diag_pub.py

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#!/usr/bin/env python
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PKG = 'diagnostic_aggregator'
 
import roslib; roslib.load_manifest(PKG)
 
 
import rospy
from time import sleep
 
from diagnostic_msgs.msg import DiagnosticArray, DiagnosticStatus
 
if __name__ == '__main__':
    rospy.init_node('diag_pub')
    pub = rospy.Publisher('/diagnostics', DiagnosticArray, queue_size=10)
    
    array = DiagnosticArray()
    array.status = [
        # GenericAnalyzer prefix1
        DiagnosticStatus(0, 'pref1a', 'OK', '', []),
        DiagnosticStatus(1, 'pref1b', 'Warning', '', []),
        DiagnosticStatus(0, 'contains1a', 'OK', '', []),
        DiagnosticStatus(0, 'prefix1: contains1b', 'OK', '', []),
        DiagnosticStatus(0, 'name1', 'OK', '', []),
        DiagnosticStatus(0, 'prefix1: expected1a', 'OK', '', []),
        DiagnosticStatus(0, 'prefix1: expected1b', 'OK', '', []),
        DiagnosticStatus(0, 'prefix1: expected1c', 'OK', '', []),
        DiagnosticStatus(0, 'prefix1: expected1d', 'OK', '', []),
        DiagnosticStatus(0, 'find1_items: find_remove1a', 'OK', '', []),
        DiagnosticStatus(0, 'find1_items: find_remove1b', 'OK', '', []),
 
        # GenericAnalyzer prefix2
        DiagnosticStatus(0, 'contain2a', 'OK', '', []),
        DiagnosticStatus(0, 'contain2b', 'OK', '', []),
        DiagnosticStatus(0, 'name2', 'OK', '', []),
 
        # OtherAnalyzer for Other
        DiagnosticStatus(2, 'other1', 'Error', '', []),
        DiagnosticStatus(0, 'other2', 'OK', '', []),
        DiagnosticStatus(0, 'other3', 'OK', '', [])]
    array.header.stamp = rospy.get_rostime()
 
    while not rospy.is_shutdown():
        pub.publish(array)
        sleep(1)