Files
patreon-downloader/with_ui.py

154 lines
4.8 KiB
Python

import subprocess
import threading
import uuid
import json
import os
from flask import Flask, request, jsonify, Response, stream_with_context
from flask_cors import CORS
import time
app = Flask(__name__, static_folder='.', static_url_path='')
CORS(app)
# Store active jobs: {job_id: {"lines": [], "done": bool, "error": bool}}
jobs = {}
jobs_lock = threading.Lock()
YTDLP_PATH = os.environ.get("YTDLP_PATH", "yt-dlp")
DOWNLOAD_DIR = os.environ.get("DOWNLOAD_DIR", os.getcwd())
def run_ytdlp(job_id, cmd):
with jobs_lock:
jobs[job_id] = {"lines": [], "done": False, "error": False}
try:
process = subprocess.Popen(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
bufsize=1,
cwd=DOWNLOAD_DIR
)
for line in process.stdout:
line = line.rstrip()
with jobs_lock:
jobs[job_id]["lines"].append(line)
process.wait()
with jobs_lock:
jobs[job_id]["done"] = True
if process.returncode != 0:
jobs[job_id]["error"] = True
except Exception as e:
with jobs_lock:
jobs[job_id]["lines"].append(f"[ERROR] {str(e)}")
jobs[job_id]["done"] = True
jobs[job_id]["error"] = True
@app.route('/')
def index():
return app.send_static_file('frontend.html')
@app.route('/api/info', methods=['POST'])
def get_info():
data = request.json
url = data.get('url', '').strip()
cookies = data.get('cookies', '').strip()
if not url:
return jsonify({"error": "No URL provided"}), 400
cmd = [YTDLP_PATH, '--dump-json', '--no-playlist']
if cookies:
cmd += ['--cookies', cookies]
cmd += ['--extractor-args', 'generic:impersonate', url]
try:
result = subprocess.run(cmd, capture_output=True, text=True, timeout=30, cwd=DOWNLOAD_DIR)
if result.returncode != 0:
return jsonify({"error": result.stderr or "Failed to fetch info"}), 400
info = json.loads(result.stdout)
formats = []
for f in info.get('formats', []):
formats.append({
"id": f.get('format_id'),
"ext": f.get('ext'),
"resolution": f.get('resolution') or f.get('format_note') or '',
"vcodec": f.get('vcodec', 'none'),
"acodec": f.get('acodec', 'none'),
"filesize": f.get('filesize') or f.get('filesize_approx'),
"tbr": f.get('tbr'),
"label": f.get('format'),
})
return jsonify({
"title": info.get('title', 'Unknown'),
"thumbnail": info.get('thumbnail'),
"duration": info.get('duration'),
"uploader": info.get('uploader'),
"formats": formats
})
except subprocess.TimeoutExpired:
return jsonify({"error": "Timed out fetching video info"}), 408
except Exception as e:
return jsonify({"error": str(e)}), 500
@app.route('/api/download', methods=['POST'])
def start_download():
data = request.json
url = data.get('url', '').strip()
format_id = data.get('format_id', '').strip()
cookies = data.get('cookies', '').strip()
extra_args = data.get('extra_args', '').strip()
if not url:
return jsonify({"error": "No URL provided"}), 400
cmd = [YTDLP_PATH]
if format_id:
cmd += ['-f', format_id]
cmd += ['--prefer-free-formats']
if cookies:
cmd += ['--cookies', cookies]
cmd += ['--extractor-args', 'generic:impersonate']
if extra_args:
cmd += extra_args.split()
cmd.append(url)
job_id = str(uuid.uuid4())
thread = threading.Thread(target=run_ytdlp, args=(job_id, cmd), daemon=True)
thread.start()
return jsonify({"job_id": job_id})
@app.route('/api/status/<job_id>')
def job_status(job_id):
def generate():
sent = 0
while True:
with jobs_lock:
job = jobs.get(job_id)
if not job:
yield f"data: {json.dumps({'error': 'Job not found'})}\n\n"
break
lines = job['lines']
while sent < len(lines):
yield f"data: {json.dumps({'line': lines[sent]})}\n\n"
sent += 1
if job['done']:
yield f"data: {json.dumps({'done': True, 'error': job['error']})}\n\n"
break
time.sleep(0.2)
return Response(stream_with_context(generate()), mimetype='text/event-stream',
headers={'Cache-Control': 'no-cache', 'X-Accel-Buffering': 'no'})
if __name__ == '__main__':
print(f"[yt-dlp UI] Serving on http://localhost:5000")
print(f"[yt-dlp UI] Download directory: {DOWNLOAD_DIR}")
app.run(debug=False, host='0.0.0.0', port=5000, threaded=True)