def post(self):
"Upload via a multitype POST message"
img = self.request.get("img")
# if we don't have image data we'll quit now
if not img:
self.redirect('/imagehost/')
return
# we have image data
try:
# check we have numerical width and height values
width = int(self.request.get("width"))
height = int(self.request.get("height"))
except ValueError:
# if we don't have valid width and height values
# then just use the original image
image_content = img
else:
# if we have valid width and height values
# then resize according to those values
image_content = images.resize(img, width, height)
# get the image data from the form
original_content = img
# always generate a thumbnail for use on the admin page
thumb_content = images.resize(img, 100, 100)
# create the image object
image = Image()
# and set the properties to the relevant values
image.image = db.Blob(image_content)
# we always store the original here in case of errors
# although it's currently not exposed via the frontend
image.original = db.Blob(original_content)
image.thumb = db.Blob(thumb_content)
image.user = users.get_current_user()
# store the image in the datasore
image.put()
# and redirect back to the admin page
self.redirect('/imagehost/')
