On 2018-03-30, Stefan Behnel <stefan...@behnel.de> wrote: > Neil Cerutti schrieb am 30.03.2018 um 15:50: >> On 2018-03-30, Stefan Behnel wrote: >>> I admit that I'm being a bit strict here, there are certainly >>> cases where parsing the namespace from a tag is a sensible >>> thing to do. I'm really just saying that most of the time, when >>> you feel the need to do that, it's worth reconsidering (or >>> asking) if you are doing the right thing. >> >> Namespaces hurt my head when I try to imagine a use for them. The >> only one's I've encountered are just applied to an entire >> document, making parsing more inconvenient but providing no other >> benefit I can see. > > Actually, namespaces give meaning to data, and they allow > combining different XML languages into one document. Without > them, it would be impossible to tell, for example, that what a > document contains is an author name in Dublin Core metadata and > not an image subtitle. Or a base64 encoded inline image. Or > anything. They allow you to cleanly extract an SVG image from > an ODF document without implementing the OpenDocument standard > first. > > Namespaces enable reuse of well defined semantics, in the same > way that you would structure your code in functions and > modules, instead of stuffing everything in the main module as > plain top-level code.
Thanks for the explanation. -- Neil Cerutti _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
