code: def _get_requested_databases(self):
          
          requested_databases = []
          if ((self._requested_namespaces is not None) and
                  (self._requested_namespaces != [])):
              for requested_namespace in self._requested_namespaces:
                  if requested_namespace[0] is '*':
                      return []
                  elif requested_namespace[0] not in IGNORE_DBS:
                      requested_databases.append(requested_namespace[0])
          return requested_databases
docs: Returns a list of databases requested, not including ignored dbs