#!/bin/bash
cd `dirname $0`

target=Darwin
brew=$HOME/.local
python_base=$HOME/python
base=$brew/Cellar/python3/3.5.0/Frameworks/Python.framework/Versions/3.5

if [ ! -e $python_base ]; then
    echo prepare your installation before creating the distributable version
    echo read prepare.sh and run it
    exit 1
fi

rm -rf $target
mkdir -p $target/bin $target/lib $target/include

for bin in \
    python3 \
    python3.5 \
; do
    cp -a $python_base/bin/$bin $target/bin/$python_bin
done

for bin in \
    pip3 \
; do
    sed "s/#\!.*python.*/#\!\/usr\/bin\/env python3/g" $brew/bin/$bin > $target/bin/$bin
done

cp -a $base/lib/python3.5 $target/lib/python3.5
rm $target/lib/python3.5/site-packages
rsync -a $brew/lib/python3.5/site-packages/ $target/lib/python3.5/site-packages/
cp -a $base/include/python3.5m $target/include/python3.5m
rm -r $target/lib/python3.5/test
find $target/ -name __pycache__ -type d | xargs rm -r

for lib in \
    opt/libxml2/lib/libxml2.2.dylib \
    opt/libxslt/lib/libexslt.0.dylib \
    opt/libxslt/lib/libxslt.1.dylib \
    opt/openssl/lib/libcrypto.1.0.0.dylib \
    opt/openssl/lib/libssl.1.0.0.dylib \
    opt/readline/lib/libreadline.6.dylib \
    opt/sqlite/lib/libsqlite3.0.dylib \
    opt/xz/lib/liblzma.5.dylib \
; do
    cp -a $brew/$lib $target/lib/$(basename $lib)
done

for plib in \
    $target/lib/python3.5/site-packages/lxml/etree.cpython-35m-darwin.so \
    $target/lib/python3.5/site-packages/lxml/objectify.cpython-35m-darwin.so \
    $target/lib/python3.5/lib-dynload/_hashlib.cpython-35m-darwin.so \
    $target/lib/python3.5/lib-dynload/_lzma.cpython-35m-darwin.so \
    $target/lib/python3.5/lib-dynload/_sqlite3.cpython-35m-darwin.so \
    $target/lib/python3.5/lib-dynload/_ssl.cpython-35m-darwin.so \
    $target/lib/python3.5/lib-dynload/readline.cpython-35m-darwin.so \
; do
    for lib in \
        opt/libxml2/lib/libxml2.2.dylib \
        opt/libxslt/lib/libexslt.0.dylib \
        opt/libxslt/lib/libxslt.1.dylib \
        opt/openssl/lib/libcrypto.1.0.0.dylib \
        opt/openssl/lib/libssl.1.0.0.dylib \
        opt/readline/lib/libreadline.6.dylib \
        opt/sqlite/lib/libsqlite3.0.dylib \
        opt/xz/lib/liblzma.5.dylib \
    ; do
        name=$(basename $lib)
        fullpath=$brew/$lib
        install_name_tool -change "$fullpath" "@rpath/$name" $plib
    done
    otool -L $plib
done