schema serialization adjustments and app

1 files changed, 4 insertions, 1 deletions

diff --git a/bsie/apps/info.py b/bsie/apps/info.py
index a4e611c..cd28685 100644
--- a/bsie/apps/info.py
+++ b/bsie/apps/info.py
@@ -26,7 +26,7 @@ __all__: typing.Sequence[str] = (
 def main(argv):
     """Show information from BSIE."""
     parser = argparse.ArgumentParser(description=main.__doc__, prog='info')
-    parser.add_argument('what', choices=('predicates', ),
+    parser.add_argument('what', choices=('predicates', 'schema'),
         help='Select what information to show.')
     args = parser.parse_args(argv)
 
@@ -63,6 +63,9 @@ def main(argv):
         # show predicates
         for pred in pipeline.schema.predicates():
             print(pred.uri)
+    elif args.what == 'schema':
+        # show schema
+        print(bsfs.schema.to_string(pipeline.schema))
     else:
         # args.what is already checked by argparse
         raise errors.UnreachableError()