Index: wp-admin/import/btt.php
===================================================================
--- wp-admin/import/btt.php	(revision 0)
+++ wp-admin/import/btt.php	(revision 0)
@@ -0,0 +1,115 @@
+<?php
+
+class BunnyTags_Import {
+
+	function header() {
+		echo '<div class="wrap">';
+		echo '<h2>'.__('Import Bunny&#8217;s Technorati Tags').'</h2>';
+		echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>';
+	}
+
+	function footer() {
+		echo '</div>';
+	}
+
+	function greet() {
+		echo '<div class="narrow">';
+		echo '<p>'.__('Howdy! This imports tags from an existing Bunny&#8217;s Technorati Tags installation into this blog using the new WordPress native tagging structure.').'</p>';
+		echo '<p>'.__('This is suitable for Bunny&#8217;s Technorati Tags version 0.6.').'</p>';
+		echo '<p><strong>'.__('All existing Bunny&#8217;s Technorati Tags will be removed after import.').'</strong></p>';
+		echo '<p><strong>'.__('Don&#8217;t be stupid - backup your database before proceeding!').'</strong></p>';
+		echo '<form action="admin.php?import=btt&amp;step=1" method="post">';
+		wp_nonce_field('import-btt');
+		echo '<p class="submit"><input type="submit" name="submit" value="'.__('Import Tags &raquo;').'" /></p>';
+		echo '</form>';
+		echo '</div>';
+	}
+
+	function dispatch() {
+		if ( empty($_GET['step']) )
+			$step = 0;
+		else
+			$step = abs(intval($_GET['step']));
+
+		// load the header
+		$this->header();
+
+		switch ( $step ) {
+			case 0 :
+				$this->greet();
+				break;
+			case 1 :
+				check_admin_referer('import-btt');
+				$this->check_post_keyword( true );
+				break;
+			case 2 :
+				check_admin_referer('import-btt');
+				$this->check_post_keyword( false );
+				break;
+			case 3:
+				$this->done();
+				break;
+		}
+
+		// load the footer
+		$this->footer();
+	}
+
+	function check_post_keyword($precheck = true) {
+		global $wpdb;
+
+		echo '<div class="narrow">';
+		echo '<p><h3>'.__('Reading Bunny&#8217;s Technorati Tags&#8230;').'</h3></p>';
+
+		// import Bunny's Keywords tags 
+		$metakeys = $wpdb->get_results("SELECT post_id, meta_id, meta_key, meta_value FROM $wpdb->postmeta WHERE $wpdb->postmeta.meta_key = 'tags'");
+		if ( !is_array($metakeys)) {
+			echo '<p>' . __('No Tags Found!') . '</p>';
+			return false;
+		} else {
+			$count = count($metakeys);
+			echo '<p>' . sprintf( __('Done! <strong>%s</strong> posts with tags were read.'), $count ) . '<br /></p>';
+			echo '<ul>';
+			foreach ( $metakeys as $post_meta ) {
+				if ( $post_meta->meta_value != '' ) {
+					$post_keys = explode(' ', $post_meta->meta_value);
+					foreach ( $post_keys as $keyword ) {
+						$keyword = addslashes(trim(str_replace('+',' ',$keyword)));
+						if ( '' != $keyword ) {
+							echo '<li>' . $post_meta->post_id . '&nbsp;-&nbsp;' . $keyword . '</li>';
+							if ( !$precheck )
+								wp_add_post_tags($post_meta->post_id, $keyword);
+						}
+					}
+				}
+				if ( !$precheck )
+					delete_post_meta($post_meta->post_id, 'tags');
+			}
+			echo '</ul>';
+		}
+
+		echo '<form action="admin.php?import=btt&amp;step='.($precheck? 2:3).'" method="post">';
+		wp_nonce_field('import-btt');
+		echo '<p class="submit"><input type="submit" name="submit" value="'.__('Next &raquo;').'" /></p>';
+		echo '</form>';
+		echo '</div>';
+	}
+
+	function done() {
+		echo '<div class="narrow">';
+		echo '<p><h3>'.__('Import Complete!').'</h3></p>';
+		echo '</div>';
+	}
+
+	function BunnyTags_Import() {
+	}
+
+}
+
+// create the import object
+$btt_import = new BunnyTags_Import();
+
+// add it to the import page!
+register_importer('btt', 'Bunny&#8217;s Technorati Tags', __('Import Bunny&#8217;s Technorati Tags into the new native tagging structure.'), array($btt_import, 'dispatch'));
+
+?>