Fixed Jython compatibility by making the ProcessPoolExecutor import optional

Added metadata for wheel support

CHANGES

@@ -1,3 +1,10 @@
+2.1.5
+=====
+
+- Fixed Jython compatibility
+- Added metadata for wheel support
+
+
 2.1.4
 =====
 

concurrent/futures/__init__.py

@@ -14,5 +14,10 @@ from concurrent.futures._base import (FIRST_COMPLETED,
                                       Executor,
                                       wait,
                                       as_completed)
-from concurrent.futures.process import ProcessPoolExecutor
 from concurrent.futures.thread import ThreadPoolExecutor
+
+# Jython doesn't have multiprocessing
+try:
+    from concurrent.futures.process import ProcessPoolExecutor
+except ImportError:
+    pass

setup.cfg

@@ -1,6 +1,13 @@
+[wheel]
+universal = 1
+
 [build_sphinx]
 source-dir = docs
 build-dir  = build/sphinx
 
 [upload_docs]
 upload-dir = build/sphinx/html
+
+[metadata]
+requires-dist =
+    multiprocessing; python_version == '2.5' and platform.python_implementation != 'Jython'

setup.py

@@ -1,17 +1,18 @@
 #!/usr/bin/env python
 import sys
+import os
 
 extras = {}
 try:
     from setuptools import setup
     extras['zip_safe'] = False
-    if sys.version_info < (2, 6):
+    if sys.version_info < (2, 6) and os.name != 'java':
         extras['install_requires'] = ['multiprocessing']
 except ImportError:
     from distutils.core import setup
 
 setup(name='futures',
-      version='2.1.4',
+      version='2.1.5',
       description='Backport of the concurrent.futures package from Python 3.2',
       author='Brian Quinlan',
       author_email='brian@sweetapp.com',