ske087
bff6d70b17
Aplicatie Flask + SQLite pentru productie alimentara: cantarirea componentelor unui produs finit si tiparirea etichetei prin QZ Tray. - produse finite (retete) formate din componente cantarite - designer vizual de etichete (mm/px, zona sigura, campuri variabile, cod QR cu continut din mai multe bucati) - legare produs finit -> sablon de eticheta - navigare pe doua taburi: Cantarire / Setari - administrare: componente, produse finite, sabloane, campuri, istoric - backup, resetare baza de date, checklist de pregatire, /healthz - CLI de administrare si serviciu systemd pentru productie - vendor/syncpulse-scale-bridge (GPL-3.0-or-later) pentru citirea cantarului
86 lines
3.0 KiB
Python
86 lines
3.0 KiB
Python
"""Monitor de port serial: identifica formatul unui cantar necunoscut."""
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from __future__ import annotations
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import math
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from flask import Blueprint, current_app, flash, redirect, render_template, request, url_for
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from ..probe import BAUD_RATES, FRAMINGS, ProbeError, list_ports, save_capture, sweep
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from ..scale import get_scale
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bp = Blueprint("monitor", __name__, url_prefix="/monitor")
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def _form_values() -> dict:
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def number(name: str, default: float) -> float:
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raw = (request.form.get(name) or "").strip().replace(",", ".")
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try:
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value = float(raw)
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except ValueError:
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return default
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return value if math.isfinite(value) else default
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return {
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"port": (request.form.get("port") or "").strip(),
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"baud": int(number("baud", 9600)),
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"framing": (request.form.get("framing") or "8N1").strip().upper(),
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"seconds": min(max(number("seconds", 5), 0.5), 30),
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"save": bool(request.form.get("save")),
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"name": (request.form.get("name") or "capture").strip()[:60],
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"scan": bool(request.form.get("scan")),
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}
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@bp.route("", methods=["GET", "POST"])
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def index():
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scale = get_scale(current_app)
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values = _form_values() if request.method == "POST" else {
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"port": "", "baud": 9600, "framing": "8N1", "seconds": 5.0,
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"save": False, "name": "capture", "scan": False,
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}
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result = None
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scan_hits = None
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saved_path = None
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error = None
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if request.method == "POST":
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if not values["port"]:
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error = "Alege portul serial."
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elif values["scan"]:
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try:
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rows = sweep(values["port"], seconds=min(values["seconds"], 2.0),
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framings=(values["framing"],), bauds=BAUD_RATES)
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scan_hits = [r for r in rows if r.get("bytes")]
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if not scan_hits:
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error = "Niciun byte primit la vitezele incercate. Verifica cablul si setarile cantarului."
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except ProbeError as exc:
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error = str(exc)
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else:
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result = scale.probe(values["port"], values["baud"], values["framing"], values["seconds"])
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if not result.get("ok"):
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error = result.get("error") or "Portul nu a putut fi deschis."
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elif values["save"] and result.get("frames"):
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try:
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saved_path = save_capture(
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current_app.config["INSTANCE_DIR"] / "captures",
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values["name"],
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result["frames"],
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)
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flash(f"Captura a fost salvata in {saved_path}.", "success")
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except OSError as exc:
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error = f"Captura nu a putut fi scrisa: {exc}"
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return render_template(
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"monitor.html",
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values=values,
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ports=list_ports(),
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profiles=scale.profiles(),
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result=result,
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scan_hits=scan_hits,
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saved_path=saved_path,
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error=error,
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baud_rates=BAUD_RATES,
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framings=FRAMINGS,
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)
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