from flask import Flask, request, make_response, Response app = Flask(__name__) @app.route("/1") def true(): resp = make_response() resp.set_cookie("name", value="value", secure=True, httponly=True, samesite='Lax') return resp @app.route("/2") def flask_Response(): resp = Response() resp.headers['Set-Cookie'] = "name=value; Secure; HttpOnly; SameSite=Lax;" return resp def indeterminate(secure): resp = make_response() resp.set_cookie("name", value="value", secure=secure) return resp # if __name__ == "__main__": # app.run(debug=True)