Create app.py

app.py

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+import gradio as gr
+import pandas as pd
+from fpdf import FPDF
+
+# Initialize an empty DataFrame to store invoice records
+invoice_data = pd.DataFrame(columns=["Invoice No", "Date", "Amount"])
+
+# Function to add new invoice entry and display total amount
+def add_invoice(invoice_no, date, amount):
+    global invoice_data
+    # Add the new record to the DataFrame
+    new_row = {"Invoice No": invoice_no, "Date": date, "Amount": float(amount)}
+    invoice_data = pd.concat([invoice_data, pd.DataFrame([new_row])], ignore_index=True)
+    # Calculate the total amount
+    total_amount = invoice_data["Amount"].sum()
+    return invoice_data, f"Total Amount: {total_amount}"
+
+# Function to generate and save the invoice data to a PDF
+def generate_pdf():
+    global invoice_data
+    pdf = FPDF()
+    pdf.add_page()
+    pdf.set_font("Arial", size=12)
+
+    # Title of the PDF
+    pdf.cell(200, 10, txt="Invoice Records", ln=True, align="C")
+
+    # Table header
+    pdf.cell(60, 10, txt="Invoice No", border=1, align="C")
+    pdf.cell(60, 10, txt="Date", border=1, align="C")
+    pdf.cell(60, 10, txt="Amount", border=1, ln=True, align="C")
+
+    # Add invoice data to PDF
+    for index, row in invoice_data.iterrows():
+        pdf.cell(60, 10, txt=str(row['Invoice No']), border=1, align="C")
+        pdf.cell(60, 10, txt=str(row['Date']), border=1, align="C")
+        pdf.cell(60, 10, txt=str(row['Amount']), border=1, ln=True, align="C")
+    
+    # Add total amount at the end
+    total_amount = invoice_data["Amount"].sum()
+    pdf.cell(120, 10, txt="Total Amount", border=1, align="R")
+    pdf.cell(60, 10, txt=str(total_amount), border=1, ln=True, align="C")
+
+    # Save PDF to file
+    pdf_file_path = "/content/invoice_records.pdf"
+    pdf.output(pdf_file_path)
+
+    return pdf_file_path
+
+# Gradio interface
+with gr.Blocks() as app:
+    # Section for adding new invoices
+    with gr.Row():
+        invoice_no = gr.Textbox(label="Invoice No")
+        date = gr.Textbox(label="Date")
+        amount = gr.Number(label="Amount")
+        add_button = gr.Button("Add Invoice")
+    
+    # Section for displaying records and total amount
+    with gr.Row():
+        invoice_records = gr.DataFrame(label="Invoice Records")
+        total_amount = gr.Textbox(label="Total Amount", interactive=False)
+    
+    # Section for generating and downloading PDF
+    with gr.Row():
+        generate_pdf_button = gr.Button("Generate PDF")
+        pdf_output = gr.File(label="Download PDF")
+
+    # Define button functionalities
+    add_button.click(add_invoice, [invoice_no, date, amount], [invoice_records, total_amount])
+    generate_pdf_button.click(generate_pdf, [], [pdf_output])
+
+# Launch the app
+app.launch(share=True)