+
+def files_in_collection(c, stream_name='.'):
+ # Sort first by file type, then alphabetically by file path.
+ for i in sorted(c.keys(),
+ key=lambda k: (
+ isinstance(c[k], arvados.collection.Subcollection),
+ k.upper())):
+ if isinstance(c[i], arvados.arvfile.ArvadosFile):
+ yield FileInfo(stream_name=stream_name,
+ name=i,
+ size=c[i].size())
+ elif isinstance(c[i], arvados.collection.Subcollection):
+ for f in files_in_collection(c[i], "{}/{}".format(stream_name, i)):
+ yield f