How to get the data from the HTML user input to a python file

Question

I've been trying to get the data from an HTML file to a Python file, here is the HTML code. I tried CGI but I don't think it works for me. I don't know what to do or what to try.

<form class="login100-form validate-form" action="../backenddeneme/main.py" method="post">
                    <span class="login100-form-title">
                        User Login
                    </span>

                    <div class="wrap-input100 validate-input" data-validate = "Username is required">
                        <input class="input100" type="text" name="username" placeholder="Username">
                        <span class="focus-input100"></span>
                        <span class="symbol-input100">
                            <i class="fa fa-envelope" aria-hidden="true"></i>
                        </span>
                    </div>

                    <div class="wrap-input100 validate-input" data-validate = "Password is required">
                        <input class="input100" type="password" name="pass" placeholder="Password">
                        <span class="focus-input100"></span>
                        <span class="symbol-input100">
                            <i class="fa fa-lock" aria-hidden="true"></i>
                        </span>
                    </div>

                    <div class="container-login100-form-btn">
                        <button class="login100-form-btn" type="submit">
                            Login
                        </button>
                    </div>

                    <div class="text-center p-t-12">
                        <span class="txt1">
                            Forgot
                        </span>
                        <a class="txt2" href="#">
                            Username / Password?
                        </a>
                    </div>

                    <div class="text-center p-t-136"></div>
                </form>

I tried this python code but when I click the submit button, a blank white page with my python code appears

import sqlite3
import cgi

form = cgi.FieldStorage()
username = form.getvalue("username")
password = form.getvalue("password")

conn = sqlite3.connect("users.db")
c = conn.cursor()
c.execute("SELECT * FROM users WHERE username='%s' AND password='%s'" % (username, password))
result = c.fetchall()
print(result)
conn.commit()

conn.close()

You need to be more specific. What code have you tried so far for the data extraction? Please add it to the question itself. — Arnav Borborah
– Arnav Borborah, Commented Jun 14, 2020 at 16:26

astroanax · Accepted Answer · 2020-06-14 16:30:24Z

1

Try using BeautifulSoup Look here - https://www.geeksforgeeks.org/implementing-web-scraping-python-beautiful-soup/ To download it - pip install bs4

answered Jun 14, 2020 at 16:30

astroanax

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1 Comment

Onur Over a year ago

As I know bs4 is used to get HTML data from a website, I need the input data from my website. I don't think I can use bs4 because of that.

Nayan · Accepted Answer · 2020-06-14 16:32:56Z

0

try this <form class="login100-form validate-form" action="/<function name>" method="post"> and on the server side use request.form.get method to get the username or password

answered Jun 14, 2020 at 16:32

Nayan

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4 Comments

Onur Over a year ago

There isn't any server side for me, I'm working on this project and I run it on a python HTTP server

Nayan Over a year ago

Sorry I was assuming you were using Flask framework

Onur Over a year ago

How can I use that Flask framework and is it good? Because I think I can't run a python file in my localhost because of python's http.server does not support SQL

Nayan Over a year ago

Flask is great, You can run it in your local host, you can try flask development server to connect SQL database too. you have to install Flask and read their official doccs to use it

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