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BeautifulSoup Scraping Pitfalls: None Errors, CSS Selectors, Parsers, Relative URLs and Price Text

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Self-Hosting & Infra beginner 6 min read $0.01 Updated 2026-10-20

Executed with BeautifulSoup 4 and lxml: select and select_one results, AttributeError on None, get with defaults, urljoin for hrefs, get_text with strip, how unclosed tags and tables parse, and converting $1,299.00 to a float.

Extract data from HTML reliably: select with CSS, guard against missing elements, resolve relative links, clean price strings, choose a parser and know that JavaScript-rendered content will not be there.

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