how to install geospatial libraries for python on ubuntu 18.04 (GDAL, mapnik)

install_geospatial_libs.sh

# GDAL

sudo apt install gdal-bin libgdal-dev 
pip install GDAL==$(gdal-config --version) --global-option=build_ext --global-option="-I/usr/include/gdal"

# MAPNIK 

sudo apt install mapnik-utils libmapnik-dev libboost-all-dev 
mapnik-config -v  # check mapnik version
 
git clone https://github.com/mapnik/python-mapnik.git
cd python-mapnik
git checkout v3.0.x  # checkout if your mapnik version is 3.0.x

# with activated virtualenv!!!
python setup.py install
cd ..

python
>> import mapnik
>> print(mapnik.mapnik_version())