PEP 402

I realised I didn't say much about PEP 402 last time round so here's some more details:
PEP 402 aims to address the long standing problem with storing contents of a Python package in several directories. A previous proposal to fix this issue was PEP 382 which proposed extensions to the existing *.pth mechanism available on the top-level python path. PEP 402, however, describes a simplified solution where the requirement for directories with packages to contain an __init__.py file is lifted in some cases:

• when importing submodules from a directory which contains Python modules. E. g. if there's a directory Foo containing Bar.py present on sys.path, one can import Foo.Bar, just as if Foo also contained __init__.py but not import Foo alone.
• when importing *submodules* from a directory with the same name as an already imported package, e. g. a standard library package.

I spent the last few days working on a proof-of-concept implementation. The changes outlined in the PEP are quite small but identifying the correct places to inject new code was quite tricky. I had to read the importlib code in much more detail to identify the places where to make the changes but eventually I got the code to support simple use cases. I created a separate repository for this part of the project: https://bitbucket.org/jergosh/pep-402
Here's the commit with the initial implementation: https://bitbucket.org/jergosh/pep-402/changeset/2c60dc2d17f1