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# Aniworld Web Application Development Instructions
This document provides detailed tasks for AI agents to implement a modern web application for the Aniworld anime download manager. All tasks should follow the coding guidelines specified in the project's copilot instructions.
## Project Overview
The goal is to create a FastAPI-based web application that provides a modern interface for the existing Aniworld anime download functionality. The core anime logic should remain in `SeriesApp.py` while the web layer provides REST API endpoints and a responsive UI.
## Architecture Principles
- **Single Responsibility**: Each file/class has one clear purpose
- **Dependency Injection**: Use FastAPI's dependency system
- **Clean Separation**: Web layer calls core logic, never the reverse
- **File Size Limit**: Maximum 500 lines per file
- **Type Hints**: Use comprehensive type annotations
- **Error Handling**: Proper exception handling and logging
## Additional Implementation Guidelines
### Code Style and Standards
- **Type Hints**: Use comprehensive type annotations throughout all modules
- **Docstrings**: Follow PEP 257 for function and class documentation
- **Error Handling**: Implement custom exception classes with meaningful messages
- **Logging**: Use structured logging with appropriate log levels
- **Security**: Validate all inputs and sanitize outputs
- **Performance**: Use async/await patterns for I/O operations
## 📞 Escalation
If you encounter:
- Architecture issues requiring design decisions
- Tests that conflict with documented requirements
- Breaking changes needed
- Unclear requirements or expectations
**Document the issue and escalate rather than guessing.**
---
## <20> Credentials
**Admin Login:**
- Username: `admin`
- Password: `Hallo123!`
---
## <20>📚 Helpful Commands
```bash
# Run all tests
conda run -n AniWorld python -m pytest tests/ -v --tb=short
# Run specific test file
conda run -n AniWorld python -m pytest tests/unit/test_websocket_service.py -v
# Run specific test class
conda run -n AniWorld python -m pytest tests/unit/test_websocket_service.py::TestWebSocketService -v
# Run specific test
conda run -n AniWorld python -m pytest tests/unit/test_websocket_service.py::TestWebSocketService::test_broadcast_download_progress -v
# Run with extra verbosity
conda run -n AniWorld python -m pytest tests/ -vv
# Run with full traceback
conda run -n AniWorld python -m pytest tests/ -v --tb=long
# Run and stop at first failure
conda run -n AniWorld python -m pytest tests/ -v -x
# Run tests matching pattern
conda run -n AniWorld python -m pytest tests/ -v -k "auth"
# Show all print statements
conda run -n AniWorld python -m pytest tests/ -v -s
#Run app
conda run -n AniWorld python -m uvicorn src.server.fastapi_app:app --host 127.0.0.1 --port 8000 --reload
```
---
## Implementation Notes
1. **Incremental Development**: Implement features incrementally, testing each component thoroughly before moving to the next
2. **Code Review**: Review all generated code for adherence to project standards
3. **Documentation**: Document all public APIs and complex logic
4. **Testing**: Maintain test coverage above 80% for all new code
5. **Performance**: Profile and optimize critical paths, especially download and streaming operations
6. **Security**: Regular security audits and dependency updates
7. **Monitoring**: Implement comprehensive monitoring and alerting
8. **Maintenance**: Plan for regular maintenance and updates
---
## Task Completion Checklist
For each task completed:
- [ ] Implementation follows coding standards
- [ ] Unit tests written and passing
- [ ] Integration tests passing
- [ ] Documentation updated
- [ ] Error handling implemented
- [ ] Logging added
- [ ] Security considerations addressed
- [ ] Performance validated
- [ ] Code reviewed
- [ ] Task marked as complete in instructions.md
- [ ] Infrastructure.md updated and other docs
- [ ] Changes committed to git; keep your messages in git short and clear
- [ ] Take the next task
---
## TODO List:
### High Priority - Test Failures (136 total)
#### 1. TMDB API Resilience Tests (26 failures)
**Location**: `tests/integration/test_tmdb_resilience.py`, `tests/unit/test_tmdb_rate_limiting.py`
**Issue**: `TypeError: 'coroutine' object does not support the asynchronous context manager protocol`
**Root cause**: Mock session.get() returns coroutine instead of async context manager
**Impact**: All TMDB API resilience and timeout tests failing
- [ ] Fix mock setup in TMDB resilience tests
- [ ] Fix mock setup in TMDB rate limiting tests
- [ ] Ensure AsyncMock context managers are properly configured
#### 2. Config Backup/Restore Tests (18 failures)
**Location**: `tests/integration/test_config_backup_restore.py`
**Issue**: Authentication failures (401 Unauthorized)
**Root cause**: authenticated_client fixture not properly authenticating
**Affected tests**:
- [ ] test_create_backup_with_default_name
- [ ] test_multiple_backups_can_be_created
- [ ] test_list_backups_returns_array
- [ ] test_list_backups_contains_metadata
- [ ] test_list_backups_shows_recently_created
- [ ] test_restore_nonexistent_backup_fails
- [ ] test_restore_backup_with_valid_backup
- [ ] test_restore_creates_backup_before_restoring
- [ ] test_restored_config_matches_backup
- [ ] test_delete_existing_backup
- [ ] test_delete_removes_backup_from_list
- [ ] test_delete_removes_backup_file
- [ ] test_delete_nonexistent_backup_fails
- [ ] test_full_backup_restore_workflow
- [ ] test_restore_with_invalid_backup_name
- [ ] test_concurrent_backup_operations
- [ ] test_backup_with_very_long_custom_name
- [ ] test_backup_preserves_all_configuration_sections
#### 3. Background Loader Service Tests (10 failures)
**Location**: `tests/integration/test_async_series_loading.py`, `tests/unit/test_background_loader_session.py`, `tests/integration/test_anime_add_nfo_isolation.py`
**Issues**: Service initialization, task processing, NFO loading
- [ ] test_loader_start_stop - Fix worker_task vs worker_tasks attribute
- [ ] test_add_series_loading_task - Tasks not being added to active_tasks
- [ ] test_multiple_tasks_concurrent - Active tasks not being tracked
- [ ] test_no_duplicate_tasks - No tasks registered
- [ ] test_adding_tasks_is_fast - Active tasks empty
- [ ] test_load_series_data_loads_missing_episodes - _load_episodes not called
- [ ] test_add_anime_loads_nfo_only_for_new_anime - NFO service not called
- [ ] test_add_anime_has_nfo_check_is_isolated - has_nfo check not called
- [ ] test_multiple_anime_added_each_loads_independently - NFO service call count wrong
- [ ] test_nfo_service_receives_correct_parameters - Call args is None
#### 4. Performance Tests (4 failures)
**Location**: `tests/performance/test_large_library.py`, `tests/performance/test_api_load.py`
**Issues**: Missing attributes, database not initialized, service not initialized
- [ ] test_scanner_progress_reporting_1000_series - AttributeError: '_SerieClass' missing
- [ ] test_database_query_performance_1000_series - Database not initialized
- [ ] test_concurrent_scan_prevention - get_anime_service() missing required argument
- [ ] test_health_endpoint_load - RPS too low (37.27 < 50 expected)
#### 5. NFO Tracking Tests (4 failures)
**Location**: `tests/unit/test_anime_service.py`
**Issue**: `TypeError: object MagicMock can't be used in 'await' expression`
**Root cause**: Database mocks not properly configured for async
- [ ] test_update_nfo_status_success
- [ ] test_update_nfo_status_not_found
- [ ] test_get_series_without_nfo
- [ ] test_get_nfo_statistics
#### 6. Concurrent Anime Add Tests (2 failures)
**Location**: `tests/api/test_concurrent_anime_add.py`
**Issue**: `RuntimeError: BackgroundLoaderService not initialized`
**Root cause**: Service not initialized in test setup
- [ ] test_concurrent_anime_add_requests
- [ ] test_same_anime_concurrent_add
#### 7. Other Test Failures (3 failures)
- [ ] test_get_database_session_handles_http_exception - Database not initialized
- [ ] test_anime_endpoint_returns_series_after_loading - Empty response (expects 2, got 0)
### Summary
- **Total failures**: 136 out of 2503 tests
- **Pass rate**: 94.6%
- **Main issues**:
1. AsyncMock configuration for TMDB tests
2. Authentication in backup/restore tests
3. Background loader service lifecycle
4. Database mock configuration for async operations
5. Service initialization in tests
---