daily-counter/app/themes.py

import streamlit as st
from queries import crud
from user import is_logged_in, is_login_enabled


def init_themes():

    if 'themes' not in st.session_state:
        st.session_state.themes = {
            "light": {
                "theme.base": "light",
                "theme.backgroundColor": "white",
                "theme.primaryColor": "#5591f5",
                "theme.textColor": "#0a1464",
                "button_face_label": "Light",
                "button_face_icon": ":material/light_mode:"
            },
            "dark": {
                "theme.base": "dark",
                "theme.backgroundColor": "black",
                "theme.primaryColor": "#c98bdb",
                "theme.textColor": "white",
                "button_face_label": "Dark",
                "button_face_icon": ":material/dark_mode:"
            }
        }

    if 'current_theme' not in st.session_state:
        st.session_state.current_theme = 'light'
        change_theme('light')

def change_theme(theme):
    if is_logged_in():
        crud.set_theme(theme)

    st.session_state.current_theme = theme
    for key, val in st.session_state.themes[theme].items():
        if key.startswith("theme"):
            st._config.set_option(key, val)