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A streamlit component that creates a user login form connected to a Supabase DB. It lets users create a new username and password, login to an existing account, or login as an anonymous guest.

Reason this release was yanked:

Issues with hashing the password

Project description

:lock: st-login-form

Downloads

A streamlit component that creates a user login form connected to a Supabase DB. It lets users create a new username and password, login to an existing account, or login as an anonymous guest.

Form screenshot

The login form collapses after login to free screen-space.

:computer: Demo app

Open in Streamlit

:construction: Installation

  1. Install st-login-form
pip install st-login-form
  1. Create a Supabase project as mentioned here
  2. Create a table to store the usernames and passwords. The table name and column names can be as per your choice.
CREATE TABLE users (
    username text not null default ''::text,
    password text not null,
    constraint users_pkey primary key (username),
    constraint users_username_key unique (username),
    constraint users_password_check check (
      (
        length(
          trim(
            both
            from
              password
          )
        ) > 1
      )
    ),
    constraint users_username_check check (
      (
        length(
          trim(
            both
            from
              username
          )
        ) > 1
      )
    )
  ) tablespace pg_default;
  1. Follow the rest of the steps from here to connect your Streamlit app to Supabase

:pen: Usage

login_form() sets session_state["authenticated"] to True if the login is successful, session_state["username"] to the username or new or existing user, and to None for guest login.

Returns the initialized supabase.Client instance to let you interact with the databse downstream in the script.

import streamlit as st

from streamlit_login import login_form

client = login_form()

if st.session_state["authenticated"]:
    if st.session_state["username"]:
        st.success(f"Welcome {st.session_state['username']}")
    else:
        st.success("Welcome guest")
else:
    st.error("Not authenticated")

See demo in Streamlit

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Project details


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