geni/methods/list.py

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