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/')
def get(self):
"Responds to GET requets with the admin interface"
# query the datastore for images owned by
# the current user. You can't see anyone elses images
# in the admin
images = Image.all()
images.filter("user ="******"-date")
# we are enforcing loggins so we know we have a user
user = users.get_current_user()
# we need the logout url for the frontend
logout = users.create_logout_url("/")
# prepare the context for the template
context = {
"images": images,
"logout": logout,
}
# calculate the template path
path = os.path.join(os.path.dirname(__file__), 'templates',
'index.html')
# render the template with the provided context
self.response.out.write(template.render(path, context))
