Toot toot! It's the refactor tractor.

- Create helper functions to qualify media and static files

InvenTree/part/models.py

@@ -300,9 +300,9 @@ class Part(models.Model):
         """ Return the URL of the image for this part """
 
         if self.image:
-            return os.path.join(settings.MEDIA_URL, str(self.image.url))
+            return helpers.getMediaUrl(self.image.url)
         else:
-            return os.path.join(settings.STATIC_URL, 'img/blank_image.png')
+            return helpers.getBlankImage()
 
     def get_thumbnail_url(self):
         """
@@ -310,10 +310,10 @@ class Part(models.Model):
         """
 
         if self.image:
-            return os.path.join(settings.MEDIA_URL, str(self.image.thumbnail.url))
+            return helpers.getMediaUrl(self.image.thumbnail.url)
         else:
-            return os.path.join(settings.STATIC_URL, 'img/blank_image.thumbnail.png')
-
+            return helpers.getBlankThumbnail()
+            
     def validate_unique(self, exclude=None):
         """ Validate that a part is 'unique'.
         Uniqueness is checked across the following (case insensitive) fields: