Fixed that meta-file load order was ignored for subdirs when no data …

…files to upload

tcsfw/client_tool.py

@@ -186,20 +186,24 @@ def upload_file(self, url: str, file_data: BinaryIO, meta_json: Dict):
     def upload_directory(self, url: str, path: pathlib.Path):
         """Upload directory"""
         files = sorted(path.iterdir())
+
         meta_file = path / "00meta.json"
+        if meta_file.exists():
+            with meta_file.open() as f:
+                meta_json = json.load(f)
+            file_load_order = meta_json.get("file_order", [])
+            if file_load_order:
+                # sort files by file_load_order
+                files = FileMetaInfo.sort_load_order(files, file_load_order)
+        else:
+            meta_json = None  # not {}
 
         # files to upload
         to_upload = self.filter_data_files(files)
 
-        if meta_file.exists() and to_upload:
+        if meta_json is not None and to_upload:
             to_upload.insert(0, meta_file)  # upload also meta file, make it first
             self.logger.info("%s", meta_file.as_posix())
-            with meta_file.open() as f:
-                meta_json = json.load(f)
-            file_load_order = meta_json.get("file_order", [])
-            if file_load_order:
-                # sort subdirectories based on file_load_order
-                files = FileMetaInfo.sort_load_order(files, file_load_order)
 
             # meta file exists -> upload files from here
             self.logger.info("%s/", path.as_posix())