def process_components_config_section(config, components_config):
    """ Processes the components section from a configuration data dict.

    :param config: The config reference of the object that will hold the
    configuration data from the config_data.
    :param components_config: Data section from a config data dict.
    """
    for component_config in components_config:
        if 'id' not in component_config:
            raise Exception('The component %s was defined without an id.' %
                component_config)
        component_id = component_config['id']
        if component_id not in config.components:
            config.components[component_id] = {}
            config.components[component_id]['enabled'] = False
            config.components[component_id]['config'] = {}
        if 'class' in component_config:
            class_config_x = component_config['class'].split('.')
            config.components[component_id]['class'] = class_config_x[-1]
            config.components[component_id]['module'] = '.'.join(class_config_x
                [:-1])
        if 'enabled' in component_config:
            config.components[component_id]['enabled'] = bool(component_config
                ['enabled'])
