[Python-Dev] How to block a module import

[Alexander Belopolsky]

On Tue, Jul 13, 2010 at 4:34 PM, Brett Cannon <brett at python.org> wrote:
..
> Nick's right; 0 fails on an import * to pull anything in of interest.

but if the imported module has

try:
   import blocked_module
except ImportError:
   do_something_important()

then import_fresh_module() will create a broken module with
do_something_important() not executed.

> And as
> I said on python-checkins -- you can ignore that email, Alexander

Too late.  I already replied. :-)

>-- there
> is a historical reason because in Python 2 if you tried an implicit relative
> import a value of None met to do an absolute import. This doesn't have that
> effect in py3k as explicit relative imports are the only way to do relative
> imports (and luckily importlib does the proper thing for this as well =).

Is there a problem with this change for 3.x?