Merge pull request #2373 from jakul/document-translations-3.1

Document how to translate DRF error messages (version 3.1)

1 files changed, 9 insertions, 8 deletions

diff --git a/rest_framework/authentication.py b/rest_framework/authentication.py
index 124ef68a..11db0585 100644
--- a/rest_framework/authentication.py
+++ b/rest_framework/authentication.py
@@ -5,6 +5,7 @@ from __future__ import unicode_literals
 import base64
 from django.contrib.auth import authenticate
 from django.middleware.csrf import CsrfViewMiddleware
+from django.utils.translation import ugettext_lazy as _
 from rest_framework import exceptions, HTTP_HEADER_ENCODING
 from rest_framework.authtoken.models import Token
 
@@ -65,16 +66,16 @@ class BasicAuthentication(BaseAuthentication):
             return None
 
         if len(auth) == 1:
-            msg = 'Invalid basic header. No credentials provided.'
+            msg = _('Invalid basic header. No credentials provided.')
             raise exceptions.AuthenticationFailed(msg)
         elif len(auth) > 2:
-            msg = 'Invalid basic header. Credentials string should not contain spaces.'
+            msg = _('Invalid basic header. Credentials string should not contain spaces.')
             raise exceptions.AuthenticationFailed(msg)
 
         try:
             auth_parts = base64.b64decode(auth[1]).decode(HTTP_HEADER_ENCODING).partition(':')
         except (TypeError, UnicodeDecodeError):
-            msg = 'Invalid basic header. Credentials not correctly base64 encoded'
+            msg = _('Invalid basic header. Credentials not correctly base64 encoded.')
             raise exceptions.AuthenticationFailed(msg)
 
         userid, password = auth_parts[0], auth_parts[2]
@@ -86,7 +87,7 @@ class BasicAuthentication(BaseAuthentication):
         """
         user = authenticate(username=userid, password=password)
         if user is None or not user.is_active:
-            raise exceptions.AuthenticationFailed('Invalid username/password')
+            raise exceptions.AuthenticationFailed(_('Invalid username/password.'))
         return (user, None)
 
     def authenticate_header(self, request):
@@ -152,10 +153,10 @@ class TokenAuthentication(BaseAuthentication):
             return None
 
         if len(auth) == 1:
-            msg = 'Invalid token header. No credentials provided.'
+            msg = _('Invalid token header. No credentials provided.')
             raise exceptions.AuthenticationFailed(msg)
         elif len(auth) > 2:
-            msg = 'Invalid token header. Token string should not contain spaces.'
+            msg = _('Invalid token header. Token string should not contain spaces.')
             raise exceptions.AuthenticationFailed(msg)
 
         return self.authenticate_credentials(auth[1])
@@ -164,10 +165,10 @@ class TokenAuthentication(BaseAuthentication):
         try:
             token = self.model.objects.get(key=key)
         except self.model.DoesNotExist:
-            raise exceptions.AuthenticationFailed('Invalid token')
+            raise exceptions.AuthenticationFailed(_('Invalid token.'))
 
         if not token.user.is_active:
-            raise exceptions.AuthenticationFailed('User inactive or deleted')
+            raise exceptions.AuthenticationFailed(_('User inactive or deleted.'))
 
         return (token.user, token)