URL parsing for the hard cases

[Miles]

On 7/22/07, John Nagle wrote:
>     Is there something available that will parse the "netloc" field as
> returned by URLparse, including all the hard cases?  The "netloc" field
> can potentially contain a port number and a numeric IP address.  The
> IP address may take many forms, including an IPv6 address.

What do you mean by "parse" the field?  What do you want to get back
from the parser function?