def uninstall_module()

in modular_api/services/install_service.py [0:0]

• 36 lines of code
• 4 McCabe index (conditional complexity)

def uninstall_module(module_name):
    """
    :param module_name: the name to the module to uninstalling
    :return: none
    """
    _LOG.info(f"Going to delete the '{module_name}' module")
    m3_modular_admin_dir, _ = os.path.split(os.path.dirname(__file__))

    module_descriptor_path = os.path.join(
        m3_modular_admin_dir, MODULES_DIR,
        module_name, API_MODULE_FILE)

    if not os.path.isfile(module_descriptor_path):
        incorrect_path_message = 'Provided path is incorrect or does ' \
                                 'not contain api_module.json file'
        _LOG.error(incorrect_path_message)
        raise ModularApiBadRequestException(incorrect_path_message)

    with open(module_descriptor_path) as file:
        api_module_config = json.load(file)

    check_uninstall(api_module_config)

    if not all(key in api_module_config.keys()
               for key in DESCRIPTOR_REQUIRED_KEYS):
        descriptor_key_absence_message = \
            f'Descriptor file must contains the following keys: ' \
            f'{", ".join(DESCRIPTOR_REQUIRED_KEYS)}'
        _LOG.error(descriptor_key_absence_message)
        sys.exit(descriptor_key_absence_message)

    web_service_cmd_base = os.path.join(MODULAR_ADMIN_ROOT_PATH,
                                        'web_service',
                                        'commands_base.json')

    mount_point = api_module_config[MOUNT_POINT_KEY]
    with open(web_service_cmd_base) as file:
        web_service_content = json.load(file)
    _LOG.info(f'Deleting the {mount_point} mount point from metadata')
    web_service_content.pop(mount_point, None)

    with open(web_service_cmd_base, 'w') as file:
        json.dump(web_service_content, file, indent=2)
    remove_tree(
        os.path.join(MODULAR_ADMIN_ROOT_PATH, MODULES_DIR, module_name))

    _LOG.info(f'The {module_name} module was successfully uninstalled')
    return CommandResponse(
        message=f'\'{module_name}\' successfully uninstalled')