BFG traversal outline

bfg_traversal_outline.py

class Node(object):
    def __init__(self, db, name, parent, data):
        self.db = db
        self.data = data or {}
        self.__name__ = self.data.get('__name__', None)
        self.__parent__ = self.data.get('__parent__', None)

    def __getitem__(self, name):
        data = self.db.find_data_where_parent_is_my_objectid_and_name_is_name()
        return Node(self.db, name, self, data)
      

def root_factory(request):
    return Node(db, None, None, None)

From a paste by chrismcdonough at http://paste.ofcode.org/d9WWyxvUxSHGFDN6nPzgHp