# Maintainer: Felix Yan <felixonmars@archlinux.org>
# Contributor: Stéphane Gaudreault <stephane@archlinux.org>
# Contributor: Allan McRae <allan@archlinux.org>
# Contributor: Jason Chu <jason@archlinux.org>

pkgname=python2
pkgver=2.7.14
pkgrel=3
_pybasever=2.7
pkgdesc="A high-level scripting language"
arch=('x86_64')
license=('PSF')
url="http://www.python.org/"
depends=('bzip2' 'gdbm' 'openssl' 'zlib' 'expat' 'sqlite' 'libffi')
makedepends=('tk' 'bluez-libs')
checkdepends=('gdb' 'file' 'xorg-server-xvfb')
optdepends=('tk: for IDLE'
            'python2-setuptools'
            'python2-pip')
conflicts=('python<3')
source=("https://www.python.org/ftp/python/${pkgver%rc?}/Python-${pkgver}.tar.xz"{,.asc}
        descr_ref.patch fix-profile-task.patch Fix-CVE-2018-1000030.patch)
sha512sums=('78310b0be6388ffa15f29a80afb9ab3c03a572cb094e9da00cfe391afadb51696e41f592eb658d6a31a2f422fdac8a55214a382cbb8cfb43d4a127d5b35ea7f9'
            'SKIP'
            '2e16eb23eb402dbe921c09bce99b400c10939114b4a1ded0e94a744d8cb66427947bc8d07c4fb054f9fe0906d10d1da509fc2273fd136225c0f019cc43dd045d'
            '5d7b47bfa9f13cf5fb827546189d823033278f96866366fca5257aaf819c92ffb26e2116426c84ab78d9ae3178eebb591fa4b2f22cfc2725e3e3e795fdb5c2b6'
            'aeac425bf8a2ee1549b654ff8ae895b5ce444f0074ad8ca4f8dafc7d34a1c0fff205a7c84d13a5c6c49f459a6ceb98d1a83b6d0b68e2ee7ad05dbc2351a05462')
validpgpkeys=('C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF')  # Benjamin Peterson

prepare() {
  cd Python-${pkgver}

  # Temporary workaround for FS#22322
  # See http://bugs.python.org/issue10835 for upstream report
  sed -i "/progname =/s/python/python${_pybasever}/" Python/pythonrun.c

  # Enable built-in SQLite module to load extensions (fix FS#22122)
  sed -i "/SQLITE_OMIT_LOAD_EXTENSION/d" setup.py

  # FS#23997
  sed -i -e "s|^#.* /usr/local/bin/python|#!/usr/bin/python2|" Lib/cgi.py

  sed -i "s/python2.3/python2/g" Lib/distutils/tests/test_build_scripts.py \
    Lib/distutils/tests/test_install_scripts.py

  # Ensure that we are using the system copy of various libraries (expat, zlib and libffi),
  # rather than copies shipped in the tarball
  rm -r Modules/expat
  rm -r Modules/zlib
  rm -r Modules/_ctypes/{darwin,libffi}*

  # clean up #!s
  find . -name '*.py' | \
    xargs sed -i "s|#[ ]*![ ]*/usr/bin/env python$|#!/usr/bin/env python2|"

  # Workaround asdl_c.py/makeopcodetargets.py errors after we touched the shebangs
  touch Include/Python-ast.h Python/Python-ast.c Python/opcode_targets.h

  # FS#48761
  # http://bugs.python.org/issue25750
  patch -Np1 -i ../descr_ref.patch

  # Backport from Python 3.x
  patch -Np2 -i ../fix-profile-task.patch
  
  # FS#57813
  # https://bugs.python.org/issue31530
  patch -Np1 -i ../Fix-CVE-2018-1000030.patch
}

build() {
  cd "${srcdir}/Python-${pkgver}"

  export OPT="${CFLAGS}"
  ./configure --prefix=/usr \
              --enable-shared \
              --with-threads \
              --enable-optimizations \
              --with-lto \
              --enable-ipv6 \
              --enable-unicode=ucs4 \
              --with-system-expat \
              --with-system-ffi \
              --with-dbmliborder=gdbm:ndbm \
              --without-ensurepip

  make
}

check() {
  # Since 2.7.13,
  # test_replace_overflow (present in test_bytes, test_str, test_string, test_unicode, test_userstring) segfault on i686
  # test_bigrepeat (present in test_tuple) segfault on i686

  cd Python-${pkgver}
  LD_LIBRARY_PATH="${srcdir}/Python-${pkgver}":${LD_LIBRARY_PATH} \
    xvfb-run "${srcdir}/Python-${pkgver}/python" -m test.regrtest -v -uall -x test_bytes test_str test_string test_tuple test_unicode test_userstring
}

package() {
  cd Python-${pkgver}

  # Hack to avoid building again
  sed -i 's/^all:.*$/all: build_all/' Makefile

  make DESTDIR="${pkgdir}" altinstall maninstall

  rm "${pkgdir}"/usr/share/man/man1/python.1

  ln -sf python${_pybasever}        "${pkgdir}"/usr/bin/python2
  ln -sf python${_pybasever}-config "${pkgdir}"/usr/bin/python2-config
  ln -sf python${_pybasever}.1      "${pkgdir}"/usr/share/man/man1/python2.1

  # FS#33954
  ln -sf python-${_pybasever}.pc    "${pkgdir}"/usr/lib/pkgconfig/python2.pc

  ln -sf ../../libpython${_pybasever}.so "${pkgdir}"/usr/lib/python${_pybasever}/config/libpython${_pybasever}.so

  mv "${pkgdir}"/usr/bin/smtpd.py "${pkgdir}"/usr/lib/python${_pybasever}/

  # some useful "stuff"
  install -dm755 "${pkgdir}"/usr/lib/python${_pybasever}/Tools/{i18n,scripts}
  install -m755 Tools/i18n/{msgfmt,pygettext}.py "${pkgdir}"/usr/lib/python${_pybasever}/Tools/i18n/
  install -m755 Tools/scripts/{README,*py} "${pkgdir}"/usr/lib/python${_pybasever}/Tools/scripts/

  # fix conflicts with python
  mv "${pkgdir}"/usr/bin/idle{,2}
  mv "${pkgdir}"/usr/bin/pydoc{,2}
  mv "${pkgdir}"/usr/bin/2to3{,-2.7}

  # clean-up reference to build directory
  sed -i "s#${srcdir}/Python-${pkgver}:##" "${pkgdir}"/usr/lib/python${_pybasever}/config/Makefile

  # license
  install -Dm644 LICENSE "${pkgdir}"/usr/share/licenses/${pkgname}/LICENSE
}