How to return GeoJSON with Flask to Openlayers
Look like you use shapely
which has http://toblerity.org/shapely/shapely.geometry.html#shapely.geometry.mapping method to create GeoJSON
-like object.
To render json
use tojson
filter which safe (see safe
filter) for latest flask versions, because jinja2
in flask
by default escape all dangerous symbols to protect XSS.