devel/py-opencensus-context: Convert to USE_PYTHON=pep517

- Bump PORTREVISION for package change

devel/py-opencensus-context/Makefile

 PORTNAME=	opencensus-context
 PORTVERSION=	0.1.3
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -10,14 +11,13 @@ WWW=		https://github.com/census-instrumentation/opencensus-python/tree/master/co
 
 LICENSE=	APACHE20
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools-scm>=0:devel/py-setuptools-scm@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}setuptools-scm>=0:devel/py-setuptools-scm@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 
 USES=		dos2unix python
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
-post-patch:
-	@${RM} ${WRKSRC}/opencensus/__init__.py
-
 .include <bsd.port.mk>

devel/py-opencensus-context/files/patch-setup.py

+--- setup.py.orig	2022-08-03 21:31:16 UTC
++++ setup.py
+@@ -54,7 +54,7 @@ setup(
+     ],
+     extras_require={},
+     license='Apache-2.0',
+-    packages=find_packages(exclude=('examples', 'tests',)),
++    packages=['opencensus.common.runtime_context'],
+     namespace_packages=[],
+     url='https://github.com/census-instrumentation/opencensus-python/tree/master/context/opencensus-context',  # noqa: E501
+     zip_safe=False,