Index: head/www/py-draftjs_exporter/Makefile
===================================================================
--- head/www/py-draftjs_exporter/Makefile	(revision 524198)
+++ head/www/py-draftjs_exporter/Makefile	(revision 524199)
@@ -1,21 +1,29 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	draftjs_exporter
 PORTVERSION=	3.0.0
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Library to convert rich text from Draft.js raw ContentState to HTML
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.5+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
+OPTIONS_DEFINE=	HTML5LIB LXML
+HTML5LIB_DESC=	Use html5lib as backing engine
+LXML_DESC=	Use lxml as backing engine
+
+HTML5LIB_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}beautifulsoup>=4.4.1<5:www/py-beautifulsoup@${PY_FLAVOR} \
+			${PYTHON_PKGNAMEPREFIX}html5lib>=0.999<1.0.2:www/py-html5lib@${PY_FLAVOR}
+LXML_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}lxml>=4.2.0<5:devel/py-lxml@${PY_FLAVOR}
+
 .include <bsd.port.mk>