Assimil German With Ease Audio Download Apr 2026
def download_audio(self, url: str, filename: str, progress_callback=None) -> bool: """Download single audio file with progress tracking""" try: response = self.session.get(url, stream=True) response.raise_for_status() total_size = int(response.headers.get('content-length', 0)) filepath = self.output_dir / filename downloaded = 0 with open(filepath, 'wb') as f: for chunk in response.iter_content(chunk_size=8192): if chunk: f.write(chunk) downloaded += len(chunk) if progress_callback and total_size: progress = (downloaded / total_size) * 100 progress_callback(filename, progress) return True except Exception as e: print(f"Error downloading filename: e") return False
# 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>
# cli.py import argparse import sys def main(): parser = argparse.ArgumentParser(description='Download Assimil German audio') parser.add_argument('--start', type=int, help='Start lesson number') parser.add_argument('--end', type=int, help='End lesson number') parser.add_argument('--all', action='store_true', help='Download all lessons') parser.add_argument('--output', default='./audio', help='Output directory') parser.add_argument('--quality', choices=['low', 'high'], default='high')
I'll help you develop a feature for downloading audio files for "Assimil German With Ease." This feature would allow users to download lesson audio tracks from the Assimil language learning course. Core Components # audio_downloader.py import requests import os import json from pathlib import Path from typing import List, Dict, Optional import hashlib from concurrent.futures import ThreadPoolExecutor import threading class AssimilAudioDownloader: """Download manager for Assimil German With Ease audio tracks""" Assimil German With Ease Audio Download
def download_lesson_range(self, start_lesson: int, end_lesson: int, base_url_template: str) -> List[Dict]: """Download a range of lessons""" results = [] for lesson_num in range(start_lesson, end_lesson + 1): audio_url = base_url_template.format(lesson_num) filename = f"lesson_lesson_num:03d.mp3" print(f"Downloading Lesson lesson_num...") success = self.download_audio(audio_url, filename) results.append( 'lesson': lesson_num, 'filename': filename, 'success': success, 'url': audio_url ) return results
@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)
results = downloader.download_lesson_range( start_lesson=min(lesson_range), end_lesson=max(lesson_range), base_url_template=base_url ) continue for all 113 lessons ], "metadata": "author":
<script> let lessons = []; // Populate lesson grid for (let i = 1; i <= 113; i++) lessons.push( id: i, title: `Lesson $i`, selected: false ); function renderLessonGrid() const grid = document.getElementById('lessonGrid'); grid.innerHTML = lessons.map(lesson => ` <label class="lesson-checkbox"> <input type="checkbox" value="$lesson.id" onchange="toggleLesson($lesson.id, this.checked)" $lesson.selected ? 'checked' : ''> <span>$lesson.title</span> </label> `).join(''); function toggleLesson(id, checked) const lesson = lessons.find(l => l.id === id); if (lesson) lesson.selected = checked; function selectAll() lessons.forEach(lesson => lesson.selected = true); renderLessonGrid(); function clearSelection() lessons.forEach(lesson => lesson.selected = false); renderLessonGrid(); function selectFirstHalf() lessons.forEach(lesson => lesson.selected = lesson.id <= 56); renderLessonGrid(); function selectSecondHalf() lessons.forEach(lesson => lesson.selected = lesson.id >= 57); renderLessonGrid(); function getSelectedLessons() return lessons.filter(l => l.selected).map(l => l.id); function showStatus(message, type = 'success') const statusDiv = document.getElementById('status'); statusDiv.textContent = message; statusDiv.className = `status $type`; statusDiv.style.display = 'block'; setTimeout(() => statusDiv.style.display = 'none'; , 5000); async function downloadRange() start > end) showStatus('Please enter a valid lesson range (1-113)', 'error'); return; // Select lessons in range lessons.forEach(lesson => lesson.selected = lesson.id >= start && lesson.id <= end; ); renderLessonGrid(); await downloadSelected(); async function downloadSelected() const selected = getSelectedLessons(); if (selected.length === 0) showStatus('Please select at least one lesson', 'error'); return; const progressBar = document.getElementById('progressBar'); const progressFill = document.getElementById('progressFill'); progressBar.style.display = 'block'; try const response = await fetch('/api/download', method: 'POST', headers: 'Content-Type': 'application/json', body: JSON.stringify(lesson_range: selected) ); const result = await response.json(); if (result.success) showStatus(`Successfully downloaded $result.downloaded audio files!`); else showStatus('Download failed', 'error'); catch (error) showStatus('Network error: ' + error.message, 'error'); finally progressBar.style.display = 'none'; progressFill.style.width = '0%'; async function downloadAsZip() const selected = getSelectedLessons(); if (selected.length === 0) showStatus('Please select at least one lesson', 'error'); return; showStatus('Creating ZIP archive...', 'success'); try const response = await fetch('/api/download-zip', method: 'POST', headers: 'Content-Type': 'application/json', body: JSON.stringify(lessons: selected) ); const blob = await response.blob(); const url = window.URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = `assimil_german_lessons_$selected[0]-$selected[selected.length-1].zip`; document.body.appendChild(a); a.click(); document.body.removeChild(a); window.URL.revokeObjectURL(url); showStatus(`ZIP archive created with $selected.length lessons!`); catch (error) showStatus('Failed to create ZIP: ' + error.message, 'error'); // Initialize renderLessonGrid(); </script> </body> </html> // lesson_manifest.json
args = parser.parse_args()
if args.all: print("Downloading all 113 lessons...") results = downloader.download_lesson_range(1, 113, "https://cdn.assimil.com/german/lesson_{}.mp3") elif args.start and args.end: results = downloader.download_lesson_range(args.start, args.end, "https://cdn.assimil.com/german/lesson_{}.mp3") else: parser.print_help() sys.exit(1) continue for all 113 lessons ]
return jsonify( 'success': True, 'downloaded': len([r for r in results if r['success']]), 'files': results ) @app.route('/api/download-zip', methods=['POST']) def download_as_zip(): """Download multiple lessons as ZIP archive""" data = request.json lesson_numbers = data.get('lessons', [])
def __init__(self, output_dir: str = "./assimil_audio"): self.output_dir = Path(output_dir) self.output_dir.mkdir(exist_ok=True) self.session = requests.Session() self.session.headers.update( 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36' ) def load_lesson_data(self, json_file: str) -> Dict: """Load lesson metadata from JSON configuration""" with open(json_file, 'r', encoding='utf-8') as f: return json.load(f)
"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