Changeset 0a16e59b8359f2f6c6ebc082679c103d1817eb2b

Timestamp:

10/22/09 20:06:19 (9 months ago)

Author:

Lincoln de Sousa <lincoln@…>

Parents:

ab4d5f5ab5431aa9f3164d7bbe3129d4a3733059

git-committer:

Lincoln de Sousa <lincoln@minaslivre.org> / 2009-10-22T20:06:19Z-0200

Message:

Implementing a stupid cache system to our thumbnails.

Files:

• contents/views.py (modified) (1 diff)

contents/views.py

@@ -49 +49 @@
 def picture_thumb(request, pid):
     obj = get_object_or_404(Picture, pk=pid)
-    img = Image.open(obj.image.path)
-    img.thumbnail(THUMB_SIZE, Image.ANTIALIAS)
-    buf = StringIO()
-    img.save(buf, 'PNG')
-    return HttpResponse(buf.getvalue(), content_type='image/png')
+    name, ext = os.path.splitext(obj.image.path)
+    nname = '%s.thumb%s' % (name, ext)
+
+    # Disk cache lookup
+    if os.path.exists(nname):
+        data = open(nname).read()
+    else:
+        img = Image.open(obj.image.path)
+        img.thumbnail(THUMB_SIZE, Image.ANTIALIAS)
+        buf = StringIO()
+        img.save(buf, 'PNG')
+        data = buf.getvalue()
+        open(nname, 'wb').write(data)
+    return HttpResponse(data, content_type='image/png')
 
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