old_contents: ### $Id: stop_slice.py 15428 2009-10-23 15:28:03Z tmack $
  ### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/stop_slice.py $
  
  from sfa.util.faults import *
  from sfa.util.misc import *
  from sfa.util.method import Method
  from sfa.util.parameter import Parameter, Mixed
  from sfa.trust.auth import Auth
  
  class stop_slice(Method):
      """
      Stop the specified slice      
  
      @param cred credential string specifying the rights of the caller
      @param hrn human readable name of slice to instantiate
      @return 1 is successful, faults otherwise  
      """
  
      interfaces = ['component']
      
      accepts = [
          Parameter(str, "Credential string"),
          Parameter(str, "Human readable name of slice to instantiate"),
          Mixed(Parameter(str, "Request hash"),
                Parameter(None, "Request hash not specified"))
          ]
  
      returns = Parameter(int, "1 if successful")
      
      def call(self, cred, hrn, request_hash=None):
          # This cred will be an slice cred, not a user, so we cant use it to
          # authenticate the caller's request_hash. Let just get the caller's gid
          # from the cred and authenticate using that
          client_gid = Credential(string=cred).get_gid_caller()
          client_gid_str = client_gid.save_to_string(save_parents=True)
          self.api.auth.authenticateGid(client_gid_str, [cred, hrn], request_hash)
          self.api.auth.check(cred, 'stopslice')
          self.api.nodemanager.Stop(hrn)
          
          return 1 
  
new_contents: ### $Id: stop_slice.py 15428 2009-10-23 15:28:03Z tmack $
  ### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/stop_slice.py $
  
  from sfa.util.faults import *
  from sfa.util.misc import *
  from sfa.util.method import Method
  from sfa.util.parameter import Parameter, Mixed
  
  class stop_slice(Method):
      """
      Stop the specified slice      
  
      @param cred credential string specifying the rights of the caller
      @param hrn human readable name of slice to instantiate
      @return 1 is successful, faults otherwise  
      """
  
      interfaces = ['component']
      
      accepts = [
          Parameter(str, "Credential string"),
          Parameter(str, "Human readable name of slice to instantiate"),
          Mixed(Parameter(str, "Request hash"),
                Parameter(None, "Request hash not specified"))
          ]
  
      returns = Parameter(int, "1 if successful")
      
      def call(self, cred, hrn, request_hash=None):
          # This cred will be an slice cred, not a user, so we cant use it to
          # authenticate the caller's request_hash. Let just get the caller's gid
          # from the cred and authenticate using that
          client_gid = Credential(string=cred).get_gid_caller()
          client_gid_str = client_gid.save_to_string(save_parents=True)
          self.api.auth.authenticateGid(client_gid_str, [cred, hrn], request_hash)
          self.api.auth.check(cred, 'stopslice')
          self.api.nodemanager.Stop(hrn)
          
          return 1 
  
subject: remove unnecessary import