request.post_vars is always key-value mapping, and you're asking one of
its values to be a mapping itself (uploading should have a "key" named
file). This is only possible under a particular circumstance, i.e. when
you're posting a json object, but it seems that you're instead trying to do
something that in ajax isn't possible (submitting a file).
On Tuesday, September 30, 2014 7:23:57 PM UTC+2, seank wrote:
>
> I'm getting a strange behavior with ajax call. I can print the
> request.post_vars andd see they are there but when I try to access them,
> they are None.
> And it was working fine until I added extra data into FormData. I've
> removed the new data (back to when it was working) but it doesn't work
> anymore.
> This isn't the first time I ran into this. Seems to happen when I add new
> data varas to the already working ajax calls. They usually go away when I
> revert back.
>
> [view]
>
> function uploader(event) {
> var form_data = new FormData();
> var file = event.target.files[0];
> form_data.append('uploading', file, file.name);
>
> //form_data.append('category', 'summary'); /* this is the new bit
> added that started causing problem - removed but no change */
>
> $.ajax({
> url: '{{=URL("upload_file")}}',
> type: 'POST',
> data: form_data,
> cache: false,
> processData: false,
> contentType: false,
> }).done(function(data) {/* do stuff */});
> }
>
>
> [controller]
>
> def upload_file():
> print 'vars', request.post_vars # shows vars passed properly
>
> # error here <type 'exceptions.AttributeError'> 'NoneType' object has
> no attribute 'file'
> upload_file = request.post_vars.uploading.file
>
>
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