> A more normal incantation, as is often the way for packages that became
> parts of the standard library after first being a third party library
> (sometimes under a different name, e.g. simplejson -> json):
>
> try:
> from __preview__ import thing
> except ImportError:
> import thing
>
> So no need to target a very specific version of Python.
I think this is suboptimal, having to guess where modules are located,
you end up with this in every module:
try:
import cjson as json
except ImportError:
try:
import simplejson as json
except ImportError:
import json as json
Perhaps the versioned import stuff could be implemented (whatever the
syntax may be), in order that something like this can be done instead:
import regex('__preview__')
import regex('3.4')
Where clearly the __preview__ version makes no guarantees about
interface or implementation whatsoever.
etc.
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