[Distutils] For maximum performance, Python packages are best installed as zip files.

[Chris Barker]

one other note: on systems with aggressive virus scanning, python startup
can ber REALLY slow.

_maybe_ zipped packages would help with that. (or maybe not -- I haven't
tested)

-CHB


On Mon, Apr 11, 2016 at 6:41 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:

> On 11 April 2016 at 23:30, Ionel Cristian Mărieș <contact at ionelmc.ro>
> wrote:
>
>>
>> On Mon, Apr 11, 2016 at 4:00 PM, Paul Moore <p.f.moore at gmail.com> wrote:
>>
>>> you wouldn't typically install
>>> each application in its own directory and add that directory to
>>> $PATH.], so why do the equivalent with sys.path?
>>>
>>
>> ​Funny that Nixos and Redhat's SCLs​ do exactly that with $PATH other
>> vars:-)
>>
>
> For SCLs, we don't really expect you to have dozens active at once, though
> - usually only 1 or 2 for any given process (language runtime + web server).
>
> In terms of this thread, though, the advice in the setuptools docs is
> indeed out of date - the downside of making sys.path longer overwhelms the
> benefit of zipimporter loading content listings into memory, especially in
> Python 3, which also caches normal directory listings for sys.path entries
> since the switch to importlib in 3.3 (the caching avoided a slowdown when
> importing from local disks, and provided a dramatic speed *up* when
> importing from network file shares).
>
> Cheers,
> Nick.
>
> --
> Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
>
> _______________________________________________
> Distutils-SIG maillist  -  Distutils-SIG at python.org
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>
>


-- 

Christopher Barker, Ph.D.
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