Source Code for Module ndg.xacml.core.context.pipinterface

 1  """NDG XACML Policy Information Point interface definition 
 2   
 3  """ 
 4  __author__ = "P J Kershaw" 
 5  __date__ = "15/07/10" 
 6  __copyright__ = "(C) 2010 Science and Technology Facilities Council" 
 7  __contact__ = "Philip.Kershaw@stfc.ac.uk" 
 8  __license__ = "BSD - see LICENSE file in top-level directory" 
 9  __contact__ = "Philip.Kershaw@stfc.ac.uk" 
10  __revision__ = "$Id:$" 
11  from abc import ABCMeta, abstractmethod 
12   
13   
14 -class PIPInterface(object): 
15      """Interface class for XACML Policy Information Point.  The PDP can relay  
16      attribute queries back via the Context handler to the PIP in order to help 
17      it in making an access control decision 
18      """ 
19      __metaclass__ = ABCMeta 
20      __slots__ = () 
21       
22      @abstractmethod 
23 -    def attributeQuery(self, context, attributeDesignator): 
24          """Query this PIP for attributes""" 
25          return [] 
26