termux-packages/packages/python2/build.sh

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TERMUX_PKG_HOMEPAGE=http://python.org/
TERMUX_PKG_DESCRIPTION="Python 2 programming language intended to enable clear programs"
# lib/python3.4/lib-dynload/_ctypes.cpython-34m.so links to ffi.
# openssl for ensurepip.
# libbz2 for the bz2 module.
# ncurses-ui-libs for the curses.panel module.
TERMUX_PKG_DEPENDS="libandroid-support, ncurses, readline, libffi, openssl, libutil, libbz2, libsqlite, gdbm, ncurses-ui-libs, libcrypt"
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TERMUX_PKG_HOSTBUILD=true
_MAJOR_VERSION=2.7
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TERMUX_PKG_VERSION=${_MAJOR_VERSION}.12
TERMUX_PKG_BUILD_REVISION=2
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TERMUX_PKG_SRCURL=http://www.python.org/ftp/python/${TERMUX_PKG_VERSION}/Python-${TERMUX_PKG_VERSION}.tar.xz
# The flag --with(out)-pymalloc (disable/enable specialized mallocs) is enabled by default and causes m suffix versions of python.
# Set ac_cv_func_wcsftime=no to avoid errors such as "character U+ca0025 is not in range [U+0000; U+10ffff]"
# when executing e.g. "from time import time, strftime, localtime; print(strftime(str('%Y-%m-%d %H:%M'), localtime()))"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_file__dev_ptmx=yes ac_cv_file__dev_ptc=no ac_cv_func_wcsftime=no"
# Avoid trying to include <sys/timeb.h> which does not exist on android-21:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_ftime=no"
# Avoid trying to use AT_EACCESS which is not defined:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_faccessat=no"
# The gethostbyname_r function does not exist on device libc:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_gethostbyname_r=no"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --build=$TERMUX_HOST_TUPLE --disable-ipv6 --with-system-ffi --without-ensurepip"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --enable-unicode=ucs4"
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# Let 2to3 be in the python3 package:
TERMUX_PKG_RM_AFTER_INSTALL="bin/2to3"
termux_step_host_build () {
# We need a host-built Parser/pgen binary, copied into cross-compile build in termux_step_post_configure() below
$TERMUX_PKG_SRCDIR/configure
make Parser/pgen
# We need a python$_MAJOR_VERSION binary to be picked up by configure check:
make
rm -f python$_MAJOR_VERSION # Remove symlink if already exists to get a newer timestamp
ln -s python python$_MAJOR_VERSION
}
termux_step_post_configure () {
cp $TERMUX_PKG_HOSTBUILD_DIR/Parser/pgen $TERMUX_PKG_BUILDDIR/Parser/pgen
$TERMUX_TOUCH -d "next hour" $TERMUX_PKG_BUILDDIR/Parser/pgen
}
termux_step_pre_configure() {
# Put the host-built python in path:
export TERMUX_ORIG_PATH=$PATH
export PATH=$TERMUX_PKG_HOSTBUILD_DIR:$PATH
}
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termux_step_post_make_install () {
# Avoid file clashes with the python (3) package:
mv $TERMUX_PREFIX/share/man/man1/{python.1,python2.1}
rm $TERMUX_PREFIX/bin/python
# Restore path which termux_step_host_build messed with
export PATH=$TERMUX_ORIG_PATH
# Used by pip to compile C code, remove the spec file flag
# since it's built in for the on-device gcc:
perl -p -i -e "s|${_SPECSFLAG}||g" $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/{config/Makefile,_sysconfigdata.py}
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}
termux_step_create_debscripts () {
## POST INSTALL:
echo "echo 'Setting up pip2...'" > postinst
# Fix historical mistake which removed bin/pip2 but left site-packages/pip-*.dist-info,
# which causes ensurepip to avoid installing pip due to already existing pip install:
echo "if [ ! -f $TERMUX_PREFIX/bin/pip2 -a -d $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ]; then rm -Rf $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ; fi" >> postinst
# Setup bin/pip2:
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echo "$TERMUX_PREFIX/bin/python2 -m ensurepip --upgrade --no-default-pip" >> postinst
## PRE RM:
# Avoid running on update:
echo 'if [ $1 != "remove" ]; then exit 0; fi' > prerm
# Uninstall everything installed through pip:
echo "pip2 freeze 2> /dev/null | xargs pip2 uninstall -y > /dev/null 2> /dev/null" >> prerm
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# Cleanup __pycache__ folders
echo "find $TERMUX_PREFIX/lib/python${_MAJOR_VERSION} -depth -name __pycache__ -exec rm -rf {} \;" >> prerm
# Remove contents of site-packages/ folder:
echo "rm -Rf $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/*" >> prerm
# Remove bin/pip2* installed by ensurepip in postinst:
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echo "rm -f $TERMUX_PREFIX/bin/pip2*" >> prerm
echo "exit 0" >> postinst
echo "exit 0" >> prerm
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chmod 0755 postinst prerm
}