upload.py

from sqlalchemy import create_engine,MetaData,Table,Column,Integer,String
import pandas as pd

import streamlit as st

def main():
 uploaded_file = st.file_uploader('Uplaod your excel sheets')
 if uploaded_file:
    engine = create_engine(f"sqlite:///{uploaded_file.name}.db")
    st.session_state['db_path'] = (f"sqlite:///{uploaded_file.name}.db")
    file_type = uploaded_file.name.split(".")[-1]
    
    if file_type == "csv":

        df = pd.read_csv(uploaded_file)
        table_name = st.text_input("Enter table name for CSV", "csv_table")
        
        if st.button("Save CSV to Database"):
            df.to_sql(table_name, con=engine, if_exists="replace", index=False)
            st.success(f"CSV data has been saved to the '{table_name}' table in the SQLite database.")
    
    elif file_type == "xlsx":
        xls = pd.ExcelFile(uploaded_file)
        sheets = xls.sheet_names
        st.write("Sheets found in Excel file:", sheets)
        
        for sheet_name in sheets:
            df = pd.read_excel(uploaded_file, sheet_name=sheet_name)
            table_name = st.text_input(f"Enter table name for sheet '{sheet_name}'", sheet_name)
            
            if st.button(f"Save '{sheet_name}' to Database"):
                df.to_sql(table_name, con=engine, if_exists="replace", index=False)
                st.success(f"Sheet '{sheet_name}' has been saved to the '{table_name}' table in the SQLite database.")
    
 
    
        
if __name__=='__main__':
    main()