fix code style error

src/core/authentication.py

@@ -1,5 +1,4 @@
 from rest_framework.authentication import TokenAuthentication
-from rest_framework import exceptions
 from rest_framework import HTTP_HEADER_ENCODING, exceptions
 from django.utils.translation import gettext_lazy as _
 from .models import Token
@@ -8,13 +7,14 @@
 class BearerAuthentication(TokenAuthentication):
  keyword = 'Bearer'
  model = Token
+
  def get_model(self):
  if self.model is not None:
  return self.model
  from rest_framework.authtoken.models import Token
  return Token
- 
- def get_authorization_header(self,request):
+
+ def get_authorization_header(self, request):
  """
  Return request's 'Authorization:' header, as a bytestring.
  Hide some test client ickyness where the header can be unicode.
@@ -24,13 +24,13 @@ def get_authorization_header(self,request):
  # Work around django test client oddness
  auth = auth.encode(HTTP_HEADER_ENCODING)
  return auth
- 
+
  def authenticate(self, request):
  auth = self.get_authorization_header(request).split()
 
- if not auth :
+ if not auth:
  return None
- 
+
  token = auth[0].decode()
 
  return self.authenticate_credentials(token)
@@ -45,4 +45,4 @@ def authenticate_credentials(self, key):
  if not token.user.is_active:
  raise exceptions.AuthenticationFailed(_('User inactive or deleted.'))
 
- return (token.user, token) 
+ return (token.user, token)

src/core/models.py

@@ -270,7 +270,7 @@ class Token(models.Model):
  """
  key = models.CharField(_("Key"), max_length=40, primary_key=True)
  user = BigForeignKey(
- to=settings.AUTH_USER_MODEL, 
+ to=settings.AUTH_USER_MODEL,
  related_name='%(app_label)s_auth_token',
  verbose_name=_('user'),
  on_delete=models.CASCADE,

src/pycontw2016/settings/base.py

@@ -124,7 +124,7 @@
  'rest_framework.authentication.TokenAuthentication',
  'core.authentication.BearerAuthentication',
  ],
- 'DEFAULT_PERMISSION_CLASSES':{
+ 'DEFAULT_PERMISSION_CLASSES': {
  'rest_framework.permissions.IsAuthenticated'
 
  }

src/users/api/views.py

@@ -4,7 +4,7 @@
 from core.models import Token
 from drf_yasg.utils import swagger_auto_schema
 from drf_yasg import openapi
-from rest_framework import  exceptions
+from rest_framework import exceptions
 from django.contrib.auth import get_user_model
 from users.models import User
 from datetime import datetime, timedelta
@@ -14,40 +14,39 @@ class CustomAuthToken(ObtainAuthToken):
  @swagger_auto_schema(
  request_body=openapi.Schema(
  type=openapi.TYPE_OBJECT,
- required=['username','password'],
+ required=['username', 'password'],
  order=['username', 'password'],
  properties={
- 'username':openapi.Schema(type=openapi.TYPE_STRING),
- 'password':openapi.Schema(type=openapi.TYPE_STRING)
+ 'username': openapi.Schema(type=openapi.TYPE_STRING),
+ 'password': openapi.Schema(type=openapi.TYPE_STRING)
  },
  ),
- operation_description='Get account token' 
+ operation_description='Get account token'
  )
-
  def post(self, request):
  username = request.data['username']
  try:
  user = get_user_model().objects.get(email=username)
  except User.DoesNotExist:
  raise exceptions.AuthenticationFailed(('User matching query does not exist'))
- 
+
  tokens = Token.objects.filter(user=user)
- if len(tokens)== 0:
+ if len(tokens) == 0:
  Token.objects.create(user=user)
- 
+
  token = Token.objects.get(user=user)
  token = str(token)
- 
+
  token_create_time = Token.objects.get(key=token).created
  pre_week_day = datetime.now(token_create_time.tzinfo) + timedelta(days=-7)
  if token_create_time < pre_week_day:
  Token.objects.get(key=token).delete()
- Token.objects.create(user=user) 
+ Token.objects.create(user=user)
 
  serializer = self.serializer_class(data=request.data, context={'request': request})
  serializer.is_valid(raise_exception=True)
  user = serializer.validated_data['user']
- 
+
  return Response({
  'username': user.email,
  'token': token