Switch from add_subparsers to add_subparsers_on_demand

Signed-off-by: Christophe Bedard <bedard.christophe@gmail.com>
This commit is contained in:
Christophe Bedard 2020-03-07 17:33:08 -05:00
parent 936fc31dca
commit e757a98554

View file

@ -14,9 +14,8 @@
"""Module for trace analysis command extension implementation.""" """Module for trace analysis command extension implementation."""
from ros2cli.command import add_subparsers from ros2cli.command import add_subparsers_on_demand
from ros2cli.command import CommandExtension from ros2cli.command import CommandExtension
from ros2cli.verb import get_verb_extensions
class TraceAnalysisCommand(CommandExtension): class TraceAnalysisCommand(CommandExtension):
@ -25,9 +24,8 @@ class TraceAnalysisCommand(CommandExtension):
def add_arguments(self, parser, cli_name): def add_arguments(self, parser, cli_name):
self._subparser = parser self._subparser = parser
# get verb extensions and let them add their arguments # get verb extensions and let them add their arguments
verb_extensions = get_verb_extensions('ros2trace_analysis.verb') add_subparsers_on_demand(
add_subparsers( parser, cli_name, '_verb', 'ros2trace_analysis.verb', required=False)
parser, cli_name, '_verb', verb_extensions, required=False)
def main(self, *, parser, args): def main(self, *, parser, args):
if not hasattr(args, '_verb'): if not hasattr(args, '_verb'):