[Python-ideas] PYTHONUSERBASES (plural!)

[Larry Hastings]

Nick Coghlan wrote:
> You would have two different directories each with a different .pth file
> in it and point PYTHONUSERBASE at the correct one for the virtual
> environment you want to use.

This would preclude finding packages in my default PYTHONUSERBASE.  Or 
combining any two virtualized environments together.

I suppose that's solvable if we go back to copying files around, like a 
cheap "virtualenv".  I could make a temporary directory, copy in the 
lowest-priority packages and .pth files, then copy in the next-highest, 
and so on for all "user bases" I want to compose together.  Then point 
PYTHONUSERBASE at that.

But I'd really rather have something like PYTHONUSERBASES.  For the 
record, would you be for or against PYTHONUSERBASES?  I think I'm going 
to knock together a patch tonight; I hope you'll support it.


/larry//
/
p.s.  Having ruminated about it some more, I'm going to change the name 
to PYTHONPREFIXPATH.  Like "PYTHONPATH", but for "prefix" directories 
(as in "site.PREFIXES").  Still open to suggestions though.//