I would like to implement an advance filtering option of a database for the front-end user. Ideally the interface should look like this with "an add filter button", that allows to filter based on a field of the database and eventually allows to choose the criteria (e.g. the filed contain a string: equal, contains stats with, if the field contains a number: greater, less etc. etc.)
I took this picture from http://flaskappbuilder.pythonanywhere.com/permissions/list/ (login with guest welcome) but I would like to use it independently from flask app-builder, and I wonder if there is already a flask module that is specifically developed to that.