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signage/app.py
2026-04-22 20:26:00 +02:00

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import os
import json
import socket
import hashlib
from datetime import datetime
from flask import (
Flask, render_template,
send_from_directory, redirect,
request, abort
)
from flask_login import (
LoginManager, login_user,
login_required, logout_user,
UserMixin
)
from werkzeug.utils import secure_filename
# -------------------------------------------------
# Grundkonfiguration
# -------------------------------------------------
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
MEDIA_DIR = os.path.join(BASE_DIR, "media")
CONFIG_FILE = os.path.join(BASE_DIR, "config.json")
APP_VERSION = "2.1.0"
UPLOAD_EXTENSIONS = {".jpg", ".jpeg", ".png", ".mp4"}
app = Flask(__name__)
app.secret_key = "CHANGE_THIS_SECRET!!!"
login_manager = LoginManager(app)
login_manager.login_view = "login"
# -------------------------------------------------
# Config Helpers
# -------------------------------------------------
def load_config():
if not os.path.exists(CONFIG_FILE):
return {"admin": {}, "screens": {}}
with open(CONFIG_FILE) as f:
return json.load(f)
def save_config(cfg):
with open(CONFIG_FILE, "w") as f:
json.dump(cfg, f, indent=2)
f.flush()
os.fsync(f.fileno())
print("✅ config.json gespeichert")
# -------------------------------------------------
# Auth / Benutzer
# -------------------------------------------------
class Admin(UserMixin):
id = 1
@login_manager.user_loader
def load_user(user_id):
return Admin()
# -------------------------------------------------
# Login / Logout
# -------------------------------------------------
@app.route("/login", methods=["GET", "POST"])
def login():
config = load_config()
if request.method == "POST":
if (
request.form.get("username") == config["admin"].get("username")
and request.form.get("password") == config["admin"].get("password")
):
login_user(Admin())
return redirect("/admin")
return render_template("login.html")
@app.route("/logout")
def logout():
logout_user()
return redirect("/login")
# -------------------------------------------------
# Medien ausliefern
# -------------------------------------------------
@app.route("/media/<screen>/<path:filename>")
def media(screen, filename):
path = os.path.join(MEDIA_DIR, screen)
return send_from_directory(path, filename)
# -------------------------------------------------
# Player
# -------------------------------------------------
@app.route("/player/<screen>")
def player(screen):
config = load_config()
screens_cfg = config.setdefault("screens", {})
screen_cfg = screens_cfg.get(screen)
if not screen_cfg:
abort(404)
folder = os.path.join(MEDIA_DIR, screen)
playlist = screen_cfg.get("playlist", [])
show_images = screen_cfg.get("show_images", True)
show_videos = screen_cfg.get("show_videos", True)
def allowed_file(name):
if name.startswith("._"):
return False
ext = name.lower()
if ext.endswith((".jpg", ".jpeg", ".png")):
return show_images
if ext.endswith(".mp4"):
return show_videos
return False
# ------------------------------
# Normale Screen-Playlist
# ------------------------------
normal_files = []
# 1. Playlist-Reihenfolge
for name in playlist:
if os.path.exists(os.path.join(folder, name)) and allowed_file(name):
normal_files.append(name)
# 2. Neue Dateien hintendran
for f in sorted(os.listdir(folder)):
if f not in normal_files and allowed_file(f):
normal_files.append(f)
# ------------------------------
# Priority-Playlist (global)
# WICHTIG: IMMER definieren!
# ------------------------------
priority_cfg = config.get("priority", {})
if priority_cfg.get("enabled", False):
prio_files = priority_cfg.get("playlist", [])
else:
prio_files = []
return render_template(
"player.html",
screen=screen,
normal_files=normal_files, # ✅ explizit
prio_files=prio_files, # ✅ IMMER Liste
interval=screen_cfg.get("interval", 10)
)
# -------------------------------------------------
# Hash für automatisches Player-Reload
# -------------------------------------------------
@app.route("/playlist/<screen>/hash")
def playlist_hash(screen):
config = load_config()
# ✅ Globaler Hash über ALLE relevanten Daten
relevant = {
"screens": {
screen: config["screens"].get(screen, {})
},
"priority": config.get("priority", {})
}
blob = json.dumps(relevant, sort_keys=True).encode()
return hashlib.md5(blob).hexdigest()
# -------------------------------------------------
# Admin Dashboard
# -------------------------------------------------
@app.route("/admin")
@login_required
def admin():
cfg = load_config()
screens = {}
media_files = {}
screen_status = {}
for screen in os.listdir(MEDIA_DIR):
if screen == "priority":
continue # ✅ kein echter Screen
path = os.path.join(MEDIA_DIR, screen)
if not os.path.isdir(path):
continue
files = []
playlist = cfg["screens"][screen].get("playlist", [])
# 1⃣ Playlist-Reihenfolge
for name in playlist:
file_path = os.path.join(path, name)
if not os.path.exists(file_path):
continue
ext = os.path.splitext(name)[1].lower()
ftype = "video" if ext == ".mp4" else "image"
size = os.path.getsize(file_path) // 1024
files.append({
"name": name,
"type": ftype,
"size": size
})
# 2⃣ Neue Dateien anhängen (nicht in Playlist)
for f in sorted(os.listdir(path)):
if f in playlist or f.startswith("._"):
continue
file_path = os.path.join(path, f)
ext = os.path.splitext(f)[1].lower()
ftype = "video" if ext == ".mp4" else "image"
size = os.path.getsize(file_path) // 1024
files.append({
"name": f,
"type": ftype,
"size": size
})
screens[screen] = cfg["screens"][screen]
media_files[screen] = files
screen_status[screen] = "active" if files else "empty"
# --- PRIORITY EXTENSION: Admin ---
prio_dir = os.path.join(MEDIA_DIR, "priority")
os.makedirs(prio_dir, exist_ok=True)
priority_files = []
prio_playlist = cfg["priority"].get("playlist", [])
# 1⃣ Playlist-Reihenfolge
for name in prio_playlist:
file_path = os.path.join(MEDIA_DIR, "priority")
if not os.path.exists(file_path):
continue
ext = os.path.splitext(name)[1].lower()
ftype = "video" if ext == ".mp4" else "image"
size = os.path.getsize(file_path) // 1024
priority_files.append({
"name": name,
"type": ftype,
"size": size
})
# 2⃣ Neue Dateien anhängen (nicht in Playlist)
for f in sorted(os.listdir(prio_dir)):
if f in prio_playlist or f.startswith("._"):
continue
file_path = os.path.join(prio_dir, f)
ext = os.path.splitext(f)[1].lower()
ftype = "video" if ext == ".mp4" else "image"
size = os.path.getsize(file_path) // 1024
priority_files.append({
"name": f,
"type": ftype,
"size": size
})
return render_template(
"admin.html",
screens=screens,
media_files=media_files,
screen_status=screen_status,
version=APP_VERSION,
year=datetime.now().year,
hostname=os.uname().nodename,
priority_files=priority_files
)
# -------------------------------------------------
# Admin: Screen-Einstellungen speichern
# -------------------------------------------------
@app.route("/admin/update/<screen>", methods=["POST"])
@login_required
def update_screen(screen):
config = load_config()
cfg = config["screens"][screen]
cfg["interval"] = int(request.form.get("interval", 10))
cfg["show_images"] = "show_images" in request.form
cfg["show_videos"] = "show_videos" in request.form
save_config(config)
return redirect("/admin")
# -------------------------------------------------
# Admin: Upload
# -------------------------------------------------
@app.route("/admin/upload/<screen>", methods=["POST"])
@login_required
def upload(screen):
file = request.files.get("file")
if not file:
return redirect("/admin")
ext = os.path.splitext(file.filename)[1].lower()
if ext not in UPLOAD_EXTENSIONS:
return "Ungültiger Dateityp", 400
filename = secure_filename(file.filename)
file.save(os.path.join(MEDIA_DIR, screen, filename))
return redirect("/admin")
# -------------------------------------------------
# Admin: Datei löschen
# -------------------------------------------------
@app.route("/admin/delete/<screen>/<filename>", methods=["POST"])
@login_required
def delete_file(screen, filename):
cfg = load_config()
# Datei löschen
path = os.path.join(MEDIA_DIR, screen, filename)
if os.path.exists(path):
os.remove(path)
# --- Playlist bereinigen ---
if screen == "priority":
playlist = cfg.get("priority", {}).get("playlist", [])
if filename in playlist:
playlist.remove(filename)
else:
playlist = cfg["screens"].get(screen, {}).get("playlist", [])
if filename in playlist:
playlist.remove(filename)
save_config(cfg)
return redirect("/admin")
# -------------------------------------------------
# Admin: Playlist speichern
# -------------------------------------------------
@app.route("/admin/playlist/<screen>", methods=["POST"])
@login_required
def save_playlist(screen):
cfg = load_config()
data = request.get_json()
if screen == "priority":
cfg["priority"]["playlist"] = data["playlist"]
else:
cfg["screens"][screen]["playlist"] = data["playlist"]
save_config(cfg)
return "", 204
# -------------------------------------------------
# Main
# -------------------------------------------------
if __name__ == "__main__":
app.run(debug=True, host="0.0.0.0", port=5005)