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

Steven D'Aprano steve at pearwood.info
Sat Feb 4 12:25:05 CET 2012

Terry Reedy wrote:

On 2/3/2012 6:18 PM, Steven D'Aprano wrote:

Now we're talking about having to add preview into that mix too? As I understand it, Guido nixed that idea. (Or did I imagine that?) No, you are right, discussion should cease. It is already marked 'rejected' and listed under Abandoned, Withdrawn, and Rejected PEPs. Preview modules will be just added to the std lib as normal, and you have to read the docs to find out they're preview. What's New should say so too.

A thought comes to mind...

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")?

-- Steven

More information about the Python-Dev mailing list