import escpos from escpos.printer import * from flask import Flask, jsonify, request, redirect, session, url_for import sys from io import BytesIO # Initialize Flask app app = Flask(__name__) @app.route("/", methods=["GET"]) def do_print(): # p = Usb(0x04b8, 0x0e28, 0) p = CupsPrinter(host="localhost", port=631, printer_name="TM-T20III") p.text("Hello World\n") p.cut() p.close() return "OK" if __name__ == "__main__": app.run(debug=False, host="0.0.0.0", port=9999)