from jinja2 import TemplateNotFound from flask import Blueprint, render_template, jsonify, abort webui = Blueprint('webui', __name__, url_prefix='/telezab') @webui.route('/', defaults={'index'}) def index(): try: return render_template(index.html) except TemplateNotFound: abort(404) @webui.route('/data') def get_data(): return jsonify({"message": "Данные из frontend!"})