Oh, bummer. Is this functionality on the roadmap? Would it be a reasonable substitute to have a global topic to notify for config changes, which would allow the nodes to alert each other to re-check the param server? Or am I overthinking the problem? Mike On 27 May 2010 18:54, Ken Conley wrote: > Hi Mike, > > This feature isn't available in rospy currently. > > - Ken > > On Thu, May 27, 2010 at 3:19 PM, Mike Purvis > wrote: > > Hey all, > > I'm getting started on some work involving Parameter Server, and have a > few > > quick questions regarding the rospy interface. > > According to the documentation of the XMLRPC API, there's a subscription > > functionality that I'd like to take advantage of, to avoid polling for > > configuration updates: > > http://www.ros.org/wiki/ROS/Parameter%20Server%20API > > The rospy overview docs don't seem to include this method. > > http://www.ros.org/wiki/rospy/Overview/Parameter%20Server > > However, looking at the source in paramserver.py, there's clearly the > > following method defined: > > def subscribe_param(self, key, registration_args) > > But it's not clear what the "registration args" tuple is. It seems to end > up > > at the following call, inside masterdata.py: > > def register_param_subscriber(self, param, caller_id, caller_api) > > Is there an example somewhere of how to register the appropriate callback > to > > use subscribeParam from python? > > Thanks, > > Mike Purvis > > _______________________________________________ > > ros-users mailing list > > ros-users@code.ros.org > > https://code.ros.org/mailman/listinfo/ros-users > > > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users >