adjustment for translation

requirements.txt

@@ -1,3 +1,3 @@
--r requirements/requirements-base.txt
+-r requirements/requirements-packaging.txt
 -r requirements/requirements-testing.txt
 -r requirements/requirements-codestyle.txt

rest_framework_friendly_errors/mixins.py

@@ -1,5 +1,7 @@
 from __future__ import unicode_literals
 
+import sys
+
 from django.core.exceptions import ValidationError as DjangoValidationError
 from rest_framework.exceptions import ValidationError as RestValidationError
 from rest_framework.utils.serializer_helpers import ReturnDict
@@ -103,7 +105,10 @@ def get_field_kwargs(self, field, field_data):
 
     def find_key(self, field, message):
         for key in field.error_messages:
-            unformatted = str(field.error_messages[key])
+            if sys.version_info.major == 3:
+                unformatted = str(field.error_messages[key])
+            else:
+                unformatted = unicode(field.error_messages[key])
             kwargs = self.get_field_kwargs(
                 field, self.initial_data.get(field.field_name)
             )

rest_framework_friendly_errors/settings.py

@@ -1,7 +1,11 @@
+from __future__ import unicode_literals
+
 from django.conf import settings
+from django.utils.translation import ugettext_lazy as _
 
 from rest_framework_friendly_errors.utils import update_field_settings
 
+
 USER_SETTINGS = getattr(settings, 'FRIENDLY_ERRORS', {})
 
 USER_FRIENDLY_FIELD_ERRORS = USER_SETTINGS.get('FIELD_ERRORS', {})
@@ -11,7 +15,7 @@
 
 VALIDATION_FAILED_CODE = USER_SETTINGS.get('VALIDATION_FAILED_CODE', 1000)
 VALIDATION_FAILED_MESSAGE = USER_SETTINGS.get('VALIDATION_FAILED_MESSAGE',
-                                              'Validation Failed')
+                                              _('Validation Failed'))
 
 FRIENDLY_FIELD_ERRORS = {
     'BooleanField': {'required': 2001, 'invalid': 2011, 'null': 2021},

tests/conftest.py

@@ -29,7 +29,8 @@ def pytest_configure():
         REST_FRAMEWORK={
             'EXCEPTION_HANDLER':
             'rest_framework_friendly_errors.handlers.friendly_exception_handler'
-        }
+        },
+        LANGUAGE_CODE='pl'
     )
 
     try:

tests/test_exception_handler.py

@@ -4,7 +4,7 @@
 from rest_framework_friendly_errors import settings
 
 from tests import BaseTestCase
-from views import SnippetList
+from tests.views import SnippetList
 
 
 class ExceptionHandlerTestCase(BaseTestCase):