[Distutils] Making commands extensible by default

[Toshio Kuratomi]

David Cournapeau wrote:
> Toshio Kuratomi wrote:
>> They don't have bearing on talking about
>> redesigning how to design a new architecture that's easy to extend.
>>   
> 
> Those examples show why extending distutils commands with subclassing +
> post processing is not always enough. I don't understand why they would
> not be relevant for the design to improve distutils extensibility. They
> are quite typical of the usual problems I have when I need to extend
> distutils myself.
> 
+1 to this argument :-)

subclassing is a bad way to implement extensibility for essentially
imperative tasks.

I was just saying that the fact that distutils commands being used from
paver having bugs does not invalidate paver's design of having functions
 be the task unit to build upon.

-Toshio

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