Improve absolute import management for iptest.py

[ipython]

Original Launchpad bug 506112: https://bugs.launchpad.net/ipython/+bug/506112
Reported by: fdo.perez (Fernando Perez).

On Mon, Jan 11, 2010 at 11:36 AM, Jörgen Stenarson jorgen.stenarson@bostream.nu wrote:

I often run IPython/testing/iptest.py as a script but this is not possible
now due to a relative import:

> C:\python\external\ipython-perez\IPython>python testing\iptest.py
> Traceback (most recent call last):
>  File "testing\iptest.py", line 39, in 
>    from . import globalipapp
> ValueError: Attempted relative import in non-package

Argh, yes. This is unfortunately only fixed for 2.6:

http://www.python.org/dev/peps/pep-0366/

We might just add that boilerplate

if __name__ == "__main__" and __package__ is None:
    __package__ = "expected.package.name"

protected by a version check, so your approach continues to work.

[fperez]

This is now fixed in master, closing.