When I get the request, request.FILES is empty. Yet the content type
is multipart/form-data and the method is POST:
(Pdb) print request.META['CONTENT_TYPE']
multipart/form-data;
boundary="boundary_.oOo._NzEwNjIzMTM4MTI4NjUxOTM5OQ==MTY2NjE4MDk5Nw=="
(Pdb) print request.META['REQUEST_METHOD']
POST
(Pdb) print request.FILES
<MultiValueDict: {}>
The individual files are being sent with content-type
'application/octet-stream', and it looks like I get the contents of
the files converted to unicode:
(Pdb)
type(request.POST['right-carotidartery:63B2E474-D690-445F-B92A-31EBADDC9D93.png'])
<type 'unicode'>
I've tried to decoding it with:
unicodedata.normalize('NFKD', request.POST[key]).encode('ascii','ignore'))
But that did not create a valid PNG file. It seems that something
mistakenly encoded to unicode. What would be doing that?
Any suggestions on how I can make this work?
On Fri, Aug 19, 2016 at 5:56 PM, Aron Griffis <a...@scampersand.com> wrote:
> Hi Larry,
>
> I think you'll find what you're looking for in request.FILES, see
> https://docs.djangoproject.com/en/1.10/ref/request-response/#django.http.HttpRequest.FILES
> and https://docs.djangoproject.com/en/1.10/ref/files/uploads/#uploaded-files
>
> This is the same as using cgi.FieldStorage to parse files from a submitted
> multipart/form-data. You can then call .read() on the UploadedFile object,
> or better yet use .chunks() to copy to your final destination without
> overwhelming memory.
>
> -Aron
>
>
> On Fri, Aug 19, 2016 at 4:17 PM, Larry Martell <larry.mart...@gmail.com>
> wrote:
>>
>> I have a falcon server that I am trying to port to django. One of the
>> falcon endpoints processes a request that contains a PNG file sent
>> with content_type = 'application/octet-stream'. It writes the data to
>> a file maintaining the correct PNG structure.
>>
>> The falcon code does this:
>>
>> form = cgi.FieldStorage(fp=req.stream, environ=req.env)
>>
>> and then writes the png like this:
>>
>> fd.write(form[key].file.read())
>>
>> I cannot figure out how to do the same thing in django. When my view
>> is called the data in request.POST[key] has already been decoded to
>> unicode text and it's no longer valid png data.
>>
>> How can I do this with django? Should/can I use cgi.FieldStorage? The
>> request I get (of type django.core.handlers.wsgi.WSGIRequest) does not
>> have a stream method. I'm sure there's some way to do this, but I have
>> not come up with anything googling.
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