build_python_modules.sh

#!/bin/bash

function is_version_less() {

    # Return 1 if version1 is less than version2.
    # Return 0 otherwise.
    [ "$1" == "$2" ] && return 0

    ver1front=`echo $1 | cut -d "." -f -1`
    ver1back=`echo $1 | cut -d "." -f 2-`

    ver2front=`echo $2 | cut -d "." -f -1`
    ver2back=`echo $2 | cut -d "." -f 2-`

    if [ "$ver1front" != "$1" ] || [ "$ver2front" != "$2" ]; then
        [ "$ver1front" -gt "$ver2front" ] && return 0
        [ "$ver1front" -lt "$ver2front" ] && return 1

        [ "$ver1front" == "$1" ] || [ -z "$ver1back" ] && ver1back=0
        [ "$ver2front" == "$2" ] || [ -z "$ver2back" ] && ver2back=0
        is_version_less "$ver1back" "$ver2back"
        return $?
    else
        [ "$1" -gt "$2" ] && return 0 || return 1
    fi
}

function compute_python_path () {
    installDir=$1
    dir1=$(ls -d $installDir/lib/python*/site-packages 2>/dev/null | head -n 1)
    dir2=$(ls -d $installDir/lib64/python*/site-packages 2>/dev/null | head -n 1)
    dir3=$(ls -d $installDir/swig/python 2>/dev/null | head -n 1)
    dir4=$(dirname $(find $installDir -name _gdal.so | grep -v archive | head -n 1) 2>/dev/null)
    echo "$dir1:$dir2:$dir3:$dir4:$installDir/lib" | perl -pi -e "s#^:*##g" | \
        perl -pi -e "s#:*\$##g" | perl -pi -e "s#:+#:#g"
}


if [ "$#" -lt 1 ]; then echo Usage: $0 '<installation directory>'; exit; fi
installDir=$1

# The directory must not exist, otherwise this scrit can fail if that
# directory has subdirectories for multiple versions of python.
if [ -e "$installDir" ]; then
    echo "Error: Directory exists: $installDir"
    exit 1
fi
mkdir -p $installDir

# Find the absolute path of installDir
if [ "$?" -ne 0 ]; then exit 1; fi
currDir=$(pwd)
cd $installDir
installDir=$(pwd)
cd $currDir

export LD_LIBRARY_PATH=$installDir/lib:$LD_LIBRARY_PATH # for some .so files

n_cpu=$(grep -c ^processor /proc/cpuinfo 2>/dev/null)
if [ "$n_cpu" = "" ]; then n_cpu=2; fi
echo Will use $n_cpu processes

buildDir=$(pwd)/build_python
mkdir -p $buildDir
if [ "$?" -ne 0 ]; then exit 1; fi

# Check if needed programs exist
for prog in gcc g++ cmake python; do
    ans=$(which $prog)
    if [ "$ans" = "" ]; then
    echo "ERROR: Cannot find $prog"
    exit 1
    fi
done

# Find gfortran
gfortran=$(which gfortran)
if [ "$gfortran" = "" ]; then
    dirs=$(echo $PATH | perl -pi -e "s#:# #g")
    for dir in $dirs; do
        val=$(ls $dir/gfortran* 2>/dev/null | head -n 1)
        if [ "$val" != "" ]; then
            gfortran=$val
            break
        fi
    done
fi
if [ "$gfortran" = "" ]; then
    echo "ERROR: Cannot find gfortran"
    exit 1
fi

# If gfortran is named gfortran-mp-4.8 or so, create a symlink to gfortran,
# otherwise the numpy build gets confused later
gfortran2=$(dirname $gfortran)/gfortran
if [ "$gfortran2" != "$gfortran" ]; then
    gfortran2=$buildDir/gfortran
    ln -s $gfortran $gfortran2
    gfortran=$gfortran2
    export PATH=$buildDir:$PATH
fi

# Check python version
py_ver0="2.6"
python --version; ans=$? # Will return non-zero for Python 2.4
if [ "$ans" -eq 0 ]; then
    py_ver=$(python --version 2>&1 | awk '{print $2}')
    is_version_less $py_ver $py_ver0; ans=$?
fi
if [ "$ans" -ne 0 ]; then
    echo "Error: Your Python version is $py_ver < $py_ver0"
    exit 1
fi

# install blas/lapack
cd $buildDir
file=lapack-3.4.2.tgz
if [ ! -f "$file" ]; then
    wget http://www.netlib.org/lapack/$file
fi
tar xzfv $file
cd lapack-3.4.2
rm -rf build
mkdir -p build
cd build
cmake .. -DCMAKE_INSTALL_PREFIX=$installDir -DCMAKE_Fortran_FLAGS:STRING="-fPIC" -DBUILD_SHARED_LIBS:BOOL=ON -DCMAKE_Fortran_COMPILER=$gfortran
if [ "$?" -ne 0 ]; then
    echo "ERROR: Perhaps your cmake is too old? Version known to work: 2.8.10.2"
    exit 1
fi
make -j $n_cpu
if [ "$?" -ne 0 ]; then exit 1; fi
make install
if [ "$?" -ne 0 ]; then exit 1; fi

# Install numpy
p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path
cd $buildDir
rm -rf numpy-1.7.0
file=numpy-1.7.0.tar.gz
if [ ! -f "$file" ]; then
    wget http://downloads.sourceforge.net/project/numpy/NumPy/1.7.0/$file
fi
tar xzfv $file
if [ "$?" -ne 0 ]; then exit 1; fi
cd numpy-1.7.0
python setup.py build --fcompiler=gnu95
if [ "$?" -ne 0 ]; then exit 1; fi
python setup.py install --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi

# Install scipy
p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path
cd $buildDir
export BLAS_SRC=$buildDir/lapack-3.4.2/BLAS/SRC
export BLAS=$installDir
export LAPACK_SRC=$buildDir/lapack-3.4.2
export LAPACK=$installDir
rm -rf scipy-0.12.0
file=scipy-0.12.0.tar.gz
if [ ! -f "$file" ]; then
    wget --no-check-certificate https://pypi.python.org/packages/source/s/scipy/$file
fi
if [ ! -f "$file" ]; then
    # Bugfix for OSX
    wget https://pypi.python.org/packages/source/s/scipy/$file
fi
tar xzfv $file
cd scipy-0.12.0
python setup.py build --fcompiler=gnu95
if [ "$?" -ne 0 ]; then exit 1; fi
python setup.py install --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi

# install geos
cd $buildDir
p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path
rm -rf geos-3.4.2
file=geos-3.4.2.tar.bz2
if [ ! -f "$file" ]; then
    wget http://download.osgeo.org/geos/$file
fi
tar jxf $file
cd geos-3.4.2
./configure --enable-static --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi
make -j $n_cpu
if [ "$?" -ne 0 ]; then exit 1; fi
make install
if [ "$?" -ne 0 ]; then exit 1; fi

# Install proj4
cd $buildDir
p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path
rm -rf proj-4.8.0
file=proj-4.8.0.tar.gz
if [ ! -f "$file" ]; then
    wget http://download.osgeo.org/proj/$file
fi
tar xzfv $file
cd proj-4.8.0
./configure --enable-static --without-jni --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi
make -j $n_cpu
if [ "$?" -ne 0 ]; then exit 1; fi
make install
if [ "$?" -ne 0 ]; then exit 1; fi

# Install gdal
cd $buildDir
p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path
rm -rf gdal-1.10.0
file=gdal-1.10.0.tar.gz
if [ ! -f "$file" ]; then
    wget http://download.osgeo.org/gdal/1.10.0/$file
fi
tar xzfv $file
cd gdal-1.10.0
./configure --enable-static --with-threads --with-libtiff --with-geotiff=internal --with-jpeg --with-png --with-zlib --with-pam --with-geos=$installDir/bin/geos-config --without-bsb --without-cfitsio --without-curl --without-dods-root --without-dwg-plt --without-dwgdirect --without-ecw --without-epsilon --without-expat --without-expat-inc --without-expat-lib --without-fme --without-gif --without-grass --without-hdf4 --without-hdf5 --without-idb --without-ingres --without-jasper --without-jp2mrsid --without-kakadu --without-libgrass --without-macosx-framework --without-mrsid --without-msg --without-mysql --without-netcdf --without-oci --without-oci-include --without-oci-lib --without-odbc --without-ogdi --without-pcidsk --without-pcraster --without-perl --without-pg --without-php --without-ruby --without-sde --without-sde-version --without-spatialite --without-sqlite3 --without-xerces --without-xerces-inc --without-xerces-lib --without-libiconv-prefix --without-libiconv --without-xml2 --without-pcre --without-freexl --with-python=yes --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi
make -j $n_cpu
if [ "$?" -ne 0 ]; then exit 1; fi
make install # this will fail but we'll go on
cd swig/python
python setup.py install --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi

# Install simplekml
cd $buildDir
p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path
rm -rf simplekml-1.2.8
file=simplekml-1.2.8.zip
if [ ! -f "$file" ]; then
    wget https://pypi.python.org/packages/source/s/simplekml/$file
fi
unzip $file
cd simplekml-1.2.8
python setup.py build
if [ "$?" -ne 0 ]; then exit 1; fi
python setup.py install --prefix=$installDir
if [ "$?" -ne 0 ]; then exit 1; fi


p=$(compute_python_path $installDir)
export PYTHONPATH=$p # refresh the python path

echo ""
echo ""
echo "***********************************************"
echo ""
echo "Done! Please be sure to set the following environmental variable before running Stereo Pipeline:"
echo ""
echo export ASP_PYTHON_MODULES_PATH=$PYTHONPATH
echo ""
echo "***********************************************"
echo ""
echo ""

exit 0