In paste.session, ignore files that aren't session files

2 files changed, 14 insertions, 7 deletions

diff --git a/docs/news.txt b/docs/news.txt
index 768899e..33474f0 100644
--- a/docs/news.txt
+++ b/docs/news.txt
@@ -13,6 +13,9 @@ svn trunk
   ``'application/x-www-form-urlencoded'`` whenever there are
   parameters (and no other content type was provided).
 
+* In ``paste.session``, when cleaning files ignore files that aren't
+  session files.
+
 1.4.2
 -----
 
diff --git a/paste/session.py b/paste/session.py
index e0ab242..fdcaff2 100644
--- a/paste/session.py
+++ b/paste/session.py
@@ -235,13 +235,17 @@ class FileSession(object):
         if len(t) != 2:
             return
         t = t[0]
-        sess_time = datetime.datetime(
-                int(t[0:4]),
-                int(t[4:6]),
-                int(t[6:8]),
-                int(t[8:10]),
-                int(t[10:12]),
-                int(t[12:14]))
+        try:
+            sess_time = datetime.datetime(
+                    int(t[0:4]),
+                    int(t[4:6]),
+                    int(t[6:8]),
+                    int(t[8:10]),
+                    int(t[10:12]),
+                    int(t[12:14]))
+        except ValueError:
+            # Probably not a session file at all
+            return
 
         if sess_time + exp_time < now:
             os.remove(os.path.join(self.session_file_path, f))