dev-python/jsonschema: Enable py3.10, clean up

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

dev-python/jsonschema/jsonschema-3.2.0.ebuild

@@ -3,7 +3,8 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python3_{7..9} )
+PYTHON_COMPAT=( python3_{8..10} )
+DISTUTILS_USE_SETUPTOOLS=rdepend
 
 inherit distutils-r1
 
@@ -14,18 +15,14 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~mips ppc ppc64 ~s390 sparc x86 ~amd64-linux ~x86-linux"
-IUSE="test"
 
 BDEPEND="
 	dev-python/attrs[${PYTHON_USEDEP}]
 	dev-python/pyrsistent[${PYTHON_USEDEP}]
-	dev-python/setuptools[${PYTHON_USEDEP}]
 	dev-python/six[${PYTHON_USEDEP}]
 	$(python_gen_cond_dep '
 		dev-python/importlib_metadata[${PYTHON_USEDEP}]
-		' python{2_7,3_{5,6,7}} pypy{,3})
-	$(python_gen_cond_dep \
-		'dev-python/functools32[${PYTHON_USEDEP}]' -2)
+		' pypy3)
 	test? ( dev-python/twisted[${PYTHON_USEDEP}] )
 "
 
@@ -39,19 +36,12 @@ RDEPEND="${BDEPEND}
 	dev-python/rfc3339-validator[${PYTHON_USEDEP}]
 "
 
-RESTRICT="!test? ( test )"
+BDEPEND+="
+	dev-python/setuptools_scm[${PYTHON_USEDEP}]
+"
 
 PATCHES=(
 	"${FILESDIR}"/${P}-add-webcolors-1.11-compat.patch
 )
 
 distutils_enable_tests unittest
-
-python_prepare_all() {
-	# avoid a setuptools_scm dependency
-	sed -i "s:use_scm_version=True:version='${PV}',name='${PN//-/.}':" setup.py || die
-	sed -r -i "s:setuptools_scm[[:space:]]*([><=]{1,2}[[:space:]]*[0-9.a-zA-Z]+|)[[:space:]]*::" \
-		setup.cfg || die
-
-	distutils-r1_python_prepare_all
-}