[Python-Dev] Proto-PEP regarding writing bytecode files

["Martin v. Löwis"]

Skip Montanaro wrote:
> This PEP outlines a mechanism for controlling the generation and
> location of compiled Python bytecode files.
[...]
> Add a new environment variable, PYCROOT, to the mix of environment
> variables which Python understands.  Its interpretation is:

I believe this is currently underspecified: It only talks about where 
.pyc files are written. Wherefrom are they read?

Any answer to that question should take into account that there might be 
existing .pyc files from a compileall run.

Regards,
Martin