From: Nicolas Richard <youngfrog@members.fsf.org>
To: Marcin Borkowski <mbork@mbork.pl>
Cc: Help Gnu Emacs mailing list <help-gnu-emacs@gnu.org>
Subject: Re: A (probably silly) problem with request.el
Date: Sat, 06 Jun 2015 21:25:56 +0200 [thread overview]
Message-ID: <878ubwskor.fsf@members.fsf.org> (raw)
In-Reply-To: <87y4jx7so5.fsf@mbork.pl> (Marcin Borkowski's message of "Fri, 05 Jun 2015 23:26:55 +0200")
Marcin Borkowski <mbork@mbork.pl> writes:
> Now the question is:
> how do I do anything reasonable with what I got? In my particular case
> I expect json, so I'd like to use e.g. json.el to convert it to s-exps.
> How do I do that? I tried
>
> (request "http://httpbin.org/get" :parser #'json-read),
The request form will *never*[1] return json, because it returns before the
request is complete. This is what asynchronous means, and that is why I
said "The real job must be done by a callback function".
The very first example in the homepage of the package uses httpbin.org.
Here's a simplified version of it :
(request
"http://httpbin.org/get"
:parser 'json-read
:success (function*
(lambda (&key data &allow-other-keys)
(message "response: %S" data))))
Please try it and see what happens. The function mentionned as :success
takes over once the request is complete (well, unless the request fails
obviously...). That is a "callback" function.
HTH,
--
Nico.
[1] Except in the synchronous case, e.g.
(request-response-data
(request "http://httpbin.org/get" :parser 'json-read :sync t))
But the doc explicitly says to not use that.
next prev parent reply other threads:[~2015-06-06 19:25 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-04 21:12 A (probably silly) problem with request.el Marcin Borkowski
2015-06-05 10:09 ` Nicolas Richard
2015-06-05 14:02 ` Marcin Borkowski
2015-06-05 15:40 ` Nicolas Richard
2015-06-05 21:26 ` Marcin Borkowski
2015-06-06 19:25 ` Nicolas Richard [this message]
2015-06-06 20:31 ` Marcin Borkowski
2015-06-06 20:44 ` Marcin Borkowski
2015-06-08 5:36 ` Nicolas Richard
2015-06-10 21:58 ` Marcin Borkowski
2015-06-10 22:15 ` John Mastro
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