Files
P80-Webserver/server.py
2025-10-02 22:43:24 +03:00

118 lines
3.3 KiB
Python

# from os import environ
import argparse
from flask import Flask, request, make_response, send_from_directory, jsonify
from config import PrinterConfig
argument_parser = argparse.ArgumentParser()
argument_parser.add_argument("--address", type=str, required=False, default="0.0.0.0")
argument_parser.add_argument("--port", type=int, required=False, default=8005)
args = argument_parser.parse_args()
# todo read parameters from env
printer_config = PrinterConfig()
app = Flask(__name__)
@app.route("/")
def index_route():
return send_from_directory("static", "index.html")
@app.route("/config", methods=["GET", "POST"])
def config_route():
json_request = request.args.get("json", False)
print(f"{json_request=}")
if not json_request and json_request != "":
json_request = False
elif json_request == "":
json_request = True
if request.method == "GET" and not json_request:
# return config html page
return send_from_directory("static", "config.html")
elif request.method == "GET" and json_request:
# render config as JSON
print(get_config())
return jsonify(get_config())
elif request.method == "POST" and request.is_json:
# accept JSON form with new parameters
errors = {"critical": False, "errors": {}}
try:
request_data = request.json
print(request_data)
except Exception:
errors["errors"]["json"] = "Could not decode message as json"
errors["critical"] = True
request_params = {}
if "address" in request_data:
request_params["address"] = request_data["address"]
if "port" in request_data:
port = request_data["port"]
# todo remove redundant checks
if isinstance(port, int) and 0 < port <= 65535:
request_params["port"] = port
else:
errors["errors"][
"parseint"
] = "Could not parse port number as an integer"
errors["critical"] = True
response = jsonify(errors)
if errors["critical"]:
response.status_code = 422
else:
response.status_code = 200
set_config(**request_params)
return response
def get_config():
return {
"address": printer_config.address,
"port": printer_config.port,
"profile": printer_config.profile,
}
def set_config(address: str = None, port: int = None):
printer_config.address = address
printer_config.port = port
# printer_config.profile = profile # fixed default in config.py
printer_config.save()
def can_print():
return printer_config.complete
@app.route("/status", methods=["GET"])
def printer_status_route():
return jsonify(
{
"configured": can_print(),
"connected": printer_config.printer.test_connection(),
}
)
if __name__ == "__main__":
try:
printer_config.load()
except FileNotFoundError:
printer_config.address = "localhost"
printer_config.port = 9100
# printer_config.profile = ""
try:
app.run(host=args.address, port=args.port, threaded=False)
except KeyboardInterrupt:
pass
printer_config.save()
exit(0)