old_contents: import json
  
  from .publisher import Publisher
  from .common import DEFAULT_PUB_PORT
  from .common import DEFAULT_HOST
  from .env import get_master_host
  
  
  class JsonMultiplePublisher(object):
  
      '''publish multiple topics by one json message
  
      Example:
  
      >>> p = JsonMultiplePublisher()
      >>> p.publish('{"topic1": 1.0, "topic2": {"x": 0.1}}')
      '''
  
      def __init__(self, host=get_master_host(), pub_port=DEFAULT_PUB_PORT):
          self._pub = Publisher('*', host=host, pub_port=pub_port)
  
      def publish(self, json_msg):
          '''
          json_msg = '{"topic1": 1.0, "topic2": {"x": 0.1}}'
          '''
          pyobj = json.loads(json_msg)
          for topic, value in pyobj.items():
              msg = '{topic} {data}'.format(topic=topic, data=json.dumps(value))
              self._pub.publish(msg)
  
new_contents: import json
  
  from .publisher import Publisher
  from .common import DEFAULT_PUB_PORT
  from .common import DEFAULT_HOST
  from .env import get_master_host
  
  
  class JsonMultiplePublisher(object):
  
      '''publish multiple topics by one json message
  
      Example:
  
      >>> p = JsonMultiplePublisher()
      >>> p.publish('{"topic1": 1.0, "topic2": {"x": 0.1}}')
      '''
  
      def __init__(self, host=get_master_host(), pub_port=DEFAULT_PUB_PORT):
          self._pub = Publisher('*', host=host, pub_port=pub_port)
  
      def publish(self, json_msg):
          '''
          json_msg = '{"topic1": 1.0, "topic2": {"x": 0.1}}'
          '''
          pyobj = json.loads(json_msg)
          for topic, value in pyobj.items():
              msg = '{topic} {data}'.format(topic=topic, data=json.dumps(value))
              self._pub.publish(msg)
  
  
  class MultiplePublisher(object):
      def __init__(self, base_topic_name):
          self._publishers = {}
          self._base_topic_name = base_topic_name
  
      def publish(self, msg, topic_suffix=''):
          if topic_suffix not in self._publishers:
              self._publishers[topic_suffix] = Publisher(self._base_topic_name + topic_suffix)
          self._publishers[topic_suffix].publish(msg)
  
subject: Add MultiplePublisher to handle topic name suffix