[Python-Dev] PEP 408 -- Standard library preview package (original) (raw)

Matt Joiner anacrolix at gmail.com
Sat Feb 4 15:02:55 CET 2012

+1 On Feb 4, 2012 8:37 PM, "Paul Moore" <p.f.moore at gmail.com> wrote:

On 4 February 2012 11:25, Steven D'Aprano <steve at pearwood.info> wrote: > It strikes me that it would be helpful sometimes to programmatically > recognise "preview" modules in the std lib. Could we have a recommendation > in PEP 8 that such modules should have a global variable called PREVIEW, and > non-preview modules should not, so that the recommended way of telling them > apart is with hasattr(module, "PREVIEW")? In what situation would you want that when you weren't referring to a specific module? If you're referring to a specific module and you really care, just check sys.version. (That's annoying and ugly enough that it'd probably make you thing about why you are doing it - I cannot honestly think of a case where I'd actually want to check in code if a module is a preview - hence my question as to what your use case is). Feels like YAGNI to me. Paul.

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