Restore python 2 compatibility.

Author: Sebastian Jahr

package.xml

@@ -52,6 +52,7 @@
   <exec_depend>python-yaml</exec_depend>
   <exec_depend>rospy</exec_depend>
   <exec_depend>tmux</exec_depend>
+  <exec_depend>future</exec_depend>
 
   <!-- The export tag contains other, unspecified, tags -->
   <export>

script/create_session

@@ -19,7 +19,7 @@
 
 # -- END LICENSE BLOCK ------------------------------------------------
 
-
+from __future__ import print_function
 import os
 import subprocess
 import sys

src/catmux/__init__.py

@@ -19,6 +19,7 @@
 # -- END LICENSE BLOCK ------------------------------------------------
 
 """Loads all modules from other files"""
+from __future__ import absolute_import
 
 from catmux.window import Window
 from catmux.session import Session

src/catmux/session.py

@@ -19,7 +19,7 @@
 # -- END LICENSE BLOCK ------------------------------------------------
 
 """Contains everything around the config file"""
-
+from __future__ import print_function, absolute_import
 
 import re
 import yaml

src/catmux/split.py

@@ -19,7 +19,9 @@
 # -- END LICENSE BLOCK ------------------------------------------------
 
 """A split in a tmux session"""
+from __future__ import print_function, absolute_import
 
+from future.utils import iteritems
 
 import catmux.tmux_wrapper as tmux
 
@@ -32,7 +34,7 @@ def __init__(self, **kwargs):
         """TODO: to be defined1. """
 
         if kwargs is not None:
-            for key, value in kwargs.items():
+            for (key, value) in iteritems(kwargs):
                 setattr(self, key, value)
 
     def debug(self, name='', prefix=''):

src/catmux/tmux_wrapper.py

@@ -19,7 +19,7 @@
 # -- END LICENSE BLOCK ------------------------------------------------
 
 """Wraps usage of tmux commands"""
-
+from __future__ import print_function
 
 import subprocess
 

src/catmux/window.py

@@ -19,7 +19,9 @@
 # -- END LICENSE BLOCK ------------------------------------------------
 
 """Contains the Window object"""
+from __future__ import print_function, absolute_import
 
+from future.utils import iteritems
 
 import time
 
@@ -45,7 +47,7 @@ def __init__(self, **kwargs):
             self.splits.append(Split(**split_data))
 
         if kwargs is not None:
-            for key, value in kwargs.items():
+            for (key, value) in iteritems (kwargs):
                 setattr(self, key, value)