ADD: pickle serialization

test/drs_import.py

@@ -3,12 +3,14 @@ from scenes import drs
 
 # Arguments
 parser = argparse.ArgumentParser(description="Test",)
-parser.add_argument("--root_dir", help="Root directory containing MS and PAN folders", required=True)
+parser.add_argument("--root_dir", nargs='+', help="Root directories containing MS and PAN folders", required=True)
 parser.add_argument("--out_pickle", help="Output pickle file", required=True)
 params = parser.parse_args()
 
 # Get all scenes in the root_dir
-scenes = drs.get_spot67_scenes(params.root_dir)
+scenes = []
+for root_dir in params.root_dir:
+    scenes += drs.get_spot67_scenes(root_dir)
 
 # Save scenes in a pickle file
 drs.save_scenes(scenes, params.out_pickle)