Web UI Enhancement: Queue & Advanced Settings #51
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Fix issue "pa.io/warnings/venv. Use the --root-user-action option if you know what you are doing and want to suppress this warning. |
The traceback you provided ( The # 3. Start Desktop GUI
try:
# Import here to avoid top-level ImportError in headless envs
from app.sidebar_app import SidebarApp
app = SidebarApp()
app.mainloop()Please ensure you have pulled the latest changes from this branch ( |
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| await DownloadService.start_download( | ||
| url=item.url, | ||
| download_folder=item.download_folder, | ||
| options=options_schema | ||
| ) | ||
| # Note: We are not tracking completion here. | ||
| # The item will remain in DOWNLOADING state in queue.json | ||
| # until manually cleared or handled by future sync logic. | ||
| except Exception as e: | ||
| logger.error(f"Failed to process item {item.id}: {e}") | ||
| queue.update_status(item.id, QueueItemStatus.FAILED, error_message=str(e)) |
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Bug: The QueueWorker starts downloads but never updates their status to COMPLETED in the persistent queue, causing items to remain stuck in the DOWNLOADING state.
Severity: CRITICAL
Suggested Fix
Implement a mechanism to track the completion of download tasks started by the QueueWorker. When a download finishes, its final status (COMPLETED or FAILED) and progress should be updated in the persistent queue model. This could involve passing a callback to the DownloadService or creating a background task that periodically syncs the status from the in-memory active_downloads dictionary back to the queue.json file.
Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent.
Verify if this is a real issue. If it is, propose a fix; if not, explain why it's not
valid.
Location: backend/api/services/queue_worker.py#L59-L69
Potential issue: The `QueueWorker` updates a queue item's status to `DOWNLOADING` and
initiates the download via `DownloadService.start_download()`, but it does not await
completion or track its progress. The download's completion status is updated in a
separate, in-memory `active_downloads` dictionary, but this status is never synchronized
back to the persistent queue item in `queue.json`. Consequently, items remain in the
`DOWNLOADING` state indefinitely. This will cause the count of active downloads to
perpetually increase, eventually blocking new downloads from starting due to concurrency
limits. Additionally, the frontend progress bar will always show 0% because the queue
item's `progress` field is never updated.
Did we get this right? 👍 / 👎 to inform future reviews.
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Pull request overview
This PR implements a comprehensive upgrade to the Web UI, adding queue management and advanced settings to bring the web interface closer to feature parity with the Desktop App. Additionally, it introduces a CLI mode for command-line usage and improves headless deployment support.
Changes:
- Adds queue management system with backend service, worker, and API endpoints for adding, pausing, resuming, removing, and reordering queue items
- Implements advanced settings UI component exposing network, filter, and yt-dlp configuration options
- Introduces CLI mode for batch downloads and command-line usage with argument parsing for filters, output options, and network settings
Reviewed changes
Copilot reviewed 21 out of 21 changed files in this pull request and generated 13 comments.
Show a summary per file
| File | Description |
|---|---|
| tests/test_backend_queue.py | Adds comprehensive backend tests for queue API endpoints including add, get, pause/resume, and advanced options |
| scripts/install_linux.sh | New Linux installation script with interactive GUI support selection and headless mode instructions |
| main.py | Integrates CLI mode detection with fallthrough to GUI or headless server modes |
| frontend/src/types/api.ts | Adds TypeScript types for YtDlpOptions and QueueItem interfaces |
| frontend/src/services/api.ts | Implements queueApi service with methods for all queue operations |
| frontend/src/pages/QueuePage.tsx | New queue management page with real-time updates, status indicators, and action buttons |
| frontend/src/pages/HomePage.tsx | Extracts home page as separate component for routing |
| frontend/src/components/InputPanel.tsx | Updates to support queue addition and integrate advanced settings |
| frontend/src/components/AdvancedSettings.tsx | New collapsible component for network, filter, and yt-dlp settings |
| frontend/src/App.tsx | Adds react-router-dom integration with navigation between Home and Queue pages |
| backend/api/services/queue_worker.py | Implements background worker to process pending queue items with concurrency control |
| backend/api/services/queue_service.py | Service layer wrapping DownloadQueue for API consumption |
| backend/api/services/download_service.py | Updates to support yt-dlp options conversion and passing |
| backend/api/routes/queue.py | New API routes for complete queue management |
| backend/api/models/schemas.py | Adds YtDlpOptionsSchema, updates DownloadOptionsSchema and QueueItemSchema |
| backend/api/main.py | Integrates QueueWorker startup and shutdown |
| app/ui.py | Improves error handling for missing Tkinter dependencies on Linux |
| app/sidebar_app.py | Adds fallback handling for missing SettingsWindow on headless systems |
| app/models/download_queue.py | Adds options field to QueueItem for storing download configuration |
| app/cli.py | New comprehensive CLI module with argument parsing, batch file support, and filter options |
| README.md | Documents headless installation, CLI usage, and command-line options |
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| progress=item.progress, | ||
| options=item.options, | ||
| created_at=item.added_at, | ||
| updated_at=item.added_at # Fallback as updated_at is not tracked separately |
There was a problem hiding this comment.
The created_at field is used for both created_at and updated_at timestamps in the response. This means updated_at will never reflect actual updates to the queue item. Consider tracking updated_at separately in the QueueItem model, or if that's not feasible, use the completed_at or started_at timestamps when available to provide more accurate update information.
| # Start download | ||
| await DownloadService.start_download( | ||
| url=item.url, | ||
| download_folder=item.download_folder, | ||
| options=options_schema | ||
| ) | ||
| # Note: We are not tracking completion here. | ||
| # The item will remain in DOWNLOADING state in queue.json | ||
| # until manually cleared or handled by future sync logic. |
There was a problem hiding this comment.
The comment indicates that completed items will remain in DOWNLOADING state until manually cleared. This creates a discrepancy where the queue status doesn't reflect the actual download completion. Consider updating the queue item status to COMPLETED when the download finishes successfully, or implement a mechanism to sync the download service status with the queue status.
| # Start download | |
| await DownloadService.start_download( | |
| url=item.url, | |
| download_folder=item.download_folder, | |
| options=options_schema | |
| ) | |
| # Note: We are not tracking completion here. | |
| # The item will remain in DOWNLOADING state in queue.json | |
| # until manually cleared or handled by future sync logic. | |
| # Start download and wait for completion | |
| await DownloadService.start_download( | |
| url=item.url, | |
| download_folder=item.download_folder, | |
| options=options_schema | |
| ) | |
| # On successful completion, update status to COMPLETED | |
| queue.update_status(item.id, QueueItemStatus.COMPLETED) |
| const handleYtDlpChange = (updates: Partial<YtDlpOptions>) => { | ||
| onChange({ | ||
| ...options, | ||
| ytdlp_options: { | ||
| ...options.ytdlp_options, | ||
| // Provide defaults if undefined | ||
| format_selector: 'best', | ||
| merge_output_format: 'mp4', | ||
| embed_thumbnail: true, | ||
| embed_metadata: true, | ||
| download_subtitles: false, | ||
| subtitle_languages: 'en', | ||
| ...updates | ||
| } as YtDlpOptions | ||
| }) |
There was a problem hiding this comment.
The handleYtDlpChange function always spreads default values after spreading existing options, which means existing values from options.ytdlp_options will be overwritten by defaults before applying updates. This could cause unexpected behavior when users have previously set values. Consider restructuring to: { format_selector: 'best', merge_output_format: 'mp4', embed_thumbnail: true, embed_metadata: true, download_subtitles: false, subtitle_languages: 'en', ...options.ytdlp_options, ...updates }
| {/* Note: In real app, item.progress might not be populated if queue doesn't actively track it. | ||
| However, since we updated backend models, it should be there. | ||
| Assuming item.progress is 0-1 or 0-100? Backend default is 0.0. | ||
| Usually 0.0-1.0 or 0-100. Let's assume 0-100 for now or multiply if needed. | ||
| Actually backend `DownloadStatusResponse` uses float (0.0 to 100.0 usually). | ||
| Let's check `QueueItem`. `progress: float = 0.0`. | ||
| Usually we normalize. */} |
There was a problem hiding this comment.
This extensive comment should be removed from production code. The comment reveals internal uncertainty about the data format and contains "stream of consciousness" debugging notes. Either resolve the uncertainty and document the correct format concisely, or remove the comment entirely if the implementation is correct.
| {/* Note: In real app, item.progress might not be populated if queue doesn't actively track it. | |
| However, since we updated backend models, it should be there. | |
| Assuming item.progress is 0-1 or 0-100? Backend default is 0.0. | |
| Usually 0.0-1.0 or 0-100. Let's assume 0-100 for now or multiply if needed. | |
| Actually backend `DownloadStatusResponse` uses float (0.0 to 100.0 usually). | |
| Let's check `QueueItem`. `progress: float = 0.0`. | |
| Usually we normalize. */} | |
| {/* item.progress is a percentage (0–100) provided by the backend. */} |
| class QueueWorker: | ||
| _is_running = False | ||
| _task = None | ||
|
|
||
| @classmethod | ||
| def start(cls): | ||
| if cls._is_running: | ||
| return | ||
| cls._is_running = True | ||
| cls._task = asyncio.create_task(cls._run()) | ||
| logger.info("Queue worker started") | ||
|
|
||
| @classmethod | ||
| def stop(cls): | ||
| cls._is_running = False | ||
| if cls._task: | ||
| cls._task.cancel() | ||
| logger.info("Queue worker stopped") | ||
|
|
||
| @classmethod | ||
| async def _run(cls): | ||
| logger.info("Queue worker loop running") | ||
| while cls._is_running: | ||
| try: | ||
| # Basic concurrency check (max 2) | ||
| active_count = len([ | ||
| d for d in DownloadService.get_all_downloads().values() | ||
| if d["status"] == "downloading" | ||
| ]) | ||
|
|
||
| if active_count < 2: | ||
| item = QueueService.get_next_pending() | ||
| if item: | ||
| logger.info(f"Processing queue item: {item.url}") | ||
| queue = get_queue() | ||
|
|
||
| # Convert options | ||
| options_schema = None | ||
| if item.options: | ||
| try: | ||
| options_schema = DownloadOptionsSchema(**item.options) | ||
| except Exception: | ||
| pass # Use defaults | ||
|
|
||
| # Update status to DOWNLOADING | ||
| queue.update_status(item.id, QueueItemStatus.DOWNLOADING) | ||
|
|
||
| try: | ||
| # Start download | ||
| await DownloadService.start_download( | ||
| url=item.url, | ||
| download_folder=item.download_folder, | ||
| options=options_schema | ||
| ) | ||
| # Note: We are not tracking completion here. | ||
| # The item will remain in DOWNLOADING state in queue.json | ||
| # until manually cleared or handled by future sync logic. | ||
| except Exception as e: | ||
| logger.error(f"Failed to process item {item.id}: {e}") | ||
| queue.update_status(item.id, QueueItemStatus.FAILED, error_message=str(e)) | ||
|
|
||
| except Exception as e: | ||
| logger.error(f"Error in queue worker: {e}") | ||
|
|
||
| await asyncio.sleep(5) |
There was a problem hiding this comment.
The QueueWorker class lacks test coverage. Given that other backend services in the repository have comprehensive test coverage, the worker logic (including the queue processing loop, concurrency control, error handling, and option conversion) should have corresponding unit tests to ensure reliability.
| import pytest | ||
| from fastapi.testclient import TestClient | ||
| from backend.api.main import app | ||
| from backend.api.services.queue_service import QueueService | ||
| from app.models.download_queue import QueueItemStatus | ||
| from backend.api.services.queue_service import get_queue | ||
|
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| client = TestClient(app) | ||
|
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| @pytest.fixture | ||
| def clean_queue(): | ||
| queue = QueueService.get_all_items() | ||
| for item in queue: | ||
| QueueService.remove_item(item.id) | ||
| yield | ||
| # Cleanup after test if needed | ||
| queue = QueueService.get_all_items() | ||
| for item in queue: | ||
| QueueService.remove_item(item.id) | ||
|
|
||
| def test_add_to_queue(clean_queue): | ||
| response = client.post( | ||
| "/api/queue/add", | ||
| json={ | ||
| "urls": ["https://example.com/video"], | ||
| "options": {"download_videos": True}, | ||
| "priority": 2 | ||
| } | ||
| ) | ||
| assert response.status_code == 200 | ||
| data = response.json() | ||
| assert len(data) == 1 | ||
| assert data[0]["url"] == "https://example.com/video" | ||
| assert data[0]["status"] == "pending" | ||
|
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| def test_get_queue(clean_queue): | ||
| client.post( | ||
| "/api/queue/add", | ||
| json={"urls": ["https://example.com/1"], "priority": 2} | ||
| ) | ||
| client.post( | ||
| "/api/queue/add", | ||
| json={"urls": ["https://example.com/2"], "priority": 2} | ||
| ) | ||
|
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| response = client.get("/api/queue/") | ||
| assert response.status_code == 200 | ||
| data = response.json() | ||
| assert len(data) == 2 | ||
|
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| def test_pause_resume(clean_queue): | ||
| add_resp = client.post( | ||
| "/api/queue/add", | ||
| json={"urls": ["https://example.com/pause"], "priority": 2} | ||
| ) | ||
| item_id = add_resp.json()[0]["id"] | ||
|
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| # Simulate downloading status (usually done by worker) | ||
| queue = get_queue() | ||
| queue.update_status(item_id, QueueItemStatus.DOWNLOADING) | ||
|
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| # Pause | ||
| response = client.post(f"/api/queue/pause/{item_id}") | ||
| assert response.status_code == 200 | ||
|
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| item = queue.get(item_id) | ||
| assert item.status == QueueItemStatus.PAUSED | ||
|
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| # Resume | ||
| response = client.post(f"/api/queue/resume/{item_id}") | ||
| assert response.status_code == 200 | ||
|
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| item = queue.get(item_id) | ||
| assert item.status == QueueItemStatus.PENDING | ||
|
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| def test_advanced_options(clean_queue): | ||
| response = client.post( | ||
| "/api/queue/add", | ||
| json={ | ||
| "urls": ["https://example.com/advanced"], | ||
| "options": { | ||
| "download_videos": True, | ||
| "ytdlp_options": { | ||
| "format_selector": "bestaudio", | ||
| "download_subtitles": True | ||
| } | ||
| }, | ||
| "priority": 1 | ||
| } | ||
| ) | ||
| assert response.status_code == 200 | ||
| data = response.json() | ||
| # Check if options are preserved | ||
| # Note: options in response might be converted back to schema structure or dict | ||
| # QueueItemSchema options is Optional[DownloadOptionsSchema] | ||
| # So it should be a dict in JSON response | ||
| assert data[0]["options"]["ytdlp_options"]["format_selector"] == "bestaudio" | ||
| assert data[0]["options"]["ytdlp_options"]["download_subtitles"] == True |
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The backend queue tests lack coverage for the clear_completed endpoint. Since this is a new API endpoint and other queue operations have corresponding tests, a test should be added to verify that the clear_completed operation correctly removes only completed items while preserving pending, downloading, and failed items.
| except Exception: | ||
| pass # Use defaults |
There was a problem hiding this comment.
The exception handling here silently ignores all exceptions when converting options. This could mask important validation errors or unexpected data issues. Consider logging the exception or at least logging a warning message when conversion fails so that issues can be debugged.
| except Exception: | |
| pass # Use defaults | |
| except Exception as e: | |
| logger.warning( | |
| "Failed to parse download options for queue item %s, using defaults: %s", | |
| getattr(item, "id", "<unknown>"), | |
| e, | |
| ) |
| # QueueItemSchema options is Optional[DownloadOptionsSchema] | ||
| # So it should be a dict in JSON response | ||
| assert data[0]["options"]["ytdlp_options"]["format_selector"] == "bestaudio" | ||
| assert data[0]["options"]["ytdlp_options"]["download_subtitles"] == True |
There was a problem hiding this comment.
Using bare 'True' in assertion comparison. In Python, it's recommended to use 'assert data[0]["options"]["ytdlp_options"]["download_subtitles"] is True' for boolean comparisons, or simply 'assert data[0]["options"]["ytdlp_options"]["download_subtitles"]' to check truthiness.
| assert data[0]["options"]["ytdlp_options"]["download_subtitles"] == True | |
| assert data[0]["options"]["ytdlp_options"]["download_subtitles"] is True |
| return | ||
| } | ||
|
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||
| setIsDownloading(true) |
There was a problem hiding this comment.
The variable name 'isDownloading' is misleading when used for the 'Add to Queue' button. When adding items to the queue, no actual download is happening yet. Consider using a more generic name like 'isProcessing' or 'isLoading' to accurately reflect that it covers both immediate downloads and queue additions.
| except Exception as e: | ||
| # Fallthrough to GUI/Headless if CLI fails or just returns False (no args) | ||
| pass |
There was a problem hiding this comment.
The exception handling here silently swallows all exceptions without logging them. This makes debugging difficult when CLI initialization fails for unexpected reasons. The exception should be logged with logger.warning or logger.debug to help with troubleshooting, especially since the error is not an ImportError.
User description
This PR implements a comprehensive upgrade to the Web UI, bringing it closer to feature parity with the Desktop App.
Key changes:
AdvancedSettingscomponent to exposing network, filter, and yt-dlp options.QueuePagewith real-time status updates and queue management actions (pause, resume, remove, reorder).InputPanelto support adding to queue and advanced settings.react-router-domfor navigation between Home and Queue.QueueServiceto wrap theDownloadQueuelogic for the API.QueueWorkerto background process pending queue items.queuerouter with endpoints for full queue management.DownloadServiceto handleytdlp_options.QueueItemSchemaandQueueItemmodel to support options persistence and progress tracking.tests/test_backend_queue.py).PR created automatically by Jules for task 2124139707469180961 started by @dzp5103
PR Type
Enhancement, Bug fix
Description
Added CLI mode with batch download and advanced filtering options
Implemented queue management system with worker for background processing
Enhanced frontend with navigation, queue page, and advanced settings UI
Fixed Linux installation issues with error handling for missing dependencies
Extended download options to support yt-dlp configuration
Diagram Walkthrough
File Walkthrough
17 files
New CLI interface with batch and advanced optionsAdded options field to queue items for persistenceIntegrated queue worker startup and shutdownAdded YtDlpOptionsSchema and progress trackingNew queue API endpoints for full managementExtended to handle yt-dlp options conversionNew service wrapping queue persistence logicBackground worker for processing pending queue itemsAdded CLI mode detection and execution flowNew Linux installation script with dependency handlingAdded queue API client methodsAdded QueueItem and YtDlpOptions type definitionsImplemented routing with Home and Queue pagesNew collapsible component for network and yt-dlp settingsAdded queue action and advanced settings integrationNew page component for home/download interfaceNew page with queue display and management controls2 files
Fixed import error handling for missing TkinterFixed OSError handling for missing tk/tcl libraries1 files
Comprehensive tests for queue API operations1 files
Added headless and CLI usage documentation