def handle(self, status_code, query):
color = cacheable = None
if status_code in self.response_error_codes:
color, cacheable, authorize_stale = self.response_error_codes[
status_code]
elif 'other' in self.response_error_codes:
color, cacheable, authorize_stale = self.response_error_codes[
'other']
else:
return None
transparent = len(color) == 4
image_opts = ImageOptions(bgcolor=color, transparent=transparent)
img_source = BlankImageSource(query.size,
image_opts,
cacheable=cacheable)
img_source.authorize_stale = authorize_stale
return img_source
