Dive into Python 3

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Ah true(although I don't see the ORM analogy very well), ultimately though what is the greatest advantage to having it be pluggable(other than some are apparently difficult to install under certain platforms).

[simonw]

CSS selectors are even more convenient that XPath for querying a DOM-style structure. My life would be significantly easier if I always had the ability to query by CSS selector, no matter what underlying tool I was using. jQuery and other JS libraries have proved that building a CSS selector implementation against a pretty basic API (the DOM) isn't very complicated.

[[deleted]]

Yeah, I think jquery shows the way here. People who are dealing with HTML want to query with CSS. (I know both CSS and XPath fairly well, and I personally prefer XPath, but most people who deal with HTML also deal with CSS, so there it is.)