[drakma-devel] Re: drakma-devel Digest, Vol 20, Issue 1

Thu Jun 5 17:28:43 UTC 2008

It works!

Thanks a lot!

On 6/5/08, drakma-devel-request at common-lisp.net <
drakma-devel-request at common-lisp.net> wrote:
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> Today's Topics:
>
>    1. Handling chunked content (Nico Garcia Belmonte)
>    2. Re: Handling chunked content (Edi Weitz)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 5 Jun 2008 02:43:48 +0200
> From: "Nico Garcia Belmonte" <philogb at gmail.com>
> Subject: [drakma-devel] Handling chunked content
> To: drakma-devel at common-lisp.net
> Message-ID:
>         <4e2f5dc00806041743p7b2e6d29kc36dd8e84d4630ff at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi,
>
> ...I'm kind of a newbie, so please forgive me if I make stupid questions.
> I've been using drakma to request html pages and everything seems to work
> fine.
>
> I'm now using drakma to make a request to the new youtube json api, and I
> get chunked content:
>
> (http-request "
>
> http://gdata.youtube.com/feeds/api/videos/-/Music/?max-results=10&vq=bush&alt=json&format=5
> ")
>
> ...chunked content...
>
> ((:CONTENT-TYPE . "application/json; charset=UTF-8")
>   (:CACHE-CONTROL . "max-age=0, must-revalidate, no-transform, private")
>   (:GDATA-VERSION . "1.0") (:LAST-MODIFIED . "Thu, 05 Jun 2008 00:20:27
> GMT")
>   (:TRANSFER-ENCODING . "chunked") (:DATE . "Thu, 05 Jun 2008 00:20:27
> GMT")
>   (:SERVER . "GFE/1.3") (:CONNECTION . "Close"))
> #<PURI:URI
>
> http://gdata.youtube.com/feeds/api/videos/-/Music/?max-results=10&vq=bush&alt=json&format=5
> >
> #<FLEXI-STREAMS:FLEXI-IO-STREAM {B90E249}>
>
> The thing is that I need it to be a string in order to decode to json
> format
> using the cl-json lisp package.
> I tried changing the external-output parameter without any good results.
>
> Do you have some advice on how I could serialize this content?
>
> Thanks at advanced!
>
> Your library is great!
>
> Nico.
>
> --
> I would never die for my beliefs because I might be wrong.
>
> Bertrand Russell
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> ------------------------------
>
> Message: 2
> Date: Wed, 04 Jun 2008 21:26:45 -0400
> From: Edi Weitz <edi at agharta.de>
> Subject: Re: [drakma-devel] Handling chunked content
> To: General interest list for Drakma and Chunga
>         <drakma-devel at common-lisp.net>
> Message-ID: <u63sowu22.fsf at agharta.de>
> Content-Type: text/plain; charset=us-ascii
>
> On Thu, 5 Jun 2008 02:43:48 +0200, "Nico Garcia Belmonte" <
> philogb at gmail.com> wrote:
>
> > ...I'm kind of a newbie, so please forgive me if I make stupid
> > questions.  I've been using drakma to request html pages and
> > everything seems to work fine.
> >
> > I'm now using drakma to make a request to the new youtube json api,
> > and I get chunked content:
> >
> > (http-request "
> >
> http://gdata.youtube.com/feeds/api/videos/-/Music/?max-results=10&vq=bush&alt=json&format=5
> > ")
> >
> > ...chunked content...
> >
> > ((:CONTENT-TYPE . "application/json; charset=UTF-8")
> >  (:CACHE-CONTROL . "max-age=0, must-revalidate, no-transform, private")
> >  (:GDATA-VERSION . "1.0") (:LAST-MODIFIED . "Thu, 05 Jun 2008 00:20:27
> GMT")
> >  (:TRANSFER-ENCODING . "chunked") (:DATE . "Thu, 05 Jun 2008 00:20:27
> GMT")
> >  (:SERVER . "GFE/1.3") (:CONNECTION . "Close"))
> > #<PURI:URI
> >
> http://gdata.youtube.com/feeds/api/videos/-/Music/?max-results=10&vq=bush&alt=json&format=5
> >>
> > #<FLEXI-STREAMS:FLEXI-IO-STREAM {B90E249}>
> >
> > The thing is that I need it to be a string in order to decode to
> > json format using the cl-json lisp package.  I tried changing the
> > external-output parameter without any good results.
> >
> > Do you have some advice on how I could serialize this content?
>
> Your problem is not chunked content (Drakma takes care of that
> automatically) but that the server returns a content type which is by
> default not recognized as text.  See for example here:
>
>   http://weitz.de/drakma/#*text-content-types*
>   http://weitz.de/drakma/#*body-format-function*
>
> In your particular case, something like this will probably do the
> trick:
>
>   (let ((*text-content-types* (cons '("application" . "json")
>                                     *text-content-types*)))
>     (http-request "
> http://gdata.youtube.com/feeds/api/videos/-/Music/?max-results=10&vq=bush&alt=json&format=5
> "))
>
> Cheers,
> Edi.
>
>
> ------------------------------
>
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> End of drakma-devel Digest, Vol 20, Issue 1
> *******************************************
>

-- 
I would never die for my beliefs because I might be wrong.

Bertrand Russell
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