[Python-Dev] why is mmap a builtin module on windows?

[Ralf Schmitt]

On Jan 23, 2008 9:01 AM, Christian Heimes <lists at cheimes.de> wrote:

> >
> > What is the reason for mmap being a builtin module?
>
> On Windows lots of modules are linked into the python main dll. The file
> PC/config.c contains a list of all modules. From the point of the
> maintainer it's much easier to link the modules into the main dll
> instead of creating standalone dlls. I also suspect that it's much
>
faster because relocation is slow (see PC/dllbase_nt.txt). Martin or
> Mark can give you a better answer.
>

ok


>
> Why do you want to overwrite the existing module instead of using a
> different name like ralfmmap?
>
> import ralfmmap as mmap
> sys.modules]'mmap'] = mmap
>

I thought about that (ugly hack) too. I would have to change the imports at
a lot of places (and revert the changes when we switch to python 2.6).
(whereas on Unix I would only have to do install the new mmap module).


- Ralf
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