label_printer/print.py

# SPDX-License-Identifier: GPL-3.0-or-later
dev_path="/dev/usb/lp0"
from process_image import *
from PIL import Image
import ctypes
import io
import time

printer = ctypes.CDLL('./epson/library_bridge.so')

def print_text(text):
    time.sleep(0.1)

    try:
        printer.print_text(b"/dev/usb/lp0", text.encode('utf-8'))
    except Exception as e:
        print(f"An error occurred: {e}")

def cut_paper():
    time.sleep(0.1)

    try:
        printer.cut(b"/dev/usb/lp0")
    except Exception as e:
        print(f"An error occurred: {e}")


def print_image(image):
    time.sleep(0.1)

    Bytes = io.BytesIO()
    image.save(Bytes, format='PNG')
    Bytes = Bytes.getvalue()


    try:
        printer.print_image(b"/dev/usb/lp0", Bytes, len(Bytes))
    except Exception as e:
        print(f"An error occurred: {e}")

    # I'm sorry
    #os.system("cd epson/; ./print_image.sh /tmp/image.png; cd ..")

#image = format_image("static/text/text.png")
#image.save("/tmp/image.png")
#print_image(image)
#cut_paper()