parser = argparse.ArgumentParser(
description='Read manifest on standard input and put normalized manifest on standard output.')
+parser.add_argument('--extract', type=str, help="The file to extract from the input manifest")
+parser.add_argument('--strip', action='store_true', help="Strip authorization tokens")
+
args = parser.parse_args()
import arvados
r = sys.stdin.read()
-
+
cr = arvados.CollectionReader(r)
-print cr.manifest_text()
+if args.extract:
+ i = args.extract.rfind('/')
+ if i == -1:
+ stream = '.'
+ fn = args.extract
+ else:
+ stream = args.extract[:i]
+ fn = args.extract[(i+1):]
+ for s in cr.all_streams():
+ if s.name() == stream:
+ if fn in s.files():
+ sys.stdout.write(s.files()[fn].as_manifest())
+else:
+ sys.stdout.write(cr.manifest_text(args.strip))