use tornado logging in NotebookApp

- remove date, only log time
- shorter prefix
- colored output
- just seems nicer

IPython/html/notebookapp.py

@@ -1,23 +1,11
 # coding: utf-8
-"""A tornado based IPython notebook server.
+"""A tornado based IPython notebook server."""
 
-Authors:
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
 
-* Brian Granger
-"""
 from __future__ import print_function
-#-----------------------------------------------------------------------------
-#  Copyright (C) 2013  The IPython Development Team
-#
-#  Distributed under the terms of the BSD License.  The full license is in
-#  the file COPYING, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
 
-# stdlib
 import errno
 import io
 import json
@@ -33,7 +21,6 import time
 import webbrowser
 
 
-# Third party
 # check for pyzmq 2.1.11
 from IPython.utils.zmqrelated import check_for_zmq
 check_for_zmq('2.1.11', 'IPython.html')
@@ -60,8 +47,8 if version_info < (3,1,0):
 
 from tornado import httpserver
 from tornado import web
+from tornado.log import LogFormatter
 
-# Our own libraries
 from IPython.html import DEFAULT_STATIC_FILES_PATH
 from .base.handlers import Template404
 from .log import log_request
@@ -321,13 +308,19 class NotebookApp(BaseIPythonApplication):
     )
 
     kernel_argv = List(Unicode)
+    
+    _log_formatter_cls = LogFormatter
 
     def _log_level_default(self):
         return logging.INFO
 
+    def _log_datefmt_default(self):
+        """Exclude date from default date format"""
+        return "%H:%M:%S"
+    
     def _log_format_default(self):
         """override default log format to include time"""
-        return u"%(asctime)s.%(msecs).03d [%(name)s]%(highlevel)s %(message)s"
+        return u"%(color)s[%(levelname)1.1s %(asctime)s.%(msecs).03d %(name)s]%(end_color)s %(message)s"
 
     # create requested profiles by default, if they don't exist:
     auto_create = Bool(True)
@@ -596,10 +589,10 class NotebookApp(BaseIPythonApplication):
         self.log.propagate = False
         
         # hook up tornado 3's loggers to our app handlers
-        for name in ('access', 'application', 'general'):
-            logger = logging.getLogger('tornado.%s' % name)
-            logger.parent = self.log
-            logger.setLevel(self.log.level)
+        logger = logging.getLogger('tornado')
+        logger.propagate = True
+        logger.parent = self.log
+        logger.setLevel(self.log.level)
     
     def init_webapp(self):
         """initialize tornado webapp and httpserver"""