[enh] yay, handle thumbnails in pictures-group

prosopopoee

@@ -22,6 +22,16 @@ class TemplateFunctions():
         print os.path.join(self.base_dir, image), "->", os.path.join(self.target_dir, image)
         return ""
 
+    def generate_thumbnail(self, image, gm_geometry):
+        thumbnail_name = image.split(".")
+        thumbnail_name[-2] += "-small"
+        thumbnail_name = ".".join(thumbnail_name)
+
+        command = "gm convert %s -resize %s %s" % (os.path.join(self.base_dir, image), gm_geometry, os.path.join(self.target_dir, thumbnail_name))
+        print command
+        os.system(command)
+        return thumbnail_name
+
 
 def error(test, error_message):
     if test:

templates/sections/pictures-group.html

@@ -5,7 +5,7 @@
                 {{ helpers.copy_image(image) }}
                 <div class="picture">
                     <a href="{{ image }}">
-                        <img src="{{ image }}">
+                        <img src="{{ helpers.generate_thumbnail(image, "x400") }}">
                     </a>
                 </div>
             {% if not loop.last %}