[Checkins] SVN: zope.traversing/trunk/ Moved the implementation of zope.traversing.api.getParent() to

[Thomas Lotze]

Log message for revision 104059:
  Moved the implementation of zope.traversing.api.getParent() to
  zope.location.interfaces.ILocationInfo, analogous to getParents().
  

Changed:
  U   zope.traversing/trunk/CHANGES.txt
  U   zope.traversing/trunk/src/zope/traversing/api.py

-=-
Modified: zope.traversing/trunk/CHANGES.txt
===================================================================
--- zope.traversing/trunk/CHANGES.txt	2009-09-15 12:55:51 UTC (rev 104058)
+++ zope.traversing/trunk/CHANGES.txt	2009-09-15 12:58:19 UTC (rev 104059)
@@ -5,6 +5,8 @@
 3.7.3 (unreleased)
 ------------------
 
+- Moved the implementation of zope.traversing.api.getParent() to
+  zope.location.interfaces.ILocationInfo, analogous to getParents().
 
 3.7.2 (2009-08-29)
 ------------------

Modified: zope.traversing/trunk/src/zope/traversing/api.py
===================================================================
--- zope.traversing/trunk/src/zope/traversing/api.py	2009-09-15 12:55:51 UTC (rev 104058)
+++ zope.traversing/trunk/src/zope/traversing/api.py	2009-09-15 12:58:19 UTC (rev 104059)
@@ -129,18 +129,9 @@
     Raises TypeError if the object doesn't have enough context to get the
     parent.
     """
-    
-    if IRoot.providedBy(obj):
-        return None
-    
-    parent = getattr(obj, '__parent__', None)
-    if parent is not None:
-        return parent
+    return ILocationInfo(obj).getParent()
 
-    raise TypeError("Not enough context information to get parent", obj)
 
-
-
 def getParents(obj):
     """Returns a list starting with the given object's parent followed by
     each of its parents.