From c140bf947d117dd7e220ccd2b7b0c5f2421edab0 2011-03-23 19:49:29
From: Fernando Perez <Fernando.Perez@berkeley.edu>
Date: 2011-03-23 19:49:29
Subject: [PATCH] Add support for (manually) activating logging, for now.

Eventually this will be done more cleanly, but for now we need *some*
way to turn logging back on during development.

---

diff --git a/IPython/zmq/ipkernel.py b/IPython/zmq/ipkernel.py
index 8a77e0c..a9f38cf 100755
--- a/IPython/zmq/ipkernel.py
+++ b/IPython/zmq/ipkernel.py
@@ -44,6 +44,21 @@ from zmqshell import ZMQInteractiveShell
 # Module-level logger
 logger = logging.getLogger(__name__)
 
+# FIXME: this needs to be done more cleanly later, once we have proper
+# configuration support.  This is a library, so it shouldn't set a stream
+# handler, see:
+# http://docs.python.org/library/logging.html#configuring-logging-for-a-library
+# But this lets us at least do developer debugging for now by manually turning
+# it on/off.  And once we have full config support, the client entry points
+# will select their logging handlers, as well as passing to this library the
+# logging level.
+
+if 0:  # dbg - set to 1 to actually see the messages.
+    logger.addHandler(logging.StreamHandler())
+    logger.setLevel(logging.DEBUG)
+
+# /FIXME
+
 #-----------------------------------------------------------------------------
 # Main kernel class
 #-----------------------------------------------------------------------------