blobstore_upload.py

from google.appengine.api import images
from google.appengine.api import urlfetch
from google.appengine.ext import webapp
from google.appengine.ext import blobstore
from google.appengine.ext.webapp import blobstore_handlers


PAYLOAD_TEMPLATE = \
"""--==boundary\r
Content-Disposition: form-data; name="file"; filename="%s"\r
Content-Type: %s\r
\r
%s\r
--==boundary--\r"""


class Post(webapp.RequestHandler):
    upload = blobstore.create_upload_url('/upload')
    headers = {'Content-Type': 'multipart/form-data; boundary="==boundary"'}
    data = open("image.jpg", "r").read()
    body = PAYLOAD_TEMPLATE % ('image.jpg', 'image/jpeg', data)
    # !!! Hangs this request doesn't resolve on the dev_server or GAE.
    response = urlfetch.fetch(upload, body, 'POST', headers, False, False, 10.0)
    self.response.out.write('POSTed... %s' % response.final_url)

class Done(blobstore_handlers.BlobstoreUploadHandler):
    def post(self):
        blob_info = self.get_uploads()[0]
        next = images.get_serving_url(str(blob_info.key()))
        self.redirect(next)

application = webapp.WSGIApplication([
    ('/upload', Done),
    ('/', Post),
], debug=True)

def main():
    webapp.util.run_wsgi_app(application)

if __name__ == "__main__":
    main()