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Linear Algebra

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Extracting attribute values in Beautiful Soup

schedule May 20, 2023

Last updated

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Python●Beautiful Soup

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To extract attributes of elements in Beautiful Soup, use the [~] notation. For instance, el["id"] retrieves the value of the id attribute.

Example

Consider the following HTML document:


        
        
            
                
                
                    my_html = """
    <p id="alex" age="10">Alex</p>
    <p id="bob" age="20">Bob</p>
"""
soup = BeautifulSoup(my_html)

To extract the value of attributes id and age:


        
        
            
                
                
                    for el in soup.find_all("p"):
    print(el["id"] + " - " +  el["age"])
                
            
            alex - 10
bob - 20

WARNING

An error will be thrown if the element does not contain the specified attribute

In order to avoid the error, you can check whether an element contains a specific attribute by calling has_attr(~) first:


        
        
            
                
                
                    for el in soup.find_all("p"):
    if el.has_attr("age"):
        print(el.attrs["age"])

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Published by Isshin Inada

Edited by 0 others

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