dev-python/pygobject: don't install examples without USE=examples

Examples were unconditionally installed and USE=examples didn't do
anything. Fix it.

Thanks-to: dantrell
Signed-off-by: Mart Raudsepp <leio@gentoo.org>
Package-Manager: Portage-2.3.52, Repoman-2.3.11

dev-python/pygobject/pygobject-3.28.3-r1.ebuild

@@ -0,0 +1,99 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+GNOME2_LA_PUNT="yes"
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} )
+
+inherit eutils gnome2 python-r1 virtualx
+
+DESCRIPTION="GLib's GObject library bindings for Python"
+HOMEPAGE="https://wiki.gnome.org/Projects/PyGObject"
+
+LICENSE="LGPL-2.1+"
+SLOT="3"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
+IUSE="+cairo examples test"
+
+REQUIRED_USE="
+	${PYTHON_REQUIRED_USE}
+	test? ( cairo )
+"
+
+COMMON_DEPEND="${PYTHON_DEPS}
+	>=dev-libs/glib-2.38:2
+	>=dev-libs/gobject-introspection-1.46.0:=
+	virtual/libffi:=
+	cairo? (
+		>=dev-python/pycairo-1.11.1[${PYTHON_USEDEP}]
+		x11-libs/cairo )
+"
+DEPEND="${COMMON_DEPEND}
+	virtual/pkgconfig
+	cairo? ( x11-libs/cairo[glib] )
+	test? (
+		dev-libs/atk[introspection]
+		dev-python/pytest[${PYTHON_USEDEP}]
+		media-fonts/font-cursor-misc
+		media-fonts/font-misc-misc
+		x11-libs/cairo[glib]
+		x11-libs/gdk-pixbuf:2[introspection,jpeg]
+		x11-libs/gtk+:3[introspection]
+		x11-libs/pango[introspection]
+		python_targets_python2_7? ( dev-python/pyflakes[$(python_gen_usedep python2_7)] ) )
+"
+# autoconf-archive required by eautoreconf
+
+# We now disable introspection support in slot 2 per upstream recommendation
+# (see https://bugzilla.gnome.org/show_bug.cgi?id=642048#c9); however,
+# older versions of slot 2 installed their own site-packages/gi, and
+# slot 3 will collide with them.
+RDEPEND="${COMMON_DEPEND}
+	!<dev-python/pygtk-2.13
+	!<dev-python/pygobject-2.28.6-r50:2[introspection]
+"
+
+src_prepare() {
+	gnome2_src_prepare
+	python_copy_sources
+}
+
+src_configure() {
+	# Hard-enable libffi support since both gobject-introspection and
+	# glib-2.29.x rdepend on it anyway
+	# docs disabled by upstream default since they are very out of date
+	configuring() {
+		gnome2_src_configure \
+			$(use_enable cairo)
+
+		# Pyflakes tests work only in python2, bug #516744
+		if use test && [[ ${EPYTHON} != python2.7 ]]; then
+			sed -e 's/if type pyflakes/if false/' \
+				-i Makefile || die "sed failed"
+		fi
+	}
+
+	python_foreach_impl run_in_build_dir configuring
+}
+
+src_compile() {
+	python_foreach_impl run_in_build_dir gnome2_src_compile
+}
+
+src_test() {
+	local -x GIO_USE_VFS="local" # prevents odd issues with deleting ${T}/.gvfs
+	local -x GIO_USE_VOLUME_MONITOR="unix" # prevent udisks-related failures in chroots, bug #449484
+	local -x SKIP_PEP8="yes"
+
+	testing() {
+		local -x XDG_CACHE_HOME="${T}/${EPYTHON}"
+		emake -C "${BUILD_DIR}" check || die "emake check failed"
+	}
+	virtx python_foreach_impl testing
+}
+
+src_install() {
+	python_foreach_impl run_in_build_dir gnome2_src_install
+
+	use examples && dodoc -r examples
+}