[jdev] Python/XMPP GSoC proposal

Pedro Melo melo at co.sapo.pt
Sat Mar 29 10:22:29 CDT 2008


On Mar 28, 2008, at 7:06 PM, Tro wrote:
> On Thursday 27 March 2008, Pedro Melo wrote:
>> On Mar 26, 2008, at 1:29 PM, David Janes wrote:
>>> On Wed, Mar 26, 2008 at 8:19 AM, Kevin Smith <kevin at kismith.co.uk>
>>> wrote:
>>>> On Wed, Mar 26, 2008 at 12:50 PM, Greg Wilson
>>>> <gvwilson at cs.utoronto.ca> wrote:
>>>>> There's been a fair bit of discussion in the last couple of
>>>>>  days on the Python SoC mailing list about how useful it would
>>>>>  be to have an XMPP server in Python
>>>>  Why would having one written in Python in particular be useful to
>>>> you?
>>>>  /K
>>> 1) because many of us work in Python environments and would like to
>>> continue to do so
>>> 2) because Python kicks ass and thus there are many Python  
>>> programmers
>>> and thus once we get the framework in place is likely to be used and
>>> extended
>>> 3) because this is a noticeable deficiency in Python's otherwise
>>> excellent support of Internet protocols
>> May I suggest that instead of a full server, you implement a XMPP
>> router instead?
>> The difference for me is that a XMPP router does not have a session
>> manager. It only has:
>>   * S2S: for federation;
>>   * XEP-0114 and XEP-0225 support.
>> This would allow anyone to write a component in any language they
>> want, and the make it available in the XMPP network without having to
>> run a full server.
>> This is something that I think does not exist, and that many people
>> could use.
> We're already writing a full server (it's a course project right  
> now), so I
> think it's too late to turn it into a router. However, I really  
> like your
> idea. After the hand-off, if I have time, I'll try to get some work  
> done in
> that area.

It is never too late to limit the scope of a project :).

But you can separate the two: a router, and the SM that sits on top.  
As long as I can ditch your SM and just use the router, I'm happy.  
And if you have two persons working on this, make one of them write  
the router, and the other, the SM dude, is a client of the router  
using XEP-0225.

Regarding the SM, all of them usually have the same settings, to  
define where the data (user, roster, private storage, vcards, PEP,  
etc) is stored. Let me leave you my suggestions:

  * try and have a single back-end, web-services powered: this would  
allow existing social sites to plug your server into their HTTP  
infrastructure, and it would be a key difference between your server  
and all the others;
  * PEP is the most important server-side service to have from the  
  * implement the vcard and private storage on top of PEP: it should  
be trivial, and you get notifications of vcard updates and private  
storage updates for free (yes, yes, they are not standard but they  
don't break anything and only people who put (for ex) vcard-temp 
+notify in their disco#info reply will get them.

Best regards and good luck,
HIId: Pedro Melo
SMTP: melo at co.sapo.pt
XMPP: pedro.melo at sapo.pt

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