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Easy multiple search and replace by tag and attribute with BeautifulSoup
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| """ | |
| Sometimes you want to make several different replacements. Search by tag with | |
| optional attributes. Replace with tag with optional attributes. | |
| Thank you to Dan @ University of Exeter for bug fix | |
| """ | |
| from bs4 import BeautifulSoup | |
| REPLACEMENTS = [('b', {}, 'strong', {}), | |
| ('u', {}, 'span', {'class': 'underline'}), | |
| ('i', {}, 'em', {}), | |
| ('font', {'size': '6'}, 'span', {'style': 'font-size:1.5em'})] | |
| def replace_tags(html, replacements=REPLACEMENTS): | |
| soup = BeautifulSoup(html, 'html.parser') | |
| for tag, search_attribs, new_tag, new_attribs in replacements: | |
| for node in soup.find_all(tag, search_attribs): | |
| replacement = soup.new_tag(new_tag, **new_attribs) | |
| replacement.string = node.string | |
| node.replace_with(replacement) | |
| return str(soup) | |
| if __name__ == "__main__": | |
| my_html = """<html><body><p><b>I am strong</b> and | |
| <i>I am emphasized</i> and <u>I am underlined</u> and | |
| <font size="6">I am bigger than everyone else</font> | |
| </p></body></html>""" | |
| revised = replace_tags(my_html, REPLACEMENTS) | |
| print(revised) |
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