custom_directives.py 文件源码

def get_image_node(self, source):
        file_name = self.name_source_snippet(source)
        file_path = os.path.join(VISUAL_EXAMPLES_DIR, file_name)

        env = self.state.document.settings.env

        if all([
            render_snippet,
            env.config['render_examples'],
            not os.environ.get('SPHINX_DISABLE_RENDER', False),
        ]):
            try:
                render_snippet(
                    source, file_path,
                    output_dir=SOURCE_DIR, **self.options
                )
            except:
                print("problematic code:\n%s" % source)
                raise

        img = nodes.image()
        img['uri'] = "/" + file_path
        return img