From 73c2f1821b2f245f90b16229589a67de75e6009c Mon Sep 17 00:00:00 2001
From: Daniel Nouri <daniel.nouri@gmail.com>
Date: Tue, 15 Nov 2016 23:40:33 -0500
Subject: [PATCH] Py3K compatiblity

---
 binding/python/multiverso/__init__.py |  4 ++--
 binding/python/multiverso/api.py      |  6 +++---
 binding/python/multiverso/tables.py   |  6 +++---
 binding/python/multiverso/utils.py    | 24 +++++++++++++-----------
 4 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/binding/python/multiverso/__init__.py b/binding/python/multiverso/__init__.py
index 46a65e3..2ea20b2 100644
--- a/binding/python/multiverso/__init__.py
+++ b/binding/python/multiverso/__init__.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
 # coding:utf8
 
-from api import init, shutdown, barrier, workers_num, worker_id, server_id, is_master_worker
-from tables import ArrayTableHandler, MatrixTableHandler
+from .api import init, shutdown, barrier, workers_num, worker_id, server_id, is_master_worker
+from .tables import ArrayTableHandler, MatrixTableHandler
diff --git a/binding/python/multiverso/api.py b/binding/python/multiverso/api.py
index c85aab3..849e51b 100644
--- a/binding/python/multiverso/api.py
+++ b/binding/python/multiverso/api.py
@@ -2,7 +2,7 @@
 # coding:utf8
 
 import ctypes
-from utils import Loader
+from .utils import Loader
 import numpy as np
 
 
@@ -26,9 +26,9 @@ def init(sync=False):
     `barrier` and `get` with the argument `sync` set to `True` to sync the
     processes.
     '''
-    args = [""]  # the first argument will be ignored. So we put a placeholder here
+    args = [b""]  # the first argument will be ignored. So we put a placeholder here
     if sync:
-        args.append("-sync=true")
+        args.append(b"-sync=true")
     n = len(args)
     args_type = ctypes.c_char_p * n
     mv_lib.MV_Init(ctypes.pointer(ctypes.c_int(n)), args_type(*[ctypes.c_char_p(arg) for arg in args]))
diff --git a/binding/python/multiverso/tables.py b/binding/python/multiverso/tables.py
index 55be5b6..4ec312b 100644
--- a/binding/python/multiverso/tables.py
+++ b/binding/python/multiverso/tables.py
@@ -2,10 +2,10 @@
 # coding:utf8
 
 import ctypes
-from utils import Loader
-from utils import convert_data
+from .utils import Loader
+from .utils import convert_data
 import numpy as np
-import api
+from . import api
 
 
 mv_lib = Loader.get_lib()
diff --git a/binding/python/multiverso/utils.py b/binding/python/multiverso/utils.py
index bae647f..8094f6d 100644
--- a/binding/python/multiverso/utils.py
+++ b/binding/python/multiverso/utils.py
@@ -1,6 +1,8 @@
 #!/usr/bin/env python
 # coding:utf8
 
+from __future__ import print_function
+
 import ctypes
 import os
 import platform
@@ -23,31 +25,31 @@ class Loader(object):
         if platform.system() == "Windows":
             mv_lib_path = find_library("Multiverso")
             if mv_lib_path is None:
-                print "* Fail to load Multiverso.dll from the windows $PATH."\
+                print("* Fail to load Multiverso.dll from the windows $PATH."\
                       "Because Multiverso.dll can not be found in the $PATH "\
-                      "directories. Go on loading Multiverso from the package."
+                      "directories. Go on loading Multiverso from the package.")
             else:
                 return mv_lib_path
 
             mv_lib_path = os.path.join(PACKAGE_PATH, "Multiverso.dll")
             if not os.path.exists(mv_lib_path):
-                print "* Fail to load Multiverso.dll from the package. Because"\
-                      " the file " + mv_lib_path + " can not be found."
+                print("* Fail to load Multiverso.dll from the package. Because"\
+                      " the file " + mv_lib_path + " can not be found.")
             else:
                 return mv_lib_path
         else:
             mv_lib_path = find_library("multiverso")
             if mv_lib_path is None:
-                print "* Fail to load libmultiverso.so from the system"\
+                print("* Fail to load libmultiverso.so from the system"\
                       "libraries. Because libmultiverso.so can't be found in"\
-                      "library paths. Go on loading Multiverso from the package."
+                      "library paths. Go on loading Multiverso from the package.")
             else:
                 return mv_lib_path
 
             mv_lib_path = os.path.join(PACKAGE_PATH, "libmultiverso.so")
             if not os.path.exists(mv_lib_path):
-                print "* Fail to load libmultiverso.so from the package. Because"\
-                      " the file " + mv_lib_path + " can not be found."
+                print("* Fail to load libmultiverso.so from the package. Because"\
+                      " the file " + mv_lib_path + " can not be found.")
             else:
                 return mv_lib_path
         return None
@@ -56,10 +58,10 @@ class Loader(object):
     def load_lib(cls):
         mv_lib_path = cls._find_mv_path()
         if mv_lib_path is None:
-            print "Fail to load the multiverso library. Please make sure you"\
-                  "  have installed multiverso successfully"
+            print("Fail to load the multiverso library. Please make sure you"\
+                  "  have installed multiverso successfully")
         else:
-            print "Find the multiverso library successfully(%s)" % mv_lib_path
+            print("Find the multiverso library successfully(%s)" % mv_lib_path)
         return ctypes.cdll.LoadLibrary(mv_lib_path)
 
     @classmethod