OpenSCAD: close csg file and allow unlink to fail

src/Mod/OpenSCAD/OpenSCADCommands.py

@@ -224,7 +224,11 @@ class AddSCADTask:
             else:
                 import importCSG
                 importCSG.insert(tmpfilename,doc.Name)
-            os.unlink(tmpfilename)
+            try:
+                os.unlink(tmpfilename)
+            except OSError:
+                pass
+
         except OpenSCADUtils.OpenSCADError, e:
             FreeCAD.Console.PrintError(e.value)
 

src/Mod/OpenSCAD/importCSG.py

@@ -139,8 +139,10 @@ def processcsg(filename):
     # Swap statements to enable Parser debugging
     #result = parser.parse(f.read(),debug=1)
     result = parser.parse(f.read())
-    if printverbose: print 'End Parser'
-    if printverbose: print result  
+    f.close()
+    if printverbose:
+        print 'End Parser'
+        print result  
     FreeCAD.Console.PrintMessage('End processing CSG file\n')
     doc.recompute()