install

#!/bin/bash

confirm_libxml2_xsl()
{
    local -a lxml
    local -a lxsl
    lxml=( $( ldconfig -p | grep libxml2 - ) )
    lxsl=( $( ldconfig -p | grep libxslt - ) )

    [ "${#lxml[@]}" -gt 0 ] && [ "${#lxsl[@]}" -gt 0 ]
}

confirm_python_library()
{
    local re="\b$1\b"
    local cmd="help(\"modules\")"
    local -a libs
    libs=( $( python -c "${cmd}" 2>/dev/null | grep -o $re - ) )

    [ "${#libs[@]}" -eq 1 ]
}

confirm_python_bindings()
{
    if confirm_python_library "libxml2"; then
       if confirm_python_library "libxslt"; then
           return 0
       else
           echo "Missing python library libxslt"
       fi
    else
        echo "Missing python library libxml2"
    fi

    return 1
}


if confirm_libxml2_xsl; then
    if confirm_python_bindings; then
        cp -sf "${PWD}/pxml2ods" "/usr/local/bin/pxml2ods"
    else
        echo "Cannot install until python bindings are installed:"
        echo "sudo apt-get install python-libxml2 python-libxslt1"
    fi
else
    echo "Cannot install until libxml libraries are installed:"
    echo "sudo apt-get install libxml2 libxslt"
fi