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)
<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() 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 Assimil German With Ease Audio Download
@app.route('/api/download', methods=['POST']) def download_audio(): """Download selected lessons""" data = request.json lesson_range = data.get('lesson_range', []) format_type = data.get('format', 'mp3') if args
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 let 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