[Numpy-discussion] Setuptools leftover junk

Bryce Hendrix bhendrix at enthought.com
Fri Jun 30 15:06:58 CDT 2006


David M. Cooke wrote:
>
>>> [Really, distutils sucks. I think (besides refactoring) it needs it's API
>>> documented better, or least good conventions on where to hook into.
>>> setuptools and numpy.distutils do their best, but there's only so much you
>>> can do before everything goes fragile and breaks in unexpected ways.]
>>>       
>> I do hate distutils, having fought it for a long time.  Its piss-poor
>> dependency checking is one of its /many/ annoyances.  For a package
>> with as long a compile time as scipy, it really sucks not to be able
>> to just modify random source files and trust that it will really
>> recompile what's needed (no more, no less).
>>
>> Anyway, thanks for heeding this one.  Hopefully one day somebody will
>> do the (painful) work of replacing distutils with something that
>> actually works (perhaps using scons for the build engine...)  Until
>> then, we'll trod along with massively unnecessary rebuilds :)
>>     
>
> I've tried using SCons -- still don't like it. It's python, but it's too
> unpythonic for me. (The build engine itself is probably fine, though.)
>   
Agreed, last time I used it was almost a year ago, so it might have 
changed, but SCons does a quasi-2 stage build that is very unnatural. If 
you have python code nested between 2 build events, the python code is 
executed and the build events are queued.

BUT- its dependency management is great. Distutils suffers from 2 major 
problems as far as I am concerned: setup.py files often contain way too 
much business logic and verb-age for casual python developers, and 
worst-in-class dependency checking.

I've been considering moving all Enthought projects to SCons. If another 
large project, such as scipy were to go that way it would make my 
decision much simpler.

Bryce
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