Template panel context cleanup.

All panels get a copy of the template context when created and use an updated
copy when rendering so they can have full access to context vars and avoid
making changes to the shared context.

Signed-off-by: Rob Hudson <rob@cogit8.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/debug_toolbar/panels/timer.py b/debug_toolbar/panels/timer.py
index 583c1c0..d866166 100644
--- a/debug_toolbar/panels/timer.py
+++ b/debug_toolbar/panels/timer.py
@@ -84,7 +84,10 @@ class TimerDebugPanel(DebugPanel):
 #            ('Page faults', '%d no i/o, %d requiring i/o' % (minflt, majflt)),
 #            ('Disk operations', '%d in, %d out, %d swapout' % (blkin, blkout, swap)),
         )
-        context = {
+
+        context = self.context.copy()
+        context.update({
             'rows': rows,
-        }
+        })
+
         return render_to_string('debug_toolbar/panels/timer.html', context)