[ROS Q&A] 058 - Service global name error

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Q: I'm having a lot of troubles doing the following in ROS: I would like to subscribe to a fakeARpublisher and resend a pose information through a service. In short, I did a script that it is subscribed to a topic and at the same time acts like a server for a service called LocalizePart. The code is given below:

A: Hello,

I had formatted your code got something like this:

Finally, I've reproduced your problem and concluded that to solve it you only have to import the server response library.

ROS creates 3 classes for each service message: Service definition, Request message and Response message. You should take a look here: http://wiki.ros.org/rospy/Overview/Services

Following the code I've posted, I had just to replace this:

from myworkcell.srv import LocalizePart

with this:

from myworkcell.srv import LocalizePart, LocalizePartResponse

I hope it can help you!

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