Start working toward Python3 compatibility. (#117)

src/common/test/test.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+from __future__ import division
 from __future__ import print_function
 
 import numpy as np

src/global_scheduler/lib/python/global_scheduler_services.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+from __future__ import division
 from __future__ import print_function
 
 import os

src/global_scheduler/test/test.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+from __future__ import division
 from __future__ import print_function
 
 import numpy as np

src/photon/CMakeLists.txt

@@ -6,17 +6,17 @@ message(STATUS "Trying custom approach for finding Python.")
 # Start off by figuring out which Python executable to use.
 find_program(CUSTOM_PYTHON_EXECUTABLE python)
 message(STATUS "Found Python program: ${CUSTOM_PYTHON_EXECUTABLE}")
-execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print 'python' + sys.version[0:3]"
+execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print('python' + sys.version[0:3])"
                 OUTPUT_VARIABLE PYTHON_LIBRARY_NAME OUTPUT_STRIP_TRAILING_WHITESPACE)
 message(STATUS "PYTHON_LIBRARY_NAME: " ${PYTHON_LIBRARY_NAME})
 # Now find the Python include directories.
-execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "from distutils.sysconfig import *; print get_python_inc()"
+execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "from distutils.sysconfig import *; print(get_python_inc())"
                 OUTPUT_VARIABLE PYTHON_INCLUDE_DIRS OUTPUT_STRIP_TRAILING_WHITESPACE)
 message(STATUS "PYTHON_INCLUDE_DIRS: " ${PYTHON_INCLUDE_DIRS})
 # Now find the Python libraries. We'll start by looking near the Python
 # executable. If that fails, then we'll look near the Python include
 # directories.
-execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print sys.exec_prefix"
+execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print(sys.exec_prefix)"
                 OUTPUT_VARIABLE PYTHON_PREFIX OUTPUT_STRIP_TRAILING_WHITESPACE)
 message(STATUS "PYTHON_PREFIX: " ${PYTHON_PREFIX})
 FIND_LIBRARY(PYTHON_LIBRARIES

src/photon/photon/__init__.py

@@ -1,2 +1,6 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 from libphoton import *
 from photon_services import *

src/photon/photon/photon_services.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+from __future__ import division
 from __future__ import print_function
 
 import os

src/photon/test/test.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+from __future__ import division
 from __future__ import print_function
 
 import numpy as np

src/plasma/CMakeLists.txt

@@ -6,17 +6,17 @@ message(STATUS "Trying custom approach for finding Python.")
 # Start off by figuring out which Python executable to use.
 find_program(CUSTOM_PYTHON_EXECUTABLE python)
 message(STATUS "Found Python program: ${CUSTOM_PYTHON_EXECUTABLE}")
-execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print 'python' + sys.version[0:3]"
+execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print('python' + sys.version[0:3])"
                 OUTPUT_VARIABLE PYTHON_LIBRARY_NAME OUTPUT_STRIP_TRAILING_WHITESPACE)
 message(STATUS "PYTHON_LIBRARY_NAME: " ${PYTHON_LIBRARY_NAME})
 # Now find the Python include directories.
-execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "from distutils.sysconfig import *; print get_python_inc()"
+execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "from distutils.sysconfig import *; print(get_python_inc())"
                 OUTPUT_VARIABLE PYTHON_INCLUDE_DIRS OUTPUT_STRIP_TRAILING_WHITESPACE)
 message(STATUS "PYTHON_INCLUDE_DIRS: " ${PYTHON_INCLUDE_DIRS})
 # Now find the Python libraries. We'll start by looking near the Python
 # executable. If that fails, then we'll look near the Python include
 # directories.
-execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print sys.exec_prefix"
+execute_process(COMMAND ${CUSTOM_PYTHON_EXECUTABLE} -c "import sys; print(sys.exec_prefix)"
                 OUTPUT_VARIABLE PYTHON_PREFIX OUTPUT_STRIP_TRAILING_WHITESPACE)
 message(STATUS "PYTHON_PREFIX: " ${PYTHON_PREFIX})
 FIND_LIBRARY(PYTHON_LIBRARIES

src/plasma/lib/python/plasma.py

@@ -1,8 +1,13 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 import os
 import random
 import subprocess
 import time
-import libplasma
+
+from . import libplasma
 
 PLASMA_ID_SIZE = 20
 PLASMA_WAIT_TIMEOUT = 2 ** 30

src/plasma/lib/python/setup.py

@@ -1,3 +1,7 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
 from setuptools import setup, find_packages
 import setuptools.command.install as _install
 

src/plasma/test/test.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+from __future__ import division
 from __future__ import print_function
 
 import numpy as np
@@ -534,7 +536,7 @@ class TestPlasmaManager(unittest.TestCase):
     # loop slow down the manager so much that some of the asynchronous Redis
     # commands timeout triggering fatal failure callbacks.
     n = 40
-    for i in range(n * (n + 1) / 2):
+    for i in range(n * (n + 1) // 2):
       if i % 2 == 0:
         object_id, _, _ = create_object(self.client1, 200, 200)
       else: