Fix python 3 compatibility to work with IronPython (fix Infinidat#13)

munch/python3_compat.py

@@ -1,24 +1 @@
-import sys
-
-_PY2 = (sys.version_info < (3, 0))
-
-
-def identity(x):
-    return x
-
-# u('string') replaces the forwards-incompatible u'string'
-if _PY2:
-    import codecs
-
-    def u(string):
-        return codecs.unicode_escape_decode(string)[0]
-else:
-    u = identity
-
-# dict.iteritems(), dict.iterkeys() is also incompatible
-if _PY2:
-    iteritems = dict.iteritems  # pylint: disable=no-member
-    iterkeys = dict.iterkeys    # pylint: disable=no-member
-else:
-    iteritems = dict.items
-    iterkeys = dict.keys
+from six import u, iteritems, iterkeys # pylint: disable=unused-import

setup.py

@@ -21,6 +21,9 @@
     url="http://github.com/Infinidat/munch",
     author="Rotem Yaari",
     author_email="[email protected]",
+    install_requires=[
+        'six',
+    ],
     packages=find_packages(exclude=["tests"]),
     keywords=['munch', 'dict', 'mapping', 'container', 'collection'],
     classifiers=[