Update Path to py3-compatible printing

src/Mod/Path/PathScripts/linuxcnc_post.py

@@ -20,7 +20,7 @@
 # *   USA                                                                   *
 # *                                                                         *
 # ***************************************************************************/
-
+from __future__ import print_function
 
 TOOLTIP='''
 This is a postprocessor file for the Path workbench. It is used to
@@ -118,10 +118,10 @@ def export(objectslist, filename, argstring):
     global UNITS
     for obj in objectslist:
         if not hasattr(obj, "Path"):
-            print "the object " + obj.Name + " is not a path. Please select only path and Compounds."
+            print("the object " + obj.Name + " is not a path. Please select only path and Compounds.")
             return
 
-    print "postprocessing..."
+    print("postprocessing...")
     gcode = ""
 
     # Find the machine.
@@ -137,7 +137,7 @@ def export(objectslist, filename, argstring):
             else:
                UNITS = "G20"
     if myMachine is None:
-        print "No machine found in this selection"
+        print("No machine found in this selection")
 
     # write header
     if OUTPUT_HEADER:
@@ -186,7 +186,7 @@ def export(objectslist, filename, argstring):
     else:
         final = gcode
 
-    print "done postprocessing."
+    print("done postprocessing.")
 
     if not filename == '-':
         gfile = pythonopen(filename, "wb")
@@ -279,4 +279,4 @@ def parse(pathobj):
         return out
 
 
-print __name__ + " gcode postprocessor loaded."
+print(__name__ + " gcode postprocessor loaded.")