comms/py-pyserial: Add an EXAMPLES option

The pyserial distribution includes a handy tcp/serial port bridge
script called tcp_serial_redirect.py. Add an EXAMPLES option to
install this (along with other pyserial example scripts).

PR:		260328
Approved by:	sbz (maintainer timeout, 18 days)

comms/py-pyserial/Makefile

@@ -2,7 +2,7 @@
 
 PORTNAME=	pyserial
 PORTVERSION=	3.5
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	comms python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -13,13 +13,29 @@ COMMENT=	Serial port encapsulation library for Python
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-USES=		python:3.6+
+USES=		python:3.6+ shebangfix
+SHEBANG_FILES=	examples/*.py
 
 USE_PYTHON=	distutils autoplist concurrent
 
+PORTEXAMPLES=   at_protocol.py port_publisher.py rfc2217_server.py \
+		setup-miniterm-py2exe.py setup-rfc2217_server-py2exe.py \
+		setup-wxTerminal-py2exe.py tcp_serial_redirect.py \
+		wxSerialConfigDialog.py wxTerminal.py
+
+EXAMPLESDIR=    ${PREFIX}/share/examples/py-${PORTNAME}
+
+OPTIONS_DEFINE=	EXAMPLES
+
 NO_ARCH=	yes
 
+post-install:
+	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
+	${INSTALL_SCRIPT} ${PORTEXAMPLES:S,^,${WRKSRC}/examples/,} \
+	    ${STAGEDIR}${EXAMPLESDIR}
+
 do-test:
-	${SETENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} ${PYTHON_CMD} ${WRKSRC}/test/test.py
+	${SETENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} \
+	    ${PYTHON_CMD} ${WRKSRC}/test/test.py
 
 .include <bsd.port.mk>