def post(self):
"""
Note: BlobstoreUploadHandler POSTs must return a redirect
"""
logging.info("starting post")
upload_files = self.get_uploads()
handle = self.request.get("handle")
signature = self.request.get("signature")
logging.info("Handling post for handle=%s signature=%s" % (handle, signature))
try:
if len(upload_files) > 0:
blob_info = upload_files[0]
data = blobstore.fetch_data(blob_info.key(), 0, blob_info.size)
imgtemp = images.Image(image_data=data)
width = imgtemp.width
height = imgtemp.height
logging.info("Got upload %s => handle=%s size=%dx%d" % (blob_info.__dict__, handle, width, height))
if is_alphanumeric(handle) and \
is_alphanumeric(signature) and \
is_signature_valid(handle, signature):
image = find_image_by_handle(handle)
api_response = "/image/info?handle=%s&signature=%s" % (handle, signature)
if image is not None:
# TODO: add an option to clobber an existing image
response = { 'handle': image.handle, 'created_at': image.created_at.isoformat(), 'status': image.status }
logging.info("Image already exists: %s" % response)
self.redirect(api_response)
return
image = ImageAsset(handle=handle, status="done", width=width, height=height, blob_key=blob_info.key())
image.put()
if (self.request.get("return")):
# this was submitted by the Gallery form
self.redirect(self.request.get("return"))
else:
# this was submitted by an API client
logging.info("Created image: %s" % image)
# TODO: callback to the BC API to update that the image submission completed
self.redirect(api_response)
return
else:
logging.error("Invalid params: handle=%s signature=%s" % (handle, signature))
else:
media = self.request.get("media")
logging.error("Nothing uploaded? %s" % upload_files)
logging.error("media = %s" % media)
logging.error("Request data: %s" % self.request.__dict__)
#except blobstore.BlobFetchSizeTooLargeError, e:
# self.redirect("/image/error?handle=%s&signature=%s&error=%s" % (handle, signature, urllib.quote(str(e)))
# return
#except DeadlineExceededError, e:
# self.redirect("/image/error?handle=%s&signature=%s&error=%s" % (handle, signature, urllib.quote(str(e)))
# return
except:
logging.error("Request data: %s" % self.request.__dict__)
logging.error("Image upload failed: ", exc_info=1)
# TODO (maybe): redirect to an error handler
self.error(500)