Version 2.0.0
This commit is contained in:
Erik Thiele
281
app.py
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281
app.py
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import os
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import json
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import socket
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import hashlib
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from datetime import datetime
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from flask import (
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Flask, render_template,
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send_from_directory, redirect,
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request, abort
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)
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from flask_login import (
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LoginManager, login_user,
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login_required, logout_user,
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UserMixin
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)
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from werkzeug.utils import secure_filename
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# -------------------------------------------------
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# Grundkonfiguration
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# -------------------------------------------------
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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MEDIA_DIR = os.path.join(BASE_DIR, "media")
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CONFIG_FILE = os.path.join(BASE_DIR, "config.json")
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APP_VERSION = "2.0.0"
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UPLOAD_EXTENSIONS = {".jpg", ".jpeg", ".png", ".mp4"}
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app = Flask(__name__)
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app.secret_key = "CHANGE_THIS_SECRET"
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login_manager = LoginManager(app)
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login_manager.login_view = "login"
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# -------------------------------------------------
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# Config Helpers
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# -------------------------------------------------
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def load_config():
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if not os.path.exists(CONFIG_FILE):
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return {"admin": {}, "screens": {}}
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with open(CONFIG_FILE) as f:
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return json.load(f)
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def save_config(cfg):
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with open(CONFIG_FILE, "w") as f:
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json.dump(cfg, f, indent=2)
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f.flush()
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os.fsync(f.fileno())
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print("✅ config.json gespeichert")
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# -------------------------------------------------
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# Auth / Benutzer
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# -------------------------------------------------
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class Admin(UserMixin):
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id = 1
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@login_manager.user_loader
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def load_user(user_id):
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return Admin()
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# -------------------------------------------------
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# Login / Logout
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# -------------------------------------------------
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@app.route("/login", methods=["GET", "POST"])
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def login():
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config = load_config()
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if request.method == "POST":
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if (
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request.form.get("username") == config["admin"].get("username")
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and request.form.get("password") == config["admin"].get("password")
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):
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login_user(Admin())
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return redirect("/admin")
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return render_template("login.html")
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@app.route("/logout")
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def logout():
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logout_user()
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return redirect("/login")
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# -------------------------------------------------
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# Medien ausliefern
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# -------------------------------------------------
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@app.route("/media/<screen>/<path:filename>")
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def media(screen, filename):
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path = os.path.join(MEDIA_DIR, screen)
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return send_from_directory(path, filename)
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# -------------------------------------------------
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# Player
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# -------------------------------------------------
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@app.route("/player/<screen>")
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def player(screen):
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config = load_config()
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screens_cfg = config.setdefault("screens", {})
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screen_cfg = screens_cfg.get(screen)
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if not screen_cfg:
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abort(404)
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folder = os.path.join(MEDIA_DIR, screen)
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playlist = screen_cfg.get("playlist", [])
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show_images = screen_cfg.get("show_images", True)
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show_videos = screen_cfg.get("show_videos", True)
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def allowed_file(name):
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if name.startswith("._"):
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return False
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ext = name.lower()
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if ext.endswith((".jpg", ".jpeg", ".png")):
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return show_images
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if ext.endswith(".mp4"):
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return show_videos
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return False
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ordered = []
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# 1. Playlist-Reihenfolge
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for name in playlist:
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if os.path.exists(os.path.join(folder, name)) and allowed_file(name):
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ordered.append(name)
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# 2. Neue Dateien hintendran
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for f in sorted(os.listdir(folder)):
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if f not in ordered and allowed_file(f):
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ordered.append(f)
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return render_template(
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"player.html",
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screen=screen,
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files=ordered,
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interval=screen_cfg.get("interval", 10)
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)
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# -------------------------------------------------
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# Hash für automatisches Player-Reload
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# -------------------------------------------------
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@app.route("/playlist/<screen>/hash")
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def playlist_hash(screen):
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screen_dir = os.path.join(MEDIA_DIR, screen)
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if not os.path.isdir(screen_dir):
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return ""
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entries = []
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for f in os.listdir(screen_dir):
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if f.startswith("._"):
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continue
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p = os.path.join(screen_dir, f)
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try:
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entries.append(f"{f}:{int(os.path.getmtime(p))}")
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except OSError:
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pass
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h = hashlib.md5("|".join(sorted(entries)).encode()).hexdigest()
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return h
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# -------------------------------------------------
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# Admin Dashboard
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# -------------------------------------------------
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@app.route("/admin")
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@login_required
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def admin():
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config = load_config()
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screens_cfg = config.setdefault("screens", {})
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screens = {}
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media_files = {}
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screen_status = {}
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for screen in sorted(os.listdir(MEDIA_DIR)):
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screen_dir = os.path.join(MEDIA_DIR, screen)
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if not os.path.isdir(screen_dir):
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continue
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screens_cfg.setdefault(screen, {
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"interval": 10,
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"show_images": True,
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"show_videos": True,
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"playlist": []
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})
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screens[screen] = screens_cfg[screen]
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files = []
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for f in sorted(os.listdir(screen_dir)):
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if f.startswith("._"):
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continue
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ext = os.path.splitext(f)[1].lower()
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ftype = "video" if ext == ".mp4" else "image"
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size = os.path.getsize(os.path.join(screen_dir, f)) // 1024
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files.append({
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"name": f,
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"type": ftype,
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"size": size
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})
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media_files[screen] = files
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screen_status[screen] = "active" if files else "empty"
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save_config(config)
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return render_template(
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"admin.html",
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screens=screens,
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media_files=media_files,
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screen_status=screen_status,
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hostname=socket.gethostname(),
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version=APP_VERSION,
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year=datetime.now().year
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)
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# -------------------------------------------------
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# Admin: Screen-Einstellungen speichern
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# -------------------------------------------------
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@app.route("/admin/update/<screen>", methods=["POST"])
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@login_required
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def update_screen(screen):
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config = load_config()
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cfg = config["screens"][screen]
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cfg["interval"] = int(request.form.get("interval", 10))
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cfg["show_images"] = "show_images" in request.form
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cfg["show_videos"] = "show_videos" in request.form
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save_config(config)
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return redirect("/admin")
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# -------------------------------------------------
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# Admin: Upload
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# -------------------------------------------------
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@app.route("/admin/upload/<screen>", methods=["POST"])
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@login_required
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def upload(screen):
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file = request.files.get("file")
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if not file:
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return redirect("/admin")
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ext = os.path.splitext(file.filename)[1].lower()
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if ext not in UPLOAD_EXTENSIONS:
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return "Ungültiger Dateityp", 400
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filename = secure_filename(file.filename)
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file.save(os.path.join(MEDIA_DIR, screen, filename))
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return redirect("/admin")
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# -------------------------------------------------
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# Admin: Datei löschen
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# -------------------------------------------------
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@app.route("/admin/delete/<screen>/<filename>", methods=["POST"])
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@login_required
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def delete_file(screen, filename):
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path = os.path.join(MEDIA_DIR, screen, filename)
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if os.path.exists(path):
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os.remove(path)
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return redirect("/admin")
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# -------------------------------------------------
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# Admin: Playlist speichern
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# -------------------------------------------------
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@app.route("/admin/playlist/<screen>", methods=["POST"])
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@login_required
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def update_playlist(screen):
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config = load_config()
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cfg = config["screens"][screen]
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data = request.get_json()
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cfg["playlist"] = data.get("playlist", [])
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save_config(config)
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return "", 204
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# -------------------------------------------------
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# Main
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# -------------------------------------------------
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if __name__ == "__main__":
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app.run(debug=True, host="0.0.0.0", port=5005)
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