Fix file, long, raw_input, and xrange for Python 3

src/Mod/Arch/import3DS.py

@@ -98,7 +98,7 @@ def read(filename):
                 verts.append([d_point[0],d_point[1],d_point[2]])
             meshdata = []
             for d_face in d_nobj.obj.faces.array:
-                meshdata.append([verts[int(d_face[i])] for i in xrange(3)])
+                meshdata.append([verts[int(d_face[i])] for i in range(3)])
             m = [tuple(r) for r in d_nobj.obj.matrix.array]
             m = m[0] + m[1] + m[2] + m[3]
             placement = FreeCAD.Placement(FreeCAD.Matrix(*m))

src/Mod/Arch/importDAE.py

@@ -21,6 +21,8 @@
 #*                                                                         *
 #***************************************************************************
 
+from six.moves import xrange
+
 import FreeCAD, Mesh, os, numpy, MeshPart, Arch, Draft
 if FreeCAD.GuiUp:
     from DraftTools import translate

src/Mod/Draft/DraftVecUtils.py

@@ -40,6 +40,11 @@ import sys
 import math,FreeCAD
 from FreeCAD import Vector, Matrix
 
+try:
+    long
+except NameError:
+    long = int
+
 params = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft")
 def precision():
     return params.GetInt("precision",6)

src/Mod/Import/gzip_utf8.py

@@ -16,7 +16,14 @@ but random access is not allowed."""
 import struct, sys, time, os
 import zlib
 import io
-import __builtin__
+
+from six.moves import xrange
+from six.moves.builtins import open as builtin_open
+
+try:
+    long
+except NameError:
+    long = int
 
 __all__ = ["GzipFile","open"]
 
@@ -99,7 +106,7 @@ class GzipFile(io.BufferedIOBase):
         if mode and 'b' not in mode:
             mode += 'b'
         if fileobj is None:
-            fileobj = self.myfileobj = __builtin__.open(filename, mode or 'rb')
+            fileobj = self.myfileobj = builtin_open(filename, mode or 'rb')
         if filename is None:
             # Issue #13781: os.fdopen() creates a fileobj with a bogus name
             # attribute. Avoid saving this in the gzip header's filename field.
@@ -504,13 +511,13 @@ def _test():
                     print("filename doesn't end in .gz:", repr(arg))
                     continue
                 f = open(arg, "rb")
-                g = __builtin__.open(arg[:-3], "wb")
+                g = builtin_open(arg[:-3], "wb")
         else:
             if arg == "-":
                 f = sys.stdin
                 g = GzipFile(filename="", mode="wb", fileobj=sys.stdout)
             else:
-                f = __builtin__.open(arg, "rb")
+                f = builtin_open(arg, "rb")
                 g = open(arg + ".gz", "wb")
         while True:
             chunk = f.read(1024)

src/Mod/OpenSCAD/OpenSCADFeatures.py

@@ -24,6 +24,11 @@ __title__="FreeCAD OpenSCAD Workbench - Parametric Features"
 __author__ = "Sebastian Hoogen"
 __url__ = ["http://www.freecadweb.org"]
 
+try:
+    long
+except NameError:
+    long = int
+
 '''
 This Script includes python Features to represent OpenSCAD Operations
 '''

src/Mod/Path/PathScripts/PathCircularHoleBaseGui.py

@@ -22,6 +22,8 @@
 # *                                                                         *
 # ***************************************************************************
 
+from six.moves import xrange
+
 import FreeCAD
 import FreeCADGui
 import PathScripts.PathLog as PathLog

src/Mod/Path/PathScripts/PathSurface.py

@@ -24,6 +24,8 @@
 
 from __future__ import print_function
 
+from six.moves import xrange
+
 import FreeCAD
 import MeshPart
 # import Part