math/py-keras: fix runtime

- add missing dependencies to fix keras runtime
- add pkg-message to instruct user how to use keras in absence of tensorflow
- bump PORTREVISION

Approved by:	portmgr (blanket approval)

2 files changed, 12 insertions, 2 deletions

diff --git a/math/py-keras/Makefile b/math/py-keras/Makefile
index 448ab3b16b34..512d85f4026f 100644
--- a/math/py-keras/Makefile
+++ b/math/py-keras/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	keras
 DISTVERSION=	2.2.4
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	math
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
@@ -16,12 +16,17 @@ RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=0.14:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.9.0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}theano>=0.8.0:math/py-theano@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}yaml>0:devel/py-yaml@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}yaml>0:devel/py-yaml@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}h5py>=0:science/py-h5py@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}keras-applications>=1.0.6:math/py-keras-applications@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}keras-preprocessing>=1.0.5:math/py-keras-preprocessing@${PY_FLAVOR}
 
 USES=		python
 USE_GITHUB=	yes
 GH_ACCOUNT=	keras-team
 USE_PYTHON=	autoplist distutils
+
 NO_ARCH=	yes
+SUB_FILES=	pkg-message
 
 .include <bsd.port.mk>
diff --git a/math/py-keras/files/pkg-message.in b/math/py-keras/files/pkg-message.in
new file mode 100644
index 000000000000..03b53c1eced3
--- /dev/null
+++ b/math/py-keras/files/pkg-message.in
@@ -0,0 +1,5 @@
+===
+There is no Tensorflow port currently in FreeBSD ports tree that is required
+by Keras by default. To make Keras work with Theano backend, one need to modify
+theirs $HOME/.keras/keras.json file and set "backend" option to "theano".
+===