[Import-SIG] PEP 420 issue: extend_path

[Eric V. Smith]

On 5/9/2012 12:42 PM, martin at v.loewis.de wrote:
>>> I must have missed Nick's message where he explained it, so I still need
>>> to ask again: how exactly would such a zip file be structured?
>>
>> I'll work on such an example. But I think Nick's example of a config
>> file that has the configuration for multiple portions of a single
>> namespace package is more compelling. I don't see where returning a list
>> for the common case of a single portion is a large burden.
> 
> Unfortunately, I still can't locate the message where he explains the
> example. This sounds like a bit like .pth files, where the file contains
> the list of locations to be added to the path. It was supported in an
> early version of PEP 382, when the community declared YAGNI.

I think that's this message:
http://mail.python.org/pipermail/import-sig/2012-May/000585.html

>> As Nick said, you'd return a loader, a list of portions, or neither. it
>> would be an error to return both.
> 
> Ah, ok. This is fine, then (except that I still think that returning
> multiple
> portions needs to be supported).

I thought you were arguing that multiple portions per finder call didn't
need to be supported. Maybe I misunderstand.

Eric.