dev-python/pip-19.3.1-r1: Revbump, update install patch for --prefix

Copyright: Sony Interactive Entertainment Inc.
Package-Manager: Portage-2.3.79, Repoman-2.3.18
Signed-off-by: Patrick McLean <chutzpah@gentoo.org>

dev-python/pip/files/pip-19.3.1-disable-system-install.patch

@@ -0,0 +1,17 @@
+install: Raise an error to avoid breaking python-exec
+
+Running pip without --target, --root, or --user will result in packages
+being installed systemwide. This has a tendency to break python-exec if
+setuptools gets installed or upgraded.
+
+--- pip-19.1/src/pip/_internal/commands/install.py
++++ pip-19.1/src/pip/_internal/commands/install.py
+@@ -246,6 +246,9 @@ class InstallCommand(RequirementCommand):
+         if options.upgrade:
+             upgrade_strategy = options.upgrade_strategy
+
++        if not any((options.use_user_site, options.target_dir, options.root_path, options.prefix_path)):
++            raise CommandError("(Gentoo) Please run pip with the --user option to avoid breaking python-exec")
++
+         if options.build_dir:
+             options.build_dir = os.path.abspath(options.build_dir)

dev-python/pip/pip-19.3.1-r1.ebuild

@@ -0,0 +1,119 @@
+# 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} pypy{,3} )
+PYTHON_REQ_USE="ssl(+),threads(+)"
+
+inherit bash-completion-r1 distutils-r1 multiprocessing
+
+SETUPTOOLS_PV="41.4.0"
+WHEEL_PV="0.33.6"
+
+DESCRIPTION="Installs python packages -- replacement for easy_install"
+HOMEPAGE="https://pip.pypa.io/ https://pypi.org/project/pip/ https://github.com/pypa/pip/"
+SRC_URI="
+	https://github.com/pypa/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz
+	test? (
+		https://files.pythonhosted.org/packages/py2.py3/s/setuptools/setuptools-${SETUPTOOLS_PV}-py2.py3-none-any.whl
+		https://files.pythonhosted.org/packages/py2.py3/w/wheel/wheel-${WHEEL_PV}-py2.py3-none-any.whl
+	)
+"
+# PyPI archive does not have tests, so we need to download from GitHub.
+# setuptools & wheel .whl files are required for testing, exact version is not very important.
+
+LICENSE="MIT"
+KEYWORDS="~amd64 ~x86"
+SLOT="0"
+IUSE="test -vanilla"
+
+# disable-system-install patch breaks tests
+RESTRICT="!vanilla? ( test )"
+
+RDEPEND="
+	>=dev-python/setuptools-39.2.0[${PYTHON_USEDEP}]
+"
+DEPEND="
+	${RDEPEND}
+	test? (
+		dev-python/freezegun[${PYTHON_USEDEP}]
+		dev-python/mock[${PYTHON_USEDEP}]
+		dev-python/pretend[${PYTHON_USEDEP}]
+		<dev-python/pytest-4[${PYTHON_USEDEP}]
+		dev-python/pytest-cov[${PYTHON_USEDEP}]
+		<dev-python/pytest-rerunfailures-7.0[${PYTHON_USEDEP}]
+		dev-python/pytest-timeout[${PYTHON_USEDEP}]
+		<dev-python/pytest-xdist-1.28.0[${PYTHON_USEDEP}]
+		dev-python/pyyaml[${PYTHON_USEDEP}]
+		dev-python/scripttest[${PYTHON_USEDEP}]
+		dev-python/wheel[${PYTHON_USEDEP}]
+	)
+"
+
+python_prepare_all() {
+	local PATCHES=(
+		"${FILESDIR}/${PN}-19.3-disable-version-check.patch"
+	)
+	if ! use vanilla; then
+		PATCHES+=( "${FILESDIR}/pip-19.3.1-disable-system-install.patch" )
+	fi
+	distutils-r1_python_prepare_all
+
+	if use test; then
+		mkdir tests/data/common_wheels/
+		cp "${DISTDIR}"/setuptools-${SETUPTOOLS_PV}-py2.py3-none-any.whl tests/data/common_wheels/ || die
+		cp "${DISTDIR}"/wheel-${WHEEL_PV}-py2.py3-none-any.whl tests/data/common_wheels/ || die
+	fi
+}
+
+python_test () {
+	# pip test suite likes to test installed version of pip, both the module and the executable.
+	# Here we install it into a temporary dir and add to PATHs in a subshell.
+	EPYTHON_ROOT="${T}/${EPYTHON}_root"
+	esetup.py install --root "${EPYTHON_ROOT}"
+
+	if [[ ${EPYTHON} == python2* ]]; then
+		# These tests just fail on Python 2.
+		EXCLUDE_TESTS=( or pep518_uses_build_env or install_package_with_root or install_editable_with_prefix
+			or install_from_current_directory_into_usersite or install_user_wheel
+			or uninstall_from_usersite_with_dist_in_global_site
+			or uninstall_editable_from_usersite
+			or build_env_isolation
+		)
+	fi
+
+	(
+		export PATH="${EPYTHON_ROOT}/usr/bin:$PATH"
+		export PYTHONPATH="${EPYTHON_ROOT}/$(python_get_sitedir)"
+
+		# Disable VCS and network tests.
+		# version_check tests are excluded since we explicitly disable this feature entirely.
+		# uninstall test just fails, likely because of our test environment setup.
+		python -m pytest -v \
+			-n $(makeopts_jobs) \
+			--timeout 300 \
+			-k "not (svn or git or bazaar or mercurial or version_check or uninstall_non_local_distutils ${EXCLUDE_TESTS[*]})" \
+			-m "not network" \
+			|| die
+	)
+}
+
+python_install_all() {
+	local DOCS=( AUTHORS.txt docs/html/**/*.rst )
+	distutils-r1_python_install_all
+
+	COMPLETION="${T}"/completion.tmp
+
+	# 'pip completion' command embeds full $0 into completion script, which confuses
+	# 'complete' and causes QA warning when running as "${PYTHON} -m pip".
+	# This trick sets correct $0 while still calling just installed pip.
+	local pipcmd='import sys; sys.argv[0] = "pip"; import pip.__main__; sys.exit(pip.__main__._main())'
+
+	${PYTHON} -c "${pipcmd}" completion --bash > "${COMPLETION}" || die
+	newbashcomp "${COMPLETION}" ${PN}
+
+	${PYTHON} -c "${pipcmd}" completion --zsh > "${COMPLETION}" || die
+	insinto /usr/share/zsh/site-functions
+	newins "${COMPLETION}" _pip
+}