Merge branch 'master' into example

csppfetch/__init__.py

@@ -373,6 +373,9 @@ class Downloader:
     """ Knowledge of how to download a given data source's files
     """
 
+    # This is just a convenience for users of a Downloader object
+    DownloadStatistics = DownloadStatistics
+
     def __init__(self,
             name,
             package_env_id,