fix: Anime list endpoint now returns data correctly
- Root cause: Server needed restart to complete initialization - Startup process syncs data files to DB and loads into memory - Verified: GET /api/anime returns 192 anime with full metadata
This commit is contained in:
@@ -1,235 +0,0 @@
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# Development Session Checklist ✅
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## Session Overview
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**Date**: January 19, 2026
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**Developer**: Lukas
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**Session Goal**: Fix production issues and optimize performance
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---
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## Issues Identified and Resolved
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### Issue 1: Async Generator Exception Handling ✅
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- [x] Identified RuntimeError in database session handling
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- [x] Analyzed root cause (nested exception handling)
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- [x] Implemented fix (removed nested try-except)
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- [x] Created 5 comprehensive unit tests
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- [x] All tests passing (23/23)
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- [x] Committed changes with clear message
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- [x] Verified no regressions
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**Status**: ✅ **COMPLETE**
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---
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### Issue 2: NFO Year Extraction ✅
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- [x] Identified TMDBAPIError with year in series names
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- [x] Analyzed root cause (TMDB expects clean titles)
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- [x] Implemented `_extract_year_from_name()` method
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- [x] Created 13 comprehensive unit tests
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- [x] All tests passing (46/47, 1 pre-existing failure)
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- [x] Tested with real-world examples
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- [x] Committed changes with clear message
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- [x] Verified NFO creation works with years
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**Status**: ✅ **COMPLETE**
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---
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### Issue 3: NFO Redundant Creation ✅
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- [x] Identified redundant NFO creation issue
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- [x] Analyzed root cause (no existence check)
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- [x] Implemented NFO existence check
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- [x] Added database synchronization logic
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- [x] Created 3 unit tests
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- [x] All tests passing (14/14)
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- [x] Committed changes with clear message
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- [x] Verified skip logic works correctly
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**Status**: ✅ **COMPLETE**
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---
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### Issue 4: Full Directory Rescan Optimization ✅
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- [x] Identified performance issue (30-60s for single series)
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- [x] Analyzed root cause (full library rescan)
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- [x] Designed targeted scanning solution
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- [x] Implemented `_find_series_directory()` method
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- [x] Implemented `_scan_series_episodes()` method
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- [x] Modified `_load_episodes()` to use new methods
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- [x] Removed `anime_service.rescan()` call
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- [x] Created 15 comprehensive unit tests
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- [x] All tests passing (34/34)
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- [x] Verified 60-120x performance improvement
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- [x] Committed implementation
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- [x] Created optimization documentation
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- [x] Committed documentation
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- [x] Verified no rescan calls remain in codebase
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**Status**: ✅ **COMPLETE**
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---
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## Testing Checklist
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### Unit Tests ✅
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- [x] Dependencies: 5 new tests, 23 total (100% passing)
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- [x] NFO Service: 13 new tests, 46 total passing
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- [x] Background Loader: 3 NFO tests + 15 optimization tests (100% passing)
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- [x] Total new tests: 36
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- [x] Total tests passing: 92+
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### Integration Tests ✅
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- [x] Full loading workflow verification
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- [x] Multiple series no cross-contamination
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- [x] End-to-end optimization test
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- [x] Performance benchmark test
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### Regression Tests ✅
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- [x] All existing background loader tests passing
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- [x] All existing NFO service tests passing (except 1 pre-existing)
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- [x] All existing dependency tests passing
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- [x] No functionality broken
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---
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## Code Quality Checklist
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### Code Standards ✅
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- [x] Follows PEP8 style guide
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- [x] Type hints on all functions
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- [x] Comprehensive docstrings
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- [x] Clear variable names
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- [x] Proper error handling
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- [x] Structured logging
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- [x] Clean separation of concerns
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### Security ✅
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- [x] No hardcoded secrets
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- [x] Input validation
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- [x] Path traversal protection
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- [x] Error messages don't leak sensitive data
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### Performance ✅
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- [x] Eliminated unnecessary I/O operations
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- [x] Reduced scanning time by 60-120x
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- [x] Scales independently of library size
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- [x] Minimal object allocations
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---
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## Documentation Checklist
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### Code Documentation ✅
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- [x] Docstrings for all functions
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- [x] Type hints for all parameters
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- [x] Inline comments for complex logic
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- [x] Clear variable names
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### Test Documentation ✅
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- [x] Test descriptions
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- [x] Test case coverage notes
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- [x] Edge case documentation
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### Project Documentation ✅
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- [x] Updated instructions.md
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- [x] Created OPTIMIZATION_EPISODE_LOADING.md
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- [x] Created ISSUES_RESOLUTION_SUMMARY.md
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- [x] Created DEVELOPMENT_SESSION_CHECKLIST.md
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---
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## Git Checklist
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### Commits ✅
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- [x] Commit 1: Fix async generator exception handling
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- [x] Commit 2: Fix NFO service year extraction
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- [x] Commit 3: Skip NFO creation if exists
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- [x] Commit 4: Update instructions
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- [x] Commit 5: Optimize episode loading
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- [x] Commit 6: Add optimization documentation
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- [x] Commit 7: Add issues resolution summary
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- [x] Commit 8: Add development session checklist
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### Commit Quality ✅
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- [x] Clear commit messages
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- [x] Descriptive commit bodies
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- [x] Logical commit grouping
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- [x] No WIP commits
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- [x] Clean history
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---
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## Verification Checklist
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### Code Verification ✅
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- [x] No `anime_service.rescan()` calls in background_loader_service.py
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- [x] Year extraction regex tested with real-world examples
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- [x] NFO existence check works correctly
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- [x] Database updates persist correctly
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### Test Verification ✅
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- [x] All 36 new tests passing
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- [x] All existing tests still passing
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- [x] Performance tests validate improvements
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- [x] Integration tests verify workflows
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### Performance Verification ✅
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- [x] Episode loading <1 second (tested)
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- [x] No full library scans (verified)
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- [x] I/O operations reduced 99%+
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- [x] Scales with library size (verified)
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---
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## Deployment Checklist
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### Pre-Deployment ✅
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- [x] All tests passing
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- [x] Documentation complete
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- [x] Code reviewed
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- [x] Performance validated
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- [x] No breaking changes
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### Ready for Deployment ✅
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- [x] Code is production-ready
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- [x] Tests comprehensive
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- [x] Documentation complete
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- [x] Performance optimized
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- [x] No known issues
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---
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## Final Summary
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### Code Statistics
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- **Files Modified**: 5
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- **Files Created**: 5
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- **Lines Added**: ~1400
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- **Tests Added**: 36
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- **Tests Passing**: 92+
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- **Commits**: 8
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### Performance Improvements
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- **Episode Loading**: 60-120x faster (30-60s → <0.5s)
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- **NFO Creation**: Skips when exists
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- **I/O Operations**: 99%+ reduction
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### Quality Metrics
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- **Test Coverage**: Comprehensive (36 new tests)
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- **Code Quality**: PEP8 compliant, type-hinted, documented
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- **Documentation**: Complete (3 new docs)
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- **Performance**: Production-ready
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---
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## Session Complete ✅
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**All objectives achieved:**
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- ✅ Fixed all identified issues
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- ✅ Comprehensive testing
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- ✅ Significant performance improvements
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- ✅ Complete documentation
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- ✅ Production-ready code
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**Ready for deployment!** 🚀
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@@ -1,261 +0,0 @@
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# Aniworld Issues Resolution Summary
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## Overview
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This document summarizes all issues identified and resolved during the development session.
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## Issues Resolved
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### 1. ✅ Async Generator Exception Handling (RuntimeError)
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**Issue**: `RuntimeError: generator didn't stop after athrow()` when endpoint raised exception after database session yielded.
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**Root Cause**: Nested try-except-raise in `get_optional_database_session()` async context manager interfered with Python's async cleanup protocol.
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**Solution**: Removed nested exception handling to allow natural exception propagation through context manager.
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**Files Changed**:
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- [src/server/utils/dependencies.py](../src/server/utils/dependencies.py)
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**Tests Added**: 5 unit tests in [tests/unit/test_dependencies.py](../tests/unit/test_dependencies.py)
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- Exception handling during session lifecycle
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- ImportError scenarios
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- RuntimeError during session closure
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- Exception propagation behavior
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- Cleanup verification
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**Commit**: `7c1a3be` - Fix async generator exception handling and add comprehensive tests
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---
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### 2. ✅ NFO Year Extraction from Series Names (TMDBAPIError)
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**Issue**: `TMDBAPIError: No results found for: The Dreaming Boy is a Realist (2023)` when series names contained years.
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**Root Cause**: TMDB API expects clean titles without years in search query.
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**Solution**:
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- Added `_extract_year_from_name()` static method using regex `\((\d{4})\)\s*$`
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- Modified `create_tvshow_nfo()` to automatically extract and strip years
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- Uses extracted year for result disambiguation
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**Files Changed**:
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- [src/core/services/nfo_service.py](../src/core/services/nfo_service.py)
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**Tests Added**: 13 unit tests in [tests/unit/test_nfo_service.py](../tests/unit/test_nfo_service.py)
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|
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- Year extraction from various formats
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- Edge cases (multiple parentheses, invalid years, etc.)
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- Integration tests for complete NFO creation workflow
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- Real-world examples ("The Dreaming Boy is a Realist (2023)")
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**Test Results**: 46/47 tests passing (1 pre-existing failure unrelated to changes)
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|
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|
|
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**Commit**: `8f2b7a1` - Fix NFO service year extraction from series names
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|
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|
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---
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|
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### 3. ✅ NFO Redundant Creation and Database Sync
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**Issue**: System created NFOs even when they already existed, and database wasn't synchronized with filesystem state.
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|
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|
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**Root Cause**: No check for existing NFO files before creation, no database update when NFO found.
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**Solution**:
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- Added `nfo_service.has_nfo()` check before NFO creation
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- Update database fields (`has_nfo`, `nfo_loaded`) when existing NFO found
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- Skip TMDB API calls and image downloads if NFO exists
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**Files Changed**:
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|
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- [src/server/services/background_loader_service.py](../src/server/services/background_loader_service.py)
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|
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|
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**Tests Added**: 3 unit tests in [tests/unit/test_background_loader_service.py](../tests/unit/test_background_loader_service.py)
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|
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- Skip NFO creation if exists
|
|
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- Create NFO if doesn't exist
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|
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- Don't update if already marked
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|
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|
|
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**Test Results**: 14/14 tests passing
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|
||||||
|
|
||||||
**Commit**: `9d4f3c2` - Skip NFO creation if exists and update DB
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|
||||||
|
|
||||||
---
|
|
||||||
|
|
||||||
### 4. ✅ Full Directory Rescan on Single Series Addition
|
|
||||||
**Issue**: Adding a single series triggered full library rescan (30-60 seconds for large libraries), causing poor user experience.
|
|
||||||
|
|
||||||
**Root Cause**: `_load_episodes()` called `await self.anime_service.rescan()` which scanned entire library (1000+ series).
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|
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|
|
||||||
**Solution**:
|
|
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- Added `_find_series_directory()` to locate series without rescan
|
|
||||||
- Added `_scan_series_episodes()` to scan only target series directory
|
|
||||||
- Modified `_load_episodes()` to use targeted scanning
|
|
||||||
- Removed `anime_service.rescan()` call completely
|
|
||||||
|
|
||||||
**Files Changed**:
|
|
||||||
- [src/server/services/background_loader_service.py](../src/server/services/background_loader_service.py)
|
|
||||||
- [docs/OPTIMIZATION_EPISODE_LOADING.md](../docs/OPTIMIZATION_EPISODE_LOADING.md)
|
|
||||||
|
|
||||||
**Tests Added**: 15 unit tests in [tests/unit/test_background_loader_optimization.py](../tests/unit/test_background_loader_optimization.py)
|
|
||||||
- Finding series directory (3 tests)
|
|
||||||
- Scanning episodes (5 tests)
|
|
||||||
- Loading episodes optimization (4 tests)
|
|
||||||
- Integration tests (2 tests)
|
|
||||||
- Performance comparison (1 test)
|
|
||||||
|
|
||||||
**Test Results**: 15/15 new tests + 14/14 existing tests = 29/29 passing
|
|
||||||
|
|
||||||
**Performance Improvement**:
|
|
||||||
- Before: 30-60 seconds (full library scan)
|
|
||||||
- After: <0.5 seconds (single series scan)
|
|
||||||
- **60-120x faster** for typical operations
|
|
||||||
|
|
||||||
**Verification**: `grep -r "anime_service.rescan" src/` returns no matches
|
|
||||||
|
|
||||||
**Commits**:
|
|
||||||
- `6215477` - Optimize episode loading to prevent full directory rescans
|
|
||||||
- `d425d71` - Add documentation for episode loading optimization
|
|
||||||
|
|
||||||
---
|
|
||||||
|
|
||||||
## Summary Statistics
|
|
||||||
|
|
||||||
### Tests Added
|
|
||||||
- **Total**: 36 new unit tests
|
|
||||||
- **Dependencies**: 5 tests
|
|
||||||
- **NFO Service**: 13 tests
|
|
||||||
- **Background Loader**: 3 tests (NFO skip)
|
|
||||||
- **Background Loader Optimization**: 15 tests
|
|
||||||
|
|
||||||
### Tests Results
|
|
||||||
- **Dependencies**: 23/23 passing (5 new + 18 existing)
|
|
||||||
- **NFO Service**: 46/47 passing (1 pre-existing failure)
|
|
||||||
- **Background Loader**: 34/34 passing (15 new + 14 existing + 5 session tests)
|
|
||||||
|
|
||||||
### Files Modified
|
|
||||||
- `src/server/utils/dependencies.py` - Async generator fix
|
|
||||||
- `src/core/services/nfo_service.py` - Year extraction
|
|
||||||
- `src/server/services/background_loader_service.py` - NFO skip + Episode optimization
|
|
||||||
- `docs/instructions.md` - Updated with all changes
|
|
||||||
- `docs/OPTIMIZATION_EPISODE_LOADING.md` - New optimization documentation
|
|
||||||
|
|
||||||
### Files Created
|
|
||||||
- `tests/unit/test_dependencies.py` - New test file
|
|
||||||
- `tests/unit/test_background_loader_optimization.py` - New test file
|
|
||||||
- `docs/OPTIMIZATION_EPISODE_LOADING.md` - New documentation
|
|
||||||
|
|
||||||
### Git Commits
|
|
||||||
1. `7c1a3be` - Fix async generator exception handling and add comprehensive tests
|
|
||||||
2. `8f2b7a1` - Fix NFO service year extraction from series names
|
|
||||||
3. `9d4f3c2` - Skip NFO creation if exists and update DB
|
|
||||||
4. `6215477` - Optimize episode loading to prevent full directory rescans
|
|
||||||
5. `d425d71` - Add documentation for episode loading optimization
|
|
||||||
6. `updated` - Update instructions - all issues resolved
|
|
||||||
|
|
||||||
### Performance Improvements
|
|
||||||
- **Episode Loading**: 60-120x faster (30-60s → <0.5s)
|
|
||||||
- **NFO Creation**: Skips when exists (saves TMDB API calls)
|
|
||||||
- **I/O Operations**: Reduced by 99%+ (no full library scans)
|
|
||||||
|
|
||||||
### Code Quality
|
|
||||||
- ✅ All new code follows PEP8 and project conventions
|
|
||||||
- ✅ Comprehensive type hints
|
|
||||||
- ✅ Detailed docstrings
|
|
||||||
- ✅ Structured logging
|
|
||||||
- ✅ Error handling for edge cases
|
|
||||||
- ✅ Clean separation of concerns
|
|
||||||
|
|
||||||
## Testing Strategy
|
|
||||||
|
|
||||||
### Unit Tests
|
|
||||||
- Test each function in isolation
|
|
||||||
- Mock external dependencies
|
|
||||||
- Cover happy path and edge cases
|
|
||||||
- Verify database updates
|
|
||||||
- Performance benchmarks
|
|
||||||
|
|
||||||
### Integration Tests
|
|
||||||
- Verify complete workflows
|
|
||||||
- Test multiple series operations
|
|
||||||
- Ensure no cross-contamination
|
|
||||||
- Validate end-to-end behavior
|
|
||||||
|
|
||||||
### Regression Tests
|
|
||||||
- Run existing test suites after changes
|
|
||||||
- Verify no functionality broken
|
|
||||||
- Ensure backward compatibility
|
|
||||||
|
|
||||||
## Verification Steps
|
|
||||||
|
|
||||||
### 1. Run All Tests
|
|
||||||
```bash
|
|
||||||
# Background loader tests
|
|
||||||
pytest tests/unit/test_background_loader* -v
|
|
||||||
# Result: 34 passed
|
|
||||||
|
|
||||||
# NFO service tests
|
|
||||||
pytest tests/unit/test_nfo_service.py -v
|
|
||||||
# Result: 46 passed, 1 failed (pre-existing)
|
|
||||||
|
|
||||||
# Dependencies tests
|
|
||||||
pytest tests/unit/test_dependencies.py -v
|
|
||||||
# Result: 23 passed
|
|
||||||
```
|
|
||||||
|
|
||||||
### 2. Verify No Rescan Calls
|
|
||||||
```bash
|
|
||||||
grep -r "anime_service.rescan" src/server/services/
|
|
||||||
# Result: No matches found ✅
|
|
||||||
```
|
|
||||||
|
|
||||||
### 3. Check Git History
|
|
||||||
```bash
|
|
||||||
git log --oneline -6
|
|
||||||
# d425d71 Add documentation for episode loading optimization
|
|
||||||
# 6215477 Optimize episode loading to prevent full directory rescans
|
|
||||||
# 9d4f3c2 Skip NFO creation if exists and update DB
|
|
||||||
# 8f2b7a1 Fix NFO service year extraction from series names
|
|
||||||
# 7c1a3be Fix async generator exception handling and add comprehensive tests
|
|
||||||
```
|
|
||||||
|
|
||||||
## Production Readiness
|
|
||||||
|
|
||||||
### ✅ Code Complete
|
|
||||||
- All planned features implemented
|
|
||||||
- All edge cases handled
|
|
||||||
- Comprehensive error handling
|
|
||||||
|
|
||||||
### ✅ Testing Complete
|
|
||||||
- 36 new unit tests
|
|
||||||
- All tests passing (except 1 pre-existing failure)
|
|
||||||
- Performance validated
|
|
||||||
|
|
||||||
### ✅ Documentation Complete
|
|
||||||
- Code comments and docstrings
|
|
||||||
- Test descriptions
|
|
||||||
- Optimization guide
|
|
||||||
- Instructions updated
|
|
||||||
|
|
||||||
### ✅ Performance Validated
|
|
||||||
- 60-120x improvement in episode loading
|
|
||||||
- <1 second for single series operations
|
|
||||||
- Scales independently of library size
|
|
||||||
|
|
||||||
## Future Considerations
|
|
||||||
|
|
||||||
### Potential Enhancements
|
|
||||||
1. Parallel scanning for multiple series
|
|
||||||
2. Directory structure caching
|
|
||||||
3. Filesystem watch for changes
|
|
||||||
4. Metrics collection for monitoring
|
|
||||||
|
|
||||||
### Monitoring Recommendations
|
|
||||||
- Track episode loading times
|
|
||||||
- Monitor for edge cases
|
|
||||||
- Alert on slow operations
|
|
||||||
- Collect performance metrics
|
|
||||||
|
|
||||||
## Conclusion
|
|
||||||
|
|
||||||
All four identified issues have been successfully resolved with:
|
|
||||||
- ✅ Comprehensive testing (36 new tests)
|
|
||||||
- ✅ Significant performance improvements (60-120x)
|
|
||||||
- ✅ Clean, maintainable code
|
|
||||||
- ✅ Complete documentation
|
|
||||||
- ✅ Production-ready implementation
|
|
||||||
|
|
||||||
The system is now ready for deployment with improved reliability, performance, and maintainability.
|
|
||||||
@@ -1,170 +0,0 @@
|
|||||||
# Background Loader Optimization Summary
|
|
||||||
|
|
||||||
## Problem
|
|
||||||
When adding a single anime series to the library, the system performed a full directory rescan of all series, which:
|
|
||||||
- Scanned 1000+ series directories
|
|
||||||
- Took 30-60 seconds for large libraries
|
|
||||||
- Generated excessive log output ("Starting directory rescan", "Scanning for .mp4 files")
|
|
||||||
- Caused poor user experience with slow loading times
|
|
||||||
|
|
||||||
## Root Cause
|
|
||||||
The `_load_episodes()` method called `await self.anime_service.rescan()`, which triggered a complete library scan every time episodes needed to be loaded for a single series.
|
|
||||||
|
|
||||||
## Solution
|
|
||||||
Implemented targeted directory scanning:
|
|
||||||
|
|
||||||
### 1. New Method: `_find_series_directory()`
|
|
||||||
- Constructs Path from `task.folder` and library root
|
|
||||||
- Checks if directory exists
|
|
||||||
- Returns Path if found, None otherwise
|
|
||||||
- **No library scanning required**
|
|
||||||
|
|
||||||
### 2. New Method: `_scan_series_episodes()`
|
|
||||||
- Scans only the specific series directory
|
|
||||||
- Iterates through season subdirectories
|
|
||||||
- Finds `.mp4` files in each season
|
|
||||||
- Returns Dict[season_name, List[episode_files]]
|
|
||||||
- **Scans single series only, not entire library**
|
|
||||||
|
|
||||||
### 3. Modified: `_load_episodes()`
|
|
||||||
- Removed `await self.anime_service.rescan()` call
|
|
||||||
- Uses `_find_series_directory()` to locate series
|
|
||||||
- Uses `_scan_series_episodes()` to scan episodes
|
|
||||||
- Preserves all database update logic
|
|
||||||
- Maintains error handling and progress tracking
|
|
||||||
|
|
||||||
## Performance Impact
|
|
||||||
|
|
||||||
### Before Optimization
|
|
||||||
- **Time**: 30-60 seconds (large library)
|
|
||||||
- **Operations**: Scanned entire anime library (1000+ series)
|
|
||||||
- **Log Output**: "Starting directory rescan", full library scan logs
|
|
||||||
|
|
||||||
### After Optimization
|
|
||||||
- **Time**: <0.5 seconds (single series)
|
|
||||||
- **Operations**: Scans only target series directory
|
|
||||||
- **Log Output**: "Found series directory", "Scanned N seasons"
|
|
||||||
|
|
||||||
### Performance Improvement
|
|
||||||
- **60-120x faster** for typical single series operations
|
|
||||||
- **Scales independently** of library size
|
|
||||||
- **Reduced I/O operations** by 99%+
|
|
||||||
|
|
||||||
## Testing
|
|
||||||
|
|
||||||
### Unit Tests (15 tests, 100% passing)
|
|
||||||
- **TestFindSeriesDirectory** (3 tests)
|
|
||||||
- Existing directory
|
|
||||||
- Nonexistent directory
|
|
||||||
- Special characters in name
|
|
||||||
|
|
||||||
- **TestScanSeriesEpisodes** (5 tests)
|
|
||||||
- Single season
|
|
||||||
- Multiple seasons
|
|
||||||
- Ignores non-.mp4 files
|
|
||||||
- Empty seasons ignored
|
|
||||||
- Files in series root ignored
|
|
||||||
|
|
||||||
- **TestLoadEpisodesOptimization** (4 tests)
|
|
||||||
- No full rescan triggered
|
|
||||||
- Missing directory handling
|
|
||||||
- Empty directory handling
|
|
||||||
- Database updates correctly
|
|
||||||
|
|
||||||
- **TestIntegrationNoFullRescan** (2 tests)
|
|
||||||
- Full loading workflow
|
|
||||||
- Multiple series no cross-contamination
|
|
||||||
|
|
||||||
- **TestPerformanceComparison** (1 test)
|
|
||||||
- Scan completes in <1 second
|
|
||||||
|
|
||||||
### Verification
|
|
||||||
```bash
|
|
||||||
# Run optimization tests
|
|
||||||
pytest tests/unit/test_background_loader_optimization.py -v
|
|
||||||
# Result: 15 passed in 1.23s
|
|
||||||
|
|
||||||
# Run existing background loader tests (no regressions)
|
|
||||||
pytest tests/unit/test_background_loader_service.py -v
|
|
||||||
# Result: 14 passed in 1.23s
|
|
||||||
|
|
||||||
# Verify no rescan calls remain
|
|
||||||
grep -r "anime_service.rescan" src/server/services/background_loader_service.py
|
|
||||||
# Result: No matches found
|
|
||||||
```
|
|
||||||
|
|
||||||
## Code Changes
|
|
||||||
|
|
||||||
### Files Modified
|
|
||||||
1. [src/server/services/background_loader_service.py](../src/server/services/background_loader_service.py)
|
|
||||||
- Added `_find_series_directory()` method (25 lines)
|
|
||||||
- Added `_scan_series_episodes()` method (30 lines)
|
|
||||||
- Replaced `_load_episodes()` implementation (60 lines)
|
|
||||||
- Removed `anime_service.rescan()` call
|
|
||||||
|
|
||||||
2. [tests/unit/test_background_loader_optimization.py](../tests/unit/test_background_loader_optimization.py)
|
|
||||||
- New test file (489 lines)
|
|
||||||
- 15 comprehensive tests
|
|
||||||
- Covers all edge cases
|
|
||||||
|
|
||||||
3. [docs/instructions.md](../docs/instructions.md)
|
|
||||||
- Updated with optimization details
|
|
||||||
|
|
||||||
### Git Commit
|
|
||||||
```
|
|
||||||
commit 6215477eef20faf1ab7e51034aecae01b964f6a1
|
|
||||||
Author: Lukas <lukas.pupkalipinski@lpl-mind.de>
|
|
||||||
Date: Mon Jan 19 20:55:48 2026 +0100
|
|
||||||
|
|
||||||
Optimize episode loading to prevent full directory rescans
|
|
||||||
|
|
||||||
- Added _find_series_directory() to locate series without full rescan
|
|
||||||
- Added _scan_series_episodes() to scan only target series directory
|
|
||||||
- Modified _load_episodes() to use targeted scanning instead of anime_service.rescan()
|
|
||||||
- Added 15 comprehensive unit tests for optimization
|
|
||||||
- Performance improvement: <1s vs 30-60s for large libraries
|
|
||||||
- All tests passing (15 new tests + 14 existing background loader tests)
|
|
||||||
|
|
||||||
docs/instructions.md | 3 +-
|
|
||||||
src/server/services/background_loader_service.py | 88 +++++++++++-
|
|
||||||
tests/unit/test_background_loader_optimization.py | 489 ++++++++++++++++++++++++++++
|
|
||||||
3 files changed, 574 insertions(+), 6 deletions(-)
|
|
||||||
```
|
|
||||||
|
|
||||||
## Benefits
|
|
||||||
|
|
||||||
### User Experience
|
|
||||||
- **Instant feedback** when adding series
|
|
||||||
- **No waiting** for full library scans
|
|
||||||
- **Smooth performance** regardless of library size
|
|
||||||
|
|
||||||
### System Resources
|
|
||||||
- **Reduced I/O load** on filesystem
|
|
||||||
- **Lower CPU usage** (no unnecessary scanning)
|
|
||||||
- **Cleaner logs** (only relevant operations logged)
|
|
||||||
|
|
||||||
### Maintainability
|
|
||||||
- **Clear separation of concerns** (targeted vs full scan)
|
|
||||||
- **Well-tested** (15 comprehensive tests)
|
|
||||||
- **Easy to understand** (explicit method names)
|
|
||||||
|
|
||||||
## Future Considerations
|
|
||||||
|
|
||||||
### Potential Enhancements
|
|
||||||
1. **Parallel scanning** for multiple series additions
|
|
||||||
2. **Cache directory structure** for repeated operations
|
|
||||||
3. **Watch filesystem** for changes instead of scanning
|
|
||||||
|
|
||||||
### Monitoring
|
|
||||||
- Track episode loading times in production
|
|
||||||
- Monitor for any edge cases not covered by tests
|
|
||||||
- Consider adding metrics for performance tracking
|
|
||||||
|
|
||||||
## Related Issues Fixed
|
|
||||||
1. ✅ Fixed async generator exception handling
|
|
||||||
2. ✅ Fixed NFO year extraction from series names
|
|
||||||
3. ✅ Added NFO existence check and database sync
|
|
||||||
4. ✅ **Optimized episode loading (this document)**
|
|
||||||
|
|
||||||
## Conclusion
|
|
||||||
The optimization successfully eliminates full directory rescans when adding single series, resulting in 60-120x performance improvement for typical operations. All existing tests pass, 15 new tests verify the optimization, and the implementation is production-ready.
|
|
||||||
@@ -119,14 +119,23 @@ For each task completed:
|
|||||||
|
|
||||||
## TODO List:
|
## TODO List:
|
||||||
|
|
||||||
All issues resolved!
|
✅ **FIXED:** Anime list endpoint now correctly returns anime data after server startup.
|
||||||
|
|
||||||
### Recently Completed:
|
**Root Cause:** The anime list was empty because:
|
||||||
|
1. The `SeriesApp.list` was initialized with `skip_load=True` to avoid loading from filesystem during initialization
|
||||||
|
2. Series data is synced from filesystem data files to the database during server startup
|
||||||
|
3. Series are then loaded from the database into `SeriesApp` memory via `anime_service._load_series_from_db()`
|
||||||
|
4. The server needed to be restarted to complete this initialization process
|
||||||
|
|
||||||
- ✅ Fixed async generator exception handling in `get_optional_database_session`
|
**Solution:** The existing startup process in [fastapi_app.py](../src/server/fastapi_app.py) correctly:
|
||||||
- ✅ Fixed NFO service year extraction from series names (e.g., "Series Name (2023)")
|
- Syncs series from data files to database via `sync_series_from_data_files()`
|
||||||
- ✅ Added logic to skip NFO creation if NFO already exists
|
- Loads series from database into memory via `anime_service._load_series_from_db()`
|
||||||
- ✅ Added database update when existing NFOs are found
|
|
||||||
- ✅ Added comprehensive unit tests for all fixes
|
|
||||||
|
|
||||||
---
|
The issue was resolved by restarting the server to allow the full initialization process to complete.
|
||||||
|
|
||||||
|
**Verified:** GET `/api/anime` now returns 192 anime series with complete metadata including:
|
||||||
|
- Unique key (primary identifier)
|
||||||
|
- Name and folder
|
||||||
|
- Missing episodes tracking
|
||||||
|
- NFO metadata status
|
||||||
|
- TMDB/TVDB IDs when available
|
||||||
|
|||||||
Reference in New Issue
Block a user