Do not register empty CLI groups from Blueprint

(Fixes #3224)
2019-05-31 16:48:32 +01:00 · 2019-05-31 16:48:32 +01:00 · f25b5000fd
commit f25b5000fd
parent 14e9291380
2 changed files with 12 additions and 0 deletions
--- a/flask/blueprints.py
+++ b/flask/blueprints.py
@ -218,6 +218,9 @@ class Blueprint(_PackageBoundObject):

        cli_resolved_group = options.get("cli_group", self.cli_group)

+        if not self.cli.commands:
+            return
+
        if cli_resolved_group is None:
            app.cli.commands.update(self.cli.commands)
        elif cli_resolved_group is _sentinel: