I'm pretty sure you can't, by design. "Apps never access blob data directly; instead, blobs are created indirectly, by a submitted web form or other HTTP POST request, and served indirectly through the Blobstore API."
http://code.google.com/appengine/docs/python/blobstore/overview.html On Thu, Feb 4, 2010 at 1:46 PM, Rafael Nunes <rafael.j...@gmail.com> wrote: > Is there any way to replace an object in Blobstore? > > I can upload files to Blobstore without problems, but sometimes users > upload files in wrong sizes. > So I would like to get the uploaded file, resize it and store it on > Blobstore. > > I'm using Java to do it. > I tried to resize file and than make a new http request to the app, > but the Blobstore does not get the new Image. > > Any ideas about what I want to do? > I didn't find anything in the docs that could help me to replace an > blobstore object too. > > Best regards, > Rafael > www.yaw.com.br > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.