[Python-Dev] PEP 364, Transitioning to the Py3K standard library

BJörn Lindqvist bjourne at gmail.com
Wed Mar 7 23:46:55 CET 2007

> When Python's import machinery is initialized, the oldlib package is
> imported.  Inside oldlib there is a class called ``OldStdlibLoader``.
> This class implements the PEP 302 interface and is automatically
> instantiated, with zero arguments.  The constructor reads all the
> ``.mv`` files from the oldlib package directory, automatically
> registering all the remappings found in those ``.mv`` files.  This is
> how the Python 2.x standard library is remapped.

Will not reading all those .mv files add a lot of overhead? Disk seeks
is not cheap.

mvh Björn

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