rMansuri.net

I have spend reasonable time to get parent object for navigation for zope/plone site.I have come up with my script which might be helpful for someone.

root = ('',)
vRoot = context.REQUEST.VirtualRootPhysicalPath
PARENTS = context.REQUEST.PARENTS

PARENTS.reverse()
if vRoot:
    root = vRoot #inside if block
    PARENTS = PARENTS[len(vRoot)-1:] #inside if block

try:
 if PARENTS[-1].meta_type != 'ATFolder':
     return PARENTS[-3]
 else:
     return PARENTS[-2]
except IndexError :
 return PARENTS[0]