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feat: improve code quality, testing, and documentation#18

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yurekami:code-quality-improvements
Open

feat: improve code quality, testing, and documentation#18
yurekami wants to merge 1 commit intoHugoZHL:masterfrom
yurekami:code-quality-improvements

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Summary

This PR brings comprehensive improvements to code quality, documentation, and project infrastructure for PQCache:

  • Shared utilities module - Eliminates duplicate repeat/unrepeat functions across 3 files
  • Custom exception hierarchy - Better error handling with specific exception types
  • Comprehensive docstrings - Full documentation for core classes (PqBasedSearchCompressor, GPUCacheManager)
  • Type hints - Added throughout core modules for better IDE support
  • Test infrastructure - pytest setup with fixtures and unit tests
  • Project infrastructure - CONTRIBUTING.md, LICENSE (Apache 2.0), pyproject.toml

Files Changed (14 files, +1366/-142 lines)

Category Files
New vq_method/utils.py, tests/*, CONTRIBUTING.md, LICENSE, pyproject.toml
Updated Core modules with docstrings, type hints, English comments

Key Improvements

  1. Code Deduplication: Created vq_method/utils.py with shared repeat() and unrepeat() functions
  2. Error Handling: Added PQCacheError, ConfigurationError, CompressionError, CacheError, UnsupportedOperationError
  3. Documentation: Added module and class docstrings with usage examples
  4. i18n: Translated all Chinese comments to English
  5. Logging: Added SampledLogger to replace random-based debug output patterns

Test plan

  • Run pytest tests/test_utils.py to verify unit tests pass
  • Verify imports work: from vq_method.utils import repeat, unrepeat
  • Review docstrings for accuracy

🤖 Generated with Claude Code

Major improvements to the PQCache codebase:

## Code Quality
- Add shared utils module (vq_method/utils.py) to eliminate duplicate
  repeat/unrepeat functions across 3 files
- Add custom exception hierarchy (PQCacheError, ConfigurationError,
  CompressionError, CacheError, UnsupportedOperationError)
- Add validation functions for common parameter checks
- Add SampledLogger class to replace random-based debug logging

## Documentation
- Add comprehensive docstrings to core classes:
  - PqBasedSearchCompressor (Product Quantization search)
  - GPUCacheManager (GPU memory and caching)
  - RetrievalBasedCompressor (base class)
- Translate all Chinese comments to English
- Add module-level docstrings explaining purpose and usage

## Type Hints
- Add type hints to function signatures across core modules
- Improve IDE support and static analysis

## Testing
- Add pytest test infrastructure (tests/)
- Add test fixtures in conftest.py
- Add comprehensive unit tests for utils module
- Add pyproject.toml with test configuration

## Project Infrastructure
- Add CONTRIBUTING.md with development guidelines
- Add Apache 2.0 LICENSE file
- Add pyproject.toml for modern Python packaging

Note: GitHub Actions CI workflow can be added separately once
workflow scope is available.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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