def create_app_packager()

in chalice/package.py [0:0]

• 41 lines of code
• 6 McCabe index (conditional complexity)

def create_app_packager(
        config, options, package_format='cloudformation',
        template_format='json', merge_template=None):
    # type: (Config, PackageOptions, str, str, Optional[str]) -> AppPackager
    osutils = OSUtils()
    ui = UI()
    application_builder = ApplicationGraphBuilder()
    deps_builder = DependencyBuilder()
    post_processors = []  # type: List[TemplatePostProcessor]
    generator = None  # type: Union[None, TemplateGenerator]

    template_serializer = cast(TemplateSerializer, JSONTemplateSerializer())
    if package_format == 'cloudformation':
        build_stage = create_build_stage(
            osutils, ui, CFNSwaggerGenerator(), config)
        use_yaml_serializer = template_format == 'yaml'
        if merge_template is not None and \
                YAMLTemplateSerializer.is_yaml_template(merge_template):
            # Automatically switch the serializer to yaml if they specify
            # a yaml template to merge, regardless of what template format
            # they specify.
            use_yaml_serializer = True
        if use_yaml_serializer:
            template_serializer = YAMLTemplateSerializer()
        post_processors.extend([
            SAMCodeLocationPostProcessor(osutils=osutils),
            TemplateMergePostProcessor(
                osutils=osutils,
                merger=TemplateDeepMerger(),
                template_serializer=template_serializer,
                merge_template=merge_template)])
        generator = SAMTemplateGenerator(config, options)
    else:
        build_stage = create_build_stage(
            osutils, ui, TerraformSwaggerGenerator(), config)
        generator = TerraformGenerator(config, options)
        post_processors.append(
            TerraformCodeLocationPostProcessor(osutils=osutils))

    resource_builder = ResourceBuilder(
        application_builder, deps_builder, build_stage)

    return AppPackager(
        generator,
        resource_builder,
        CompositePostProcessor(post_processors),
        template_serializer,
        osutils)