Added logging to hooke.util.callback's callback routines.

[hooke.git] / hooke / util / callback.py

diff --git a/hooke/util/callback.py b/hooke/util/callback.py
index ec7895c6569c48fa63148ec0a4b3dd1336231d8b..0e76e815001cc1026784ca071850645a90f5489b 100644 (file)
--- a/hooke/util/callback.py
+++ b/hooke/util/callback.py
@@ -1,10 +1,28 @@
-# Copyright
+# Copyright (C) 2010 W. Trevor King <wking@drexel.edu>
+#
+# This file is part of Hooke.
+#
+# Hooke is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# Hooke is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
+# Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with Hooke.  If not, see
+# <http://www.gnu.org/licenses/>.
 
 """Define the `@callback` decorator.
 
 See :pep:`318` for an introduction to decorators.
 """
 
+import logging
+
 from .caller import caller_name
 
 
@@ -123,12 +141,14 @@ def callback(method):
     def new_m(self, *args, **kwargs):
         result = method(self, *args, **kwargs)
         callback = self._callbacks.get(method.func_name, None)
-        nm = getattr(self, method.func_name)
+        mn = getattr(self, method.func_name)
+        log = logging.getLogger('hooke')
+        log.debug('callback: %s (%s) calling %s' % (method.func_name, mn, callback))
         if is_iterable(callback):
             for cb in callback:
-                cb(self, nm, result)
+                cb(self, mn, result)
         elif callback != None:
-            callback(self, nm, result)
+            callback(self, mn, result)
         return result
     new_m.func_name = method.func_name
     new_m.func_doc = method.func_doc
@@ -222,9 +242,11 @@ def in_callback(self, *args, **kwargs):
     """
     method_name = caller_name(depth=2)
     callback = self._callbacks.get(method_name, None)
-    nm = getattr(self, method_name)
+    mn = getattr(self, method_name)
+    log = logging.getLogger('hooke')
+    log.debug('callback: %s (%s) calling %s' % (method_name, mn, callback))
     if is_iterable(callback):
         for cb in callback:
-            cb(self, nm, *args, **kwargs)
+            cb(self, mn, *args, **kwargs)
     elif callback != None:
-        callback(self, nm, *args, **kwargs)
+        callback(self, mn, *args, **kwargs)