          /root #
          python                                                                                                      
          
          Python 2.7.5 Stackless 3.1b3 060516 (default, Oct 31 2013,
          16:45:11)                                                 

          [GCC 4.2.2] on
          linux2                                                                                               
          
          Type "help", "copyright", "credits" or "license" for more
          information.                                               

          >>> import
          XenAPI                                                                                                   
          
          >>> session =
          XenAPI.xapi_local()                                                                                   
          
          >>> session.login_with_password('',
          '')                                                                             
          
          Traceback (most recent call
          last):                                                                                  
          
            File "<stdin>", line 1, in
          <module>                                                                               
          
            File "/usr/lib/python2.7/site-packages/XenAPI.py", line 198,
          in <lambda>                                           

              return lambda *params: self._login(name,
          params)                                                                
          
            File "/usr/lib/python2.7/site-packages/XenAPI.py", line 171,
          in _login                                             

              self.API_version =
          self._get_api_version()                                                                      
          
            File "/usr/lib/python2.7/site-packages/XenAPI.py", line 186,
          in _get_api_version                                   

              pool =
          self.xenapi.pool.get_all()[0]                                                                            
          
            File "/usr/lib/python2.7/site-packages/XenAPI.py", line 245,
          in __call__                                           

              return self.__send(self.__name,
          args)                                                                           
          
            File "/usr/lib/python2.7/site-packages/XenAPI.py", line 149,
          in xenapi_request                                     

              result = _parse_result(getattr(self,
          methodname)(*full_params))                                                 
          
            File "/usr/lib/python2.7/site-packages/XenAPI.py", line 219,
          in _parse_result                                      

              raise
          Failure(result['ErrorDescription'])                                                                       
          
          XenAPI.Failure: ['MESSAGE_METHOD_UNKNOWN',
          'pool.get_all']                                                          
          
          >>>