Using new linetrace setup

Author: mklomp

mirte_robot/linetrace.py

@@ -2,6 +2,7 @@
 #TODO: for debugging purposes we could *also* listen to keyboard events
 
 import sys
+import os
 import logging
 from importlib.machinery import SourceFileLoader
 import time
@@ -37,6 +38,11 @@ def traceit(frame, event, arg):
           return
        return trace_lines
 
+    # Send the PID to the web interface and give it some time to call strace on this process
+    # to see the output of this script
+    server.send_message_to_all("pid:" + str(os.getpid()))
+    time.sleep(0.1)
+
     sys.settrace(traceit)
     # rospy.init_node() for some reason needs to be called from __main__ when importing in the regular way.
     # We thereofe need to load teh module from source instead of importing it.