[Zope-Checkins] CVS: Zope/lib/python/OFS - Application.py:1.157.4.1 Traversable.py:1.8.20.1

[Shane Hathaway]

Update of /cvs-repository/Zope/lib/python/OFS
In directory cvs.zope.org:/tmp/cvs-serv5844

Modified Files:
      Tag: ComponentArchitecture-branch
	Application.py Traversable.py 
Log Message:
Began adding module-level functions for the methods of Traversable.


=== Zope/lib/python/OFS/Application.py 1.157 => 1.157.4.1 ===
     web__form__method='GET'
     isTopLevelPrincipiaApplicationObject=1
+    _isTopLevelApplicationObject=1
     _isBeingUsedAsAMethod_=0
 
     # Create the help system object


=== Zope/lib/python/OFS/Traversable.py 1.8 => 1.8.20.1 ===
 from urllib import quote
 
+from Acquisition import aq_base, aq_get, aq_inner, aq_parent
+
+
 _marker=[]
 StringType=type('')
+
+
+def getPhysicalRootOf(ob):
+    try:
+        func = aq_get(ob, 'getPhysicalRoot', None, 1)
+    except AttributeError:
+        return ob
+    else:
+        if func is not None:
+            return func()
+        else:
+            return ob
+
+def getPhysicalPathOf(ob):
+    r = []
+    while ob is not None:
+        if getattr(ob, '_isTopLevelApplicationObject', 0):
+            break
+        base = aq_base(ob)
+        # XXX should be looking for "aq_name" or whatever it will be called.
+        if hasattr(base, 'getId'):
+            r.append(ob.getId())
+        elif hasattr(base, '__name__'):
+            r.append(ob.__name__)
+        if hasattr(base, 'im_self'):
+            # SECURITY HOLE: im_self can be impersonated.
+            ob = ob.im_self
+        else:
+            ob = aq_parent(aq_inner(ob))
+    r.append('')
+    r.reverse()
+    return tuple(r)    
+
 
 class Traversable: