Simple attachment.php for GeneratePress

attachment.php

<?php
/**
 * The Template for displaying all attachments.
 *
 * @package GeneratePress
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

get_header(); ?>

<div id="primary" <?php generate_do_element_classes( 'content' ); ?>>
	<main id="main" <?php generate_do_element_classes( 'main' ); ?>>
	<?php
	/**
	 * generate_before_main_content hook.
	 *
	 * @since 0.1
	 */
	do_action( 'generate_before_main_content' );
		
	while ( have_posts() ) : the_post();
	/** display attachment */
	?>
	<div class="entry-attachment">
		<?php if ( wp_attachment_is_image( $post->id ) ) : $att_image = wp_get_attachment_image_src( $post->id, "full"); ?>
			
			<p class="attachment">
				<img src="<?php echo $att_image[0];?>" width="<?php echo $att_image[1];?>" height="<?php echo $att_image[2];?>"  class="attachment-full" alt="<?php $post->post_excerpt; ?>" />
			</p>
			
		<?php else : ?>
			
			<a href="<?php echo wp_get_attachment_url($post->ID) ?>" title="<?php echo wp_specialchars( get_the_title($post->ID), 1 ) ?>" rel="attachment"><?php echo basename($post->guid) ?></a>
			
		<?php endif; ?>
		
	</div>
		
	<?php
		
	/** display title */
	if ( generate_show_title() ) : ?>
			
		<header class="entry-header">
			<?php the_title( '<h1 class="entry-title" itemprop="headline">', '</h1>' ); ?>
		</header><!-- .entry-header -->
			
	<?php endif;
		
	/** Display description */
	?>
		
	<div class="entry-description">
		<?php the_content(); ?>
	</div><!-- .entry-caption -->
	
	<?php
	endwhile;
		
	/**
	* generate_after_main_content hook.
	* @since 0.1
	*/
	do_action( 'generate_after_main_content' );
	?>
	</main><!-- #main -->
</div><!-- #primary -->

<?php
/**
 * generate_after_primary_content_area hook.
 *
 * @since 2.0
 */
do_action( 'generate_after_primary_content_area' );

generate_construct_sidebars();

get_footer();