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Update cemento.py

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francesco
2026-01-20 11:57:32 +01:00
parent d80d816e1c
commit 6f18621983
1 changed files with 9 additions and 33 deletions
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42
cemento.py
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@@ -1,23 +1,3 @@
# -*- coding: utf-8 -*-
import subprocess
from flask import Flask, render_template, request
app = Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def index():
res = None
if request.method == 'POST':
try:
# Recupero dati dal form e calcolo
v = request.form.get('v', '0')
ps = request.form.get('ps', '0')
ts = request.form.get('ts', '0')
res = {"vol": v, "peso": ps, "tot_sacc": ts}
except:
res = None
return render_template('index.html', res=res, form=request.form)
@app.route('/stampa_pdf', methods=['POST']) @app.route('/stampa_pdf', methods=['POST'])
def stampa_pdf(): def stampa_pdf():
try: try:
@@ -25,29 +5,25 @@ def stampa_pdf():
ps = request.form.get('ps', '0') ps = request.form.get('ps', '0')
ts = request.form.get('ts', '0') ts = request.form.get('ts', '0')
# Formattazione PostScript per garantire che il PDF non sia vuoto # Testo formattato in PostScript per evitare PDF vuoti
ps_content = f"""%!PS ps_content = f"""%!PS
/Helvetica findfont 16 scalefont setfont /Helvetica findfont 14 scalefont setfont
100 750 moveto (REPORT CALCOLO CEMENTO) show 100 750 moveto (REPORT CALCOLO CEMENTO) show
/Helvetica findfont 12 scalefont setfont 100 720 moveto (Volume: {v} m3) show
100 720 moveto (Volume totale: {v} m3) show 100 700 moveto (Peso: {ps} kg) show
100 700 moveto (Peso stimato: {ps} kg) show
100 680 moveto (Totale sacchetti: {ts}) show 100 680 moveto (Totale sacchetti: {ts}) show
100 650 moveto (Data: 20/01/2026) show
showpage""" showpage"""
# Esecuzione tramite docker exec (metodo testato con successo via root) # Comando per iniettare i dati nel container
comando = ["docker", "exec", "-i", "cups-pdf-server", "lp", "-d", "Virtual_PDF"] comando = ["docker", "exec", "-i", "cups-pdf-server", "lp", "-d", "Virtual_PDF"]
# Esecuzione del comando passandogli il testo PostScript
processo = subprocess.run(comando, input=ps_content.encode('utf-8'), capture_output=True) processo = subprocess.run(comando, input=ps_content.encode('utf-8'), capture_output=True)
if processo.returncode == 0: if processo.returncode == 0:
return "OK - PDF creato con successo!" return "OK - PDF generato correttamente!"
else: else:
return f"Errore container: {processo.stderr.decode()}" return f"Errore container: {processo.stderr.decode()}"
except Exception as e: except Exception as e:
return f"Errore script: {str(e)}" return f"Errore script: {str(e)}"
if __name__ == '__main__':
# Porta 5000 per il tuo Proxy Reverse
app.run(host='0.0.0.0', port=5000)