[Distutils] Simultaneous multi-version support

[Robert Kern]

Ben Finney wrote:
> Ian Bicking <ianb at colorstudy.com> writes:
> 
>> I'll also note that the require in setuptools-generated scripts causes
>> pretty frequent problems for people, all to support this multi-version
>> feature that no one really uses.
> 
> I agree heartily that it seems to cause more trouble than it's worth —
> for my assessment of its worth, anyway. Is it true that “no-one” (to
> some epsilon value) actually uses this feature?

There is one person on enthought-dev who does this for everything. He says it 
keeps him honest about his dependencies. And consequently keeps us at Enthought 
honest about ours.

I typically have multiple versions of things installed, and switch between them, 
but I never use pkg_resources.require() to do so.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco