dev-python/setuptools: Bump to 42.0.0

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/setuptools/Manifest

@@ -1,2 +1,3 @@
 DIST setuptools-40.6.3.zip 839328 BLAKE2B ddc87213439ce2ad96ba54218bd5b3e41a7c31d670bddb9e4ea058b8ee7dffbe6fcb0e5fd24baf3fb38f5e824fde36aa8dc1e09d7ac37f9375ee351406389cd6 SHA512 6c628b8fc67645bca96ddcd016ec9a685e91690bf98dff077e842cfbd0d8d24de76ac51b3ff238d31551a48819d8f694fee6e9bb422ca954e54c22b4bda0038c
 DIST setuptools-41.5.1.zip 851097 BLAKE2B 2411db77cffb24190c1510c7fab623ae0fb2a248994eae01e1a79427d35d8bf6a2f065de0d95dc11105df0bb42962a57c914486b48dc91115ec32e4dbcbc059d SHA512 eb6e944c80448873f8970477aaf474e75879e2b81b91fdc7a308670fed231d52880c3be3452e7ed3f094f20d4afe54b1db24ec4d98845ed47ee5e71dbf66261d
+DIST setuptools-42.0.0.zip 852125 BLAKE2B b3cbba2eb97f7d6d0bb1a1d582c927680ada8d4589c4a196886f95cddd5b8c8b14fb5f0a2397ab7bcdc4ddd5fe6d4eddfab53bf9f43e0781a666f3d88efb8117 SHA512 d430605f8da3820b8d902d339b63bc382b9ec1bb0187385f792226bdfa8c191634df69881e1c43ffa8900599307d0ba202cfcb2d30df12d061f8220b9eae854a

dev-python/setuptools/files/setuptools-42.0.0-imp-fix.patch

@@ -0,0 +1,51 @@
+From bbf825eee764cae0bc44077ccc957a733d53d095 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ond=C5=99ej=20S=C3=BAkup?=
+ <mimi1vx@users.noreply.github.com>
+Date: Fri, 15 Nov 2019 08:52:35 +0100
+Subject: [PATCH] Fix _imp module behaviour if is defined paths in find_spec
+ call
+
+fixes #1896
+---
+ setuptools/_imp.py | 15 ++++++++++++---
+ 1 file changed, 12 insertions(+), 3 deletions(-)
+
+diff --git a/setuptools/_imp.py b/setuptools/_imp.py
+index a3cce9b28..6ccec5799 100644
+--- a/setuptools/_imp.py
++++ b/setuptools/_imp.py
+@@ -19,7 +19,10 @@
+ 
+ def find_module(module, paths=None):
+     """Just like 'imp.find_module()', but with package support"""
+-    spec = importlib.util.find_spec(module, paths)
++    if isinstance(paths, list):
++        spec = importlib.machinery.PathFinder().find_spec(module, paths)
++    else:
++        spec = importlib.util.find_spec(module, paths)
+     if spec is None:
+         raise ImportError("Can't find %s" % module)
+     if not spec.has_location and hasattr(spec, 'submodule_search_locations'):
+@@ -60,14 +63,20 @@ def find_module(module, paths=None):
+ 
+ 
+ def get_frozen_object(module, paths=None):
+-    spec = importlib.util.find_spec(module, paths)
++    if isinstance(paths, list):
++        spec = importlib.machinery.PathFinder().find_spec(module, paths)
++    else:
++        spec = importlib.util.find_spec(module, paths)
+     if not spec:
+         raise ImportError("Can't find %s" % module)
+     return spec.loader.get_code(module)
+ 
+ 
+ def get_module(module, paths, info):
+-    spec = importlib.util.find_spec(module, paths)
++    if isinstance(paths, list):
++        spec = importlib.machinery.PathFinder().find_spec(module, paths)
++    else:
++        spec = importlib.util.find_spec(module, paths)
+     if not spec:
+         raise ImportError("Can't find %s" % module)
+     return module_from_spec(spec)

dev-python/setuptools/setuptools-42.0.0.ebuild

@@ -0,0 +1,89 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python2_7 python3_{5,6,7,8} pypy{,3} )
+PYTHON_REQ_USE="xml(+)"
+
+inherit distutils-r1
+
+if [[ ${PV} == "9999" ]]; then
+	EGIT_REPO_URI="https://github.com/pypa/setuptools.git"
+	inherit git-r3
+else
+	SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.zip"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+fi
+
+DESCRIPTION="Collection of extensions to Distutils"
+HOMEPAGE="https://github.com/pypa/setuptools https://pypi.org/project/setuptools/"
+
+LICENSE="MIT"
+SLOT="0"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+# Temporary hack to avoid py38 keywording hell.  Please remove when
+# the test deps all have py38.  Also setuptools' test pass with py38,
+# so you need to hack them all in locally before bumping and test.
+TEST_USEDEP=$(python_gen_usedep python2_7 python3_{5,6,7} pypy{,3})
+BDEPEND="
+	app-arch/unzip
+	test? (
+		dev-python/mock[${TEST_USEDEP}]
+		dev-python/pip[${TEST_USEDEP}]
+		>=dev-python/pytest-3.7.0[${TEST_USEDEP}]
+		dev-python/pytest-fixture-config[${TEST_USEDEP}]
+		dev-python/pytest-virtualenv[${TEST_USEDEP}]
+		dev-python/wheel[${TEST_USEDEP}]
+		virtual/python-futures[${PYTHON_USEDEP}]
+	)
+"
+PDEPEND="
+	>=dev-python/certifi-2016.9.26[${PYTHON_USEDEP}]"
+
+# Force in-source build because build system modifies sources.
+DISTUTILS_IN_SOURCE_BUILD=1
+
+DOCS=( {CHANGES,README}.rst docs/{easy_install.txt,pkg_resources.txt,setuptools.txt} )
+
+PATCHES=(
+	# fix regression introduced by reinventing deprecated 'imp'
+	# https://github.com/pypa/setuptools/pull/1905
+	"${FILESDIR}"/setuptools-42.0.0-imp-fix.patch
+)
+
+python_prepare_all() {
+	if [[ ${PV} == "9999" ]]; then
+		python_setup
+		${EPYTHON} bootstrap.py || die
+	fi
+
+	# disable tests requiring a network connection
+	rm setuptools/tests/test_packageindex.py || die
+
+	# don't run integration tests
+	rm setuptools/tests/test_integration.py || die
+
+	distutils-r1_python_prepare_all
+}
+
+python_test() {
+	if [[ ${EPYTHON} == python3.8 ]]; then
+		if [[ ${PV} != 42.0.0 ]]; then
+			eerror "Please disable py38 hacks and test locally, then update this."
+			die "Python 3.8 support untested for ${PV}"
+		fi
+		einfo "Skipping testing on ${EPYTHON} due to unkeyworded deps"
+		return
+	fi
+
+	# test_easy_install raises a SandboxViolation due to ${HOME}/.pydistutils.cfg
+	# It tries to sandbox the test in a tempdir
+	HOME="${PWD}" pytest -vv ${PN} || die "Tests failed under ${EPYTHON}"
+}
+
+python_install() {
+	export DISTRIBUTE_DISABLE_VERSIONED_EASY_INSTALL_SCRIPT=1
+	distutils-r1_python_install
+}