app.py

import streamlit as st
import os
from invoice_convertor import InvoiceConvertor
def main():
    st.set_page_config(layout="wide")
    st.title('Amazon Invoice Convertor')
    st.write('This app converts your Amazon invoice pdfs to a csv file.')
    st.write('Please make sure the name of your pdf files start with "invoice".')
    convertor = InvoiceConvertor()
    files = st.file_uploader('Upload your invoice pdfs', type=['pdf'], accept_multiple_files=True)
    if files:
        for file in files:
            with open('data/' + file.name, 'wb') as f:
                f.write(file.getbuffer())
        convertor.read_pdfs('data/')
        result_df = convertor.convert()
        st.write(result_df)
        st.download_button('Download csv', data=result_df.to_csv(), file_name='invoice.csv', mime='text/csv')
    for file in os.listdir('data/'):
        os.remove('data/' + file)
    if st.button('Clear csv file') and os.path.exists('invoice.csv'):
        os.remove('invoice.csv')
        
if __name__ == '__main__':
    main()