geni/methods/list.py

   1 ### $Id$
   2 ### $URL$
   3
   4 from geni.util.faults import *
   5 from geni.util.method import Method
   6 from geni.util.parameter import Parameter, Mixed
   7 from geni.util.auth import Auth
   8 from geni.util.record import GeniRecord
   9
  10 from geni.server.registry import Registries
  11
  12 class list(Method):
  13     """
  14     List the records in an authority.
  15
  16     @param cred credential string specifying the rights of the caller
  17     @param hrn human readable name of authority to list
  18     @return list of record dictionaries
  19     """
  20
  21     interfaces = ['registry']
  22
  23     accepts = [
  24         Parameter(str, "Credential string"),
  25         Parameter(str, "Human readable name (hrn)")
  26         ]
  27
  28     returns = [GeniRecord]
  29
  30     def call(self, cred, hrn):
  31
  32         self.api.auth.check(cred, 'list')
  33         records = []
  34         try:
  35             if not self.api.auth.hierarchy.auth_exists(hrn):
  36                 raise MissingAuthority(hrn)
  37             table = self.api.auth.get_auth_table(hrn)
  38             records = table.list()
  39         except MissingAuthority:
  40             # is this a foreign authority
  41             registries = Registries(self.api)
  42             credential = self.api.getCredential()
  43             for registry in registries:
  44                 if hrn.startswith(registry) and registry not in [self.api.hrn]:
  45                     record_list = registries[registry].list(credential, hrn)
  46                     for record in record_list:
  47                         records.append(record.as_dict())
  48                     return records
  49
  50         return records