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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
# Contributor: Sheila Aman <sheila@vulpine.house>

pkgname=python3
# the python3-tkinter's pkgver needs to be synchronized with this.
pkgver=3.10.5
_bluez_ver=5.64
_basever="${pkgver%.*}"
pkgrel=2
pkgdesc="A high-level scripting language"
url="https://www.python.org/"
arch="all"
license="PSF-2.0"
subpackages="
	$pkgname-dbg
	$pkgname-dev
	$pkgname-doc
	$pkgname-tests::noarch
	"
makedepends="
	!gettext-dev
	autoconf
	autoconf-archive
	automake
	bzip2-dev
	expat-dev
	gdbm-dev>=1.18.1-r0
	libffi-dev
	libtool
	linux-headers
	mpdecimal-dev
	ncurses-dev
	openssl-dev>3
	readline-dev
	sqlite-dev
	tcl-dev
	xz-dev
	zlib-dev
	"
source="https://www.python.org/ftp/python/$pkgver/Python-$pkgver.tar.xz
	https://www.kernel.org/pub/linux/bluetooth/bluez-$_bluez_ver.tar.xz
	fix-xattrs-glibc.patch
	musl-find_library.patch
	custom-bluetooth-h-path.patch
	arm-alignment.patch
	"
options="net" # Required for tests
builddir="$srcdir/Python-$pkgver"

# secfixes:
#   3.10.5-r0:
#     - CVE-2015-20107
#   3.9.5-r0:
#     - CVE-2021-29921
#   3.9.4-r0:
#     - CVE-2021-3426
#   3.8.8-r0:
#     - CVE-2021-23336
#   3.8.7-r2:
#     - CVE-2021-3177
#   3.8.5-r0:
#     - CVE-2019-20907
#   3.8.4-r0:
#     - CVE-2020-14422
#   3.8.2-r0:
#     - CVE-2020-8315
#     - CVE-2020-8492
#   3.7.5-r0:
#     - CVE-2019-16056
#     - CVE-2019-16935
#   3.6.8-r1:
#     - CVE-2019-5010

# was briefly present, and is in 3.16
provides="pythonispython3=$pkgver-r$pkgrel"

prepare() {
	default_prepare

	# force system libs
	rm -r Modules/expat \
		Modules/_ctypes/darwin* \
		Modules/_ctypes/libffi*

	mv "$srcdir"/bluez-$_bluez_ver/lib "$srcdir"/bluez-$_bluez_ver/bluetooth

	# Speed up LTO
	sed -i -e "s|-flto |-flto=4 |g" configure configure.ac

	autoreconf -fi

	sed "s|@bluetoothdir@|\"$srcdir/bluez-$_bluez_ver\"|g" -i setup.py
}

build() {
	# -Os overwrites --enable-optimizations
	export CFLAGS="${CFLAGS/-Os/}"

	# Include bluez headers. Python only needs bluetooth/bluetoot.h and doesn't
	# link against bluez. Depending on bluez-dev introduces a circular dep:
	# Python -> bluez -> glib -> meson -> python
	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=/usr \
		--enable-ipv6 \
		--enable-loadable-sqlite-extensions \
		--enable-optimizations \
		--enable-shared \
		--with-lto \
		--with-computed-gotos \
		--with-dbmliborder=gdbm:ndbm \
		--with-system-expat \
		--with-system-ffi \
		--with-system-libmpdec \
		--without-ensurepip \
		--with-bluetoothdir="$srcdir/bluez-$_bluez_ver"

	# set thread stack size to 1MB so we don't segfault before we hit
	# sys.getrecursionlimit()
	# s390x needs more stack space due to its calling convention
	# ppc64le reaches recursionlimit before segfault
	local stacksize=0x100000
	case "$CARCH" in
		s390x) stacksize=0x200000;;
		ppc64le) stacksize=0x200000;;
	esac
	make EXTRA_CFLAGS="$CFLAGS -DTHREAD_STACK_SIZE=$stacksize"
}

check() {
	# test that we reach recursionlimit before we segfault
	cat > test-stacksize.py <<-EOF
	import threading
	import sys

	def fun(i):
	  try:
	    fun(i+1)
	  except:
	    sys.exit(0)

	t = threading.Thread(target=fun, args=[1])
	t.start()
EOF
	LD_LIBRARY_PATH=$PWD ./python test-stacksize.py

	local fail

	# musl related
	fail="test__locale test_locale test_strptime test_re"	# various musl locale deficiencies
	fail="$fail test_c_locale_coercion"
	fail="$fail test_datetime"				# hangs if 'tzdata' installed
	fail="$fail test_os"					# fpathconf, ttyname errno values
	fail="$fail test_posix"					# sched_[gs]etscheduler not impl
	fail="$fail test_shutil"				# lchmod, requires real unzip

	# FIXME: failures needing investigation
	fail="$fail test_faulthandler test_gdb"			# hangs(?)
	fail="$fail test_tokenize test_tools"			# SLOW (~60s)
	fail="$fail test_capi"					# test.test_capi.EmbeddingTests
	fail="$fail test_threadsignals"				# test_{,r}lock_acquire_interruption
	fail="$fail test_time"					# strftime/strptime %Z related
	fail="$fail test_cmath test_math"			# hang(?) on x86
	fail="$fail test_hash test_plistlib"			# fail on armhf
	fail="$fail test_ctypes"				# fail on aarch64 (ctypes.test.test_win32.Structures)
	fail="$fail test_cmd_line_script"			# fails on x86_64
	fail="$fail test_multiprocessing_main_handling"		# fails on x86_64
	fail="$fail test_runpy"					# fails on x86_64
	fail="$fail test_threading"				# hangs on all arches (except x86_64?)
	fail="$fail test_selectors"				# AssertionError: 'Python' not found in '' (python3.9)
	fail="$fail test_nntplib"
	fail="$fail test_asyncio"				# hangs; routinely problematic (e.g. bpo-39101, bpo-41891, bpo-42183)

	# kernel related
	fail="$fail test_fcntl"					# wants DNOTIFY, we don't have it

	case "$CARCH" in
	ppc64le)
		fail="$fail test_buffer"
		;;
	esac

	make quicktest TESTOPTS="-j${JOBS:-$(nproc)} --exclude $fail"
}

package() {
	make -j1 DESTDIR="$pkgdir" EXTRA_CFLAGS="$CFLAGS" install maninstall
	install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
	# those are provided by python3-tkinter
	rm -r "$pkgdir"/usr/bin/idle* "$pkgdir"/usr/lib/python*/idlelib \
		"$pkgdir"/usr/lib/python*/tkinter

	ln -s /usr/bin/python3 "$pkgdir"/usr/bin/python
}

dev() {
	default_dev

	# pyconfig.h is needed runtime so we move it back
	mkdir -p "$pkgdir"/usr/include/python$_basever
	mv "$subpkgdir"/usr/include/python$_basever/pyconfig.h \
		"$pkgdir"/usr/include/python$_basever/
}

tests() {
	pkgdesc="The test modules from the main python package"

	cd "$pkgdir"/usr/lib/python$_basever
	local i; for i in */test */tests; do
		mkdir -p "$subpkgdir"/usr/lib/python$_basever/"$i"
		mv "$i"/* "$subpkgdir"/usr/lib/python$_basever/"$i"
		rm -rf "$i"
	done
	mv "$pkgdir"/usr/lib/python$_basever/test \
		"$subpkgdir"/usr/lib/python$_basever/
}

sha512sums="
aa7f58a9b31de9824185b3e7bfa7da0dcf64ae9e89840664eae9d98d9048a650fa012cd5b873a62ff44b65b856db86f095c4003117406ec5e9583ec5f7e78e90  Python-3.10.5.tar.xz
f11f9974b29c5c6fce3890d7e42425c1cb02e42c1b8f49c5cc4b249234e67b64317d0e5e82721e2fbf1b53269c8569a9c869d59ce42b5e927f6622f0753e53cd  bluez-5.64.tar.xz
fe123dd871f7a3fa868c499a957b94f1d815a1e1de964aaff1116c579defd4d9d1e9b7eb418cf114b169b97426ed603bf4b1e61b45ec483df06abe988c6a30ee  fix-xattrs-glibc.patch
ab8eaa2858d5109049b1f9f553198d40e0ef8d78211ad6455f7b491af525bffb16738fed60fc84e960c4889568d25753b9e4a1494834fea48291b33f07000ec2  musl-find_library.patch
14b00953cdb5fe757b38dbf759d7203c3504b46e330494ec195db92290640ec640fb29cc4456208a25dadc028ebaf211b0df71f458a3b76023fdafb4f91ff46a  custom-bluetooth-h-path.patch
a84483246e413650a904c34c18f5e4f4168c39067d069f48557c330de6eb3db19fd96a4d453d742db3dcb7c7f962722903f62823c752ff90510c89830435ffc0  arm-alignment.patch
"