Ros python subscriber

#!/usr/bin/env python
import rospy
from std_msgs.msg import String

def callback(data):
    rospy.loginfo(rospy.get_caller_id() + "I heard %s", data.data)
    
def listener():

    rospy.init_node('listener', anonymous=True)

    rospy.Subscriber("chatter", String, callback)

    rospy.spin()

if __name__ == '__main__':
    listener()

Source: wiki.ros.org

Ros beginner tutorial python publisher

   1 #!/usr/bin/env python
   2 # license removed for brevity
   3 import rospy
   4 from std_msgs.msg import String
   5 
   6 def talker():
   7     pub = rospy.Publisher('chatter', String, queue_size=10)
   8     rospy.init_node('talker', anonymous=True)
   9     rate = rospy.Rate(10) # 10hz
  10     while not rospy.is_shutdown():
  11         hello_str = "hello world %s" % rospy.get_time()
  12         rospy.loginfo(hello_str)
  13         pub.publish(hello_str)
  14         rate.sleep()
  15 
  16 if __name__ == '__main__':
  17     try:
  18         talker()
  19     except rospy.ROSInterruptException:
  20         pass

Source: wiki.ros.org

Similar codes

0 vote138 views1 answer
Extract label from tf data
Python
0 vote125 views1 answer
Python utf upper()
Python
0 vote140 views1 answer
Limit for loop python
Python
0 vote126 views1 answer
How to apply 1nf dataframe in python
Python
1 vote125 views1 answer
Hex to binary python3
Python
7 votes136 views4 answers
How to create 2d list in python
Python
2 votes130 views2 answers
Python replace newline
Python
0 vote130 views1 answer
Python insert sorted
Python
0 vote121 views1 answer
Manage python environment in jupyterlab
Python
0 vote129 views1 answer
What does filter do in stackapi python
Python