How to check if an attribute exists in BeautifulSoup?
2 answers
by
orion ,
3 years ago
@diana_barrows You can use the has_attr() method to check if any attribute exists or not in beautifulsoup, code:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
from bs4 import BeautifulSoup soup = BeautifulSoup('<html>' '<body>' ' <p class="wrapper" data-value="content">' ' text' ' </p>' '</body>' '</html>', "html.parser") res = soup.find("p") # Output: True print(res.has_attr('data-value')) |
by
hulda.flatley ,
2 years ago
@diana_barrows
The above code will output True because the data-value attribute exists in the <p> tag.
If you want to check for an attribute in a specific tag, you can use has_attr() directly on that tag.
If you want to check for an attribute in any tag within the soup, you can use find_all() to find all the tags and then loop over them to check the existence of the attribute. Here is an example:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
from bs4 import BeautifulSoup
soup = BeautifulSoup('<html>'
'<body>'
' <p class="wrapper" data-value="content">'
' text'
' </p>'
' <div class="container">'
' <img src="image.jpg" alt="Image">'
' </div>'
'</body>'
'</html>', "html.parser")
# Find all tags in the soup
tags = soup.find_all()
# Check if an attribute 'data-value' exists in any tag
for tag in tags:
if tag.has_attr('data-value'):
print(f"Attribute 'data-value' exists in tag {tag}")
|
This code will output the <p> tag because it has the data-value attribute.
15