def verify_integrity(self) -> Dict: """Verify downloaded files exist and have reasonable size""" results = 'valid': [], 'corrupt': [], 'missing': [] for filepath in self.output_dir.glob("*.mp3"): if filepath.stat().st_size < 1024: # Less than 1KB is likely corrupt results['corrupt'].append(filepath.name) else: results['valid'].append(filepath.name) return results # web_app.py from flask import Flask, render_template, request, jsonify, send_file from flask_cors import CORS import zipfile import tempfile from pathlib import Path app = Flask( name ) CORS(app) downloader = AssimilAudioDownloader()
# Generate audio URLs (example pattern - adjust based on actual source) base_url = "https://assimil-cdn.example.com/german/lesson_{}.mp3" Assimil German With Ease Audio Download
downloader = AssimilAudioDownloader(output_dir=args.output) def verify_integrity(self) ->
@app.route('/') def index(): """Main download interface""" return render_template('downloader.html') delete=False) as tmp: with zipfile.ZipFile(tmp.name
# Create temporary ZIP file with tempfile.NamedTemporaryFile(suffix='.zip', delete=False) as tmp: with zipfile.ZipFile(tmp.name, 'w') as zipf: for lesson_num in lesson_numbers: audio_file = downloader.output_dir / f"lesson_lesson_num:03d.mp3" if audio_file.exists(): zipf.write(audio_file, audio_file.name) return send_file(tmp.name, as_attachment=True, download_name='assimil_german_audio.zip') if == ' main ': app.run(debug=True, port=5000) Frontend Interface (HTML/CSS/JS) <!-- templates/downloader.html --> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Assimil German Audio Downloader</title> <style> * margin: 0; padding: 0; box-sizing: border-box; body font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; padding: 20px; .container max-width: 1200px; margin: 0 auto; background: white; border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); overflow: hidden; .header background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; text-align: center; .header h1 font-size: 2em; margin-bottom: 10px; .content padding: 30px; .download-options display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 30px; .option-card background: #f7f7f7; padding: 20px; border-radius: 10px; border: 1px solid #e0e0e0; .option-card h3 margin-bottom: 15px; color: #333; .range-selector display: flex; gap: 10px; margin-bottom: 15px; .range-selector input flex: 1; padding: 10px; border: 1px solid #ddd; border-radius: 5px; .lesson-grid display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; max-height: 400px; overflow-y: auto; padding: 15px; background: #f9f9f9; border-radius: 10px; margin-bottom: 20px; .lesson-checkbox display: flex; align-items: center; gap: 8px; padding: 8px; background: white; border-radius: 5px; cursor: pointer; transition: all 0.3s; .lesson-checkbox:hover background: #e0e0e0; .btn background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border: none; padding: 12px 24px; border-radius: 8px; cursor: pointer; font-size: 16px; transition: transform 0.2s; .btn:hover transform: translateY(-2px); .btn:disabled opacity: 0.5; cursor: not-allowed; .progress-bar width: 100%; height: 30px; background: #f0f0f0; border-radius: 15px; overflow: hidden; margin-top: 20px; .progress-fill height: 100%; background: linear-gradient(90deg, #667eea, #764ba2); transition: width 0.3s; display: flex; align-items: center; justify-content: center; color: white; font-size: 12px; .status margin-top: 20px; padding: 15px; background: #e8f5e9; border-radius: 8px; display: none; .status.success background: #c8e6c9; color: #2e7d32; .status.error background: #ffebee; color: #c62828; @keyframes spin 0% transform: rotate(0deg); 100% transform: rotate(360deg); .spinner border: 3px solid #f3f3f3; border-top: 3px solid #764ba2; border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 20px auto; </style> </head> <body> <div class="container"> <div class="header"> <h1>🎧 Assimil German With Ease</h1> <p>Download audio tracks for all 113 lessons</p> </div>
@app.route('/api/lessons', methods=['GET']) def get_lessons(): """Get list of available lessons""" lessons = [ 'id': i, 'title': f'Lesson i', 'duration': '~3 min' for i in range(1, 114) # Assimil German has 113 lessons ] return jsonify(lessons)
"course": "Assimil German With Ease", "total_lessons": 113, "audio_format": "mp3", "tracks": [ "lesson": 1, "title": "Guten Tag!", "filename": "lesson_001.mp3", "url": "https://example.com/assimil/german/lesson_001.mp3", "duration_seconds": 185 // ... continue for all 113 lessons ], "metadata": "author": "Assimil", "language": "German", "level": "Beginner to Intermediate", "total_duration_hours": 8.5