Welcome.py

import streamlit as st
import pandas as pd
import requests
import io
import plotly.express as px
from cash_prices import cash_page
from futures_prices import futures_page
from basis_prices import basis_page
st.set_page_config(page_title="Wheat Charts", page_icon="🌾")
def check_password():
    """Returns `True` if the user had the correct password."""

    def password_entered():
        """Checks whether a password entered by the user is correct."""
        if st.session_state["password"] == st.secrets["password"]:
            st.session_state["password_correct"] = True
            del st.session_state["password"]  # don't store password
        else:
            st.session_state["password_correct"] = False

    if "password_correct" not in st.session_state:
        # First run, show input for password.
        st.text_input(
            "Password", type="password", on_change=password_entered, key="password"
        )
        return False
    elif not st.session_state["password_correct"]:
        # Password not correct, show input + error.
        st.text_input(
            "Password", type="password", on_change=password_entered, key="password"
        )
        st.error("😕 Password incorrect")
        return False
    else:
        # Password correct.
        return True
    
def welcome_page():
    st.markdown("# Main page ")
    st.sidebar.markdown("# Main page")
    st.header("Welcome to the BYU-I Idaho Grains App")
    #st.write('UNDER CONSTRUCTION - I\'m currently working on fixing a few formatting issues so the data and charts are gunna get funky for the next few days.')
    st.subheader('Instructions')
    st.write('In this application we have infomation about selling crops in Idaho. Each tab to your left will have different tools to help you evaulate \nwhen and where to sell. Each page will allow you to choose a location as well as specify a crop. You will then be presented with historical data for each week of the year in both a table and a chart to help you analyze time based trends.')
    st.subheader('Disclaimer')
    st.write('While all attempts have been made to verify and correctly manipulate and display the included data, it is not 100% accurate. Human error and variation within file formats can lead to errors within the data itself as such the tables and visuals in this application are meant for educational purposes only any actions taken in the real world as a result of infomation contained in this application is made at the discresion of the user and the consequences of such actions are the users own responsibilty.')

page_names_to_funcs = {
    "Main Page": welcome_page,
    "Cash Prices": cash_page,
    "Futures Prices": futures_page,
    "Basis Prices": basis_page,
}

if check_password():
    selected_page = st.sidebar.selectbox("Select a page", page_names_to_funcs.keys())
    page_names_to_funcs[selected_page]()