[Prophet] bugzilla and launchpad for sd

[sunnavy]

Hi guys

I've played launchpad and bugzilla for a while these days, here's the note:

Launchpad:
    launchpad has an API, but seems poor and not so easy to use, as you know, 
launchpad's bugs are special by making every bug available to every project,
the current API doesn't supply a way to list bugs that relative to only 1
project, though they said they would add this feature, but that's still not 
available today.
    Anyway, since I played the api, I still learned something, i.e.
how to use the api ;)
     attached is a perl script that got the root data, only valuable part
is the OAuth stuff.

    There's no other client lib exist yet, so I think we need to write
a Net::Launchpad client by scrapping for sd, if we want to add launchpad
support soon.  

Bugzilla:
    I found 3 client lib on cpan: WWW::Bugzilla, WWW::Bugzilla3 and
BZ::Client.

1. WWW::Bugzilla
    this is done by scrapping, which make it kinda brittle, e.g.
it doesn't work well with current stable bugzilla version 3.4.2
$client->get_comments fails to get comments.

2. WWW::Bugzilla3
    this doesn't scrap, instead, it use Bugzilla's XML-RPC web service.
but the functionality is limited, e.g. it doesn't support comments and
attachments.

3. BZ::Client
    this is kina like WWW::Bugzilla, a.k.a use XML-RPC web service,
doesn't support comments and attachments either, but the code is more
modularized and more tested.

BTW, comments api is marked unstable currently, while attachments api will
be added to webservice in 3.6( no idea when this version will be out,
I bet 201x :/

So, we are in a dilemma, for full functionality, we need to
hack Bugzilla by scrapping, but that's brittle( WWW::Bugzilla proved this,
or we can only support some specified bugzilla version ),
but with Bugzilla's webservice, we won't have attachments support at all
for a few days, and can only support version 3.4+
( bug search and comments api are added then ).

best wishes
sunnavy