add reason for failure

lumbunglib/feed.py

@@ -206,6 +206,9 @@ def grab_media(post_directory, url, prefered_name=None):
                     shutil.copyfileobj(response.raw, media_file)
                     print('Downloaded media item', media_item)
                     return media_item
+            else:
+                print("Download failed", response.status_code)
+                return url
             return media_item
         elif os.path.exists(os.path.join(post_directory, media_item)):
             return media_item
@@ -227,7 +230,6 @@ def parse_posts(post_dir, post_content):
 
     for img in soup(["img", "object"]):
         if img.get("src") != None:
-            
             local_image = grab_media(post_dir, img["src"])
             if img["src"] != local_image:
                 img["src"] = local_image