From: Michael Guterl <mguterl@...>
Date: 2008-11-28T21:24:50+09:00
Subject: Re: Rest-client posting multipart to rails 2

On Fri, Nov 28, 2008 at 4:34 AM, e deleflie <edeleflie@gmail.com> wrote:
> On Fri, Nov 28, 2008 at 8:26 PM, Einar Magnús Boson
> <einarmagnus@tistron.se> wrote:
>> Hi,
>>
>> On 28.11.2008, at 09:14 , e deleflie wrote:
>>
>>> Hi all,
>>>
>>> I'm using rest-client (in a Shoooes app) to post a multi-part form to
>>> my rails server. I've been struck down by a gotcha (which may not be a
>>> gotcha for non-newbies).
>>>
>>> What I want to do is post an image file within the form. Examples show
>>> that the correct syntax is such:
>>>
>>>             params = {'myObject[name]' => "some name",
>>>                                 'myObject[details]' => "some extra
>>> details and stuff here.",
>>>                                 :myObject[image] =>
>>> File.new('/baa/baa/screen-capture-1.png')
>>>                                 }
>>>             response = RestClient.post
>>> "http://me:mine@www.example.com/myObject.xml", params
>>>
>>>
>>> but :myObject[image] is not a valid symbol ... and that's how rails
>>> creates the names of the fields in the forms ...
>>>
>>> Any ideas?
>>>
>>> Etienne
>>>
>>
>>
>> Your two first parameters have strings as keys, not symbols.
>
> yeah, but that seems to work fine ...
>
> I worked out I can do   :"myObject[image]" =>
> File.new('/baa/baa/screen-capture-1.png')  but that still doesn't ...
> it creates the below message in Rails:
>
> UploadColumn::UploadNotMultipartError (Do not know how to handle a
> string with value '(File /baa/baa/screen-capture-1.png)' that was
> uploaded. Check if the form's encoding has been set to
> 'multipart/form-data'.):
>
Perhaps you want to stick the contents of that file in the
"myObject[image]" param?  If so File.new is not going to do it.

Try File.read('/baa/baa/screen-capture-1.png')

HTH,
Michael Guterl