there you are! response.json now sets content-type = application/json as
it's supposed to be (if no specific content-type header is specified)
Previous versions relied on the user setting the right content-type, but we
noticed that nobody was properly setting it.
<tl;dr> web2py fixed a "behavioural bug", setting the proper content-type,
and your view worked around a "behavioural bug" (you didn't set the
content-type) that wasn't supposed to be there in the first place. Strip
$.parseJSON: it's useless now because response.json doesn't return a string
that can be parsed as a json object, but the json object itself.
On Monday, April 20, 2015 at 8:41:25 PM UTC+2, Jim S wrote:
>
> Using jQuery and the $.ajax function, I'm returning a json object from my
> controller function using response.json(list_of_dictionaries).
>
> I'm seeing an error in firebug saying:
>
> SyntaxError: JSON.parse: unexpected end of data at ...
>
> Here is the javascript:
>
> $.ajax({url: "{{=URL('workorder','get_mixer_dropdown',
> user_signature=True)}}",
> data: {site:site}})
> .fail(function() {
> alert('There was a problem retrieving the mixer list. Please
> contact support.');
> })
> .success(function(msg) {
> options = $.parseJSON(msg);
> $('#workorder_mixer').find('option').remove().end()
> for (i=0;i<options.length;i++) {
> $('#workorder_mixer').append(
> $('<option />')
> .text(options[i].text)
> .val(options[i].id)
> );
> }
> $('#workorder_mixer').attr('disabled',false);
> });
>
> The error is on the $.parseJSON(msg) stating that an invalid JSON object
> was returned. This error doesn't happen on web2py v2.9.5, but does with
> 2.10.4 beta. Returning from the controller isn't the problem. The problem
> is when I use response.json(list_of_dictionaries) instead of
> json.dumps(list_of_dictionaries) to convert my list to JSON.
> response.json(list_of_dictionaries) used to work and now it doesn't.
>
> -Jim
>
>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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