Beautifulsoup Find

 

The internet is a pool of data and, with the right set of skills, one can use this data in a way to gain a lot of new information. You can always copy paste the data to your excel or CSV file but that is also time-consuming and expensive. Aug 31, 2020 The Findall Function in BeautifulSoup tries to find all the matched Tag and returns a list. Findall (name, attrs, recursive, string, limit,.kwargs) The Function signature of findall is very similar to the find function, the only difference is that it takes one more argument that is the limit. Beautiful Soup is a Python library for pulling data out of HTML and XML files. It works with your favorite parser to provide idiomatic ways of navigating, searching, and modifying the parse tree. It commonly saves programmers hours or days of work. These instructions illustrate all major features of Beautiful Soup 4, with examples. First, import the required modules, then provide the URL and create its requests object that will be parsed by the beautifulsoup object. Now with the help of find function in beautifulsoup we will find the and its corresponding tags. The Findall Function in BeautifulSoup tries to find all the matched Tag and returns a list. Findall (name, attrs, recursive, string, limit,.kwargs) The Function signature of findall is very similar to the find function, the only difference is that it takes one more argument that is the limit.

Web scraping is the technique to extract data from a website.

The module BeautifulSoup is designed for web scraping. The BeautifulSoup module can handle HTML and XML. It provides simple method for searching, navigating and modifying the parse tree.

Related course:
Browser Automation with Python Selenium

Get links from website


The example below prints all links on a webpage:

It downloads the raw html code with the line:

A BeautifulSoup object is created and we use this object to find all links:

Extract links from website into array


To store the links in an array you can use:

Function to extract links from webpage


If you repeatingly extract links you can use the function below:

Related course:
Browser Automation with Python Selenium

Hello friends, welcome to new tutorial which is about Parsing HTML in Python using BeautifulSoup4. Today we will discuss about parsing html in python using BeautifulSoup4. Now question arises that, what is HTML parsing?

  • It simply means extracting data from a webpage.

Here we will use the package BeautifulSoup4 for parsing HTML in Python.

What is BeautifulSoup4?

  • It is a package provided by python library.
  • It is used for extracting data from HTML files. Or we can say using it we can perform parsing HTML in Python.

Installing BeautifulSoup4

  • Here I am using PyCharm. I recommend you using the same IDE.
  • So open PyCharm, Go to file menu and click settings option
  • Click Project Interpreter and press the ‘+’ sign for adding the BeautifulSoup4 package.
  • Select BeautifulSoup4 option and press Install Package.
  • Now BeautifulSoup4 installed successfully.

Importing BeautifulSoup4

  • To use BeautifulSoup4 we need to import it in the code so, Let’s start writing code for importing BeautifulSoup4.
  • So inside your IDE create a new Python File and write the first line as below to import BeautifulSoup.

Beautifulsoup Find_next

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frombs4 importBeautifulSoup

Methods of BeautifulSoup4

1. find_all( ):

  • This method find all the data within a particular tag which is passed to the find_all( ) method. For example see the following line of code.

Beautifulsoup Find Attrs

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print(html.find_all('script'))

Beautifulsoup Find By Xpath

  • The above code will fetch all the script tag from the web page.

Output :

2. prettify( ) :

This method fetch all the HTML contents of a webpage in nice format. So it will basically get the html source code in formatted way so that when we will display it we will see an indented html source.

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print(html.prettify())

Above code generates all the html contents available in the Webpage.

Output :

3. get_text( ) :

This method generates only the entire texts of webpage.

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print(html.get_text())

Output

Filters

Following are the filters which are used for generating data from webpage.

1. string :

  • pass a string in search method and BeautifulSoup will generate all the contents existed within passed string.
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print(html.find_all('script'))
  • Above code will generate the data which are exist within script tag in webpage.
Output :

2. True :

  • It generates all the tags used in webpage.
  • It doesn’t generate the text strings.
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forlink inhtml.find_all(True):

Output :

3. list :

  • If you pass values in the list , BeautifulSoup will fetch the contents that matches with the list values.
Attribute
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print(html.find_all(['li','ul']))
  • Above code will fetch all li and ul tag present in webpage.

Output :

Complete example code for Parsing HTML in Python using BeautifulSoup4

The following code is a complete code for performing parsing html in python using BeautifulSoup4 package