jsonrpclib/history.py

   1 class History(object):
   2     """
   3     This holds all the response and request objects for a
   4     session. A server using this should call "clear" after
   5     each request cycle in order to keep it from clogging
   6     memory.
   7     """
   8     requests = []
   9     responses = []
  10     _instance = None
  11
  12     @classmethod
  13     def instance(cls):
  14         if not cls._instance:
  15             cls._instance = cls()
  16         return cls._instance
  17
  18     def add_response(self, response_obj):
  19         self.responses.append(response_obj)
  20
  21     def add_request(self, request_obj):
  22         self.requests.append(request_obj)
  23
  24     @property
  25     def request(self):
  26         if len(self.requests) == 0:
  27             return None
  28         else:
  29             return self.requests[-1]
  30
  31     @property
  32     def response(self):
  33         if len(self.responses) == 0:
  34             return None
  35         else:
  36             return self.responses[-1]
  37
  38     def clear(self):
  39         del self.requests[:]
  40         del self.responses[:]