Reproduce testcase locally

butler.py

@@ -236,6 +236,14 @@ def _add_weights_subparser(toplevel_subparsers):
   _add_weights_batches_subparser(subparsers)
   _add_weights_target_subparser(subparsers)
 
+def _add_reproduce_subparser(toplevel_subparsers):
+  """Adds a parser for the `reproduce` command."""
+  parser = toplevel_subparsers.add_parser(
+      'reproduce', help='Reproduce a testcase locally.')
+  parser.add_argument(
+      '-c', '--config-dir', required=True, help='Path to application config.')
+  parser.add_argument(
+      '-t', '--testcase-id', required=True, help='The testcase ID to reproduce.')
 
 def main():
   """Parse the command-line args and invoke the right command."""
@@ -410,7 +418,7 @@ def main():
 
   _add_integration_tests_subparsers(subparsers)
   _add_weights_subparser(subparsers)
-
+  _add_reproduce_subparser(subparsers)
   args = parser.parse_args()
   if not args.command:
     parser.print_help()