add a new integration option by simply redirecting to the thumbnail i…

…mage.

this method can be used by putting the rndpic URL in the src parameter of any <img> tag.

app.yaml

@@ -27,6 +27,9 @@ handlers:
 - url: /json/([^/]+)
   script: main.app
 
+- url: /img/([^/]+)
+  script: main.app
+
 - url: /
   script: root.app
 
@@ -48,3 +51,4 @@ skip_files:
 - ^(.*/)?.*/RCS/.*
 - ^(.*/)?\..*
 - ^google_appengine$
+- ^rndpic\.iml$

img_handler.py

@@ -0,0 +1,29 @@
+# rndpic - an App Engine app to display random pictures from Picasa Web.
+# Copyright (C) 2013 Patrick Moor <patrick@moor.ws>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import webapp2
+
+class ImgHandler(webapp2.RequestHandler):
+
+  def get(self, user_name):
+    size = self.request.get("size", "200u")
+    album_id = int(self.request.get("album_id", 0))
+    picture = webapp2.get_app().registry["picker"].Pick(
+        user_name, size, album_id)
+    if picture:
+      self.redirect(picture.GetThumbnailUrl().encode())
+    else:
+      self.response.set_status(204)

main.py

@@ -20,17 +20,19 @@
 from album_repository import AlbumRepository
 from picker import RandomPicturePicker
 
-from user_handler import UserHandler
+from img_handler import ImgHandler
 from json_handler import JsonHandler
+from user_handler import UserHandler
 
 
 repository = AlbumRepository(FeedRepository())
 picker = RandomPicturePicker(repository)
 
 app = webapp2.WSGIApplication(
     [
-      (r'/user/([^/]+)', UserHandler),
+      (r'/img/([^/]+)', ImgHandler),
       (r'/json/([^/]+)', JsonHandler),
+      (r'/user/([^/]+)', UserHandler),
     ],
     debug=False)
 app.registry["picker"] = picker