Upload from mobile device using POST

[Matias Hernandez Arellano]

(sorry for my english)
(i open this thread cuase the other thread was for another question)

I have a mobile device application (iOS) and i want to upload an image to my 
django application

In my mobile application i create the POST request (and disable csrf in my 
django app) using this:

- (void)upload{
        NSData *imageData = UIImageJPEGRepresentation(imageView.image,90);
        NSString *urlString = @"http://190.91.43.241:8000/subir/1/";;
        NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] 
init]autorelease];
        [request setURL:[NSURL URLWithString:urlString]];
        [request setHTTPMethod:@"POST"];
        
        NSString *boundary = [NSString 
stringWithString:@"---------------------------14737809831466499882746641449"];
        NSString *contentType=[NSString stringWithFormat:@"multipart/form-data; 
boundary=%@",boundary];
        [request addValue:contentType forHTTPHeaderField:@"Content-Type"];
        
        NSMutableData *body = [NSMutableData data];
        [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] 
dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[[NSString stringWithString:@"Content-Disposition: 
form-data; name=\"file\"; filename=\"file\"\r\n"] 
dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[[NSString stringWithString:@"Content-Type: 
application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[NSData dataWithData:imageData]];
        //[body appendData:[[NSString 
stringWithFormat:@"\r\n--%@--\r\n",boundary] 
dataUsingEncoding:NSUTF8StringEncoding]];
        [body appendData:[[NSString stringWithString:@"\r\n"] 
dataUsingEncoding:NSUTF8StringEncoding]];
        // setting the body of the post to the reqeust
        [request setHTTPBody:body];
        
        // now lets make the connection to the web
        NSData *returnData = [NSURLConnection sendSynchronousRequest:request 
returningResponse:nil error:nil];
        NSString *returnString = [[NSString alloc] initWithData:returnData 
encoding:NSUTF8StringEncoding];
        NSLog(@"%@",returnString);

}

And in my Djago app:
def upload_image(request):
    if request.method == 'POST':
        return request.FILES['file']
    return "NO imagen subida"
        
def subir(request,imagen):
    try:
        #some functions ......
        result =  upload_image(request)
        return HttpResponse(result)
    except Thrift.TException, tx:
        print '%s' % (tx.message)


but i have a error 500 and if i see the logs i have this:
Exception Type: MultiValueDictKeyError
Exception Value:        
"Key 'file' not found in <MultiValueDict: {}>"

Any idea?

thanks in advance..

(i'm a newbie with django and python)

Matías Hernandez Arellano
Ingeniero de Software/Proyectos en VisionLabs S.A
CDA Archlinux-CL
www.msdark.archlinux.cl




-- 
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com.
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en.