Extracting typed JSON from any web page with a Pydantic schema
This story is from 2026-09-02. It is preserved in the archive; the latest stories are on the live feed.
Parsing product pages with CSS selectors breaks the first time a designer renames a class. The selector-based approach encodes the page's current DOM shape into your code, and that shape is not part of any contract the site owner agreed to. Schema-driven extraction inverts the dependency: you decla…
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- 2026-09-02 13:21 · DEV Community — AI
Extracting typed JSON from any web page with a Pydantic schema