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