[Distutils] use of '_' in package name causing version parsing issue?

[Baiju M]

On Thu, Mar 11, 2010 at 9:13 PM, P.J. Eby <pje at telecommunity.com> wrote:
> At 12:38 PM 3/11/2010 +0530, Baiju M wrote:
>>
>> On Thu, Mar 11, 2010 at 11:05 AM, Baiju M <mbaiju at zeomega.com> wrote:
>> > If "_" is a valid project_name identifier, why it is replaces with "-" ?
>
> In order to have a canonicalized name form which can be escaped in filenames
> for unambiguous identification of an egg's project and version.
>
> Egg filenames use '-' as a separator between name, version, python version,
> and platform.  A '-' in any of these components is escaped as '_', so that
> the '-' remains a viable and unambiguous separator.  This means that '_'
> gets turned back into a '-' when unescaped, so the mapping between '_' and
> '-' is part of the safe_name canonical form.

Sorry, I confused.

Then, why "_" was added as a valid project name identifier ?

Regards,
Baiju M