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import treepoem
from io import BytesIO
import cups
import os

def list_printers():
    conn = cups.Connection()
    printers = conn.getPrinters()
    return printers

def user_select_printer(printers):
    print("List of connected printers:")
    for i, printer in enumerate(printers, start=1):
        print(f"{i}. {printer}")

    selected_printer = int(input("Enter the number of the printer you'd like to use: "))
    return list(printers.keys())[selected_printer - 1]

def get_product_code():
    product_code = input("Enter the product code: ")
    return product_code.upper()

def generate_barcode(product_code):
    barcode_image = treepoem.generate_barcode(barcode_type='code128', data=product_code)
    output = BytesIO()
    barcode_image.save(output, format='PNG')
    return output.getvalue()

def print_barcode(printer, barcode_image):
    conn = cups.Connection()
    temp_filename = 'temp_barcode.png'

    with open(temp_filename, 'wb') as f:
        f.write(barcode_image)

    options = {
        'media': 'Custom.1x2.125in',  # Set the media size to 1" x 2-1/8"
        'fit-to-page': '',  # Fit the barcode to the page
    }

    conn.printFile(printer, temp_filename, 'Barcode Print', options)

    os.remove(temp_filename)

def main():
    printers = list_printers()
    selected_printer = user_select_printer(printers)

    while True:
        product_code = get_product_code()
        barcode_image = generate_barcode(product_code)
        print_barcode(selected_printer, barcode_image)
        print("Barcode printed successfully.")

        continue_printing = input("Do you want to print another barcode? (y/n): ")
        if continue_printing.lower() != 'y':
            break

if __name__ == "__main__":
    main()