2 files changed, 9 insertions(+), 9 deletions(-)

M CHANGELOG.md
M subc/__init__.py

@@ 6,10 6,10 @@ Unreleased
 
 Changes to client API:
 
-- Root subclasses must now set "rootname" on their base class. It should
-  be set toto the name of the root program (i.e. whatever sys.argv[0]
-  would be). This is technically only needed if you use the new
-  "simple_sub_parser()" method though.
+- Root subclasses can now set "rootname" on their base class. It should
+  be set to the name of the root program (i.e. whatever sys.argv[0] would be).
+  This is technically only needed if you use the new "simple_sub_parser()"
+  method though.
 - The optional "help" attribute can be used as a short description, if
   you'd like to make description multiline.
 - The optional "group" attribute can be set on each class in order to

@@ 137,10 137,6 @@ class Command(ABC):
     - alias: used as an optional alias for this command (in case you rename it)
     """
 
-    @abstractproperty
-    def rootname(self) -> str:
-        """The root command name (only needs to be defined on the parent)"""
-
     @property
     def help_formatter_class(self) -> t.Type[F]:
         return argparse.HelpFormatter


@@ 196,8 192,12 @@ class Command(ABC):
         create a parser for use by documentation generators like
         sphinx-argparse.
         """
+        if hasattr(self, "rootname"):
+            prog = f"{self.rootname}"
+        else:
+            prog = self.name
         parser = argparse.ArgumentParser(
-            prog=f"{self.rootname} {self.name}",
+            prog=prog,
             description=self.description,
             formatter_class=self.help_formatter_class,
         )