def __call__(self, *args):
# Download the image data from Picnik's servers
image_data = self.fetch_image()
if not image_data:
# Download failed ... this shouldn't happen very often,
# but you might want to put some retry logic in your app
logger.error("Sorry, the image download failed.")
return "image fail to update"
# Save the image
self.update_context()
self.request.response.redirect(self.context.absolute_url()+'/view')
def get_image_url(self):
"""Extract image url from the request and make some checks"""
#Make sure we've been sent an image url
image_url = self.request.form.get('file', None)
if not image_url:
logger.error("No image url has been provide")
return ''
# Make sure that the image came from picnik. We don't want anyone
# sending us data we didn't ask for!
image_url = urllib.unquote(image_url)
if not image_url.startswith("http://www.picnik.com") and not image_url.startswith("http://www.picnikr.com"):
logger.error("Sorry, the image URL doesn't seem right: %s"%image_url)
return ''
return image_url
def apikey(self):
apikey = self.configuration.apikey
if not apikey:
logger.error('You must provide an api key first')
return apikey