[16] fix metadata_backup

VERSION

@@ -1 +1 @@
-1.16.0-develop15
+1.16.0-develop16

plex_meta_manager.py

@@ -737,32 +737,27 @@ def library_operations(config, library):
         logger.info("")
         logger.info(f"Metadata Backup Path: {library.metadata_backup['path']}")
         logger.info("")
-        try:
-            meta, _, _ = yaml.util.load_yaml_guess_indent(open(library.metadata_backup["path"]))
-        except yaml.scanner.ScannerError as e:
-            meta = {}
-            logger.error(f"YAML Error: {util.tab_new_lines(e)}")
-            filename, file_extension = os.path.splitext(library.metadata_backup["path"])
-            i = 1
-            while os.path.exists(f"{filename}{i}{file_extension}"):
-                i += 1
-            os.rename(library.metadata_backup["path"], f"{filename}{i}{file_extension}")
-            logger.error(f"Backup failed to load saving copy to {filename}{i}{file_extension}")
-        if "metadata" not in meta:
-            meta["metadata"] = {}
+        meta = {"metadata": {}}
+        if os.path.exists(library.metadata_backup["path"]):
+            try:
+                meta, _, _ = yaml.util.load_yaml_guess_indent(open(library.metadata_backup["path"]))
+            except yaml.scanner.ScannerError as e:
+                logger.error(f"YAML Error: {util.tab_new_lines(e)}")
+                filename, file_extension = os.path.splitext(library.metadata_backup["path"])
+                i = 1
+                while os.path.exists(f"{filename}{i}{file_extension}"):
+                    i += 1
+                os.rename(library.metadata_backup["path"], f"{filename}{i}{file_extension}")
+                logger.error(f"Backup failed to load saving copy to {filename}{i}{file_extension}")
         items = library.get_all(load=True)
         titles = [i.title for i in items]
         for i, item in enumerate(items, 1):
             logger.ghost(f"Processing: {i}/{len(items)} {item.title}")
             map_key, attrs = library.get_locked_attributes(item, titles)
             if attrs or library.metadata_backup["add_blank_entries"]:
-                def run_dict(save_dict, the_dict):
-                    for kk, vv in the_dict.items():
-                        if isinstance(vv, dict):
-                            run_dict(save_dict[kk], vv)
-                        else:
-                            save_dict[kk] = vv
-                run_dict(meta["metadata"][map_key], attrs)
+                def get_dict(attrs_dict):
+                    return {ak: get_dict(av) if isinstance(av, dict) else av for ak, av in attrs_dict.items()} if isinstance(attrs_dict, dict) else attrs_dict
+                meta["metadata"][map_key] = get_dict(attrs)
         logger.exorcise()
         try:
             yaml.round_trip_dump(meta, open(library.metadata_backup["path"], "w", encoding="utf-8"), block_seq_indent=2)