roslib.message.get_message_class python node error

roslib
rospy

asked 2012-12-11 00:49:02 -0500

safzam
109 ●29 ●34 ●38

updated 2012-12-11 01:03:43 -0500

Martin Günther

11816 ●82 ●159 ●198 https://www.dfki.de/en...

Hi, I want to know the class of message giving message type via following one code line. I run this python node on(Fuerte/Ubuntu 12.04) and get following error while the same code does not give any error when I run it on (electric Ubuntu 10.04).

error:

msg_class = roslib.message.get_message_class(self.topic_type)
AttributeError: 'module' object has no attribute 'message'

Do I need to update roslib?

Thanks

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answered 2012-12-11 01:09:11 -0500

Martin Günther

11816 ●82 ●159 ●198 https://www.dfki.de/en...

You need to have the following import:

import roslib.message

(not just import roslib).

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Thanks a lot

safzam ( 2012-12-11 03:09:49 -0500 )edit

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answered 2012-12-11 01:05:53 -0500

Lorenz

22731 ●129 ●202 ●316 http://ias.in.tum.de/p...

roslib.message.get_message_class is definitely provided by Fuerte's roslib. Did you maybe just forget to import it?

import roslib.message

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You beat me to it! :-)

Martin Günther ( 2012-12-11 01:09:44 -0500 )edit

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