules lxml, html5lib, beautifulsoup4. You can install it with pip.

pands.read_html()

You can use the function read_html(url) to get webpage contents.

The table we’ll get is from Wikipedia. We get version history table from Wikipedia Python page:

Pandas

This outputs:

Because there is one table on the page. If you change the url, the output will differ.
To output the table:

You can access columns like this:

Web Scraping With Pandas Tutorial

Pandas Web Scraping

Once you get it with DataFrame, it’s easy to post-process. If the table has many columns, you can select the columns you want. See code below:

Beautifulsoup To Dataframe

Then you can write it to Excel or do other things:

Web Scraping With Pandas

Related course:Data Analysis with Python Pandas