label_printer/flask/print.py

dev_path="/dev/usb/lp0"
from format_image import format_image
from PIL import Image
import os

def print_text(text):
    stream = open('/dev/usb/lp0', 'wb')
    stream.write(text.encode('utf-8'))
    stream.close()

def cut_paper():
    stream = open('/dev/usb/lp0', 'wb')
    stream.write(b'\x1DV\x41\0')
    stream.close()

def print_image(image):
    image.save("/tmp/image.png")

    # 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()