add from __future__ import print_function

python 2 vs 3 compatibility

src/bdump.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, subprocess, re, glob, types
 import functools
 from os import popen

src/cfg.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys
 
 oneline = "Convert LAMMPS snapshots to AtomEye CFG format"

src/clog.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, re, glob
 from os import popen
 

src/data.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 from os import popen
 
 oneline = "Read, write, manipulate LAMMPS data files"

src/dump.py

@@ -10,6 +10,7 @@
 
 # Imports and external programs
 
+from __future__ import print_function, absolute_import
 import sys, subprocess, re, glob, types
 from os import popen
 from math import *             # any function could be used by set()

src/ensight.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, types
 
 oneline = "Convert LAMMPS snapshots or meshes to Ensight format"

src/gl.py

@@ -10,6 +10,8 @@
 
 # Imports and external programs
 
+from __future__ import absolute_import
+
 from math import sin,cos,sqrt,pi,acos
 from OpenGL.Tk import *
 from OpenGL.GLUT import *

src/image.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, os, subprocess, re, glob
 from math import *
 try:

src/ldump.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, subprocess, re, glob, types
 import functools
 from os import popen

src/log.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, re, glob
 import functools
 from os import popen

src/mdump.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, subprocess, re, glob, types
 import functools
 from os import popen

src/pdbfile.py

@@ -10,8 +10,12 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
-import sys, types, glob, urllib.request, urllib.parse, urllib.error
+import sys, types, glob
+try:
+  import urllib.request, urllib.parse, urllib.error
+except ImportError:
+  import urllib
 
 oneline = "Read, write PDB files in combo with LAMMPS snapshots"
 

src/pizza.py

@@ -17,7 +17,7 @@
 
 # modules needed by pizza.py
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, subprocess, os, string, glob, re
 import time
 

src/rasmol.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, os, subprocess, re, types
 from pdbfile import pdbfile
 

src/raster.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, os, subprocess, re
 from vizinfo import vizinfo
 from math import fabs,atan,cos,sin

src/svg.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, os, subprocess, re
 import functools
 from vizinfo import vizinfo

src/tdump.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys, subprocess, re, glob, types
 import functools
 from math import sqrt

src/vec.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import types
 
 oneline = "Create numeric vectors from columns in file or list of vecs"

src/vtk.py

@@ -8,6 +8,9 @@
 
 # vtk tool
 
+from __future__ import print_function, absolute_import
+import sys, re
+
 oneline = "Convert LAMMPS snapshots to VTK format"
 
 docstr = """
@@ -34,8 +37,6 @@ v.single(N,"file")      write snapshot for timestep N to file.vtk
 
 # Imports and external programs
 
-import sys, re
-
 # Class definition
 
 class vtk:

src/xyz.py

@@ -10,7 +10,7 @@
 
 # Imports and external programs
 
-from __future__ import absolute_import
+from __future__ import print_function, absolute_import
 import sys
 oneline = "Convert LAMMPS snapshots to XYZ format"