INNER CODE UNIT · Python

register_extension

python-bonobo/bonobo · bonobo/commands/__init__.py:30

    def register_extension(ext):
        nonlocal commands

        try:
            parser = subparsers.add_parser(ext.name)
            if isinstance(ext.plugin, type) and issubclass(ext.plugin, BaseCommand):
                # current way, class based.
                cmd = ext.plugin()
                cmd.add_arguments(parser)
                cmd.__name__ = ext.name
                commands[ext.name] = cmd.handle
            else:
                # old school, function based.
                commands[ext.name] = ext.plugin(parser)
        except Exception:
            logger.exception("Error while loading command {}.".format(ext.name))

    from stevedore import ExtensionManager

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