Run this from a WP CLI shell to generate sample item code data for all local products.

catalog-data-sample.local.php

<?php

use Tribe\Project\Post_Meta\Catalog_Integration;
use Tribe\Project\Post_Types\Product\Product;
use Tribe\Project\Taxonomies\Item_Code\Item_Code;
use Tribe\Project\Taxonomies\Spec_Field\Spec_Field;
use Tribe\Project\Taxonomies\Warranty\Warranty;
use Tribe\Project\Taxonomy_Meta\Spec_Field_Attributes;

function localdev_populate_itemcodes() {
	$fields = [
		'height'              => 'Height',
		'width'               => 'Width',
		'depth'               => 'Depth',
		'seatheight'          => 'Seat Height',
		'weight'              => 'Product Weight',
		'steelcasestyle'      => 'Steelcase Style',
		'manufacturerstyle'   => 'Manufacturer Style',
		'leadtime'            => 'Lead Time',
		'warranty'            => 'Warranty',
		'material'            => 'Material',
		'certifications'      => 'Certifications',
		'countryavailability' => 'Country Availability',
	];

	foreach ( $fields as $key => $label ) {
		if ( ! term_exists( $key, Spec_Field::NAME ) ) {
			$term = wp_insert_term( $label, Spec_Field::NAME, [
				'slug' => $key,
			] );
			update_term_meta( $term['term_id'], Spec_Field_Attributes::GROUPING, Spec_Field_Attributes::INFO );
		}
	}

	$products_without_item_codes = get_posts( [
		'fields'         => 'ids',
		'posts_per_page' => - 1,
		'post_type'      => Product::NAME,
		'post_status'    => 'publish',
		'tax_query'      => [
			[
				'taxonomy' => Item_Code::NAME,
				'operator' => 'NOT EXISTS',
			],
		],
	] );

	foreach ( [ 'Steelcase Standard', 'Manufacturer' ] as $warranty ) {
		if ( ! term_exists( $warranty, Warranty::NAME ) ) {
			wp_insert_term( $warranty, Warranty::NAME );
		}
	}

	foreach ( $products_without_item_codes as $post_id ) {
		$title        = get_the_title( $post_id );
		\WP_CLI::log( 'Generating item code for ' . $title );
		$item_code    = preg_replace( '/\W/', '_', strtoupper( $title ) );

		$term_data = term_exists( $item_code, Item_Code::NAME );
		if ( $term_data ) {
			\WP_CLI::warning( sprintf( 'Item code %s already exists. Skipping...', $item_code ) );
			continue;
		}
		$term_data = wp_insert_term( $item_code, Item_Code::NAME );
		$item_code_id   = (int) $term_data['term_id'];
		if ( ! $item_code_id ) {
			\WP_CLI::warning( sprintf( 'Unable to create item code %s. Skipping...', $item_code ) );
			continue;
		}
		wp_set_object_terms( $post_id, [ $item_code_id ], Item_Code::NAME );

		$specs = [
			'depth'               => [ sprintf( '%d in', random_int( 10, 40 ) ) ],
			'weight'              => [ sprintf( '%d lb', random_int( 10, 40 ) ) ],
			'width'               => [ sprintf( '%d in', random_int( 10, 40 ) ) ],
			'warranty'            => [ [ 'Steelcase Standard', 'Manufacturer' ][ random_int( 0, 1 ) ] ],
			'material'            => [ [ 'Plastic', 'Fabric' ][ random_int( 0, 1 ) ] ],
			'manufacturerstyle'   => [ $item_code ],
			'certifications'      => [ [ 'BIFMA - Yes', 'SCS Indoor Advantage Gold' ][ random_int( 0, 1 ) ] ],
			'countryavailability' => [ [ 'USA', 'CAN', 'MEX' ][ random_int( 0, 2 ) ] ],
			'color'               => [ [ 'Red', 'Green', 'Blue' ][ random_int( 0, 2 ) ] ],
			'style'               => [ [ 'Modern', 'Classic', 'Victorian' ][ random_int( 0, 2 ) ] ],
			'leadtime'            => [ sprintf( '%d weeks delivered', random_int( 2, 10 ) ) ],
		];

		update_term_meta( $item_code_id, Catalog_Integration::SPECS, $specs );

		$list_price  = random_int( 800, 1500 );
		$cost_price  = random_int( 200, $list_price );
		$price_label = [ 'Retail', 'List' ][ random_int( 0, 1 ) ];
		update_term_meta( $item_code_id, Catalog_Integration::LIST_PRICE, ( (string) $list_price ) . '.00' );
		update_term_meta( $item_code_id, Catalog_Integration::LIST_PRICE_LABEL, $price_label );
		update_term_meta( $item_code_id, Catalog_Integration::COST_PRICE, ( (string) $cost_price ) . '.00' );
	}
}