def valid_command_plugin(self, plugin):
        if (issubclass(plugin, CommandPlugin)   and
            hasattr(plugin, 'plugin_type')      and plugin.plugin_type == 'command' and
            hasattr(plugin, 'name')             and plugin.name != None):
            return True
        return False
Validate a command plugin, ensuring it is a command plugin and has the
dataset/ETHPy150Open snare/voltron/voltron/plugin.py/PluginManager.valid_command_plugin