In this lesson we want to learn How to Find all children of an element with BeautifulSoup.
What is BeautifulSoup ?
BeautifulSoup is Python library used for web scraping purposes to extract data from HTML and XML files. it creates parse tree from page source code that can be used to extract data in hierarchical and more readable manner. BeautifulSoup provides several methods to search, navigate and modify parse tree.
Key Features of BeautifulSoup
Beautiful Soup is Python library used for web scraping. it is designed for pulling data out of HTML and XML files. these are some key features:
- Parsing: It can parse HTML and XML documents and turn them into readable and navigable tree structure.
- Searching: It has a lot of built-in methods for searching through the parsed document, like searching for tags, classes and ids also searching for text and etc.
- Modifying: Beautiful Soup allows you to modify tree structure and write modified document back to file.
- Unicode support: It supports Unicode and is able to handle any encoding that can be decoded by Python’s Unicode library.
- Robustness: It is very robust and can handle malformed HTML and XML, which makes it ideal for scraping data from websites with poor quality HTML.
- Speed: It is fast, especially when compared to writing your own custom parsing code.
- Convenient: Beautiful Soup provides convenient way to extract data from HTML and XML files, making it easier to perform web scraping tasks.
How to Install BeautifulSoup
You can install BeautifulSoup using pip package manager in Python. you can use the following command in the terminal/command prompt:
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pip install beautifulsoup4 |
How to Find all children of an element with BeautifulSoup ?
find_all() method in BeautifulSoup can be used to find all children of an element. you can pass the tag name as an argument to find_all() to get all children of particular tag. this is an example:
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from bs4 import BeautifulSoup html_content = """ <html> <body> <div> <p>Paragraph 1</p> <p>Paragraph 2</p> </div> </body> </html> """ soup = BeautifulSoup(html_content, 'html.parser') div_element = soup.find("div") all_paragraphs = div_element.find_all("p") for p in all_paragraphs: print(p.text) |
Run the complete code and this will be the result
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