# HG changeset patch
# User Brian Neal <bgneal@gmail.com>
# Date 1369459360 18000
# Node ID ddc189ff96bbd214de996bdac8e5e500f394e50d
# Parent  86d04190ff4edab9fdae598eec9398d8ab6c0f16
For issue #46, mangle part of current time into avatar name to
bust browser caches.

diff -r 86d04190ff4e -r ddc189ff96bb bio/models.py
--- a/bio/models.py	Fri May 24 23:42:49 2013 -0500
+++ b/bio/models.py	Sat May 25 00:22:40 2013 -0500
@@ -64,10 +64,14 @@
 
 
 def avatar_file_path(instance, filename):
+    # The avatar's name is the username plus the current time plus the file
+    # extension. The time is used to bust browser caches.
+    # Get extension, if it exists:
     ext = os.path.splitext(filename)[1]
     if not ext:
         ext = '.jpg'
-    avatar_name = instance.user.username + ext
+    avatar_name = "{}{}{}".format(instance.user.username,
+            datetime.datetime.utcnow().strftime('%S%f'), ext)
     return os.path.join(settings.AVATAR_DIR, 'users', avatar_name)