[Distutils] New Restrictions on Package Names

[Lennart Regebro]

On Thu, May 23, 2013 at 7:37 AM, Donald Stufft <donald at stufft.io> wrote:
> Hello!
>
> I've just deployed a change to PyPI that restricts all *new* packages names
> to the follow:
>
> * Must start with an ASCII alphanumeric (``[a-zA-Z0-9]``)
> * Must contain only:
>   - ASCII letters (``[a-zA-Z]``)
>   - ASCII digits (``[0-9]``)
>   - underscores (``_``)
>   - hyphens (``-``)
>   - periods (``.``)
> * Must end with an ASCII alphanumeric  (``[a-zA-Z0-9]``)
>
> Projects that have already registered with a name that doesn't follow these
> restrictions will still be able to upload.

This explains the new release of Unicode snowman.