dev-python/pyyaml: security bump to 5.4

Bug: https://bugs.gentoo.org/766228
Package-Manager: Portage-3.0.13, Repoman-3.0.2
Signed-off-by: Sam James <sam@gentoo.org>

dev-python/pyyaml/Manifest

@@ -1 +1,2 @@
 DIST pyyaml-5.3.1.gh.tar.gz 168044 BLAKE2B 2acc62ecc7448925eb340c2555001c8a74bd883d720b992d6deaea890b4eac435e4ae02eb129db3a6778c0be21a231fa9d96ee8ae59a4a39bc49961e5fb0d6ab SHA512 27d97e8493c7660c7c0c471e20a8aa46c85431e4559a98bcbdafc2bd89a67fd04c6f2090e54ff6b206c868b33635ef8be68070a4c25d17a25c97fd5ad3549556
+DIST pyyaml-5.4.gh.tar.gz 173140 BLAKE2B 2ff298cce44442b8431197b9222c2fba18d4f0aaf600fe636174864096f49f1392c3e965155b36c94ad0cf659402ffbd660cea5719b509bf90e9f316c1893248 SHA512 a76f9cf1838380b2e509bf1d5251f175cca1b413aadc511517de5fb3b4743747918f94abc1cf1976171731a1ba67596def3cb0652d08e1e3af3235cf7c0a610f

dev-python/pyyaml/pyyaml-5.4.ebuild

@@ -0,0 +1,49 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DISTUTILS_USE_SETUPTOOLS=no
+PYTHON_COMPAT=( python3_{7..9} pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="YAML parser and emitter for Python"
+HOMEPAGE="https://pyyaml.org/wiki/PyYAML
+	https://pypi.org/project/PyYAML/
+	https://github.com/yaml/pyyaml"
+SRC_URI="https://github.com/yaml/pyyaml/archive/${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris ~x86-solaris"
+IUSE="examples +libyaml"
+
+BDEPEND="
+	libyaml? (
+		$(python_gen_cond_dep '
+			dev-python/cython[${PYTHON_USEDEP}]
+		' 'python*')
+	)
+"
+RDEPEND="libyaml? ( dev-libs/libyaml:= )"
+DEPEND="${RDEPEND}"
+
+PATCHES=(
+	# bug #659348
+	"${FILESDIR}/pyyaml-5.1-cve-2017-18342.patch"
+)
+
+distutils_enable_tests setup.py
+
+python_configure_all() {
+	mydistutilsargs=( $(use_with libyaml) )
+}
+
+python_install_all() {
+	distutils-r1_python_install_all
+	if use examples; then
+		dodoc -r examples
+		docompress -x /usr/share/doc/${PF}
+	fi
+}