Untitled

#app.py

from flask import Flask, render_template, jsonify

app = Flask(__name__)


@app.route('/index')
@app.route('/')
def index():
    data2=24
   # data1="""<html><a href='{{ url_for('/index_get_data') }}'>data2</a></html>"""
   # values = {"data": "this is page 1<br><a href='/index_get_data'>page 2</a>"}
   # return render_template('index.html',data=data1)
   # p=type(values)
    href = """<a onclick="showModal('event', 'url_for(product, data1)')" >+data2+</a>"""
    return render_template('index.html', data=href)


@app.route('/product/<data1>')
def stuff1(data1):
    host = 'localhost'
    user = 'root'
    password = ''
    db = 'mydata'

    try:
        con = pymysql.connect(host=host, user=user, password=password, db=db, use_unicode=True, charset='utf8')
        print('+=========================+')
        print('|  CONNECTED TO DATABASE  |')
        print('+=========================+')

    except Exception as e:
        sys.exit('error', e)

    cur = con.cursor()
    cur.execute("SELECT * FROM table1where productid=data1")
    data2 = cur.fetchall()
    return data2

# index.html

<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.18/css/jquery.dataTables.min.css"/>
<script src="https://code.jquery.com/jquery-3.3.1.js"></script>
<script src="https://cdn.datatables.net/1.10.18/js/jquery.dataTables.min.js"></script>

{% block body %}
        <div>{{data}}</div>
{% endblock %}

{% block javascript %}
  <script>
  function showModal(event, url) {
        if (typeof event.preventDefault !== "undefined") {
            event.preventDefault();
        }
        $.ajax({
            type: "POST",
            url: url,
            dataType: "html",
            success: function(data)
            {
                $('#drilldown-modal').find('.modal-body').html(data);
            }
            }
        );
    }
    $(document).on('click', function(e){
            showModal(e, (self).attr('href'));
        });
  </script>
  {% endblock %}