Migrated __str__ from abstract classes to concrete classes

Author: dirkmoors

oauth2_provider/models.py

@@ -202,9 +202,6 @@ def allow_scopes(self, scopes):
 
         return resource_scopes.issubset(provided_scopes)
 
-    def __str__(self):
-        return self.token
-
 
 class AccessToken(AbstractAccessToken):
     """
@@ -222,6 +219,9 @@ class AccessToken(AbstractAccessToken):
     """
     token = models.CharField(max_length=255, db_index=True)
 
+    def __str__(self):
+        return self.token
+
 # Add swappable like this to not break django 1.4 compatibility
 AccessToken._meta.swappable = 'OAUTH2_PROVIDER_ACCESS_TOKEN_MODEL'
 
@@ -236,9 +236,6 @@ class AbstractRefreshToken(models.Model):
     class Meta:
         abstract = True
 
-    def __str__(self):
-        return self.token
-
 
 class RefreshToken(AbstractRefreshToken):
     """
@@ -255,6 +252,9 @@ class RefreshToken(AbstractRefreshToken):
     """
     token = models.CharField(max_length=255, db_index=True)
 
+    def __str__(self):
+        return self.token
+
 # Add swappable like this to not break django 1.4 compatibility
 RefreshToken._meta.swappable = 'OAUTH2_PROVIDER_REFRESH_TOKEN_MODEL'