Merge pull request #19 from alimanfoo/py2

Resolves #19.

Author: alimanfoo

requirements.txt

@@ -0,0 +1,3 @@
+cython
+numpy
+fasteners

tox.ini

@@ -0,0 +1,19 @@
+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = py27, py34, py35
+
+[testenv]
+setenv =
+    PYTHONHASHSEED = 42
+commands =
+    python setup.py build_ext --inplace
+    nosetests -v --stop
+deps =
+    nose
+    setuptools
+    setuptools_scm
+    -rrequirements.txt

zarr/compat.py

@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, division
+
+
+import sys
+
+
+PY2 = sys.version_info[0] == 2
+
+if PY2:
+    pass

zarr/ext.pyx

@@ -6,7 +6,6 @@
 from __future__ import absolute_import, print_function, division
 from threading import RLock
 import itertools
-# TODO PY2 compatibility
 from functools import reduce
 import operator
 import sys
@@ -531,7 +530,7 @@ cdef class PersistentChunk(BaseChunk):
 
         # move temporary file into place
         if temp_path is not None:
-            os.replace(temp_path, self._path)
+            os.rename(temp_path, self._path)
 
     cdef void put(self, char *source):
         cdef: