Saving animated GIFs using urllib.urlopen (image saved does not animate)

Posted by wenbert on Stack Overflow See other posts from Stack Overflow or by wenbert
Published on 2011-01-10T03:14:59Z Indexed on 2011/01/10 9:53 UTC
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I have Apache2 + Django + X-sendfile. My problem is that when I upload an animated GIF, it won't "animate" when I output through the browser.

Here is my code to display the image located outside the public accessible directory.

def raw(request,uuid):
    target = str(uuid).split('.')[:-1][0]
    image = Uploads.objects.get(uuid=target)

    path = image.path
    filepath = os.path.join(path,"%s.%s" % (image.uuid,image.ext))

    response = HttpResponse(mimetype=mimetypes.guess_type(filepath)) 
    response['Content-Disposition']='filename="%s"'\
                                    %smart_str(image.filename)
    response["X-Sendfile"] = filepath
    response['Content-length'] = os.stat(filepath).st_size

    return response

UPDATE

It turns out that it works. My problem is when I try to upload an image via URL. It probably doesn't save the entire GIF?

def handle_url_file(request):
    """
    Open a file from a URL.
    Split the file to get the filename and extension.
    Generate a random uuid using rand1()
    Then save the file.
    Return the UUID when successful.
    """

    try:
        file = urllib.urlopen(request.POST['url'])
        randname = rand1(settings.RANDOM_ID_LENGTH)
        newfilename = request.POST['url'].split('/')[-1]
        ext = str(newfilename.split('.')[-1]).lower()
        im = cStringIO.StringIO(file.read()) # constructs a StringIO holding the image
        img = Image.open(im)

        filehash = checkhash(im)

        image = Uploads.objects.get(filehash=filehash)
        uuid = image.uuid

        return "%s" % (uuid)

    except Uploads.DoesNotExist:

        img.save(os.path.join(settings.UPLOAD_DIRECTORY,(("%s.%s")%(randname,ext))))
        del img

        filesize = os.stat(os.path.join(settings.UPLOAD_DIRECTORY,(("%s.%s")%(randname,ext)))).st_size
        upload = Uploads(
            ip          = request.META['REMOTE_ADDR'],
            filename    = newfilename,
            uuid        = randname,
            ext         = ext,
            path        = settings.UPLOAD_DIRECTORY,
            views       = 1,
            bandwidth   = filesize,
            source      = request.POST['url'],
            size        = filesize,
            filehash    = filehash,
        )

        upload.save()
        #return uuid
        return "%s" % (upload.uuid)
    except IOError, e:
        raise e

Any ideas?

Thanks!

Wenbert

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