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Questions - rospy

How to define optional arguments in ROS service request

I want to define optional arguments in my ROS service request, the .srv file looks like this: abb_rapid_msgs/RobTarget pickpoint abb_rapid_msgs/RobTarget placepoint bool leftarm # Optional Parameters ...
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Bilal

python

ros

rospy

Votes: 0

Answers: 1

Latest Answer

Unfortunately there is no support for optional fields in either service or message files; it has been proposed a couple of times, though. Instead, you can add another field to your srv to work as a bi...
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BTables

error python code: AttributeError: 'bytes' object has no attribute 'encode'

I'm all trying to pass a code from python2.7 to 3.8 but I'm stuck on the following code: def serial_handle(self): # Serial initialization try: self.serial.reset_input_buffer() ...
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andres jimenez

python

python-3.x

ros

rospy

Votes: 0

Answers: 1

Latest Answer

It looks like you have a byte string init_msg that you want to turn into a unicode string. You probably wanted to use decode instead of encode: rospy.loginfo( init_msg.decode('utf-8')[0:(len(init_msg)...
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