Apply patch to fix regex crash, bug 476426 by Fabio Rossi.

(Portage version: 2.2.0_alpha188/cvs/Linux x86_64, signed Manifest commit with key 0BBEEA1FEA4843A4)

3 files changed, 423 insertions, 1 deletions

diff --git a/dev-lang/python/ChangeLog b/dev-lang/python/ChangeLog
index 60cea4360441..0b4870e3c22e 100644
--- a/dev-lang/python/ChangeLog
+++ b/dev-lang/python/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for dev-lang/python
 # Copyright 1999-2013 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/ChangeLog,v 1.681 2013/07/07 15:20:34 ago Exp $
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/ChangeLog,v 1.682 2013/07/12 01:56:41 floppym Exp $
+
+*python-2.7.5-r1 (12 Jul 2013)
+
+  12 Jul 2013; Mike Gilbert <floppym@gentoo.org>
+  +files/python-2.7.5-re_unsigned_ptrdiff.patch, +python-2.7.5-r1.ebuild:
+  Apply patch to fix regex crash, bug 476426 by Fabio Rossi.
 
   07 Jul 2013; Agostino Sarubbo <ago@gentoo.org> python-3.2.5-r1.ebuild:
   Stable for ia64, wrt bug #469988
diff --git a/dev-lang/python/files/python-2.7.5-re_unsigned_ptrdiff.patch b/dev-lang/python/files/python-2.7.5-re_unsigned_ptrdiff.patch
new file mode 100644
index 000000000000..a905839a2544
--- /dev/null
+++ b/dev-lang/python/files/python-2.7.5-re_unsigned_ptrdiff.patch
@@ -0,0 +1,23 @@
+https://bugs.gentoo.org/show_bug.cgi?id=476426
+http://bugs.python.org/issue17998
+diff -r d91da96a55bf Modules/_sre.c
+--- a/Modules/_sre.c	Thu May 16 22:47:47 2013 +0100
++++ b/Modules/_sre.c	Fri May 17 21:02:48 2013 +0300
+@@ -1028,7 +1028,7 @@
+             TRACE(("|%p|%p|REPEAT_ONE %d %d\n", ctx->pattern, ctx->ptr,
+                    ctx->pattern[1], ctx->pattern[2]));
+ 
+-            if (ctx->pattern[1] > end - ctx->ptr)
++            if ((Py_ssize_t) ctx->pattern[1] > end - ctx->ptr)
+                 RETURN_FAILURE; /* cannot match */
+ 
+             state->ptr = ctx->ptr;
+@@ -1111,7 +1111,7 @@
+             TRACE(("|%p|%p|MIN_REPEAT_ONE %d %d\n", ctx->pattern, ctx->ptr,
+                    ctx->pattern[1], ctx->pattern[2]));
+ 
+-            if (ctx->pattern[1] > end - ctx->ptr)
++            if ((Py_ssize_t) ctx->pattern[1] > end - ctx->ptr)
+                 RETURN_FAILURE; /* cannot match */
+ 
+             state->ptr = ctx->ptr;
diff --git a/dev-lang/python/python-2.7.5-r1.ebuild b/dev-lang/python/python-2.7.5-r1.ebuild
new file mode 100644
index 000000000000..20db791d6ebb
--- /dev/null
+++ b/dev-lang/python/python-2.7.5-r1.ebuild
@@ -0,0 +1,393 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/python/python-2.7.5-r1.ebuild,v 1.1 2013/07/12 01:56:41 floppym Exp $
+
+EAPI="4"
+WANT_AUTOMAKE="none"
+WANT_LIBTOOL="none"
+
+inherit autotools eutils flag-o-matic multilib pax-utils python-utils-r1 toolchain-funcs multiprocessing
+
+MY_P="Python-${PV}"
+PATCHSET_REVISION="0"
+
+DESCRIPTION="An interpreted, interactive, object-oriented programming language"
+HOMEPAGE="http://www.python.org/"
+SRC_URI="http://www.python.org/ftp/python/${PV}/${MY_P}.tar.xz
+	mirror://gentoo/python-gentoo-patches-${PV}-${PATCHSET_REVISION}.tar.xz"
+
+LICENSE="PSF-2"
+SLOT="2.7"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd"
+IUSE="-berkdb build doc elibc_uclibc examples gdbm hardened ipv6 +ncurses +readline sqlite +ssl +threads tk +wide-unicode wininst +xml"
+
+# Do not add a dependency on dev-lang/python to this ebuild.
+# If you need to apply a patch which requires python for bootstrapping, please
+# run the bootstrap code on your dev box and include the results in the
+# patchset. See bug 447752.
+
+RDEPEND="app-arch/bzip2
+	>=sys-libs/zlib-1.1.3
+	virtual/libffi
+	virtual/libintl
+	!build? (
+		berkdb? ( || (
+			sys-libs/db:5.3
+			sys-libs/db:5.2
+			sys-libs/db:5.1
+			sys-libs/db:5.0
+			sys-libs/db:4.8
+			sys-libs/db:4.7
+			sys-libs/db:4.6
+			sys-libs/db:4.5
+			sys-libs/db:4.4
+			sys-libs/db:4.3
+			sys-libs/db:4.2
+		) )
+		gdbm? ( sys-libs/gdbm[berkdb] )
+		ncurses? (
+			>=sys-libs/ncurses-5.2
+			readline? ( >=sys-libs/readline-4.1 )
+		)
+		sqlite? ( >=dev-db/sqlite-3.3.8:3[extensions] )
+		ssl? ( dev-libs/openssl )
+		tk? (
+			>=dev-lang/tk-8.0
+			dev-tcltk/blt
+		)
+		xml? ( >=dev-libs/expat-2.1 )
+	)
+	!!<sys-apps/portage-2.1.9"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig
+	>=sys-devel/autoconf-2.65
+	!sys-devel/gcc[libffi]"
+RDEPEND+=" !build? ( app-misc/mime-types )
+	doc? ( dev-python/python-docs:${SLOT} )"
+PDEPEND="app-admin/eselect-python
+	app-admin/python-updater"
+
+S="${WORKDIR}/${MY_P}"
+
+pkg_setup() {
+	if use berkdb; then
+		ewarn "'bsddb' module is out-of-date and no longer maintained inside"
+		ewarn "dev-lang/python. 'bsddb' and 'dbhash' modules have been additionally"
+		ewarn "removed in Python 3. A maintained alternative of 'bsddb3' module"
+		ewarn "is provided by dev-python/bsddb3."
+	else
+		if has_version "=${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"; then
+			ewarn "You are migrating from =${CATEGORY}/${PN}-${PV%%.*}*[berkdb]"
+			ewarn "to =${CATEGORY}/${PN}-${PV%%.*}*[-berkdb]."
+			ewarn "You might need to migrate your databases."
+		fi
+	fi
+}
+
+src_prepare() {
+	# Ensure that internal copies of expat, libffi and zlib are not used.
+	rm -r Modules/expat || die
+	rm -r Modules/_ctypes/libffi* || die
+	rm -r Modules/zlib || die
+
+	local excluded_patches
+	if ! tc-is-cross-compiler; then
+		excluded_patches="*_all_crosscompile.patch"
+	fi
+
+	EPATCH_EXCLUDE="${excluded_patches}" EPATCH_SUFFIX="patch" \
+		epatch "${WORKDIR}/${PV}-${PATCHSET_REVISION}"
+
+	epatch "${FILESDIR}/${P}-library-path.patch" #474882
+	epatch "${FILESDIR}/${P}-re_unsigned_ptrdiff.patch" #476426
+
+	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
+		Lib/distutils/command/install.py \
+		Lib/distutils/sysconfig.py \
+		Lib/site.py \
+		Lib/sysconfig.py \
+		Lib/test/test_site.py \
+		Makefile.pre.in \
+		Modules/Setup.dist \
+		Modules/getpath.c \
+		setup.py || die "sed failed to replace @@GENTOO_LIBDIR@@"
+
+	epatch_user
+
+	eautoconf
+	eautoheader
+}
+
+src_configure() {
+	if use build; then
+		# Disable extraneous modules with extra dependencies.
+		export PYTHON_DISABLE_MODULES="dbm _bsddb gdbm _curses _curses_panel readline _sqlite3 _tkinter _elementtree pyexpat"
+		export PYTHON_DISABLE_SSL="1"
+	else
+		# dbm module can be linked against berkdb or gdbm.
+		# Defaults to gdbm when both are enabled, #204343.
+		local disable
+		use berkdb   || use gdbm || disable+=" dbm"
+		use berkdb   || disable+=" _bsddb"
+		use gdbm     || disable+=" gdbm"
+		use ncurses  || disable+=" _curses _curses_panel"
+		use readline || disable+=" readline"
+		use sqlite   || disable+=" _sqlite3"
+		use ssl      || export PYTHON_DISABLE_SSL="1"
+		use tk       || disable+=" _tkinter"
+		use xml      || disable+=" _elementtree pyexpat" # _elementtree uses pyexpat.
+		export PYTHON_DISABLE_MODULES="${disable}"
+
+		if ! use xml; then
+			ewarn "You have configured Python without XML support."
+			ewarn "This is NOT a recommended configuration as you"
+			ewarn "may face problems parsing any XML documents."
+		fi
+	fi
+
+	if [[ -n "${PYTHON_DISABLE_MODULES}" ]]; then
+		einfo "Disabled modules: ${PYTHON_DISABLE_MODULES}"
+	fi
+
+	if [[ "$(gcc-major-version)" -ge 4 ]]; then
+		append-flags -fwrapv
+	fi
+
+	filter-flags -malign-double
+
+	[[ "${ARCH}" == "alpha" ]] && append-flags -fPIC
+
+	# https://bugs.gentoo.org/show_bug.cgi?id=50309
+	if is-flagq -O3; then
+		is-flagq -fstack-protector-all && replace-flags -O3 -O2
+		use hardened && replace-flags -O3 -O2
+	fi
+
+	# Run the configure scripts in parallel.
+	multijob_init
+
+	mkdir -p "${WORKDIR}"/{${CBUILD},${CHOST}}
+
+	if tc-is-cross-compiler; then
+		(
+		multijob_child_init
+		cd "${WORKDIR}"/${CBUILD} >/dev/null
+		OPT="-O1" CFLAGS="" CPPFLAGS="" LDFLAGS="" CC="" \
+		"${S}"/configure \
+			--{build,host}=${CBUILD} \
+			|| die "cross-configure failed"
+		) &
+		multijob_post_fork
+
+		# The configure script assumes it's buggy when cross-compiling.
+		export ac_cv_buggy_getaddrinfo=no
+		export ac_cv_have_long_long_format=yes
+	fi
+
+	# Export CXX so it ends up in /usr/lib/python2.X/config/Makefile.
+	tc-export CXX
+	# The configure script fails to use pkg-config correctly.
+	# http://bugs.python.org/issue15506
+	export ac_cv_path_PKG_CONFIG=$(tc-getPKG_CONFIG)
+
+	# Set LDFLAGS so we link modules with -lpython2.7 correctly.
+	# Needed on FreeBSD unless Python 2.7 is already installed.
+	# Please query BSD team before removing this!
+	append-ldflags "-L."
+
+	local dbmliborder
+	if use gdbm; then
+		dbmliborder+="${dbmliborder:+:}gdbm"
+	fi
+	if use berkdb; then
+		dbmliborder+="${dbmliborder:+:}bdb"
+	fi
+
+	cd "${WORKDIR}"/${CHOST}
+	ECONF_SOURCE="${S}" OPT="" \
+	econf \
+		--with-fpectl \
+		--enable-shared \
+		$(use_enable ipv6) \
+		$(use_with threads) \
+		$(use wide-unicode && echo "--enable-unicode=ucs4" || echo "--enable-unicode=ucs2") \
+		--infodir='${prefix}/share/info' \
+		--mandir='${prefix}/share/man' \
+		--with-dbmliborder="${dbmliborder}" \
+		--with-libc="" \
+		--enable-loadable-sqlite-extensions \
+		--with-system-expat \
+		--with-system-ffi
+
+	if tc-is-cross-compiler; then
+		# Modify the Makefile.pre so we don't regen for the host/ one.
+		# We need to link the host python programs into $PWD and run
+		# them from here because the distutils sysconfig module will
+		# parse Makefile/etc... from argv[0], and we need it to pick
+		# up the target settings, not the host ones.
+		sed -i \
+			-e '1iHOSTPYTHONPATH = ./hostpythonpath:' \
+			-e '/^HOSTPYTHON/s:=.*:= ./hostpython:' \
+			-e '/^HOSTPGEN/s:=.*:= ./Parser/hostpgen:' \
+			Makefile{.pre,} || die "sed failed"
+	fi
+
+	multijob_finish
+}
+
+src_compile() {
+	if tc-is-cross-compiler; then
+		cd "${WORKDIR}"/${CBUILD}
+		# Disable as many modules as possible -- but we need a few to install.
+		PYTHON_DISABLE_MODULES=$(
+			sed -n "/Extension('/{s:^.*Extension('::;s:'.*::;p}" "${S}"/setup.py | \
+				egrep -v '(unicodedata|time|cStringIO|_struct|binascii)'
+		) \
+		PTHON_DISABLE_SSL="1" \
+		SYSROOT= \
+		emake
+		# See comment in src_configure about these.
+		ln python ../${CHOST}/hostpython || die
+		ln Parser/pgen ../${CHOST}/Parser/hostpgen || die
+		ln -s ../${CBUILD}/build/lib.*/ ../${CHOST}/hostpythonpath || die
+	fi
+
+	cd "${WORKDIR}"/${CHOST}
+	default
+
+	# Work around bug 329499. See also bug 413751 and 457194.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E python
+	else
+		pax-mark m python
+	fi
+}
+
+src_test() {
+	# Tests will not work when cross compiling.
+	if tc-is-cross-compiler; then
+		elog "Disabling tests due to crosscompiling."
+		return
+	fi
+
+	cd "${WORKDIR}"/${CHOST}
+
+	# Skip failing tests.
+	local skipped_tests="distutils gdb"
+
+	for test in ${skipped_tests}; do
+		mv "${S}"/Lib/test/test_${test}.py "${T}"
+	done
+
+	# Rerun failed tests in verbose mode (regrtest -w).
+	emake test EXTRATESTOPTS="-w" < /dev/tty
+	local result="$?"
+
+	for test in ${skipped_tests}; do
+		mv "${T}/test_${test}.py" "${S}"/Lib/test
+	done
+
+	elog "The following tests have been skipped:"
+	for test in ${skipped_tests}; do
+		elog "test_${test}.py"
+	done
+
+	elog "If you would like to run them, you may:"
+	elog "cd '${EPREFIX}/usr/$(get_libdir)/python${SLOT}/test'"
+	elog "and run the tests separately."
+
+	if [[ "${result}" -ne 0 ]]; then
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	local libdir=${ED}/usr/$(get_libdir)/python${SLOT}
+
+	cd "${WORKDIR}"/${CHOST}
+	emake DESTDIR="${D}" altinstall
+
+	sed -e "s/\(LDFLAGS=\).*/\1/" -i "${libdir}/config/Makefile" || die "sed failed"
+
+	# Backwards compat with Gentoo divergence.
+	dosym python${SLOT}-config /usr/bin/python-config-${SLOT}
+
+	# Fix collisions between different slots of Python.
+	mv "${ED}usr/bin/2to3" "${ED}usr/bin/2to3-${SLOT}"
+	mv "${ED}usr/bin/pydoc" "${ED}usr/bin/pydoc${SLOT}"
+	mv "${ED}usr/bin/idle" "${ED}usr/bin/idle${SLOT}"
+	rm -f "${ED}usr/bin/smtpd.py"
+
+	if use build; then
+		rm -fr "${ED}usr/bin/idle${SLOT}" "${libdir}/"{bsddb,dbhash.py,idlelib,lib-tk,sqlite3,test}
+	else
+		use berkdb || rm -r "${libdir}/"{bsddb,dbhash.py,test/test_bsddb*} || die
+		use sqlite || rm -r "${libdir}/"{sqlite3,test/test_sqlite*} || die
+		use tk || rm -r "${ED}usr/bin/idle${SLOT}" "${libdir}/"{idlelib,lib-tk} || die
+		use elibc_uclibc && rm -fr "${libdir}/"{bsddb/test,test}
+	fi
+
+	use threads || rm -r "${libdir}/multiprocessing" || die
+	use wininst || rm -r "${libdir}/distutils/command/"wininst-*.exe || die
+
+	dodoc "${S}"/Misc/{ACKS,HISTORY,NEWS} || die "dodoc failed"
+
+	if use examples; then
+		insinto /usr/share/doc/${PF}/examples
+		doins -r "${S}"/Tools
+	fi
+	insinto /usr/share/gdb/auto-load/usr/$(get_libdir) #443510
+	local libname=$(printf 'e:\n\t@echo $(INSTSONAME)\ninclude Makefile\n' | \
+		emake --no-print-directory -s -f - 2>/dev/null)
+	newins "${S}"/Tools/gdb/libpython.py "${libname}"-gdb.py
+
+	newconfd "${FILESDIR}/pydoc.conf" pydoc-${SLOT}
+	newinitd "${FILESDIR}/pydoc.init" pydoc-${SLOT}
+	sed \
+		-e "s:@PYDOC_PORT_VARIABLE@:PYDOC${SLOT/./_}_PORT:" \
+		-e "s:@PYDOC@:pydoc${SLOT}:" \
+		-i "${ED}etc/conf.d/pydoc-${SLOT}" "${ED}etc/init.d/pydoc-${SLOT}" || die "sed failed"
+
+	# for python-exec
+	python_export python${SLOT} EPYTHON PYTHON PYTHON_SITEDIR
+
+	# if not using a cross-compiler, use the fresh binary
+	if ! tc-is-cross-compiler; then
+		local PYTHON=./python \
+			LD_LIBRARY_PATH=${LD_LIBRARY_PATH+${LD_LIBRARY_PATH}:}.
+		export LD_LIBRARY_PATH
+	fi
+
+	echo "EPYTHON='${EPYTHON}'" > epython.py
+	python_domodule epython.py
+}
+
+pkg_preinst() {
+	if has_version "<${CATEGORY}/${PN}-${SLOT}" && ! has_version "${CATEGORY}/${PN}:2.7"; then
+		python_updater_warning="1"
+	fi
+}
+
+eselect_python_update() {
+	if [[ -z "$(eselect python show)" || ! -f "${EROOT}usr/bin/$(eselect python show)" ]]; then
+		eselect python update
+	fi
+
+	if [[ -z "$(eselect python show --python${PV%%.*})" || ! -f "${EROOT}usr/bin/$(eselect python show --python${PV%%.*})" ]]; then
+		eselect python update --python${PV%%.*}
+	fi
+}
+
+pkg_postinst() {
+	eselect_python_update
+
+	if [[ "${python_updater_warning}" == "1" ]]; then
+		ewarn "You have just upgraded from an older version of Python."
+		ewarn "You should switch active version of Python ${PV%%.*} and run"
+		ewarn "'python-updater [options]' to rebuild Python modules."
+	fi
+}
+
+pkg_postrm() {
+	eselect_python_update
+}