Added event_mon.set_default_event

infra_libs/event_mon/config.py

Index: infra_libs/event_mon/config.py
diff --git a/infra_libs/event_mon/config.py b/infra_libs/event_mon/config.py
index df898d3afb9ed83fdb1ec0bd342485325b919bc5..438bc2fc76f60ea020890e27b354d574aafab233 100644
--- a/infra_libs/event_mon/config.py
+++ b/infra_libs/event_mon/config.py
@@ -165,6 +165,20 @@ def setup_monitoring(run_type='dry',
                                       dry_run=dry_run)
 
 
+def set_default_event(event):
+  """Change the default ChromeInfraEvent used to compute all events.
+
+  Args:
+    event (ChromeInfraEvent): default event
+  """
+  if not isinstance(event, ChromeInfraEvent):
+    logging.error('A ChromeInfraEvent is required as the default event. Got %s',

[dsansome, 2015/10/29 00:51:54]

Feels like you ought to raise a TypeError or ValueError since this is a
programmer error, not a user error.

[pgervais, 2015/10/29 17:11:24]

Done.

+                  type(event))
+    return
+
+  _cache['default_event'] = event
+
+
 def close():
   """Reset the state.