559 lines
19 KiB
Python
559 lines
19 KiB
Python
#!/usr/bin/env python3
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"""PiCopy - Automatischer USB-Kopierdienst mit Web-Interface"""
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import os
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import re
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import json
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import shutil
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import logging
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import threading
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import subprocess
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from datetime import datetime
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from pathlib import Path
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from flask import Flask, jsonify, request
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app = Flask(__name__)
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BASE_DIR = Path('/opt/picopy')
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CONFIG_FILE = BASE_DIR / 'config.json'
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LOG_DIR = BASE_DIR / 'logs'
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LOG_FILE = LOG_DIR / 'picopy.log'
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LOG_DIR.mkdir(parents=True, exist_ok=True)
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s %(levelname)s %(message)s',
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handlers=[logging.FileHandler(LOG_FILE), logging.StreamHandler()]
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)
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log = logging.getLogger('picopy')
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DEFAULT_CONFIG = {
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'source_port': None,
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'dest_port': None,
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'folder_format': '%Y-%m-%d',
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'add_time': True,
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'subfolder': True,
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'auto_copy': True,
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}
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state = {
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'running': False, 'progress': 0,
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'total': 0, 'done': 0,
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'current': '', 'error': None,
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'last_copy': None, 'logs': [],
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}
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lock = threading.Lock()
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def load_cfg():
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cfg = DEFAULT_CONFIG.copy()
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try:
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if CONFIG_FILE.exists():
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cfg.update(json.loads(CONFIG_FILE.read_text()))
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except Exception:
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pass
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return cfg
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def save_cfg(cfg):
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CONFIG_FILE.write_text(json.dumps(cfg, indent=2))
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def usb_port_of(dev_name):
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try:
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real = Path(f'/sys/block/{dev_name}').resolve()
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port = None
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for seg in str(real).split('/'):
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if re.fullmatch(r'\d+[\-\d.]+', seg) and ':' not in seg:
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port = seg
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return port
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except Exception:
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return None
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def usb_devices():
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try:
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out = subprocess.check_output(
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['lsblk', '-J', '-o', 'NAME,TRAN,MOUNTPOINT,LABEL,SIZE,MODEL'],
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timeout=10, text=True
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)
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data = json.loads(out)
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except Exception as e:
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log.error(f'lsblk: {e}')
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return []
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result = []
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for bd in data.get('blockdevices', []):
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if bd.get('tran') != 'usb':
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continue
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name = bd['name']
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port = usb_port_of(name)
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model = (bd.get('label') or bd.get('model') or name).strip()
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children = bd.get('children') or []
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if children:
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for child in children:
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result.append({
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'device': f'/dev/{child["name"]}',
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'usb_port': port,
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'mount': child.get('mountpoint') or '',
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'label': (child.get('label') or model).strip(),
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'size': child.get('size') or bd.get('size') or '',
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})
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else:
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result.append({
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'device': f'/dev/{name}',
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'usb_port': port,
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'mount': bd.get('mountpoint') or '',
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'label': model,
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'size': bd.get('size') or '',
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})
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return result
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def ensure_mount(dev_info):
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mp = dev_info.get('mount')
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if mp:
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return mp, False
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dev = dev_info['device']
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mp = f'/mnt/picopy{dev.replace("/", "_")}'
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os.makedirs(mp, exist_ok=True)
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r = subprocess.run(['mount', dev, mp], capture_output=True)
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if r.returncode:
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log.error(f'mount failed: {r.stderr.decode()}')
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return None, False
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return mp, True
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def add_log(msg):
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log.info(msg)
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with lock:
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state['logs'].append({'t': datetime.now().strftime('%H:%M:%S'), 'm': msg})
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state['logs'] = state['logs'][-100:]
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def do_copy(src_dev, dst_dev, cfg):
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src_mp = dst_mp = None
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src_owned = dst_owned = False
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try:
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with lock:
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state.update(running=True, progress=0, error=None,
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done=0, total=0, logs=[], current='')
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add_log('Kopiervorgang gestartet')
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src_mp, src_owned = ensure_mount(src_dev)
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if not src_mp:
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raise RuntimeError(f'Quelle nicht mountbar: {src_dev["device"]}')
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add_log(f'Quelle: {src_mp} ({src_dev["label"]})')
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dst_mp, dst_owned = ensure_mount(dst_dev)
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if not dst_mp:
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raise RuntimeError(f'Ziel nicht mountbar: {dst_dev["device"]}')
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add_log(f'Ziel: {dst_mp} ({dst_dev["label"]})')
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ts = datetime.now()
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date_str = ts.strftime(cfg['folder_format'])
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if cfg.get('add_time'):
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date_str += '_' + ts.strftime('%H%M%S')
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label = re.sub(r'[^\w\-]', '_', src_dev.get('label', 'source'))
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dst_dir = Path(dst_mp) / date_str
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if cfg.get('subfolder'):
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dst_dir = dst_dir / label
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dst_dir.mkdir(parents=True, exist_ok=True)
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add_log(f'Zielordner: {dst_dir}')
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src_path = Path(src_mp)
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files = [f for f in src_path.rglob('*') if f.is_file()]
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total = len(files)
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with lock:
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state['total'] = total
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add_log(f'{total} Dateien gefunden')
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for i, f in enumerate(files):
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with lock:
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if not state['running']:
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add_log('Abgebrochen')
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return
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dst_f = dst_dir / f.relative_to(src_path)
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dst_f.parent.mkdir(parents=True, exist_ok=True)
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shutil.copy2(f, dst_f)
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with lock:
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state.update(
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done=i + 1,
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progress=int((i + 1) / total * 100) if total else 100,
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current=str(f.name)
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)
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with lock:
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state['last_copy'] = datetime.now().isoformat()
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add_log(f'Fertig! {total} Dateien kopiert')
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except Exception as e:
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log.exception('Copy failed')
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with lock:
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state['error'] = str(e)
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add_log(f'Fehler: {e}')
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finally:
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if src_owned and src_mp:
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subprocess.run(['umount', src_mp], capture_output=True)
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if dst_owned and dst_mp:
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subprocess.run(['umount', dst_mp], capture_output=True)
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with lock:
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state['running'] = False
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state['current'] = ''
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def check_auto_copy():
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cfg = load_cfg()
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if not cfg.get('auto_copy') or not cfg.get('source_port') or not cfg.get('dest_port'):
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return
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with lock:
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if state['running']:
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return
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devs = usb_devices()
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src = next((d for d in devs if d['usb_port'] == cfg['source_port']), None)
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dst = next((d for d in devs if d['usb_port'] == cfg['dest_port']), None)
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if src and dst:
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log.info('Auto-Copy: beide Geräte verbunden')
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threading.Thread(target=do_copy, args=(src, dst, cfg), daemon=True).start()
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def usb_monitor():
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try:
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import pyudev
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ctx = pyudev.Context()
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mon = pyudev.Monitor.from_netlink(ctx)
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mon.filter_by(subsystem='block', device_type='disk')
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for dev in iter(mon.poll, None):
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if dev.action == 'add':
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log.info(f'USB eingesteckt: {dev.device_node}')
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threading.Timer(3.0, check_auto_copy).start()
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except ImportError:
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log.warning('pyudev nicht verfügbar – USB-Überwachung deaktiviert')
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except Exception as e:
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log.error(f'USB-Monitor Fehler: {e}')
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# ── HTML ───────────────────────────────────────────────────────────────────
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HTML = r"""<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<title>PiCopy</title>
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<style>
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:root{--bg:#0f172a;--surf:#1e293b;--surf2:#243044;--brd:#334155;--txt:#e2e8f0;--mut:#94a3b8;--acc:#3b82f6;--grn:#22c55e;--red:#ef4444;--ylw:#f59e0b}
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*{box-sizing:border-box;margin:0;padding:0}
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body{background:var(--bg);color:var(--txt);font-family:system-ui,sans-serif;padding:1rem 1rem 3rem}
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a{color:var(--acc)}
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h1{font-size:1.4rem;font-weight:700;display:flex;align-items:center;gap:.5rem;margin-bottom:1.5rem}
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h1 .dot{width:10px;height:10px;border-radius:50%;background:var(--acc)}
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h2{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin-bottom:.75rem}
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.wrap{max-width:920px;margin:0 auto;display:grid;gap:1rem;grid-template-columns:1fr}
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@media(min-width:600px){.wrap{grid-template-columns:1fr 1fr}}
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.card{background:var(--surf);border:1px solid var(--brd);border-radius:.8rem;padding:1.1rem}
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.card.span2{grid-column:1/-1}
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.btn{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .85rem;border:1px solid var(--brd);border-radius:.4rem;background:transparent;color:var(--txt);font-size:.85rem;cursor:pointer;transition:.15s}
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.btn:hover{border-color:var(--acc);color:var(--acc)}
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.btn.pri{background:var(--acc);border-color:var(--acc);color:#fff}
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.btn.pri:hover{background:#2563eb;border-color:#2563eb}
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.btn.danger{border-color:var(--red);color:var(--red)}
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.btn.danger:hover{background:rgba(239,68,68,.1)}
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.btn.sm{padding:.25rem .55rem;font-size:.75rem}
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.btn-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}
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.prog-wrap{margin:.65rem 0 .35rem;height:6px;background:var(--bg);border-radius:3px;overflow:hidden}
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.prog-bar{height:100%;background:var(--acc);border-radius:3px;transition:width .4s}
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.prog-info{font-size:.8rem;color:var(--mut)}
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.stat-ok{color:var(--grn)}
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.stat-run{color:var(--acc)}
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.stat-err{color:var(--red)}
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.stat-idle{color:var(--mut)}
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.dev-list{display:flex;flex-direction:column;gap:.5rem}
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.dev{padding:.7rem .85rem;border:1px solid var(--brd);border-radius:.5rem;cursor:default;transition:.15s}
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.dev:hover{border-color:var(--acc)}
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.dev.src{border-color:var(--grn);background:rgba(34,197,94,.06)}
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.dev.dst{border-color:var(--acc);background:rgba(59,130,246,.06)}
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.dev-top{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
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.dev-name{font-weight:600;font-size:.9rem}
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.dev-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;padding:.1rem .4rem;border-radius:.25rem}
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.badge-src{background:rgba(34,197,94,.15);color:var(--grn)}
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.badge-dst{background:rgba(59,130,246,.15);color:var(--acc)}
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.dev-meta{font-size:.75rem;color:var(--mut);display:flex;gap:.4rem;flex-wrap:wrap;margin:.25rem 0}
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.dev-meta span{background:var(--bg);padding:.1rem .35rem;border-radius:.2rem}
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.dev-acts{display:flex;gap:.4rem;margin-top:.4rem}
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.field{margin-bottom:.85rem}
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.field label{display:block;font-size:.82rem;color:var(--mut);margin-bottom:.3rem}
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.field input,.field select{width:100%;padding:.45rem .65rem;background:var(--bg);border:1px solid var(--brd);border-radius:.4rem;color:var(--txt);font-size:.88rem}
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.field input:focus,.field select:focus{outline:none;border-color:var(--acc)}
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.toggle-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.65rem;cursor:pointer;user-select:none}
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.toggle-row input{accent-color:var(--acc);width:16px;height:16px;cursor:pointer}
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.toggle-row span{font-size:.88rem}
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.log-box{font-family:ui-monospace,monospace;font-size:.76rem;max-height:220px;overflow-y:auto}
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.log-entry{display:flex;gap:.5rem;padding:.2rem 0;border-bottom:1px solid rgba(51,65,85,.5)}
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.log-t{color:var(--mut);flex-shrink:0}
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.empty{color:var(--mut);font-size:.88rem;padding:.25rem 0}
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.pill{display:inline-flex;align-items:center;gap:.3rem;font-size:.75rem;padding:.15rem .5rem;border-radius:9999px;border:1px solid var(--brd);color:var(--mut)}
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.pill.green{border-color:var(--grn);color:var(--grn);background:rgba(34,197,94,.08)}
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.pill.blue{border-color:var(--acc);color:var(--acc);background:rgba(59,130,246,.08)}
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</style>
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</head>
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<body>
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<div class="wrap">
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<div class="card span2">
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<h1><span class="dot"></span>PiCopy</h1>
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<h2>Status</h2>
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<div id="st-text" class="stat-idle">Bereit</div>
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<div id="st-bar-wrap" class="prog-wrap" style="display:none">
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<div id="st-bar" class="prog-bar" style="width:0%"></div>
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</div>
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<div id="st-info" class="prog-info"></div>
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<div id="st-summary" style="font-size:.82rem;color:var(--mut);margin-top:.35rem"></div>
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<div class="btn-row">
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<button id="btn-start" class="btn pri" onclick="startCopy()">▶ Kopieren starten</button>
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<button id="btn-cancel" class="btn danger" onclick="cancelCopy()" style="display:none">■ Abbrechen</button>
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<button class="btn" onclick="refreshDevices()">↻ Geräte neu laden</button>
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</div>
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</div>
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<div class="card span2">
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<h2>Verbundene USB-Geräte</h2>
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<div id="dev-list" class="dev-list"><div class="empty">Lade…</div></div>
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</div>
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<div class="card">
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<h2>Einstellungen</h2>
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<div class="field">
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<label>Ordner-Datumsformat</label>
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<select id="c-fmt">
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<option value="%Y-%m-%d">JJJJ-MM-TT (2024-01-15)</option>
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<option value="%Y%m%d">JJJJMMTT (20240115)</option>
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<option value="%d-%m-%Y">TT-MM-JJJJ (15-01-2024)</option>
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<option value="%Y/%m/%d">JJJJ/MM/TT (Unterordner)</option>
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</select>
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</div>
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<label class="toggle-row">
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<input type="checkbox" id="c-time">
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<span>Uhrzeit im Ordnernamen (z.B. 2024-01-15_143022)</span>
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</label>
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<label class="toggle-row">
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<input type="checkbox" id="c-sub">
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<span>Unterordner pro Quelle (nach Gerätebezeichnung)</span>
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</label>
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<label class="toggle-row">
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<input type="checkbox" id="c-auto">
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<span>Automatisch kopieren sobald beide Geräte verbunden sind</span>
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</label>
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<button class="btn pri" onclick="saveConfig()">✓ Speichern</button>
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<div id="cfg-msg" style="font-size:.8rem;color:var(--grn);margin-top:.5rem;display:none">Gespeichert!</div>
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</div>
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<div class="card">
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<h2>Protokoll</h2>
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<div id="log-box" class="log-box"><div class="empty">Noch keine Einträge</div></div>
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</div>
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</div>
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<script>
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let cfg = {};
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let devs = [];
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const $ = id => document.getElementById(id);
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async function api(path, method='GET', body=null){
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const o={method,headers:{'Content-Type':'application/json'}};
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if(body) o.body=JSON.stringify(body);
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const r=await fetch('/api'+path,o);
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return r.json();
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}
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async function refreshDevices(){
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devs = await api('/devices');
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renderDevs();
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}
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function renderDevs(){
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const el=$('dev-list');
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if(!devs.length){ el.innerHTML='<div class="empty">Keine USB-Speichergeräte gefunden. Bitte Gerät einstecken und Seite neu laden.</div>'; return; }
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el.innerHTML=devs.map(d=>{
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const isSrc=d.usb_port===cfg.source_port;
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const isDst=d.usb_port===cfg.dest_port;
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const cls=isSrc?'src':isDst?'dst':'';
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const badge=isSrc?'<span class="dev-badge badge-src">✓ Quelle</span>':
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isDst?'<span class="dev-badge badge-dst">✓ Ziel</span>':'';
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return `<div class="dev ${cls}">
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<div class="dev-top">
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<span class="dev-name">${d.label||d.device}</span>${badge}
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</div>
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<div class="dev-meta">
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<span>${d.device}</span>
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<span>USB-Port: <b>${d.usb_port||'unbekannt'}</b></span>
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<span>${d.size}</span>
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${d.mount?'<span>'+d.mount+'</span>':''}
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</div>
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<div class="dev-acts">
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<button class="btn sm" onclick="assign('${d.usb_port}','source')">Als Quelle</button>
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<button class="btn sm" onclick="assign('${d.usb_port}','dest')">Als Ziel</button>
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</div>
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</div>`;
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}).join('');
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}
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async function assign(port, role){
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if(role==='source') cfg.source_port=port;
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else cfg.dest_port=port;
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await api('/config','POST',cfg);
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renderDevs();
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}
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async function loadCfg(){
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cfg=await api('/config');
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$('c-fmt').value=cfg.folder_format||'%Y-%m-%d';
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$('c-time').checked=!!cfg.add_time;
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$('c-sub').checked=!!cfg.subfolder;
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$('c-auto').checked=!!cfg.auto_copy;
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}
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async function saveConfig(){
|
||
cfg.folder_format=$('c-fmt').value;
|
||
cfg.add_time=$('c-time').checked;
|
||
cfg.subfolder=$('c-sub').checked;
|
||
cfg.auto_copy=$('c-auto').checked;
|
||
await api('/config','POST',cfg);
|
||
const m=$('cfg-msg');
|
||
m.style.display='block';
|
||
setTimeout(()=>m.style.display='none',2000);
|
||
}
|
||
|
||
async function startCopy(){
|
||
const r=await api('/copy/start','POST');
|
||
if(r.error) alert('Fehler: '+r.error);
|
||
}
|
||
|
||
async function cancelCopy(){
|
||
await api('/copy/cancel','POST');
|
||
}
|
||
|
||
async function pollStatus(){
|
||
try{
|
||
const s=await api('/status');
|
||
const txt=$('st-text'), bar=$('st-bar'), wrap=$('st-bar-wrap');
|
||
const info=$('st-info'), sum=$('st-summary');
|
||
const bStart=$('btn-start'), bCancel=$('btn-cancel');
|
||
|
||
if(s.running){
|
||
txt.className='stat-run';
|
||
txt.textContent='Kopiert… '+s.progress+'%';
|
||
wrap.style.display='block';
|
||
bar.style.width=s.progress+'%';
|
||
info.textContent=s.current?s.done+' / '+s.total+' — '+s.current:'';
|
||
sum.textContent='';
|
||
bStart.style.display='none';
|
||
bCancel.style.display='';
|
||
} else {
|
||
bStart.style.display='';
|
||
bCancel.style.display='none';
|
||
info.textContent='';
|
||
if(s.error){
|
||
txt.className='stat-err';
|
||
txt.textContent='Fehler: '+s.error;
|
||
sum.textContent='';
|
||
wrap.style.display='none';
|
||
} else if(s.last_copy){
|
||
txt.className='stat-ok';
|
||
txt.textContent='Abgeschlossen';
|
||
sum.textContent=s.total+' Dateien · '+new Date(s.last_copy).toLocaleString('de-DE');
|
||
wrap.style.display='block';
|
||
bar.style.width='100%';
|
||
} else {
|
||
txt.className='stat-idle';
|
||
txt.textContent='Bereit';
|
||
sum.textContent='';
|
||
wrap.style.display='none';
|
||
}
|
||
}
|
||
|
||
const lb=$('log-box');
|
||
if(s.logs&&s.logs.length){
|
||
lb.innerHTML=s.logs.slice().reverse().map(l=>
|
||
`<div class="log-entry"><span class="log-t">${l.t}</span><span>${l.m}</span></div>`
|
||
).join('');
|
||
}
|
||
}catch(e){}
|
||
}
|
||
|
||
(async()=>{
|
||
await loadCfg();
|
||
await refreshDevices();
|
||
setInterval(pollStatus,1500);
|
||
setInterval(refreshDevices,10000);
|
||
pollStatus();
|
||
})();
|
||
</script>
|
||
</body>
|
||
</html>"""
|
||
|
||
|
||
# ── Flask Routes ───────────────────────────────────────────────────────────
|
||
|
||
@app.route('/')
|
||
def index():
|
||
return HTML
|
||
|
||
|
||
@app.route('/api/devices')
|
||
def r_devices():
|
||
return jsonify(usb_devices())
|
||
|
||
|
||
@app.route('/api/config', methods=['GET', 'POST'])
|
||
def r_config():
|
||
if request.method == 'POST':
|
||
cfg = load_cfg()
|
||
cfg.update(request.get_json(force=True))
|
||
save_cfg(cfg)
|
||
return jsonify(ok=True)
|
||
return jsonify(load_cfg())
|
||
|
||
|
||
@app.route('/api/status')
|
||
def r_status():
|
||
with lock:
|
||
return jsonify(dict(state))
|
||
|
||
|
||
@app.route('/api/copy/start', methods=['POST'])
|
||
def r_start():
|
||
with lock:
|
||
if state['running']:
|
||
return jsonify(error='Bereits aktiv'), 400
|
||
cfg = load_cfg()
|
||
devs = usb_devices()
|
||
src = next((d for d in devs if d['usb_port'] == cfg.get('source_port')), None)
|
||
dst = next((d for d in devs if d['usb_port'] == cfg.get('dest_port')), None)
|
||
if not src:
|
||
return jsonify(error='Quellgerät nicht gefunden – USB-Port konfiguriert?'), 400
|
||
if not dst:
|
||
return jsonify(error='Zielgerät nicht gefunden – USB-Port konfiguriert?'), 400
|
||
threading.Thread(target=do_copy, args=(src, dst, cfg), daemon=True).start()
|
||
return jsonify(ok=True)
|
||
|
||
|
||
@app.route('/api/copy/cancel', methods=['POST'])
|
||
def r_cancel():
|
||
with lock:
|
||
state['running'] = False
|
||
return jsonify(ok=True)
|
||
|
||
|
||
if __name__ == '__main__':
|
||
threading.Thread(target=usb_monitor, daemon=True).start()
|
||
log.info('PiCopy läuft auf http://0.0.0.0:8080')
|
||
app.run(host='0.0.0.0', port=8080, debug=False, use_reloader=False)
|