Added support for parsing dates from Unicode response strings

Only effects Python 2.*. Adds to fix for freakboy3742#88 and is based on issue identified in freakboy3742#96.

tests/utils.py

@@ -41,6 +41,30 @@ def test_json_hook(self):
             }
         )
 
+        # And in unicode
+        example_input = {
+            'date': u'2015-04-29T10:21:03',
+        }
+
+        self.assertEqual(
+            xero.utils.json_load_object_hook(example_input),
+            {
+                'date': datetime.datetime(2015, 4, 29, 10, 21, 3)
+            }
+        )
+
+        # Not a string type
+        self.assertEqual(
+            xero.utils.json_load_object_hook({'date': 6}),
+            {'date': 6}
+        )
+
+        self.assertEqual(
+            xero.utils.json_load_object_hook({'date': None}),
+            {'date': None}
+        )
+
+
     def test_parse_date(self):
         """ Tests of the parse_date input formats.
         """
@@ -78,4 +102,4 @@ def test_parse_date(self):
         self.assertEqual(
             xero.utils.parse_date('not a date'),
             None
-        )
+        )

xero/utils.py

@@ -1,5 +1,6 @@
-import re
 import datetime
+import re
+import six
 
 
 DATE = re.compile(
@@ -82,8 +83,10 @@ def parse_date(string, force_datetime=False):
 
 
 def json_load_object_hook(dct):
-    for key,value in dct.items():
-        if isinstance(value, str):
+    """ Hook for json.parse(...) to parse Xero date formats.
+    """
+    for key, value in dct.items():
+        if isinstance(value, six.string_types):
             value = parse_date(value)
             if value:
                 dct[key] = value