Fix issue with Unicode characters

Author: alexei

adapters/fields.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
+from builtins import str
 import datetime
 import dateutil.parser
 from decimal import Decimal

requirements.txt

@@ -1 +1,2 @@
+future
 python-dateutil==2.6.0

setup.py

@@ -16,5 +16,8 @@
     url='https://github.com/alexei/python-adapters',
     download_url='https://github.com/alexei/python-adapters/archive/2.0.1.tar.gz',  # noqa
     keywords=['adapter pattern'],
-    install_requires=['python-dateutil>=2.6.0'],
+    install_requires=[
+        'future',
+        'python-dateutil>=2.6.0',
+    ],
 )

tests/test_fields.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import unicode_literals
+
 import datetime
 from decimal import Decimal
 import unittest
@@ -16,6 +18,11 @@ def test_char_field(self):
         expected = 'Los Angeles'
         self.assertEqual(actual, expected)
 
+    def test_unicode_field(self):
+        actual = adapters.CharField().adapt('Alexandru Mărășteanu')
+        expected = 'Alexandru Mărășteanu'
+        self.assertEqual(actual, expected)
+
     def test_int_field(self):
         actual = adapters.IntField().adapt(123456)
         expected = 123456