PATH: post processor tweaks and loop select.

rename generic_post.py: This is actually a post specific to a machine.  The generic name is confusing
fix test case. Contour has no plunge angle
scrubbing postprocessors for python 2 style prints
Keep loop select usable when task panel is open.

src/Mod/Path/PathScripts/rml_post.py

@@ -72,7 +72,7 @@ def setjog():
    return ""
 
 def addheader():
-    return [ "PA;PA;" ] # absolute positioning 
+    return [ "PA;PA;" ] # absolute positioning
 def addfooter():
     return []
 
@@ -103,7 +103,7 @@ def feed(x=None, y=None, z=None, state={}):
         pass # XXX: is this used?
     return c
 
-def jog(x=None, y=None, z=None, state={}):        
+def jog(x=None, y=None, z=None, state={}):
     c = []
     if x is not None and y is not None:
       x, y = float(x), float(y)
@@ -137,7 +137,6 @@ def xyarc(args, state):
     # TODO: consider direction
     #print('p = Part.ArcOfCircle(Part.Circle(FreeCAD.Vector(%f, %f), FreeCAD.Vector(0, 0, 1), %f), %f, %f)' % (center.x, center.y, radius, p0, p1))
     for p in points:
-        #print('p', p.x, p.y)
         c += feed(p.x, p.y, state['Z'], state)
     return c
 
@@ -216,18 +215,18 @@ def convertgcode(cmd, args, state):
 
 def parse(inputstring):
     "parse(inputstring): returns a parsed output string"
-    
+
     state = { 'X': 0.0, 'Y': 0.0, 'Z': 0.0, 'XYspeed': -1.0, 'Zspeed': -1.0 }
     output = []
 
     # header
     output += addheader()
     output += motoron()
-    
+
     output += speed(2.0, 1.0, state) # defaults
 
     # TODO: respect clearance height
-    
+
     # treat the input line by line
     lines = inputstring.split("\n")
     for line in lines: