Merge pull request #70 from puttu/recipient-str-fix

fix: recipient emails can be provided as unicode strings

sparkpost/transmissions.py

@@ -79,7 +79,11 @@ def _get_base64_from_file(self, filename):
     def _extractRecipients(self, recipients):
         formatted_recipients = []
         for recip in recipients:
-            if isinstance(recip, str):
+            try:
+                string_types = basestring
+            except NameError:
+                string_types = str  # Python 3 doesn't have basestring
+            if isinstance(recip, string_types):
                 formatted_recipients.append({'address': {'email': recip}})
             else:
                 formatted_recipients.append(recip)

test/test_transmissions.py

@@ -29,6 +29,16 @@ def test_translate_keys_with_recips():
                                      {'address': {'email': 'foobar'}}]
 
 
+def test_translate_keys_with_unicode_recips():
+    t = Transmissions('uri', 'key')
+    results = t._translate_keys(recipients=[u'unicode_email@example.com',
+                                            'str_email@example.com'])
+    assert results['recipients'] == [
+        {'address': {'email': 'unicode_email@example.com'}},
+        {'address': {'email': 'str_email@example.com'}}
+    ]
+
+
 @responses.activate
 def test_success_send():
     responses.add(