[Distutils] What role to eggs still play?

[Alex Grönholm]

20.08.2016, 01:41, Chris Barker - NOAA Federal kirjoitti:
> Thanks, I think I'm getting it.
>
>> About the toml file... the *-info metadata is a compiled artifact, 
>> according to all the existing Python packages. Most sdists even have 
>> a *.egg-info directory.
>
> If it's a compiled artifact, then shouldn't it NOT be in a source dist?
>
>> It is inconvenient if you want to know the true dependencies without 
>> running setup.py.
>
> Isn't that what the toml file is for?
Isn't the toml file for specifying build dependencies, rather then 
runtime dependencies?
>
>> I think we are stuck with it, and it's not all bad - if there is some 
>> useful metadata that doesn't affect the dependency resolver, and it 
>> is "too static" or too cumbersome to write out by hand, there's a 
>> place to do that.
>
> I'm trying to imagine what that info would be,  but I suppose there 
> could be meta data about a package that is generated at build time -- 
> maybe info about how it was built, for instance.
>
> Hmm -- maybe you could put info in there about non-Python shared libs 
> it's linked to, for instance.
>
>>     Eggs are the only way to add a zipped distribution to PYTHONPATH
>>     and have setuptools find the metadata
>>
>
> Can pip find it in a zipped package? Remember,  I don't care to 
> support setuptools only features anyway :-)
>
>>     . Eggs are used by buildout, especially in the unzipped into a
>>     directory form
>>
>>     And they could still be used for their originally designed use as
>>     a plugin format.
>>
>
> If pkg_resources gets spun off, would it support that?
>
>>      *.egg-info or EGG-INFO is the predecessor of the *.dist-info
>>     format designed in PEP-376. You get *.egg-info whenever you
>>     install something with setuptools without going through bdist_wheel.
>>
>
> So setuptools_lite would write a  dist_info.
>
> I take it pip looks for both?
>
>
>
>
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