src/web/iuse.py

   1 #!/usr/bin/python
   2
   3 import logging
   4 import tornado.web
   5
   6 from . import base
   7
   8 class ImageHandler(base.BaseHandler):
   9         def write_error(self, status_code, **kwargs):
  10                 """
  11                         Select a random image from the errors directory
  12                         and return the content.
  13                 """
  14                 self.set_expires(3600)
  15
  16                 # Redirect to static image
  17                 self.redirect(self.static_url("img/iuse-not-found.png"))
  18
  19         def get(self, profile_id, image_id):
  20                 when = self.get_argument_date("when", None)
  21
  22                 profile = self.fireinfo.get_profile_with_data(profile_id, when=when)
  23                 if not profile:
  24                         raise tornado.web.HTTPError(404, "Profile '%s' was not found." % profile_id)
  25
  26                 logging.info("Rendering new image for profile: %s" % profile_id)
  27
  28                 image_cls = self.iuse.get_imagetype(image_id)
  29                 if not image_cls:
  30                         raise tornado.web.HTTPError(404, "Image class is unknown: %s" % image_id)
  31
  32                 # Render the image
  33                 image = image_cls(self.backend, self, profile).to_string()
  34
  35                 # Cache generate images for 3 hours
  36                 self.set_expires(3600 * 3)
  37
  38                 self.set_header("Content-Type", "image/png")
  39                 self.write(image)