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-rw-r--r--cliff/sphinxext.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/cliff/sphinxext.py b/cliff/sphinxext.py
index d8468b6..5ec3448 100644
--- a/cliff/sphinxext.py
+++ b/cliff/sphinxext.py
@@ -268,6 +268,15 @@ class AutoprogramCliffDirective(rst.Directive):
if fnmatch.fnmatch(x, command_pattern)]
else:
commands = manager.commands.keys()
+
+ if not commands:
+ msg = 'No commands found in the "{}" namespace'
+ if command_pattern:
+ msg += ' using the "{}" command name/pattern'
+ msg += ('. Are you sure this is correct and the application being '
+ 'documented is installed?')
+ raise self.warning(msg.format(self.arguments[0], command_pattern))
+
return dict((name, self._load_command(manager, name))
for name in commands)