graphics/py-colour: remove deprecated d2to1

d2to1 has been deprecated and archived for years, and its functionality
has been subsumed into plain setuptools.

While here, switch to USE_PYTHON=pep517

PR: 293782
Approved by: Martin Neubauer (maintainer)

graphics/py-colour/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	colour
 PORTVERSION=	0.1.5
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	graphics devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -12,11 +12,12 @@ WWW=		https://github.com/vaab/colour
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}d2to1>0:devel/py-d2to1@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}nose>0:devel/py-nose@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist pep517
 
 NO_ARCH=	yes
 

graphics/py-colour/files/patch-setup.py

@@ -0,0 +1,16 @@
+--- setup.py.orig	2017-11-19 23:15:25 UTC
++++ setup.py
+@@ -54,12 +54,4 @@ if "0.1.5".startswith("%%"):
+     sys.exit(errlvl)
+ 
+ 
+-##
+-## Normal d2to1 setup
+-##
+-
+-setup(
+-    setup_requires=['d2to1'],
+-    extras_require={'test': ['nose', ]},
+-    d2to1=True
+-)
++setup(extras_require={'test': ['nose', ]})