[MERGE] fix relpath calls at '/'

[Martin Pool]

On 4 Apr 2006, at 18:55 , Robert Collins wrote:

> currently as per bug 37036 transport.relpath('foo') when the transport
> is at the root of its file system has a number of glitches.
>
> I've added tests to check that relpath and abspath work correctly  
> at the
> root of their file system, and by implication that clone to the root
> works for all transports.
>
> This should fix bug 37036 but is rather less trivial than I had
> hoped :O.

+1, with comments:

> +
> +
> +def ensure_netloc(protocol):
> +    """Ensure that protocol is setup to be used with urlparse  
> netloc parsing."""
> +    if protocol not in urlparse.uses_netloc:
> +        urlparse.uses_netloc.append(protocol)

>
>
>> I also wonder whether ensuring netloc couldn't happen when  
>> registering
>> protocols.
>>
>
> I don't think so - not all out registered protocols use urlparse, and
> several (the decorators) are not even protocols - they are prefixes.

But shouldn't urlparse still treat them as protocols?

Is "netloc" meaningful except in urlparse?  I'd prefer say  
"register_urlparse_protocol" or some such?

-- 
Martin Pool