I would guess the id is so you can pair up the response if you had
more than one request outstanding in an AJAX situation?
On Nov 29, 12:39 am, Branko Vukelic <bg.bra...@gmail.com> wrote:
> Some notes I'd like to share. Comments and advice most welcome!
>
> web2py supports JSONRPC 1.1 (and not 2.0 which is still a proposal).
> This means there is no support for keyword arguments at this moment.
> To work around this you can pass your methods a single argument which
> is a dict, and parse the dict yourself. For example:
>
> # in your controller
> def mymethod(params):
> param1 = params.get('key1', defaultvalue) # defaultvalue is optional
> param2 = params.get('key2')
> ...
> # do something with params and calculate result
> return result
>
> In your javascript code, send JSONRPC request as:
>
> {"version": "1.1", "method": "mymethod",
> "params": [{"key1": "val1", "key2": 2, ... "keyN": "valN"}],
> id="someid"}
>
> As you can see, the dict (object) is wrapped inside an array and array
> has a single member.
>
> Another note. You must include the id key. It can be anything, but
> it's important to check that the same id is returned from the server.
> I'm not sure if this prevents any security holes (I guess not), but at
> least it doesn't open any new ones if you check it. So the whole
> boilerplate for handling response would be:
>
> if (response.id == idKey && response.error == null) {
> callback(response);
> }
> else {
> DEBUG('JSONRPC error');
> errback(response);
> }
>
> The ``idKey`` variable is some random key I generate before every
> JSONRPC call, and I check that the response contains the same key.
> ``response.error`` is a non-null value if there is an error, so it's
> also good to check that before firing the callback.
>
> --
> Branko Vukelić
>
> bg.bra...@gmail.com
> stu...@brankovukelic.com
>
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>
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